24 of 24 Client/Server Jobs in England

Role Title: Platform AWS Engineer Duration: contract to run until 31 / 10 / 2026 Location: London. Hybrid working with occasional travel Rate: up to £552 p / d Umbrella inside IR35 Clearance required: Active SC Clearance. UK National Required Skills Linux (Redhat, RPMs, SELinux, filesystems, users … / groups, systems management) Ansible Git (Github, Actions CI, repositories, branches, merge requests / code reviews, etc) General networking, IP addressing, CIDRs, TCP / IP, TLS certificates, etc. Running and working with Java applications, JVMs, processes etc. Nginx (primarily as a proxy) Performance management (CPU / ...

client has an exciting new position available for a Customs & Freight Test Analyst with a strong background in customs declarations and / or freight forwarding to join the Quality Assurance team. This is a unique opportunity for someone with industry-specific knowledge who is looking to transition … integration with HMRC systems and facilitating efficient, compliant trade operations. The product that is actively being developed, is a mature application (client / server) which started life in mid 2000s and has been deployed to live customers since 2011. Alongside this flagship product ...

positive and collaborative working culture. Key Responsibilities: Coordinate software release cycles across customer platforms, ensuring accuracy and timely delivery. Support and maintain CI / CD pipelines and assist in improving automation and deployment workflows. Troubleshoot installation and configuration issues for internal teams and external clients. Maintain test environments including … Engineering, and Project Management to ensure release readiness and resolve issues. Perform occasional out-of-hours deployments as required. Job Requirements: Exposure to CI / CD, version control (Git), and basic scripting or programming. Experience with Windows Client / Server, Linux environments ...

Full-Stack Software Developer - Worcester - £38k - £50k + excellent benefits Our client is looking for a highly motivated Full- Stack Software Developer / Front-End UI who is keen to learn, apply new technologies and develop creative solutions for their customers. The role will focus primarily … application front ends; however, the successful candidate will also be expected to contribute across the full technology stack, including back-end services, secure client server communication and database development. Required Skills and Experience Full-stack development experience, including user interface design, secure client-server ...

millions of accounts. We use cloud native technologies, and the work involves the development of micro-services, integrations, dashboards, production support tools and CI / CD pipelines. Initially, successful candidates for the role will be seconded to a FinTech software partner. This is an exciting opportunity to experience … enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation / refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve ...

millions of accounts. We use cloud native technologies, and the work involves the development of micro-services, integrations, dashboards, production support tools and CI / CD pipelines. Initially, successful candidates for the role will be seconded to a FinTech software partner. This is an exciting opportunity to experience … enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation / refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve ...

millions of accounts. We use cloud native technologies, and the work involves the development of micro‐services, integrations, dashboards, production support tools and CI / CD pipelines. Initially, successful candidates for the role will be seconded to a FinTech software partner. This is an exciting opportunity to experience … Hands‐on practical experience in system design, application development, testing, and operational stability. Proficient in at least one major programming language: Go, Python and / or Java. Experience with Kubernetes and Terraform. Experience in developing automated tests as an integral part of the development cycle. Overall knowledge ...

prospective accounts Capture requirements and translate Customer’s business needs into innovative solutions to accelerate their growth and capacity Contribute significant portions and / or lead responses to RFPs, RFQs and RFIs Seek out and spur new opportunities for interoperability, functional, and performance testing / validation Promote mutual … promote thought leadership within our organization What You’ll Need To Bring To This Role... 5 years (minimum) Pre-sales experience in Data Storage / Data Management is required MUST LIVE IN THE UNITED KINGDOM. 5 or more years of relevant experience, mixed among technology, design, and communications required. ...

Recruitment Consultant / Technical Recruiter Esher, Surrey to £35k + OTE Ready to take your recruitment career to the next level? Join one of our high performing, tech aligned teams at Client Server, a technology focused recruitment consultancy with fantastic office backing on to Sandown … month awards, annual awards, beer fridge, culture clubs and more! What You'll Do: You'll deliver high-calibre technologists to meet client needs in technology roles You'll manage and develop client relationships and grow your own portfolio (accelerating your commission as you contribute ...

deliver resilient and secure platform services. Essential Skills & Experience DevOps & Linux Strong Linux administration experience (RedHat environments) Knowledge of RPMs, SELinux, filesystems, user / group management, and system administration Experience with Ansible automation Strong Git knowledge including GitHub, GitHub Actions CI, repositories, branching, merge requests, and code reviews Sound … understanding of networking concepts including IP addressing, CIDRs, TCP / IP, and TLS certificates Experience supporting Java applications, JVMs, and process management Nginx administration, particularly as a reverse proxy Performance tuning and capacity management across CPU, memory, and storage Experience with OpenVPN and SSH client / ...

Junior Recruitment Consultant / Recruiter Esher to £29k+ Do you have recruitment or sales experience? Looking to upgrade your career with a more lucrative position? You could be progressing your career as a Junior Recruitment Consultant, with continuous training and career development (a few of our Directors started … consultants billing over £250k. Responsibilities as a Junior Recruitment Consultant: Effectively interview and assess candidates for suitable positions over the phone Pro-actively find / headhunt and create your own network of high calibre candidates (via LinkedIn Recruiter and other sources, we have our own database of over ...

PowerServer Engineer London (Hybrid - 2 days per week) £375 / day 6 Months + Exts I'm working with a global consultancy on a long-term project and we're looking for an experienced PowerServer Engineer with strong PowerBuilder experience. This is an excellent opportunity to assess and modernise … looking for experience with: PowerBuilder and PowerServer (Appeon) Application assessment, troubleshooting and performance optimisation Legacy application modernisation SQL Server and / or Oracle databases Client-server and web-based applications Producing technical recommendations and documentation Experience with Azure, AWS or application migration projects ...

Client Server Ltd. in London is seeking a seasoned C++ Developer / Backend Software Engineer to own high-performance trading systems. You will collaborate with traders and engineers, design scalable architecture, and deliver across the full software development lifecycle from requirements to production. The role ...

Lead Backend Software Engineer / Developer (C# .Net Azure SaaS) Reigate / WFH to £100k Are you a backend focussed C# technologist with an indepth knowledge of Azure? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing … development of complex, data driven features and applications, taking ownership and working independently to deliver secure cloud based resources, solutions and services. Location / WFH There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet ...

Technical Recruiter / Recruitment Consultant (360) London / WFH to £40k + OTE Are you an ambitious 360 Recruiter looking for greater autonomy, better earning potential and the opportunity to build your own market? Join us at Client Server, an established technology recruitment consultancy … placing exceptional technology talent. Whether you want to launch your own niche desk or join an established, high-performing team, as a Technical Recruiter / Recruitment Consultant you'll have the support, tools and freedom to accelerate your career. What You'll Do: Build and grow your own portfolio ...

Senior C++ Engineer (Mobile Infrastructure) Term: Contract until year-end (with strong potential for extension) Location: 100% Remote Tech Stack: C++, iOS, Android, HTTP / 2+, WebSockets, Custom Shared Libraries What You'll Actually Do This isn't your standard mobile feature-building role. You will sit squarely … mobile engineering experience, with a heavy focus on production-grade C++. A Mobile Native: You can effortlessly navigate large, multi-platform codebases (Android / iOS) and know how to ship robust SDKs. A Networking Nerd: Deep knowledge of HTTP / 2+, WebSockets, retries / backoff, and handling ...

Senior C# Developer C# .Net - Sports Trading London, Greater London | £100k - £150k per year Senior C# Developer / Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands‐on role … management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior C# Developer / Backend Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Pension ...

Client Server Ltd. is seeking a Lead Backend Software Engineer (C# .Net Azure SaaS) to join their team in Reigate. This role offers a competitive salary of up to £100k plus bonuses, with a hybrid working model. Responsibilities include collaborating with a small team to develop ...

London, Greater London | £110k - £175k per year Quantitative Developer (Python C++ MFT) London / WFH to £175k+ Opportunity for a highly talented Quantitative Developer with Python expertise to progress your career in an impactful role at a global trading firm with significant bonus earning potential. As a Quantitative Developer … Greenfield MFT platform for Equities trading, you will focus on designing, developing and implementing trade execution algorithms using Python and C++ within TWAP / VWAP infrastructure. This is an impactful role where you will influence and set the technical direction, drive standards and take technical project ownership. Location / ...

development frameworks and libraries (e.g. React, Next.js, Blazor), and Azure services. Design intuitive front-end experiences and robust back-end logic with seamless client-server integration. Implement new features using frameworks, databases and API integration and management. Ensure software quality with unit, integration, and automated testing. … SDLC: tools, pipelines, architecture, and documentation. What we're looking for A minimum of 5 years' experience of C# Strong knowledge of JavaScript, HTML / CSS, and modern frameworks (React, Blazor, Next.js). Experience working knowledge of Azure cloud services and SQL databases. A solid grasp of CI / ...

Client Server Ltd. is seeking a highly talented Quantitative Developer specializing in Python and C++ to join their London team. This impactful role involves designing and implementing trade execution algorithms for a Greenfield MFT platform in Equities trading. The successful candidate will be rewarded with ...

risk, or CISO organizations. Knowledge of scaling frameworks such as SAFe (Scaled Agile Framework) and LeSS (Large-Scale Scrum) . Experience supporting DevOps, CI / CD, and modern software engineering practices. Proven success driving organizational change and innovation adoption at scale. Experience collaborating with outsourced vendors and external development … partners. Understanding of scalable architecture patterns, client-server applications, distributed systems, and backend service design. Demonstrated experience mentoring engineering teams and process improvement functions. If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website. ...

Client Server Ltd. is seeking a Senior C# Developer to work onsite in London. This role offers a competitive salary of up to £150k per year, along with bonuses based on personal performance and a comprehensive benefits package including health insurance and pension. The ideal candidate ...

Client Server Ltd. in London is seeking a Head of Product to own a brand new Workforce Identity platform, guiding it from strategy through to a successful market launch. This role blends hands-on leadership with strategic direction across engineering, design and commercial teams. Initially ...