Norfolk St, Sheffield City Centre, Sheffield S1 2JE, UK Job Description Posted Friday 6 March 2026 at 06:00 Senior Software Engineer Department: Engineering, Technology Location: Sheffield or Talbot Green or London Working Pattern: Hybrid, includes 3 days each week in the office Contract Type: Full time, permanent Salary: Up to £100,000 Tes is a global EdTech leader, on a mission to empower schools and educators to deliver impactful, inspiring learning experiences worldwide. We understand the unique challenges faced by schools, and our ecosystem is specifically designed to address these needs head on. Role Overview We are seeking a Senior Software Engineer to join our Technology team in either Sheffield, Talbot Green or London, reporting to the Tech Lead. As we continue to evolve our engineering practices and modernise our product ecosystem, you will play a key role in designing, building, and delivering scalable, high quality software used by educators and schools around the world. You will be working within an agile, collaborative environment that values transparency, continuous learning, and technical excellence. Our teams include Product Managers, Scrum Masters, QA Engineers, and fellow Software Engineers, all working together to build reliable, secure, and impactful solutions. Key Responsibilities Deliver high quality, scalable software using modern front end and back end frameworks Lead by example in applying engineering best practices Actively participate in agile ceremonies and contribute to continuous improvement Conduct and guide high quality code reviews, including complex changes Take ownership of deploying your code to all environments and releasing it to customers Collaborate with QA Engineers to define and guide testing strategies (unit, integration, functional) Monitor and proactively resolve system errors, improving observability and reliability Mentor engineers across the team and contribute to knowledge sharing initiatives Ensure secure coding practices and respond to security related issues Communicate effectively with both technical and non technical stakeholders What Will You Need to Succeed? Experience Proficient in Mobile Development for both iOS and Android Strong understanding of design patterns and hexagonal architecture Experience with REST APIs and API documentation tools Solid knowledge of both NoSQL and relational databases Strong communication skills with the ability to explain technical concepts clearly Demonstrated experience mentoring and guiding other engineers Experience with microservices, Docker, and Kubernetes Familiarity with CI/CD tools and modern deployment practices Exposure to feature toggling, A/B testing, and release strategies Awareness of security best practices and ability to identify vulnerabilities Experience with architectural design and system level thinking A Computing Degree or comprehensive knowledge through long term involvement in software engineering Knowledge Design patterns Commitment to continuous learning and emerging technologies What Do You Get in Return? 25 days annual leave rising to 30 Access to a range of benefits via My Benefits World Free eye care cover Life Assurance Cycle to Work Scheme Employee Assistance Programme (EAP) Monthly Tes socials Access to an extensive Learning & Development menu Who Are Tes? Tes is a global EdTech leader, empowering schools and educators to deliver impactful, inspiring learning experiences worldwide. Our intuitive technology streamlines complex tasks, enhances learning experiences, and alleviates administrative burdens that often overwhelm schools. By working closely with schools, we provide up to date resources, expert guidance, and a technology ecosystem dedicated to innovation and excellence in education. Whether simplifying administrative workflows, creating dynamic classrooms, or advancing professional development, Tes is the trusted partner for schools worldwide. Join the thousands of schools already benefiting from the Tes ecosystem. Together, we empower educators to achieve more, ensuring every student thrives in a supportive, well managed learning environment. For more information about Tes, our products, and our team, visit: Norfolk St, Sheffield City Centre, Sheffield S1 2JE, UK
Mar 14, 2026
Full time
Norfolk St, Sheffield City Centre, Sheffield S1 2JE, UK Job Description Posted Friday 6 March 2026 at 06:00 Senior Software Engineer Department: Engineering, Technology Location: Sheffield or Talbot Green or London Working Pattern: Hybrid, includes 3 days each week in the office Contract Type: Full time, permanent Salary: Up to £100,000 Tes is a global EdTech leader, on a mission to empower schools and educators to deliver impactful, inspiring learning experiences worldwide. We understand the unique challenges faced by schools, and our ecosystem is specifically designed to address these needs head on. Role Overview We are seeking a Senior Software Engineer to join our Technology team in either Sheffield, Talbot Green or London, reporting to the Tech Lead. As we continue to evolve our engineering practices and modernise our product ecosystem, you will play a key role in designing, building, and delivering scalable, high quality software used by educators and schools around the world. You will be working within an agile, collaborative environment that values transparency, continuous learning, and technical excellence. Our teams include Product Managers, Scrum Masters, QA Engineers, and fellow Software Engineers, all working together to build reliable, secure, and impactful solutions. Key Responsibilities Deliver high quality, scalable software using modern front end and back end frameworks Lead by example in applying engineering best practices Actively participate in agile ceremonies and contribute to continuous improvement Conduct and guide high quality code reviews, including complex changes Take ownership of deploying your code to all environments and releasing it to customers Collaborate with QA Engineers to define and guide testing strategies (unit, integration, functional) Monitor and proactively resolve system errors, improving observability and reliability Mentor engineers across the team and contribute to knowledge sharing initiatives Ensure secure coding practices and respond to security related issues Communicate effectively with both technical and non technical stakeholders What Will You Need to Succeed? Experience Proficient in Mobile Development for both iOS and Android Strong understanding of design patterns and hexagonal architecture Experience with REST APIs and API documentation tools Solid knowledge of both NoSQL and relational databases Strong communication skills with the ability to explain technical concepts clearly Demonstrated experience mentoring and guiding other engineers Experience with microservices, Docker, and Kubernetes Familiarity with CI/CD tools and modern deployment practices Exposure to feature toggling, A/B testing, and release strategies Awareness of security best practices and ability to identify vulnerabilities Experience with architectural design and system level thinking A Computing Degree or comprehensive knowledge through long term involvement in software engineering Knowledge Design patterns Commitment to continuous learning and emerging technologies What Do You Get in Return? 25 days annual leave rising to 30 Access to a range of benefits via My Benefits World Free eye care cover Life Assurance Cycle to Work Scheme Employee Assistance Programme (EAP) Monthly Tes socials Access to an extensive Learning & Development menu Who Are Tes? Tes is a global EdTech leader, empowering schools and educators to deliver impactful, inspiring learning experiences worldwide. Our intuitive technology streamlines complex tasks, enhances learning experiences, and alleviates administrative burdens that often overwhelm schools. By working closely with schools, we provide up to date resources, expert guidance, and a technology ecosystem dedicated to innovation and excellence in education. Whether simplifying administrative workflows, creating dynamic classrooms, or advancing professional development, Tes is the trusted partner for schools worldwide. Join the thousands of schools already benefiting from the Tes ecosystem. Together, we empower educators to achieve more, ensuring every student thrives in a supportive, well managed learning environment. For more information about Tes, our products, and our team, visit: Norfolk St, Sheffield City Centre, Sheffield S1 2JE, UK
Principal Engineer Company Description: VC-backed deep-tech cryptography startup Job Description: You will lead the architectural design of a high-integrity, low-latency mobile SDK and proof pipeline at the intersection of sensor fusion, on-device machine learning, and programmable cryptography. As a founding technical leader, you will translate strategic vision into global infrastructure that verifies physical presence, ensuring privacy-by-design while building unbreakable systems for commercial deployment. Location: London, UK Why this role is remarkable Work on a foundational mission to make physical presence cryptographically verifiable, creating a new primitive for digital security Collaborate directly with founders including top-tier academic experts and repeat entrepreneurs backed by world-class venture capital firms Drive high-impact 0 1 engineering in a high-agency environment, moving research breakthroughs from paper to production-ready global systems What you will do Architect and build the high-integrity SDK and proof pipeline focusing on Android systems and low-level optimization Implement on-device ML models that convert multimodal sensor data into real-time, verified location proofs Lead the integration of zero-knowledge proofs (ZKPs) to achieve privacy-preserving verification without compromising performance The ideal candidate 5+ years of experience in spatio-temporal systems, inertial sensors, or high-performance on-device ML for mobile environments Proven track record of shipping high-reliability, low-latency mobile SDKs and mastery of Android systems programming Strong background in signal processing or cryptography, with the ability to harden cutting-edge research into resilient software
Mar 14, 2026
Full time
Principal Engineer Company Description: VC-backed deep-tech cryptography startup Job Description: You will lead the architectural design of a high-integrity, low-latency mobile SDK and proof pipeline at the intersection of sensor fusion, on-device machine learning, and programmable cryptography. As a founding technical leader, you will translate strategic vision into global infrastructure that verifies physical presence, ensuring privacy-by-design while building unbreakable systems for commercial deployment. Location: London, UK Why this role is remarkable Work on a foundational mission to make physical presence cryptographically verifiable, creating a new primitive for digital security Collaborate directly with founders including top-tier academic experts and repeat entrepreneurs backed by world-class venture capital firms Drive high-impact 0 1 engineering in a high-agency environment, moving research breakthroughs from paper to production-ready global systems What you will do Architect and build the high-integrity SDK and proof pipeline focusing on Android systems and low-level optimization Implement on-device ML models that convert multimodal sensor data into real-time, verified location proofs Lead the integration of zero-knowledge proofs (ZKPs) to achieve privacy-preserving verification without compromising performance The ideal candidate 5+ years of experience in spatio-temporal systems, inertial sensors, or high-performance on-device ML for mobile environments Proven track record of shipping high-reliability, low-latency mobile SDKs and mastery of Android systems programming Strong background in signal processing or cryptography, with the ability to harden cutting-edge research into resilient software
We think this is a rare opportunity to be part of Spotify's groundbreaking journey as we evolve from an audio-first platform to also become a world-class video service. From offline playback to adaptive streaming with optimized video quality, you will be part of a team that defines how video will be consumed by hundreds of millions Spotify users. Our next challenge is to move more of our pre-render video pipeline, things like decoding, timing, synchronization and adaptive streaming from higher-level native integrations down into a performant, portable C++ stack. By driving this space alongside our existing players, you will shape the APIs, abstractions, and optimizations that make video on Spotify seamless everywhere: across iOS, Android, desktop, and beyond. We think you have many years of solid hands-on experience with video in code, from transcoding, streaming, demuxing, to adaptive bitrate selection and presentation of frames and audio samples. With that type of background this is a very good opportunity to expand your impact to help us at Spotify drive innovation in a space that's becoming increasingly vital to our growth. Joining us now will enable you to greatly influence our journey and make a lasting impact for the years to come. You will be joining an environment with a lot of collaboration, innovation and cross-functional teams that deliver seamless, high-quality video experiences. Your role is to provide the right APIs and implementations to allow all of those teams to serve a first class video experience every time. If you are ready to make an impact and push the boundaries of video technology, we would like to get in touch! What You'll Do Be part of a dynamic team focusing on creating a world-class mobile video experience, optimized for low-bandwidth environments and seamless on-the-go usage. At Spotify, we champion the perfect blend of strategy, creativity, and hands-on coding to drive innovation and deliver exceptional user experiences. Being a technical leader means that you are actively coding (in C++ with Swift and/or Kotlin), writing easy to understand documents and presenting for larger groups and key leaders. Debug complex performance issues across operating systems, device types, and networks. Optimise Spotify's AV stack by driving pre-render logic from platform-specific frameworks like AVFoundation into a cross-platform core to reduce duplication and increase consistency and device reach. Design and implement low-level C++ video components that handle decoding, synchronization, and adaptive playback with minimal overhead. Share expertise in low-level video systems, raising the bar across Spotify engineering. Who You Are A seasoned professional with a proven track record in senior roles, bringing a wealth of expertise and leadership to the table. Passionate about coding and hands-on problem-solving, while actively shaping and driving key strategic decisions. Strong understanding of decoding, synchronization, adaptive bitrate streaming, and frame-level control. Over 8 years of deep, hands-on experience in the video playback domain. Experience with platform-level frameworks like VideoToolbox, MediaCodec, or AVFoundation internals and motivated to generalize that work into reusable C++ systems. A deep understanding of video streaming technologies, with expertise in delivery protocols and the nuances of modern streaming ecosystems. Passionate about building foundations that empower Spotify teams to scale video to hundreds of millions of users. Where You'll Be We are a distributed workforce enabling our band members to find a work mode that is best for them! Where in the world? For this role, it can be within the EMEA region in which we have a work location and is within working hours. Working hours? We operate within the Central European and GMT time zones for collaboration and ask that all be located in that time zone. Prefer an office to work from home instead? Not a problem! We have plenty of options for your working preferences. Find more information about our Work From Anywhere options here. Spotify is an equal opportunity employer. You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what's playing in your headphones. Our platform is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking! So bring us your personal experience, your perspectives, and your background. It's in our differences that we will find the power to keep revolutionizing the way the world listens. At Spotify, we are passionate about inclusivity and making sure our entire recruitment process is accessible to everyone. We have ways to request reasonable accommodations during the interview process and help assist in what you need. If you need accommodations at any stage of the application or interview process, please let us know - we're here to support you in any way we can. Spotify transformed music listening forever when we launched in 2008. Our mission is to unlock the potential of human creativity by giving a million creative artists the opportunity to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world's most popular audio streaming subscription service.
Mar 10, 2026
Full time
We think this is a rare opportunity to be part of Spotify's groundbreaking journey as we evolve from an audio-first platform to also become a world-class video service. From offline playback to adaptive streaming with optimized video quality, you will be part of a team that defines how video will be consumed by hundreds of millions Spotify users. Our next challenge is to move more of our pre-render video pipeline, things like decoding, timing, synchronization and adaptive streaming from higher-level native integrations down into a performant, portable C++ stack. By driving this space alongside our existing players, you will shape the APIs, abstractions, and optimizations that make video on Spotify seamless everywhere: across iOS, Android, desktop, and beyond. We think you have many years of solid hands-on experience with video in code, from transcoding, streaming, demuxing, to adaptive bitrate selection and presentation of frames and audio samples. With that type of background this is a very good opportunity to expand your impact to help us at Spotify drive innovation in a space that's becoming increasingly vital to our growth. Joining us now will enable you to greatly influence our journey and make a lasting impact for the years to come. You will be joining an environment with a lot of collaboration, innovation and cross-functional teams that deliver seamless, high-quality video experiences. Your role is to provide the right APIs and implementations to allow all of those teams to serve a first class video experience every time. If you are ready to make an impact and push the boundaries of video technology, we would like to get in touch! What You'll Do Be part of a dynamic team focusing on creating a world-class mobile video experience, optimized for low-bandwidth environments and seamless on-the-go usage. At Spotify, we champion the perfect blend of strategy, creativity, and hands-on coding to drive innovation and deliver exceptional user experiences. Being a technical leader means that you are actively coding (in C++ with Swift and/or Kotlin), writing easy to understand documents and presenting for larger groups and key leaders. Debug complex performance issues across operating systems, device types, and networks. Optimise Spotify's AV stack by driving pre-render logic from platform-specific frameworks like AVFoundation into a cross-platform core to reduce duplication and increase consistency and device reach. Design and implement low-level C++ video components that handle decoding, synchronization, and adaptive playback with minimal overhead. Share expertise in low-level video systems, raising the bar across Spotify engineering. Who You Are A seasoned professional with a proven track record in senior roles, bringing a wealth of expertise and leadership to the table. Passionate about coding and hands-on problem-solving, while actively shaping and driving key strategic decisions. Strong understanding of decoding, synchronization, adaptive bitrate streaming, and frame-level control. Over 8 years of deep, hands-on experience in the video playback domain. Experience with platform-level frameworks like VideoToolbox, MediaCodec, or AVFoundation internals and motivated to generalize that work into reusable C++ systems. A deep understanding of video streaming technologies, with expertise in delivery protocols and the nuances of modern streaming ecosystems. Passionate about building foundations that empower Spotify teams to scale video to hundreds of millions of users. Where You'll Be We are a distributed workforce enabling our band members to find a work mode that is best for them! Where in the world? For this role, it can be within the EMEA region in which we have a work location and is within working hours. Working hours? We operate within the Central European and GMT time zones for collaboration and ask that all be located in that time zone. Prefer an office to work from home instead? Not a problem! We have plenty of options for your working preferences. Find more information about our Work From Anywhere options here. Spotify is an equal opportunity employer. You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what's playing in your headphones. Our platform is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking! So bring us your personal experience, your perspectives, and your background. It's in our differences that we will find the power to keep revolutionizing the way the world listens. At Spotify, we are passionate about inclusivity and making sure our entire recruitment process is accessible to everyone. We have ways to request reasonable accommodations during the interview process and help assist in what you need. If you need accommodations at any stage of the application or interview process, please let us know - we're here to support you in any way we can. Spotify transformed music listening forever when we launched in 2008. Our mission is to unlock the potential of human creativity by giving a million creative artists the opportunity to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world's most popular audio streaming subscription service.
Job Title: Test Engineer (SC Cleared) Location: Hybrid/Malvern Duration: 6 months with possible extension Rate: Up to 660 per day via an approved umbrella company Must be willing and eligible to go through the SC Clearance process Our client, a leading organisation supporting the Emergency Services Mobile Communication Programme (ESMCP), is hiring for a Test Engineer to join their team. This is an exciting opportunity to contribute to a vital project upgrading UK emergency communications to 4G/5G-based Push-To-Talk (PTT) Mission Critical Communications (MCX). What you'll be doing: Develop and produce Test Specification, Test Procedure, and Test Report documents for mobile devices, applications, and accessories. Specify, write, and execute tests, focusing on certifying that new devices and applications do not impair MCX capability. Automate testing processes using tools like National Instruments Test Stand. Collaborate with internal teams and external partners, including prime contractors and subcontractors. Support testing at QinetiQ's Malvern facility and remotely, with occasional site visits to Malvern. What you'll bring: Proven experience in testing and acceptance of software and systems. Strong understanding of mobile device OS testing, particularly Android, and mobile applications. Hands-on experience with automation tools such as National Instruments Test Stand. Excellent communication skills for engaging with diverse teams. Knowledge of security best practices related to mobile and software testing. Ability to produce clear, concise technical documentation. Join a dynamic team working on a high-profile project that enhances emergency response capabilities across the UK. If you're passionate about testing, automation, and making a real difference, we want to hear from you!
Mar 02, 2026
Contractor
Job Title: Test Engineer (SC Cleared) Location: Hybrid/Malvern Duration: 6 months with possible extension Rate: Up to 660 per day via an approved umbrella company Must be willing and eligible to go through the SC Clearance process Our client, a leading organisation supporting the Emergency Services Mobile Communication Programme (ESMCP), is hiring for a Test Engineer to join their team. This is an exciting opportunity to contribute to a vital project upgrading UK emergency communications to 4G/5G-based Push-To-Talk (PTT) Mission Critical Communications (MCX). What you'll be doing: Develop and produce Test Specification, Test Procedure, and Test Report documents for mobile devices, applications, and accessories. Specify, write, and execute tests, focusing on certifying that new devices and applications do not impair MCX capability. Automate testing processes using tools like National Instruments Test Stand. Collaborate with internal teams and external partners, including prime contractors and subcontractors. Support testing at QinetiQ's Malvern facility and remotely, with occasional site visits to Malvern. What you'll bring: Proven experience in testing and acceptance of software and systems. Strong understanding of mobile device OS testing, particularly Android, and mobile applications. Hands-on experience with automation tools such as National Instruments Test Stand. Excellent communication skills for engaging with diverse teams. Knowledge of security best practices related to mobile and software testing. Ability to produce clear, concise technical documentation. Join a dynamic team working on a high-profile project that enhances emergency response capabilities across the UK. If you're passionate about testing, automation, and making a real difference, we want to hear from you!
Service Desk Engineer - Crewe 40,000 PA IT department within a leading construction engineering business is seeking a highly proactive and analytical Service Desk Engineer (2nd Line) to join them on a permanent basis. This is a stand-alone on-site IT role, working autonomously day-to-day, while being fully supported by a centralised main IT department. You will be responsible for logging, diagnosing, and resolving issues across a range of hardware and software systems. The role involves providing escalation support to 1st line IT technicians, liaising with other internal IT functions and external vendors and ensuring the delivery of a consistently high level of IT support across the business. This position is also client-facing, requiring regular interaction with internal stakeholders and users. As such, excellent communication skills, a professional approach and the ability to explain technical issues clearly to non-technical users are essential. Key Responsibilities: Provide end-user support to VIPs and users via telephone, remote support, email, and face-to-face Prioritise and manage workflow through the ITSM system (ServiceNow) Conduct on-site technical investigations and escalate issues to ensure timely resolution Collaborate with IT team members and support 1st and 2nd line IT teams Install, update, maintain, and support various software packages and hardware Perform Active Directory administration and deploy software via Endpoint Manager Support SIP/VOIP telephony and video conference systems Configure and support iOS/Android mobile devices and 4G/5G dongles Assist with IT projects and maintain technical documentation Qualifications and Skills: Microsoft certifications (desired) Experience with ITSM systems Proficiency in Windows Operating Systems, Active Directory, Office 365, and Microsoft Teams Understanding of anti-virus products, web gateway filtering, and networking concepts Strong communication, problem-solving, and customer service skills Ability to work under pressure and prioritize tasks effectively
Feb 27, 2026
Full time
Service Desk Engineer - Crewe 40,000 PA IT department within a leading construction engineering business is seeking a highly proactive and analytical Service Desk Engineer (2nd Line) to join them on a permanent basis. This is a stand-alone on-site IT role, working autonomously day-to-day, while being fully supported by a centralised main IT department. You will be responsible for logging, diagnosing, and resolving issues across a range of hardware and software systems. The role involves providing escalation support to 1st line IT technicians, liaising with other internal IT functions and external vendors and ensuring the delivery of a consistently high level of IT support across the business. This position is also client-facing, requiring regular interaction with internal stakeholders and users. As such, excellent communication skills, a professional approach and the ability to explain technical issues clearly to non-technical users are essential. Key Responsibilities: Provide end-user support to VIPs and users via telephone, remote support, email, and face-to-face Prioritise and manage workflow through the ITSM system (ServiceNow) Conduct on-site technical investigations and escalate issues to ensure timely resolution Collaborate with IT team members and support 1st and 2nd line IT teams Install, update, maintain, and support various software packages and hardware Perform Active Directory administration and deploy software via Endpoint Manager Support SIP/VOIP telephony and video conference systems Configure and support iOS/Android mobile devices and 4G/5G dongles Assist with IT projects and maintain technical documentation Qualifications and Skills: Microsoft certifications (desired) Experience with ITSM systems Proficiency in Windows Operating Systems, Active Directory, Office 365, and Microsoft Teams Understanding of anti-virus products, web gateway filtering, and networking concepts Strong communication, problem-solving, and customer service skills Ability to work under pressure and prioritize tasks effectively
As a Senior Software Engineer, you will lead the development of our mobile applications, ensuring they are reliable, secure, scalable, and delightful to use. You'll collaborate with product managers, designers, backend engineers, QA automation engineers to support a part of the HL platform.You'll have the opportunity to influence architectural decisions, mentor other Engineers, and drive best practices across our mobile engineering discipline. What You'll Do Build and maintain a high-quality React Native application. Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability). Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams. Optimize app performance, including memory usage, load times, and smooth UI interactions. Implement high-security standards such as encryption, biometrics, and secure data storage. Lead code reviews, share best practices, and mentor junior developers. Work cross-functionally with designers, PMs, and QA to deliver features end-to-end. Stay up to date with the latest in React Native and mobile technologies. What We're Looking For 8+ years of professional mobile development experience, with 5+ years using React Native. Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns. Experience integrating third-party libraries, analytics tools, and mobile SDKs. Strong understanding of secure mobile development, especially within financial or regulated environments. Familiarity with state management. Experience with CI/CD pipelines for mobile apps. Strong debugging skills, including performance profiling and memory optimization. Excellent communication skills and experience working in agile environments. Nice to Have Experience with native iOS (Swift) or Android (Kotlin/Java). Experience in fintech or banking applications. Familiarity with feature driven modular architecture. Experience working with feature flags. UI automation testing experience. Interview Process Stage 1 - Discussion with our Hiring Manager (30 mins)A brief conversation to explore your background, motivations, and fit for the team and role.Stage 2 - Technical Interview (60-90 mins)A hands-on deep dive into your React Native expertise, covering coding, architecture, and problem-solving.Stage 3 - System Design (60-90 mins)A high-level design discussion where you outline how you'd architect and scale a complex mobile feature or system. Package We offer a competitive salary , depending on experience, alongside a generous performance-based bonus scheme .Your total reward package includes: Up to 19% pension contribution - helping you plan confidently for the future Private medical insurance - giving you peace of mind and access to top-tier healthcare A wide range of excellent benefits , from lifestyle perks to wellbeing support, designed to help you thrive both in and out of workWe believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way. Working Schedule We're based in the stunning Paddington Central offices at 4 Kingdom Street , a modern workspace designed to energise your day and elevate collaboration. Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups. London's highest rooftop basketball court - yes, really! Wellness amenities including showers, lockers, hairdryers, and fresh towels. Cyclist-friendly with secure bike storage and drying rooms. Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats. Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar. Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.We embrace a hybrid working model that gives you the best of both worlds: 2-3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer. Remote flexibility for deep focus, work-life balance, and personal productivity.This is a full-time role , working 37.5 hours per week , Monday to Friday. Please note, we are unable to offer sponsorship opportunities for this position. dependant on role level only available to select during our annual benefits window, in November each yearHargreaves Lansdown is the UK's number one platform for private investors. Our purpose is to empower people to save and invest with confidence, and today, we are trusted with more than £120 billion by over 1.7 million clients.We are based in the heart of Bristol now with over 2,000 colleagues. We believe we have a workplace like no other, with constant learning, dynamic teams and a great ethos. We're steered by our core values that promote service, quality, innovation, and opportunity in everything we do.For more information about careers at HL and to see all our vacancies, please visit our .
Feb 20, 2026
Full time
As a Senior Software Engineer, you will lead the development of our mobile applications, ensuring they are reliable, secure, scalable, and delightful to use. You'll collaborate with product managers, designers, backend engineers, QA automation engineers to support a part of the HL platform.You'll have the opportunity to influence architectural decisions, mentor other Engineers, and drive best practices across our mobile engineering discipline. What You'll Do Build and maintain a high-quality React Native application. Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability). Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams. Optimize app performance, including memory usage, load times, and smooth UI interactions. Implement high-security standards such as encryption, biometrics, and secure data storage. Lead code reviews, share best practices, and mentor junior developers. Work cross-functionally with designers, PMs, and QA to deliver features end-to-end. Stay up to date with the latest in React Native and mobile technologies. What We're Looking For 8+ years of professional mobile development experience, with 5+ years using React Native. Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns. Experience integrating third-party libraries, analytics tools, and mobile SDKs. Strong understanding of secure mobile development, especially within financial or regulated environments. Familiarity with state management. Experience with CI/CD pipelines for mobile apps. Strong debugging skills, including performance profiling and memory optimization. Excellent communication skills and experience working in agile environments. Nice to Have Experience with native iOS (Swift) or Android (Kotlin/Java). Experience in fintech or banking applications. Familiarity with feature driven modular architecture. Experience working with feature flags. UI automation testing experience. Interview Process Stage 1 - Discussion with our Hiring Manager (30 mins)A brief conversation to explore your background, motivations, and fit for the team and role.Stage 2 - Technical Interview (60-90 mins)A hands-on deep dive into your React Native expertise, covering coding, architecture, and problem-solving.Stage 3 - System Design (60-90 mins)A high-level design discussion where you outline how you'd architect and scale a complex mobile feature or system. Package We offer a competitive salary , depending on experience, alongside a generous performance-based bonus scheme .Your total reward package includes: Up to 19% pension contribution - helping you plan confidently for the future Private medical insurance - giving you peace of mind and access to top-tier healthcare A wide range of excellent benefits , from lifestyle perks to wellbeing support, designed to help you thrive both in and out of workWe believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way. Working Schedule We're based in the stunning Paddington Central offices at 4 Kingdom Street , a modern workspace designed to energise your day and elevate collaboration. Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups. London's highest rooftop basketball court - yes, really! Wellness amenities including showers, lockers, hairdryers, and fresh towels. Cyclist-friendly with secure bike storage and drying rooms. Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats. Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar. Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.We embrace a hybrid working model that gives you the best of both worlds: 2-3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer. Remote flexibility for deep focus, work-life balance, and personal productivity.This is a full-time role , working 37.5 hours per week , Monday to Friday. Please note, we are unable to offer sponsorship opportunities for this position. dependant on role level only available to select during our annual benefits window, in November each yearHargreaves Lansdown is the UK's number one platform for private investors. Our purpose is to empower people to save and invest with confidence, and today, we are trusted with more than £120 billion by over 1.7 million clients.We are based in the heart of Bristol now with over 2,000 colleagues. We believe we have a workplace like no other, with constant learning, dynamic teams and a great ethos. We're steered by our core values that promote service, quality, innovation, and opportunity in everything we do.For more information about careers at HL and to see all our vacancies, please visit our .
