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...Read More>>.

Client Server Limited seeks a Backend Software Engineer with strong C#/.Net and SQL skills to join a Hedge Fund technology team in London. You will develop high-performance trading systems and collaborate with quantitative researchers on valuation...Read More>>.

Client Server Limited is seeking an experienced Backend Software Engineer / Developer focused on C# .NET for a London-based, onsite role. You will work in a senior, hands-on capacity within a global Sports Trading business, contributing to backend...Read More>>.

OverviewLead Software Engineer / Developer (C# .Net API AWS) Nottingham / WFH to £80kOpportunity to progress your career in a senior, hands-on leadership role at a SaaS tech company. As a Lead Software Engineer you'll join...Read More>>.

Client Server Limited is seeking a Lead C# Developer / Backend Software Engineer (C# .Net) in Newcastle on-site. You will lead the design and implementation of core applications, APIs and microservices while mentoring the team and guiding architec...Read More>>.

Client Server Limited is seeking a Lead Backend Engineer in Newcastle to design and implement APIs and microservices, manage secure server environments, and guide the team with architectural leadership. You will liaise with clients, gather require...Read More>>.

Backend Software Engineer C++ Rust Low Latency Trading Opportunity to join a hugely profitable High Frequency Trading firm specializing in crypto markets. You will design and develop high throughput backend services for microsecond rea...Read More>>.

OverviewSenior Java Developer / Backend Software Engineer Cambridge / WFH to £75kAre you a backend focused Java technologist?You could be progressing your career in a senior, hands-on role at a market leading soft...Read More>>.

Backend Software Engineer / Developer (C# .Net) London onsite to £150kAre you an experienced C#, backend focussed Software Engineer?You could be progressing your career in a senior, hands-on role at a global Sports Trading bu...Read More>>.

Client Server is seeking a Backend Software Engineer / Developer (TypeScript) to join their team in Cambridge, offering a competitive salary of up to £70k plus bonuses. You will develop backend services for a customer portal, working in a collabo...Read More>>.

Client Server in London is seeking a backend software engineer with strong C# and/or Python to join a small, agile team building cloud-native systems for an insurance product portfolio used across international businesses.You will contribut...Read More>>.

Client Server is seeking a Senior Python Developer/Software Engineer to join their London office in a hands-on role. The successful candidate will build backend services and FastAPIs using Python, as well as integrate LLMs and payment systems. You...Read More>>.

Client Server Limited in London is seeking a backend focused C# Developer to join their team for a hands-on role. You will work on backend services using C# and .NET, based in their City office on a full-time, onsite basis.The role requires...Read More>>.

Backend Software Engineer / Developer (Python LLM) Remote UK to £90k Are you a backend focussed Software Engineer looking for an opportunity to progress your career, whilst working remotely on a modern tech stack? You could b...Read More>>.

Backend Software Engineer / Developer (C# .Net) London onsite to £90k Are you a backend focussed Software Engineer? You could be progressing your career in a hands-on Backend Software Engineer role at a global sports trading firm....Read More>>.

Client Server Limited in London is seeking a Backend Software Engineer to design and develop real-time trading systems in a hands-on role.You will focus on C# .Net backend and API development, with occasional JavaScript/React frontend work,...Read More>>.

Client Server Limited in Cambridge is seeking a Backend Software Engineer focused on Python to join the R&D team. You'll work on a new Greenfield product to combat AI-based security threats, delivering complex backend systems with rapid prototypin...Read More>>.

Client Server Limited in London is seeking a backend-focused C# Developer to advance the company's core services. You will work on C#/.NET back-end solutions in a fast-paced, sports trading environment, with an emphasis on robust design and scalab...Read More>>.

Software Developer / Engineer (C# .Net Core API SQL) Bracknell / WFH to £85kAre you a backend focussed Software Developer with strong C# skills?You could be progressing your career in a senior, hands-on Software Developer r...Read More>>.

Client Server Limited in Cambridge is seeking a Python Software Engineer – Technologist to join the R&D team on a Greenfield product, with a strong emphasis on backend Python and modern tech.You will work in a hybrid Cambridge office, con...Read More>>.

Senior Full Stack Developer TypeScript React APILondon, Greater London | £100k - £120k per yearSenior Full Stack Engineer / Developer (TypeScript React API Rust) London onsite to £120kOpportunity for a Senior...Read More>>.

Client Server Limited is seeking a Backend Software Engineer (C/C++ on Windows) to work in a Finance/Exchange Connectivity context. You’ll join an Agile team building real-time, low-latency systems handling huge data feeds and TCP/IP transport p...Read More>>.