76 to 100 of 156 Client/Server Jobs in England

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you … systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in … enjoy collaborating, learning new things and sharing knowledge You are degree educated in Computer Science or closely related discipline What's in it for you: As a C# Developer / Full Stack Engineer you will earn a competitive package: Salary to £100k Bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory pension scheme Private More ❯

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you … systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in … enjoy collaborating, learning new things and sharing knowledge You are degree educated in Computer Science or closely related discipline What's in it for you: As a C# Developer / Full Stack Engineer you will earn a competitive package: Salary to £100k Bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory pension scheme Private More ❯

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you … systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in … enjoy collaborating, learning new things and sharing knowledge You are degree educated in Computer Science or closely related discipline What's in it for you: As a C# Developer / Full Stack Engineer you will earn a competitive package: Salary to £100k Bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory pension scheme Private More ❯

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you … systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in … enjoy collaborating, learning new things and sharing knowledge You are degree educated in Computer Science or closely related discipline What's in it for you: As a C# Developer / Full Stack Engineer you will earn a competitive package: Salary to £100k Bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory pension scheme Private More ❯

Backend Software Engineer / Developer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a backend focussed Software Engineer with a first class education looking for an opportunity to progress your career, working on complex and interesting systems in an impactful role? You could be joining a FinTech scale-up that has secure backing, an established Hedge Fund client … employees walk or cycle in (onsite showers available!). About you: You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have expertise with … Algorithms You're excited to join a start-up in a role that you can shape and influence Apply now to find out more about this Backend Software Engineer / Developer (C# .Net Core) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯

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 … with analytics, product and machine learning teams to make data accessible, trust worthy and reusable. You'll be encouraged to contribute ideas and investigate new and emerging technologies. Location / WFH: You'll join the team in London four days a week with flexibility to work from home once a week. About you: You have experience as a Data … KTables You have strong SQL skills (e.g. PostgreSQL, MySQL) You have strong AWS knowledge, ideally including S3 and Lambda You have a good understanding of data modelling and batch / streaming ETL / ELT patterns You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Data Engineer you will receive More ❯

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 … with analytics, product and machine learning teams to make data accessible, trust worthy and reusable. You'll be encouraged to contribute ideas and investigate new and emerging technologies. Location / WFH: You'll join the team in London four days a week with flexibility to work from home once a week. About you: You have experience as a Data … KTables You have strong SQL skills (e.g. PostgreSQL, MySQL) You have strong AWS knowledge, ideally including S3 and Lambda You have a good understanding of data modelling and batch / streaming ETL / ELT patterns You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Data Engineer you will receive More ❯

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 … with analytics, product and machine learning teams to make data accessible, trust worthy and reusable. You'll be encouraged to contribute ideas and investigate new and emerging technologies. Location / WFH: You'll join the team in London four days a week with flexibility to work from home once a week. About you: You have experience as a Data … KTables You have strong SQL skills (e.g. PostgreSQL, MySQL) You have strong AWS knowledge, ideally including S3 and Lambda You have a good understanding of data modelling and batch / streaming ETL / ELT patterns You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Data Engineer you will receive More ❯

Senior Software Engineer / Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer within the trading engine team you'll collaborate to design and … basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript / React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You … are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior Software Engineer / Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now More ❯

Backend Software Engineer / Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management, earning substantial bonuses. As a Backend Software Engineer within the trading engine team you'll collaborate … basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript / React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You … are degree educated in Computer Science or similar technical discipline What's in it for you: As a Backend Software Engineer / Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now More ❯

Senior Software Engineer / Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance … model data for a variety of purposes. You'll also collaborate with the Infrastructure Team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong … X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Senior Software Engineer / Developer (Python FastAPI Data) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯

Senior Software Engineer / Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance … model data for a variety of purposes. You'll also collaborate with the Infrastructure Team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong … X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Senior Software Engineer / Developer (Python FastAPI Data) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯

Lead Software Engineer / Developer (C# .Net) Newcastle onsite to £150k Well funded Fintech scale-up is seeking a skilled backend focussed Software Engineer with strong technical leadership skills. As a Lead Software Engineer you'll design and implement the logic behind core applications, build APIs, and microservices that handle data processing, business rules and third-party integrations and … employees walk or cycle in (onsite showers available!). About you: You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level You have strong technical leadership skills You have expertise with modern C# .Net Core, Python skills would also be … career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Apply now to find out more about this Backend Software Engineer / Developer (C# .Net Core) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯

Graduate Software Engineer / Developer *Newcastle onsite* £33k+ - Start March 2026 Are you a bright, ambitious technologist with a top class Computer Science degree looking for an opportunity to join a tech start-up? You could be progressing your career at a start-up Investment Management firm that have secure backing and an established Hedge Fund client … 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 Graduate Software Engineer / Developer you will earn a competitive bonus and benefits package: Starting salary of £33,000 Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social … team atmosphere with a range of events and early finish for drinks on Fridays at the onsite bar Apply now to find out more about this Graduate Software Engineer / Developer (Computer Science C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually More ❯

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 Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Java Developer / Backend Software Engineer you will earn: Salary to £85k Bonus Hybrid working (x3 days in London per week) Learning and career development opportunities Apply now to find out more … about this Java Developer / Backend Software Engineer (Java 17 Kotlin 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 More ❯

Full Stack Developer / Software Engineer (JavaScript Vue.js Python) London to £80k Do you enjoy working with a range of programming languages? You could be progressing your career as a Full Stack Developer 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 … for the job as well as own your own DevOps and deployment. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office … and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50 / 50 split You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript You More ❯

Full Stack Developer / Software Engineer (JavaScript Vue.js Python) London to £80k Do you enjoy working with a range of programming languages? You could be progressing your career as a Full Stack Developer 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 … for the job as well as own your own DevOps and deployment. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office … and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50 / 50 split You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript You More ❯

Data Software Engineer / Developer (Python Databricks FastAPI) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance … model data for a variety of purposes. You'll also collaborate with the Infrastructure team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong … X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Data Software Engineer / Developer (Python Databricks FastAPI) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯

Senior C# Developer / Software Engineer (C# .Net Core AWS) Sunderland / WFH to £75k Do you have strong C# .Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing games / gambling site, whilst enjoying a range of benefits and perks. As a Senior … This is a senior position where you'll contribute to the planning of technical projects, provide guidance, conduct code reviews and input into technical discussions and decision making. Location / WFH: There's a hybrid work from home policy with 2-3 days a week; when you're in the office you'll be collaborating with fellow technologists in … applications You have a good knowledge of AWS You're collaborative with great communication, mentoring and leadership skills What's in it for you: As a Senior C# Developer / Software Engineer (C# .Net Core AWS) you will receive a competitive package: Competitive salary to £75k + quarterly bonus Holiday purchase scheme, plus an extra day for every your More ❯

Technical Solutions Architect (C# .Net SQL AWS) Nottingham / Remote to £85k Opportunity to progress your career in an impactful, Technical Solutions Architect role, at a tech company that provides a range of SaaS software solutions. As a Technical Solutions Architect you will collaborate with Product Management and Agile software delivery tribes to define, design, document and communicate the … next 6-18 months. You will help foster an environment of innovation, collaboration, and inclusion, pushing towards an architecture that optimises flexibility, reuse, scalability, performance, durability and availability. Location / WFH: You can work from home most of the time, meeting up with colleagues in Nottingham office once a month / quarter. About you: You have strong software … development skills with C# .Net, SQL Server and AWS (or other e.g. Azure, GCP); you don't ned to be hand-on with coding but have a strong technical development background You have experience with solution and technical design of multi-tier, distributed scalable .Net solutions You have a strong knowledge of event driven microservices You have advanced More ❯

Backend Software Engineer / Developer (AI) Knutsford onsite to £130k Are you a technologist with a strong knowledge of AI and its practical uses within software engineering? You could be joining a Cybersecurity technology company and enjoying a huge range of perks and benefits from continual learning and self-development opportunities (including "buy any book" policy) through to health … You have strong business acumen You believe in producing quality code and have experience with TDD and Pair Programming 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, 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 £130k 8% pension contribution Life Assurance and Income Protection Enhanced maternity / paternity packages Private Medical care for you and your family including same day GP appointments and prescriptions Flexible working hours More ❯

Backend Software Engineer / Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Backend Software Engineer you'll collaborate with a team of … high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as well as learning from industry experts on world finance. Location / WFH: You'll join the team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please … business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for you: As a Backend Software Engineer / Developer you will earn a competitive package: Salary to £180k Significant bonus earning potential Fund performance share Personal training budget and mentoring Family friendly benefits that include unlimited emergency More ❯

Technical Consultant (Python AWS) Manchester / WFH to £85k Do you have strong business acumen and client facing expertise combined with backend Python and AWS technical skills? You could be progressing your career in a senior, hands-on Technical Consultant role at a technology start-up that is producing a software suite for legal firms that massively … As a Technical Consultant you will collaborate closely with clients, taking ownership of client bespoke end-to-end projects with a focus on building cloud based applications / systems using Python and AWS. You'll work independently, across the full development lifecycle, from requirements through to technical decisions and will see the results of your work quickly. … 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. Please note you will occasionally need to visit client sites and will need your own car. About you: You have experience of working directly with clients and taking More ❯

Technical Consultant (Python AWS) Manchester / WFH to £85k Do you have strong business acumen and client facing expertise combined with backend Python and AWS technical skills? You could be progressing your career in a senior, hands-on Technical Consultant role at a technology start-up that is producing a software suite for legal firms that massively … As a Technical Consultant you will collaborate closely with clients, taking ownership of client bespoke end-to-end projects with a focus on building cloud based applications / systems using Python and AWS. You'll work independently, across the full development lifecycle, from requirements through to technical decisions and will see the results of your work quickly. … 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. Please note you will occasionally need to visit client sites and will need your own car. About you: You have experience of working directly with clients and taking More ❯

Technical Consultant (Python AWS) Manchester / WFH to £85k Do you have strong business acumen and client facing expertise combined with backend Python and AWS technical skills? You could be progressing your career in a senior, hands-on Technical Consultant role at a technology start-up that is producing a software suite for legal firms that massively … As a Technical Consultant you will collaborate closely with clients, taking ownership of client bespoke end-to-end projects with a focus on building cloud based applications / systems using Python and AWS. You'll work independently, across the full development lifecycle, from requirements through to technical decisions and will see the results of your work quickly. … 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. Please note you will occasionally need to visit client sites and will need your own car. About you: You have experience of working directly with clients and taking More ❯