IT - Software Development jobs in the United Kingdom

Senior Finance Systems Developer role in London driving AI adoption and automation across accounting processes. Requires 5+ years with NetSuite and Zuora, plus SQL, JavaScript and SuiteScripts expertise.

Join Butternut Box as an Analytics Engineer II in London. Build production-grade dbt models and Python pipelines with strong SQL skills. Enjoy 25 days holiday, share options, and a £500 learning budget.

Join ARQ as a Java Backend Engineer in London, building scalable microservices and REST APIs with Spring Boot and Postgres. Shape fintech innovation with stock options and a world-class team.

ARQ seeks a hands-on Senior Software Engineer for its Platform team in London. Build secure, highly-available infrastructure using Kubernetes, IaC, and typed languages like TypeScript or Go. Competitive salary, stock options, hybrid work.

Senior Java Backend Engineer role in London at ARQ, a fast-growing fintech. Build scalable microservices with Java 25, Spring Boot and Postgres. Requires strong Java skills and complex product experience. Competitive salary, stock options, hybrid office.

Staff Front End Engineer role in London (hybrid) at a genomics TechBio. Own a SaaS platform end to end in TypeScript and React, building fast data visualisations for huge datasets. Help people live longer, healthier lives.

Join Butternut Box as an Analytics Engineer II in London. Build production-grade dbt models and maintainable Python pipelines while collaborating with technical and business teams. Enjoy 25 days holiday, share options, and a £500 learning budget.

Flow Engineering seeks a Senior/Staff Software Engineer in London to build AI-powered requirements tools. Requires 5+ years in production software, LLM expertise, and full-stack skills. Join a fast-paced, AI-native team.

Senior Embedded Software Engineer role in London to own DX-1 platform firmware end to end. Requires strong C on bare metal, C/C++ on Linux, RTOS or kernel/driver depth, and hardware bring-up skills.

OLIX seeks an Architect/Staff Embedded Software Engineer in London to lead platform firmware for its DX-1 decode accelerator. Requires bare-metal/RTOS and embedded Linux BSP depth, silicon bring-up experience, and OpenBMC knowledge.

Platform Engineer role at Vertical Aerospace in the UK, driving Azure, AKS and hybrid infrastructure with Terraform and automation. Own platform reliability, security and ISO 27001 compliance while advancing zero-emissions electric aviation.

Mimica seeks a Head of Platform to own infrastructure strategy and lead Platform/SRE teams. Requires hands-on Kubernetes, Terraform, GitOps and reliability expertise. UK-based role at a fast-scaling, $26M-backed AI company.

Join Veezu as a Data Engineer in Cardiff (hybrid, 3 days onsite) and build data platforms with Microsoft Fabric, SQL, Python/PySpark and Power BI. Requires 2-4 years' data engineering experience.

Lead software projects at Arqit in Belfast, a world-class cybersecurity innovator. Manage concurrent deliveries, AI pipelines and stakeholder communication. Strong project management and technical understanding required.

Join Hiya as an Engineering Intern in London for Summer 2027. Work on high-performance systems serving millions of requests, with dedicated mentorship, clear project goals, and a supportive startup culture.

Lead GenAI product delivery as a player-coach Global AI/ML Engineer Manager in London. Requires 7+ years Python backend/API, 1+ year LLMs, RAG, agents, MCP and AWS. Mentor engineers and set standards.

Backend Software Engineer role in Edinburgh focused on building and scaling API services for financial data. Requires Java or similar OOP experience, AI knowledge, and agile teamwork. Hybrid financial data platform with European expansion.

Senior Applied Data Scientist / ML Engineer role in the UK for a product-minded owner who ships models end-to-end. Requires 5+ years in applied ML, strong Python, SQL, dbt and Snowflake. B2B SaaS a plus.

Senior AI Engineer role in the UK to build production agents on Amazon Bedrock and MCP. Own the outcome from customer need to reliable, scalable agent experience. Not a prompt or demo role - real delivery, coverage and quality.

Senior DevOps Engineer role in London with IFS Logistics. Requires strong GCP production experience, Kubernetes, Terraform, GitLab CI/CD pipelines, observability and cloud cost management skills. Build reliable infrastructure and improve release processes.