Back End Developer

Senior Back-End Developer – Fintech | London (Hybrid)Build high-performance financial systems powering global transactions.We’re partnering with a scaling fintech in London to hire a Senior Back-End Developer with deep experience building resilient, low-latency systems within regulated environments. If you enjoy designing high-throughput services and...

Senior Back-End Developer – Fintech | London (Hybrid) Build high-performance financial systems powering global transactions. We’re partnering with a scaling fintech in London to hire a Senior Back-End Developer with deep experience building resilient, low-latency systems within regulated environments. If you enjoy designing high-throughput services and...

Founding Back-End Engineer£90,000+ and Equity optionsLondon Join a high-growth fintech startup transforming global marketsOur client is an early-stage, well-funded fintech venture building a next-generation trading platform that brings 24/7 access, advanced leverage, and cutting-edge performance to traditional financial assets. Backed by top-tier Silicon...

*** Front-End Developer (Adobe AEM) - 12 months + ext. - Hybrid / London *** For one of our Customers at RED is in search of an experienced Java Front-end Developer with Adobe AEM experience. Contract Details Job Title: Front-end Back-end Developers Java/JavaScript/Adobe AEM Start Date: ASAP Duration: 12 Months - Initial contract Contract: Freelance (Inside...

Founding Back-End Engineer £90,000+ and Equity options London Join a high-growth fintech startup transforming global markets Our client is an early-stage, well-funded fintech venture building a next-generation trading platform that brings 24/7 access, advanced leverage, and cutting-edge performance to traditional financial assets. Backed by top-tier Silicon...

**Back End Developer (GraphQL / Python / Agile / React / REST / CI / CD)** **3 months | £450 - £500 per day | Outside IR35 | Green Tech** SR2 are excited to be partnering with a small start up who are trying to tackle carbon emissions and produce a greener UK through their tech and platform. Having received funding for the next 18 months they're now...

**Back end Developer | Inside IR35 | 1 month rolling contract** My client are a product & service innovation company, and are looking to hire a Back end Contractor immediately on a short term basis. **Requirements**: - C# dotnet core 5/6 - TSQL/Entity code first - Comfortable using Migrations - Knowledge of security best practices - Experience with IIS/WS...

An emerging healthcare company who focuses on revolutionising the way musculoskeletal healthcare is assessed and treated is looking for an experienced and confident back end developer to join their growing team. After a successful first year funding from leading investors, they are looking for a back end developer who will be able to deliver new features...

You'll be responsible for building and optimising backend services that power real-time financial products. Your work will directly impact transaction speed, reliability, and platform scalability. We're partnering with a scaling fintech in London to hire a Senior Back‑End Developer with deep experience building resilient, low‑latency systems within...

Company DescriptionKRONEUS is a research-driven security organization focused on creating advanced protection systems for autonomous AI and next-generation digital infrastructure. The company integrates cybersecurity engineering, intelligent threat analysis, and policy-driven controls to develop resilient defense technologies. Its flagship product, SELA, is...