30 jobs found

It's common for scammers to create positions that look legitimate on other sites. To ensure your submission is considered, only apply for positions at Sensor Tower through our company website or through posts directly associated with Sensor Tower company profiles on sites such as LinkedIn, Indeed, BuiltIn or Hackajob.At no point will Sensor Tower ever ask for money, credit card, or bank account information to complete a job application. Communications received from Sensor Tower are only sent by e-mail addresses ending in . All Sensor Tower interviews will be conducted via phone or Zoom. At no time will a conversation be moved to an alternative email outside of or text.Should an issue arise that you feel we should be aware of, please contact us. Please provide your resume when applying. To all recruitment agencies: Sensor Tower does not accept third party resumes. Please do not send resumes to our jobs alias, Sensor Tower employees or any other organization location. Sensor Tower is not responsible for any fees related to unsolicited resumes. Sensor Tower will not pay any third-party agency or company that does not have a signed agreement with Sensor Tower. About this role: Sensor Tower is the leading provider of market intelligence and insights for the mobile app ecosystem. Our data-driven solutions empower businesses, developers, and marketers to make informed decisions and stay ahead in the competitive mobile landscape. We are looking for a skilled Front-end Developer to join our team and enhance our web presence, optimize user experience, and support our marketing and product initiatives. This role will involve building and maintaining high-performance, visually engaging, and user-friendly websites that drive engagement and business growth. Web Developer Location London Salary 50000 - 100000 a year (s) Description Fraud warning: It's common for scammers to create positions that look legitimate on other sites. To ensure your submission is considered, only apply for positions at Sensor Tower through our company website or through posts directly associated with Sensor Tower company profiles on sites such as LinkedIn, Indeed, BuiltIn or Hackajob.At no point will Sensor Tower ever ask for money, credit card, or bank account information to complete a job application. Communications received from Sensor Tower are only sent by e-mail addresses ending in . All Sensor Tower interviews will be conducted via phone or Zoom. At no time will a conversation be moved to an alternative email outside of or text.Should an issue arise that you feel we should be aware of, please contact us. Please provide your resume when applying. To all recruitment agencies: Sensor Tower does not accept third party resumes. Please do not send resumes to our jobs alias, Sensor Tower employees or any other organization location. Sensor Tower is not responsible for any fees related to unsolicited resumes. Sensor Tower will not pay any third-party agency or company that does not have a signed agreement with Sensor Tower. About this role: Sensor Tower is the leading provider of market intelligence and insights for the mobile app ecosystem. Our data-driven solutions empower businesses, developers, and marketers to make informed decisions and stay ahead in the competitive mobile landscape. We are looking for a skilled Front-end Developer to join our team and enhance our web presence, optimize user experience, and support our marketing and product initiatives. This role will involve building and maintaining high-performance, visually engaging, and user-friendly websites that drive engagement and business growth. What You Will Focus On: Lead the development of our Sensor Tower's marketing website, taking ownership of the project's direction, and quality. Continuously improve the marketing website's architecture, ensuring scalability, maintainability, and performance. Implement new features, landing pages, and updates to improve user experience and support business goals. Optimize website performance, SEO, and conversion rates using best practices. Ensure website security, accessibility, and compliance with industry standards. Integrate third-party tools, APIs, and analytics for enhanced functionality. Work on front-end initiatives for Sensor Tower's product. Conduct testing and debugging to identify and resolve technical issues. Collaborate with marketing, design, and engineering teams to define priorities, gather requirements, and ensure seamless integration of UI/UX elements. Stay up to date with the latest web development trends and technologies to continuously improve the website. Skills We Are Interested In: Proficiency in HTML, CSS, JavaScript, TypeScript and modern front-end frameworks (React, etc). Nice to have: Experience with technologies such as MUI, Next.js , GraphQL, Highcharts, and Marketo. While not required, familiarity with any of these will be an advantage. Experience with headless CMS platforms (Contentful, Strapi, Webflow, or custom-built CMS). Strong knowledge of SEO best practices, web analytics, and performance optimization. Understanding of web security principles and best practices. Strong problem-solving skills, attention to detail, and ability to work independently. Excellent communication and collaboration skills. If you're passionate about front-end development and want to make an impact at a fast-growing technology company, we'd love to hear from you! About Sensor Tower Sensor Tower cultivates responsibly sourced market intelligence that provides visibility into the trends shaping the global digital economy. Our customers use these insights to help them make better business decisions. Why Sensor Tower? Our flexible work environment allows employees to live in greater connection with the people, places, and activities they love! Our benefits for full-time positions include: - Flexible time off so employees can shape their time away from work. - Health and wellness stipend to achieve and maintain a healthy lifestyle through physical and mental fitness. - Monthly internet stipend and a one-time $500 home office stipend. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, and veteran status. We will consider qualified applicants with arrest and conviction records. If you have a disability or special need, please do not hesitate to let us know and we'll do our best to accommodate. Please mention the word LEVERAGE and tag RMjYwNzpmYjkwOjllNDk6YzFiMzo3ZDA2OjgxM2I6ZjNlNzo0YTlk when applying to show you read the job post completely (). This is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human. Job type: Remote job Tags developer web front-end security technical support testing bank typescript seo mobile marketing analytics health engineering recruitment full-time digital nomad Sent 3 days ago Apply on external site Share on Facebook Share on Twitter Share on LinkedIn Share via Email Back to index

Overview Lavanda is a B2B software company. We've developed an award-winning, best-in-class SaaS platform that enables Multifamily and Student accommodation operators to optimise their portfolios with a comprehensive short and medium-term rental solution. Our software toolkit enables partners to tap into the full spectrum of rental demand across their portfolios, whilst powering a range of management solutions to suit their evolving needs: fully-outsourced operations or in-house management. Having raised a total of £15m+ to date, we're backed by leading VC investors and are now scaling the business globally. The Opportunity We are looking for a seasoned Senior Fullstack Engineer to join our engineering team. This role requires a deep understanding of both front-end and back-end development, with a strong focus on Ruby and Node.js technologies. This role is quite unique in that you would be working as a part of our Acceleration team that is about empowering the product teams by building out libraries, setting up systems, and creating frameworks. In this role, you would be working alongside a Backend Engineer, and a DevOps. Responsibilities Design and develop scalable, robust, and high-performance web applications using Ruby, Node.js, and other relevant technologies. Work on both server-side and client-side code, delivering end-to-end functionality. Collaborate with UI/UX designers to implement and refine dynamic user experiences. Integrate data from various back-end services and databases. Create and maintain software documentation. Lead code reviews, mentor junior developers, and ensure software quality and best practices. Participate in all phases of the agile development cycle, from concept development to deployment and maintenance. Troubleshoot, debug, and upgrade existing systems. Engage with stakeholders to gather requirements and deliver innovative solutions. Required Skills & Qualifications Bachelor's degree in Computer Science, Software Engineering, or a related field. Minimum of 5 years of experience as a fullstack developer with significant experience in Ruby and Node.js. Proficient understanding of client-side scripting and JavaScript frameworks. Expertise in developing RESTful APIs. Experience with relational databases such as PostgreSQL, MySQL, and non-relational databases like MongoDB. Familiarity with front-end technologies (HTML5, CSS3, JavaScript, and frameworks such as React or AngularJS). Strong understanding of code versioning tools, such as Git. Excellent problem-solving abilities and ability to perform in a team environment. Strong communication skills and proficiency in English. Preferred Skills Experience with cloud platforms such as AWS, Azure, or Google Cloud. Familiarity with container technology such as Docker and Kubernetes. Experience with continuous integration and deployment (CI/CD) pipelines. Knowledge of additional programming languages such as Python or PHP. Benefits Competitive salary + potential for equity. Flexible working is actively embraced + remote first Choose your own tech - get the equipment you love using at work. Personal Development budget, courses and plans tailored to you and your role Generous holiday allowance, including the full Christmas to New Year as a break on us. Join a highly motivated, engaged team of extremely smart, creative and talented people.

At Prisma, we are building the data layer for modern applications. If you are fascinated by the leading-edge architecture and technology used in today's data-intensive, highly scalable software systems, with distributed graph data on a massive scale, but you want the energy, challenges, and freedom that come with working in a small startup, then a job at Prisma might be for you. With funding from top-tier investors Amplify Partners and Kleiner Perkins, we are a small distributed team working on making the advanced data infrastructure developed at large tech companies accessible to all application developers around the world. Our hard work is paying off, with adoption and implementation of Prisma by some of the most successful and interesting companies out there today, and the fun is just beginning! At Prisma, we're redefining how developers work with databases. If you're fascinated by the cutting edge data infrastructure powering companies like Twitter, Airbnb, and Facebook, but want the agility, ownership, and impact of a fast moving startup, then Prisma is the place for you. Backed by top tier Silicon Valley investors like Amplify Partners, Kleiner Perkins, and IVP, our small, distributed team is making advanced database technology accessible to developers everywhere. Our open source tools are trusted by over 400,000 developers each month, with a thriving community on Discord and GitHub, where we've earned 43,000+ GitHub Stars . At the heart of our commercial offerings is Prisma Postgres , our flagship product designed to supercharge PostgreSQL with modern developer workflows, performance optimizations, and seamless scaling. Alongside it, Prisma Accelerate, and Studio, provide a world class toolkit for building with data. By combining the power of open source with cutting edge commercial solutions, we're shaping the future of databases, one developer at a time. What would a Senior TypeScript Engineer at Prisma do? You will join a team of skilled TypeScript engineers tackling challenges across the stack to deliver a market leading ORM. A typical day at Prisma might include: Expanding the Prisma Client to support advanced database capabilities. Drive the process from technical design through implementation. Continuously refine and harden the codebase to ensure stability, maintainability, and ease of contribution. Building new libraries and tools that serve as foundational components, both for our internal teams and for the developer community. Elevating the developer experience (DX) by shaping intuitive, high quality tools that make database access a delight. Advancing TypeScript adoption by exploring and applying the latest language features, ensuring Prisma stays at the forefront of modern development. What does the candidate profile look like? We believe that the right person will meet quite a few of the criteria below. If you don't fit the description perfectly, we'd still love to hear from you. Many of these can be learnt on the job: 5+ years of professional experience as a Senior Software Engineer (or equivalent senior level role) with a proven track record of delivering production grade systems. Strong database proficiency : Hands on experience with high scale, data intensive systems. Skilled at query optimization, diagnosing performance bottlenecks, and managing indexes. Direct experience tuning databases for reliability and speed in demanding environments. Excellent English communication skills , both written and verbal; able to express complex technical concepts with clarity. A mindset of continuous learning and feedback : proactively seek input, adapt quickly, and embrace collaboration. Team oriented approach : value pairing, mentoring, and proactively supporting peers. Passion for building outstanding developer experience through sustainable, well tested tools and infrastructure that empower developers and improve workflows. Nice to Have Skills Contributions to open source projects (as maintainer or active contributor). Experience with systems level programming languages (e.g., C, C++, Go, Zig, or others) and an interest in low level performance optimization. Experience with edge computing platforms (e.g., Vercel Edge, Cloudflare Workers). Exposure to or curiosity about WebAssembly (WASM) and its applications in backend systems. What's it like to work at Prisma? You are likely to be a great fit for the team if you: have an ownership mindset. As part of a small team, you'll have an outsize impact on decisions and the way things are executed. stay nimble. As a growing startup, the team and strategy evolves quickly. Be ready to re calibrate often and stay flexible. be kind and collaborative. Come in ready to share your ideas and listen to feedback. What's in it for you The opportunity to push the boundaries of DX and TypeScript within a fast growing, early stage startup with roots in Silicon Valley and Berlin. We provide a competitive base salary in line with industry standards for similar positions. As an early stage startup we also provide competitive stock option grants with a exercise window of up to 10 years. 24 days paid vacation per year. 4 mental health days per year. Fully paid parental leave up to 20 weeks. Generous tech budget to make sure you have all the hardware that you need. Ergonomic chair subsidy. Access to your local co working space if you prefer to work from an external location to your home. US Health, Dental, Vision + 401k Matching. Remote Work We are a remote first organisation with an office based in Berlin, Germany. Whether you would like to work remotely, or from the office in Berlin is up to you! We are open to discussing relocation assistance if you would like to join us in Berlin. To ensure effective collaboration we can currently only accept candidates within the timezone GMT -5 to GMT +3. What is the process like? Our recruitment process roughly follows the structure below: Introductory Call with your future manager. Take Home Assignment followed by a Technical Interview based on the solution you submitted. System Design Interview with a senior member of our engineering team. Interview with our Head of Engineering. Final Interview with our CEO. Offer What do I do now? If this sounds like an interesting opportunity, please apply via our website, and include your LinkedIn profile (or Resume), Github repos, or anything else that you think might give us a good sense of who you are. We will generally be in touch within 7 business days to let you know the outcome Prisma is an equal opportunity employer. We value and celebrate diversity and do not discriminate against any applicant on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable law. We are committed to creating a fair and inclusive workplace where all individuals have the opportunity to contribute their skills and talents. Applicants from all backgrounds are encouraged to apply. Product Development Remote (Berlin, Berlin, DE) Remote (London, England, GB) Remote (Dublin, County Dublin, IE) Remote (Amsterdam, North Holland, NL) Remote (Brussels, Brussels, BE) Remote (Oslo, Oslo, NO) Remote (Budapest, HU) Remote (Lisbon, Lisbon, PT) Remote (Madrid, Community of Madrid, ES) Remote (Prague, Prague, CZ)

PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries. By enabling high-fidelity, multi-physics simulation through AI inference across the entire engineering lifecycle, PhysicsX unlocks new levels of optimization and automation in design, manufacturing, and operations - empowering engineers to push the boundaries of possibility. Our customers include leading innovators in Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive. The Role Join our dynamic product team in our fast growing startup, building a platform for Data Scientists and Simulation Engineers to deploy Deep Physics Models. You will be one of a small team of Front-end Engineers, collaborating in a cross-functional team with autonomy to drive implementation decisions. Bring your expertise in building front-end systems, plus familiarity with micro-frontend architectures and Kubernetes. A passion for software engineering, collaboration, and end-to-end ownership is key. What you will do Build & Evolve the Platform: Develop and maintain a frontend that supports complex ML workflows-from 3D visualizations to seamless API integrations Optimise User Experience: Ensure our interface is visually appealing and high-performing using advanced caching strategies, performance monitoring, and accessibility best practices Drive Innovation: Leverage modern tools and architectures to integrate cutting-edge features such as server-side rendering (SSR) and AI-driven enhancements Collaborate & Own: Work autonomously within a small, agile team, contribute ideas, experiment with innovative approaches, and take full ownership of your code from development through production Learn & Share: Engage in conferences and meet-ups, share knowledge with colleagues, and continuously learn from one another What you will bring to the table Frameworks & Libraries: React, TypeScript, and state management (Recoil, Redux, MobX) Performance Optimisation: Code splitting, lazy loading, and React performance tools APIs & Data Handling: REST, Long Polling, WebSocket, GraphQL, caching strategies, and data-heavy API interactions UX & UI: Responsive design, design systems, and prototyping (Figma, Excalidraw) Testing & Quality: Unit and integration (Jest), E2E testing (Cypress) Security & Accessibility: OAuth/JWT, XSS/CSRF prevention, WCAG, and ARIA CI/CD & Developer Tooling: NX, GitHub Actions, monorepos, pipelines, and micro-frontend architectures Specific Technologies: Plotly, Echart, VTK, Three.js, WebGL, WebGPU, and WebAssembly What we offer Equity options - share in our success and growth. 10% employer pension contribution - invest in your future. Free office lunches - great food to fuel your workdays. Flexible working - balance your work and life in a way that works for you. Hybrid setup - enjoy our new Shoreditch office while keeping remote flexibility. Enhanced parental leave - support for life's biggest milestones. Private healthcare - comprehensive coverage Personal development - access learning and training to help you grow. Work from anywhere - extend your remote setup to enjoy the sun or reconnect with loved ones. We value diversity and are committed to equal employment opportunity regardless of sex, race, religion, ethnicity, nationality, disability, age, sexual orientation or gender identity. We strongly encourage individuals from groups traditionally underrepresented in tech to apply. To help make a change, we sponsor bright women from disadvantaged backgrounds through their university degrees in science and mathematics. We collect diversity and inclusion data solely for the purpose of monitoring the effectiveness of our equal opportunities policies and ensuring compliance with UK employment and equality legislation. This information is confidential, used only in aggregate form, and will not influence the outcome of your application.

Overview About Certara is a growing company that provides a dynamic and exciting place to work. Our purpose is to assist in accelerating the development of meaningful medicines that make an impact on our society and the people that need them most. Innovation and creativity are highly valued, and everyone is given the opportunity for training and continuous development. Our portfolio spans the discovery, preclinical, clinical and post marketing phases of drug development, working with 1,200 commercial companies, 250 academic institutions, and numerous regulatory agencies. As a Senior Software Developer at Certara, you will lead the design, development, and optimization of cloud native, scalable, web applications, APIs and services. Collaborating with developers, IT, DevOps, and science teams, you'll drive technical solutions, mentor others, and ensure high quality deliverables that support our business operations and customer needs in a dynamic, forward thinking environment. This role is remote in the UK, but occasional attendance in the Sheffield office is required. Responsibilities Lead the design, development, testing, and deployment of cloud native scalable, high performance solutions and platforms, including web applications, APIs, services, databases, event busses and other infrastructure. Provide collaborative expertise and consultancy on distributed event driven cloud architecture good practices. Partner with internal stakeholders to define, analyse, and architect technical solutions that meet complex requirements. Diagnose and resolve advanced issues related to functionality, performance, scalability, and user experience. Collaborate with the DevOps team to design and optimize deployment pipelines and maintain robust cloud hosted solutions. Oversee the integration of APIs and third party services, ensuring seamless functionality and performance. Drive the development and maintenance of automated tests for APIs to guarantee reliability and efficiency. Provide expert technical support and mentorship to internal teams, customers, and junior developers. Enhance and maintain existing applications, implementing improvements in performance, reliability, and scalability. Enforce security best practices and ensure applications meet stringent protection standards. Proactively stay ahead of development trends, frameworks, and emerging technologies, recommending innovative solutions. Qualifications Essential Bachelor's degree in Computer Science or a related degree or equivalent professional experience 5+ years of proficiency in .NET C# and ASP.NET with a strong track record of delivering complex web solutions Proven experience of designing and building distributed event driven cloud architectures on AWS or Azure, using container orchestration (e.g. Kubernetes), and/or cloud native serverless tools (e.g. AWS Lambda, SQS/SNS, or Azure Functions, Service Bus, Event Grid) Proven experience with SQL databases (e.g. SQL Server, PostgreSQL, SQLite) and/or No SQL databases (e.g. MongoDB, AWS DynamoDB, Azure Cosmos) Proven experience with .NET ORMs (e.g. Entity Framework, Dapper) Advanced understanding of good practice API development, integration, and testing (e.g. RESTful services, GraphQL). Advanced understanding of security best practices, performance optimization, and scalability techniques in a SaaS or public cloud facing system. Exceptional problem solving skills, with an ability to weigh up pros and cons of architectural decisions, and meticulous attention to detail. Excellent communication and leadership skills, with a proven ability to thrive in a collaborative team setting. Significant experience with version control systems such as Git. Strong expertise in writing and maintaining automated tests (e.g., unit, integration, or component tests using NUnit, xUnit, Jest, or Jasmine). Desirable Experience with both front end (e.g. React, TypeScript) and back end (.NET C#, ASP.NET) development, especially related to API consumption good practices such as schema validation, or event driven architectures (e.g. webhooks). Proficiency in modern web technologies (e.g. JavaScript, TypeScript, HTML, CSS). In depth understanding of CI/CD pipelines and DevOps practices, particularly in Azure. Extensive experience with automated testing frameworks for APIs (e.g., Postman, NUnit). Expertise with external dependency mocking tools (e.g., TestContainers, Wiremock). Prior experience mentoring developers or leading technical initiatives. Certara bases all employment related decision on merit, taking into consideration qualifications, skills, achievement, and performance. We treat all applicants and employees without regard to personal characteristics such as race, color, ethnicity, religion, sex, sexual orientation, age, nationality, marital status, pregnancy, physical or mental condition, genetic information, military service, or other characteristic protected by law.