IT - Software Development jobs in the United Kingdom

Join Graphcore's Triton team in Bristol as a Software Engineer, building framework support for AI developers. Requires strong Python/C++ and compiler development skills. Enjoy flexible working, generous leave and phantom equity.

Join Graphcore's 2027 Graduate Programme in Bristol as an AI/ML Test Systems Engineer. Use your Python and C++ skills to test AI workloads on cutting-edge accelerator hardware. £45,000 salary plus great benefits.

Join Graphcore's 12-week summer internship in Bristol as a Software Engineering Intern working on drivers and utilities for AI hardware. Requires low-level programming skills in C, C++, or Python and electronics knowledge. £2500/month.

Join Graphcore as a Graduate Software Engineer in Bristol, building analysis tools with Rust and TypeScript. Enjoy £45k salary, flexible working, phantom equity and a September 2027 start.

Join Graphcore as a Graduate Firmware Engineer in Bristol, starting September 2027 with a £45,000 salary. Work on embedded firmware for cutting-edge products while enjoying flexible working, phantom equity and strong development support.

Fluidstack seeks a Software Engineer in London to build tooling that automates network diagnostics and incident response across AI data centers. Requires systems thinking, AI tooling fluency, and on-call ownership. Competitive salary, equity, and health benefits.

Join Perplexity's fraud prevention team in London as a Software Engineer building real-time decisioning systems. Requires 5+ years of backend experience with Rust, Go, or C++, plus Kubernetes and Terraform skills.

Join Octopus Energy as a Backend Engineer in London and help build a fair, clean energy future. Work with Python, Django, GraphQL, and Postgres on robust, scalable systems.

Join Sierra as a New Grad Software Engineer in London building production-grade AI agents for major brands. Own the full agent lifecycle, solve real customer problems, and enjoy unlimited PTO and great benefits.

Lead analytics teams and drive data innovation across UK property and financial services in this hybrid London role. Requires strong SQL/Excel skills, mortgage domain knowledge, and proven commercial analytics leadership.

Rapidly expanding B2C brand seeks a senior Head of Product to lead a growing team and partner with engineering. Requires strong B2C background, marketplace or e-commerce experience, and data-driven leadership. Based in London with bonus.

Lead Software Engineer role in London with a fast-growing Cloud scale-up backed by record Series A funding. Build distributed systems from 0-1 using Golang, Rust, Java or C/C++, with Kubernetes and cloud-native tech. Bonus and stock offered.

Senior Data Engineer role in Manchester for a commercially minded engineer with 5+ years' experience. Design scalable data pipelines using Python, SQL and cloud platforms, work directly with clients, and progress into team leadership.

Lead Java development at a modern software house in Manchester. Drive Agile delivery, build features with Spring Boot, AWS and Kubernetes, and mentor your team. Bonus included.

Join CHAOS Industries as a Forward Deployed Engineer in London. Deploy cutting-edge defense software, integrate sensor data, and build AI solutions. Requires Python/TypeScript skills and up to 25% travel.

Lead Neko Health's platform engineering as Director in London. Build scalable Azure infrastructure for health data, scale a 10-15 engineer team, and drive reliability. Requires PaaS/SRE expertise and hands-on coding.

Senior Backend Engineer role at ClickUp's Cloud Platform team in the UK, focused on scaling AWS infrastructure with deep Amazon EKS expertise. Requires 6+ years in distributed systems, strong Kubernetes and Terraform skills, plus Go, Python, or TypeScript coding.

Data Scientist role in London with iwoca's Broker Terms team. Shape analytical strategy for a key acquisition channel using Bayesian reasoning, causal inference and experimentation. Hybrid working, flexible hours and strong benefits.

Data Scientist role in London (hybrid) focusing on third-party acquisition for iwoca. Design experiments, build models, and drive growth through broker and partner channels in Germany. Requires strong statistics, causal inference, and Python skills.

Senior AI Engineer role in London to build and scale AI-native products on Addepar's AI Platform. Requires strong Python, Golang, gRPC, AWS and Kubernetes backend experience plus proven LLM and agentic systems delivery.