Client Server

C++ Developer / Backend Software Engineer (C++ SDK OEM) Cambridge / WFH to £75k Are you a backend focussed C++ Developer looking for an opportunity to work on complex and interesting, cutting edge systems with client interaction? You could be joining a market leading software house that's remote access product is used by hundreds of millions of users worldwide click apply for full job details

Software Engineer / Developer (TypeScript) London to £75k Opportunity to progress your career at a Tech for Good company that is enabling life changing education to be accessed by students around the world. As a Software Engineer you will design and develop large, distributed, scalable web based systems, working within a modern cloud (AWS) microservices based environment; you'll be primarily using T click apply for full job details

Senior Data Engineer (Kafka Python AWS) London / WFH to £80k Are you a data technologist with fluent Python coding skills who enjoys working with and continually learning new technologies? You could be progressing your career in a senior, hands-on role at a 'Tech for Good' company that is enabling life changing education to be accessed by millions of students across the globe (currently 22 countries click apply for full job details

Full Stack Engineer / Developer (JavaScript Vue.js Python) London to £100k Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 car click apply for full job details

Java Developer / Backend Software Engineer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Java Developer with Kotlin skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading silver and gold click apply for full job details

Quantitative Analyst / Modeller (SQL Mathematics Statistics) London / WFH to £95k Do you have advanced mathematical / data modelling skills combined with experience within the Sports Betting industry? You could be progressing your career in a senior, hands-on Quantitative Analyst / Modeller role at a growing technology company that's advanced data analytics platform helps business within the online click apply for full job details

Staff Software Engineer / Developer (Java Kotlin AWS React) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex te click apply for full job details

Software Developer / Engineer Newcastle onsite to £70k+ Are you a bright, ambitious Software Developer looking for an opportunity to progress your career, working on complex and interesting systems in a role where you can learn and develop your skills? You could be joining a FinTech start-up, they have secure backing and an established Hedge Fund client as a partner click apply for full job details

Lead Software Engineer / Developer (C# .Net Core Azure) Reigate / WFH to £95k Are you a backend focussed .Net technologist looking for an opportunity to work on cutting edge SaaS technology? You could be progressing your career in a senior hands-on role at a global InsurTech. As a Lead Software Engineer you will take a lead role in the team responsible for their flagship SaaS insurance platform that click apply for full job details

Senior Java Software Engineer / Developer (TDD Java) to £140k Are you a Java technologist with strong backend development experience looking for an opportunity to progress your career in a senior, hands-on role? You could be joining a Cyber Security technology company and enjoying a huge range of perks and benefits from continual learning and self-development opportunities (including 'buy any book' click apply for full job details

Senior Java Software Engineer / Developer (TDD Java) to £140k Are you a Java technologist with strong backend development experience looking for an opportunity to progress your career in a senior, hands-on role? You could be joining a Cyber Security technology company and enjoying a huge range of perks and benefits from continual learning and self-development opportunities (including 'buy any book' click apply for full job details

Engineering Manager (Agile) Nottingham / WFH to £80k Do you enjoy leading and developing successful Agile tech teams? You could be progressing your career in an impactful role at a tech company that provides a range of B2B SaaS solutions. As an Engineering Manager you'll head up an Agile development team (c10 people in total) to deliver payment solutions using cloud technologies. You'll help the team to transition from a scale-up mindset to a more established tech firm with software engineering best practices and processes. You will be key in developing others to succeed and progress their careers, instilling a positive team culture, providing line management, 1-2-1s and promoting from within the team. You will have lots of business interaction, collaborating with the Product Team to ensure delivery of new innovations, working with business stakeholders to input into decision making. Location / WFH: There's a remote interview and onboarding process and you'll be able to work from most of the time, meeting up with the team for constructive meetings once a month in the Nottingham office. About you: You have experience of leading high achieving Agile software engineering teams You have experience of establishing software engineering best practices and inclusive cultures You have a technical background, with a strong understanding of the full software development lifecycle You enjoy developing others and helping them to improve and succeed You have excellent communication and stakeholder management skills What's in it for you: As an Engineering Manager you will earn a competitive salary plus a range of benefits: Up to £80k 25 days holiday Vitality health insurance 5% non-contributory pension Death in Service Travel allowance to the Nottingham office Apply now to find out more about this Engineering Manager (Agile) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Systems Administrator (Windows PowerShell) Godalming / WFH to £50k Do you have a strong knowledge of Windows Server? You could be progressing your career in a hands-on role at a successful software house. As a Systems Administrator you'll be an integral part of a small team responsible for the company's technical infrastructure. You'll have a broad range of responsibilities focusing on configuration and management of Windows Server 2019 - 2022, Windows Server IIS, Active Directory and Hyper-V. You will collaborate with the Head of Technical Operations and software engineering teams to implement code, monitor performance, assist with security maintenance for ISO27001, develop the existing disaster recovery procedures, write environment documentation (including network diagrams, procedures and Scripts) troubleshoot performance issues and investigate customer issues. Location / WFH: You can work from home most of the time, meeting up with colleagues once a week in the Godalming office (free onsite parking). Please note there is an on-call requirement of one week in four, providing 24/7 cover (you'll get an additional 7% of your base salary pro-rata). About you: You have experience as a Windows Systems Administrator, with a strong knowledge of Windows Server 2019-22 and ideally also Windows IIS You have a strong knowledge of backup, recovery and security You have experience of investigation and diagnosing operating system issues You have a good knowledge of Networking using TCP stack to diagnose issues You have strong PowerShell scripting skills and believe in automating wherever possible You have systems monitoring experience You have good time management and organisation skills You're collaborative with great communication skills Ideally you will also have some experience with AWS and Docker although it's not essential, you can pick up on the job What's in it for you: As a Systems Administrator (Windows PowerShell) you will earn a competitive package: Salary to £50k + 7% on-call allowance Bonus 25 days holiday Pension, Death in Service, Healthcare and Employee Assistance Programme Paid for training and certifications Apply now to find out more about this Systems Administrator (Windows PowerShell) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior QA Test Engineer (C# API Azure SaaS) Reigate / WFH to £85k Do you enjoy breaking things and putting them back together to discover how they work? You could be progressing your career, in a senior, hands-on role working on complex and technically challenging systems with continual learning opportunities a global FinTech. As a Senior QA Test Engineer you'll collaborate with a small, Agile team to define test strategies for features or whole applications; you'll establish test environments and frameworks and work with software developers to achieve high levels of test automation with a focus on complex backend C#, API and Performance Testing (JMeter). You'll work end-to-end, liaising with the Product Owner to define User Stories, through to executing manual and automation tests, performing exploratory testing and investigating new tools and processes. Location / WFH: There's a hybrid work from model, you can work from most of the week, meeting up with colleagues in Reigate twice a week in modern, open plan offices within a five minute walk of the station; there's a smart casual dress code and a good work / life balance. About you: You're a skilled Test Automation Engineer with the ability to understand complex software products and work out how to test them You have a strong knowledge of C#, including basic coding skills You have a good knowledge of Performance Testing (ideally with JMeter), Exploratory Testing, Manual Testing and Test Automation You have a good understanding of SaaS You have end-to-end testing experience You enjoy problem solving and collaborating as part of a cross functional Agile team You believe in automating wherever possible What's in it for you: As a Senior QA Test Engineer you will earn a competitive package including: Salary to £85k + bonus (c15%) 25 days holiday (and ability to buy more) Pension, Health Care, Life Assurance Enhanced maternity / paternity packages Continuous training and career development opportunities Plus a range of other perks and discounts Apply now to find out more about this Senior QA Test Engineer (C# API Azure SaaS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Lead Solution Architect (Microservices C# SQL AWS) Nottingham / WFH to £100k Do you have experience of transitioning monolith systems to microservices? You could be progressing your career in an impactful Lead Solution Architect role at a tech company that provides a range of SaaS software solutions. As a Lead Solution Architect you will collaborate with the Head of Architecture and a small centralised architecture team that design solutions company wide. Your initial project will be on transitioning the current monolith systems to microservices architecture to enable flexibility, re-use, scalability, performance, durability and availability; you will design and articulate the technical solutions, working closely with software engineers and team leads to manage team re-structuring to support the change and ensure that technical requirements are understood and carried out. Location / WFH: There's a hybrid work from home policy, you'll need to meet up with the team for constructive meetings twice a quarter in the Nottingham office. About you: You have experience of moving monolith systems to microservices architectures You have experience with solution and technical design of multi-tier, distributed scalable .Net solutions You have strong software development skills with C# .Net, SQL Server and AWS You have advanced technical documentation skills You have excellent communication, presentation, leadership and collaboration skills - you're comfortable working with an advising software engineers and team leads in a collaborative Agile environment What's in it for you: As a Lead Solution Architect you will earn a competitive package: Salary to £100k 25 days holiday Vitality Health Insurance 5% non-contributory pension Death in Service Apply now to find out more about this Lead Solution Architect (Microservices C# .Net SQL AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Software Engineer (TypeScript React Front End) Newcastle onsite to £100k Do you have a first class education combined with commercial TypeScript and React skills? You could be progressing your career at a start-up Investment Management firm that have secure backing and an established Hedge Fund client as a partner, in a role that you can shape and influence. As a Software Engineer you'll take ownership of technical projects, designing and developing user interfaces and client dashboards for cutting edge trading systems technology. You'll join a small team and be empowered to work independently and leverage new and emerging technology. Location / WFH: You'll join colleagues in Central Newcastle offices on a full-time basis (Monday to Friday). About you: You have achieved a minimum 2.1 BSc in Computer Science from a Russel Group university, backed by A's at A-level You have strong front end development experience with TypeScript and React You're a technologist who enjoys collaborating and problem solving You have a good knowledge of modern software engineering best practices across the full software development lifecycle You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're excited to join a start-up in a role that you can shape and influence What's in it for you: As a Software Engineer you will earn a competitive salary (£100k) plus significant bonus and benefits package. Apply now to find out more about this Software Engineer (TypeScript React Front End) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values. JBRP1_UKTJ

C# Software Engineer (Junior - Mid) London to 80k Do you enjoy collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable, systematic Hedge Fund that invests in sports betting markets whilst enjoying a range of perks and benefits including hybrid working and a sociable team environment. As a C# Software Engineer you'll join a cross functional Agile product team responsible for high-value business critical betting execution systems. You'll be building systems to manage large datasets which can process updates in real-time with high throughput and low latency; these systems are released with high frequency with technology choices that are continuously evolving. There's a focus on backend development with C# .Net and Kubernetes however you will work across the full stack, using TypeScript and React on the client side. You'll take ownership of projects and collaborate with a team of highly skilled engineers as well as business stakeholders, continually learning, assessing new technologies and making recommendations within a flat structure. Location / WFH: You'll be based in fantastic offices in a vibrant area of London with in-house gym and steam room, games room with pool tables and dart boards, library and free high quality catering (breakfast, lunch, dinner) from the onsite chef with flexibility to work from home two days a week (please note that during probation you will be required onsite five days a week). About you: You're degree educated in a STEM discipline, Computer Science, Mathematics or Physics preferred, 2.1 or above from a top tier university (e.g. Russel Group, Oxbridge, World top 100) You have C# serverside development skills, including .Net Core and multi-threading You have a good knowledge of AWS and Kubernetes The tech stack also includes JavaScript / TypeScript and React for client side applications; experience with any of these would be beneficial but you can pick them up on the job You're commercially aware and keen to understand the business impact of what you do You have excellent communication, collaboration and problem solving skills Ideally you will have an interest in sports with an understanding of betting What's in it for you: Competitive salary, to 80k Pension Private medical care and wellness days Training and conference budget to support your personal development Apply now to find out more about this C# Software Engineer / Developer (Junior - Mid) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Backend Software Engineer / Developer London onsite to 160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work? You could be joining a scaling Cyber Security technology company that has just received 100 million investment. As a Backend Software Engineer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and enhancements across two security product areas, working across the full development lifecycle; you'll be able to input ideas and have your voice heard in a collaborative team environment that encourages knowledge sharing. Location: You'll join colleagues in amazing offices in London five days a week with a wide range of facilities and an array of perks including free, chef cooked meals. About you: You have strong backend core Java development skills You have a strong knowledge of software engineering best practices and have experience with TDD You have a good knowledge of SQL and Networking (TCP/IP) You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Algorithms, Design Patterns You're collaborative, with Pair Programming experience You enjoy problem solving and are keen to pick up new skills What's in it for you: As a Backend Software Engineer / Developer you will earn a highly competitive package including: Salary to 160k 8% pension contribution Life Assurance and Income Protection Enhanced paternity packages Private Medical care for you and your family including same day GP appointments and prescriptions Flexible working hours Charitable donations matching scheme and much more Apply now to find out more about this Backend Software Engineer / Developer (Java TDD) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Lead Full Stack Engineer / Developer (Python AWS React) Manchester / WFH to 100k Are you a senior Full Stack Engineer with experience of leading projects and technical direction? You could be progressing your career in a senior, hands-on role leadership role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen huge interest in the product and have a lot of greenfield development work to get stuck into. As a Lead Full Stack Engineer you'll join a small technology team and take ownership of full stack development work, there are a range of projects, you'll provide technical direction and leadership whilst remaining hands-on with coding, you'll see the results of your work quickly and can influence technology decisions. You'll be working Python within an AWS environment using TypeScript, React and Next.js on the front end. Location / WFH: You'll join a small but growing team based in Central Manchester three days a week with flexibility to work from home the other two days. About you: You have strong Python, FastAPI and AWS backend development skills combined with React, Next.js and TypeScript You have full software development lifecycle experience and a good knowledge of modern software engineering best practices You have experience of providing technical project leadership, having managed multiple end-to-end projects You have good business acumen, with experience of working in start-ups or SMEs You are degree educated in Computer Science or similar technical discipline What's in it for you: Salary to 100k 25 days holiday Pension Hybrid working (x3 days office in Manchester) Impactful role with excellent career progression opportunities as the company scales Apply now to find out more about this Lead Full Stack Engineer / Developer (Python AWS React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Front End Team Lead (Angular TypeScript) Manchester / WFH to 85k Do you have strong Angular development skills combined with team leadership experience? You could be joining a growing tech company as they expand their UK tech hub. You'll be collaborating with a highly talented team to build a hugely successful SaaS platform that enables large corporate clients to manage AGMs, proxy and shareholder voting; the systems are large and complex with many technical challenges. Used by the majority of FTSE 100 companies As a Front End Team Lead you will lead the technical strategy for the development of various UIs across the growing product set, providing team leadership to three Front End Engineers whilst also remaining hands-on with coding. You'll be working with a relatively young code base, building new features on the core platform as well as taking ownership of greenfield projects as the company launches a new product and expands to new geographical areas. There's a strong pipeline of projects and you'll see the impact of your work. Location / WFH: You can work from home most of the time, meeting up with the team in the Central Manchester office once a week. About you: You have strong team leadership / management skills including performance management, mentoring, 1-2-1s, developing others, code reviews You have strong technical skills and indepth experience with Angular 16 / 18 with TypeScript / OO JavaScript alongside other web technologies such as CSS, HTML5 and REST APIs You have experience of defining and successfully implementing web development strategy You have a good knowledge of TDD practices You have advanced communication, collaboration, stakeholder management and leadership skills What's in it for you: Salary to 85k Hybrid working (x1 day in Manchester office per week) Healthcare, 6% Pension, Life Assurance Training and certifications Family friendly policies Ability to work abroad for 45 days per year 4 week sabbatical after 4 years 2 duvet days per year Additional days holiday for your birthday Bi-annual company parties Apply now to find out more about this Front End Team Lead (Angular TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.