IT - Software Development jobs in the United Kingdom

Lead Media Solutions engineering at WPP Media in London. Requires C#/.NET Core, TypeScript, React, Azure, Terraform and strong leadership skills. Hybrid role with excellent benefits and global network access.

Lead enterprise AI adoption as a senior technical architect in London, owning technical strategy for key accounts across ChatGPT Enterprise, API and Codex. Hybrid role, 3 days in office, with relocation support.

Lead Agile delivery as a Senior Delivery Manager for a mission-driven team in London or remote. Requires fluent English and German, strong stakeholder management, and AI/Data Science project expertise.

Distyl AI seeks an AI Engineer in the UK to build production LLM systems, agent workflows, and RAG pipelines. Requires 8+ years software engineering, Python or TypeScript, and enterprise AI deployment experience.

AI Engineer role in London for a programmer-first builder with production TypeScript/Node.js and MongoDB experience. Build agentic systems, tools and evals with LLMs. £115,000 + equity, choice-first remote work with UK working rights required.

Codat seeks a Senior Software Engineer in London to build its Advisory Intelligence Platform, designing semantic, signal and reasoning layers that power AI-driven banking insights. Requires strong C#, Python and production data systems experience.

Join Anduril as a 2027 Software Engineer Intern in London. Work on real defense tech projects, triage issues, and build customer-facing solutions. Ideal for CS students graduating in 2028 with Python, C, or Java skills.

Lead engineering teams at a London-based utilities scale-up as Engineering Manager - Partner Proposition. Blend hands-on technical direction with people leadership, driving delivery, OKRs and operational excellence. Remote-first with strong benefits.

Join Braze as a Senior Platform Software Engineer in London, running Valkey, Memcached and Elasticsearch at massive scale on Kubernetes. Build automation and observability tooling with Go, Python or Ruby.

Motorway seeks a Senior Android Engineer in London to lead cutting-edge feature development using Kotlin and Jetpack Compose. Build high-scale mobile apps, evolve Server-Driven UI, and enjoy hybrid work, equity, and strong benefits.

Join Engineers Gate in London as a Data Engineer and build scalable data platforms for investment teams. Requires STEM degree, 1-2 years experience, Python and SQL skills. Work with portfolio managers on financial datasets.

WRITER seeks a Software Engineer in London to build scalable AI agent systems using Python, LangGraph, and cloud platforms. Requires 3+ years experience with distributed systems and agentic coding tools.

UFORCE seeks a Senior/Staff Software Engineer (Autonomy) in London to build mission-critical autonomy software for uncrewed surface vessels. Requires 8+ years in Java, Python, or .NET/C#, strong math foundations, and real-time systems expertise.

Lead Simulation Engineer role in London to own real-time XR simulation architecture in Unity, lead 4+ engineers, and drive AI-assisted development for immersive med-tech training solutions.

AECOM seeks an AI Product Manager in London to lead AI, simulation and optimisation products for transportation infrastructure. Requires transport engineering expertise, AI/ML fluency and strong stakeholder skills.

Business Solutions Analyst role in Norfolk bridging operational teams and technical delivery. Requires Power Platform expertise, JavaScript, and strong business analysis skills to translate requirements into automated solutions. Competitive benefits included.

Lead our C#/.NET development chapter through a major IT transformation. Blend technical leadership with people management, coaching developers and driving DevOps excellence. Fixed-term role in the UK with strong benefits.

Join allpay Limited, a leading UK Fintech, as a Software Engineer in our R&D team. Use C#, .NET and SQL Server in an Agile environment. Enjoy great benefits including private healthcare and on-site gym.

Join allpay, one of the UK's fastest-growing Fintech companies, as a Software Engineer in our R&D team. Work with C#, .NET and SQL Server in an Agile environment, with great benefits including private healthcare and on-site gym.

Senior Python Engineer role in London for FICC index and rates platforms. Requires 7+ years hands-on Python, strong SQL, Linux and CI/CD skills. Build scalable quantitative tools with hybrid benefits and wellbeing support.