IT - Software Development jobs in the United Kingdom

Join Arqit in Belfast as a Senior Software Engineer, building scalable cybersecurity solutions with Java, Kotlin, Rust, Python or C++. Enjoy hybrid work, AI tooling, mentoring, and rapid shipping of code that reaches customers in weeks.

Join ElevenLabs as a Forward Deployed Engineer in the UK. Own end-to-end delivery for strategic partners, working hands-on with Python and APIs. Remote-first with London office option and regular customer travel.

Join Anthropic as an Applied AI Engineer in London to automate lab experiments with Claude, connecting robots and LIMS. Requires strong engineering skills, lab automation experience, and significant travel.

Artefact seeks a Junior Engineer in London to work on data and AI projects with senior team members. Requires Python, SQL, Git, and a quantitative degree, with training and certification provided.

Join Anthropic as an Applied AI Engineer in London to deploy Claude for clinical development in rare and neglected diseases. Bring clinical trial and biomedical data expertise to build LLM tools that accelerate drug repurposing.

Join a leading fintech as an AI Scientist in London, building production LLM systems, improving chatbots and document parsers at scale. Requires strong Python engineering, prompt and agent workflow expertise, and business judgement.

Lendable seeks a Data Scientist (AI) in London to build LLM-driven workflows, improve chatbot quality and expand document extraction pipelines. Strong engineering skills and hands-on LLM experience required.

Lead data-centric product vision for a transport business unit in London. Own the backlog, build BI SaaS for public transit authorities, and turn raw data into insights. Requires 5+ years in Product Management and strong data architecture knowledge.

Senior Manager - DevOps in London leading portal DevOps workstreams with hands-on AWS, GitLab CI/CD, Linux and identity (SAML, OIDC) expertise. Drive backlog refinement, release management and production support for reliable portal services.

Senior Software Architect role at Hawk-Eye leading computer vision tracking technology across multiple sports. Requires expert C++ skills, GPU inference knowledge, and experience with large-scale tracking systems in cloud and edge environments.

Lead Billing & Integrations engineering at Sanity.io in London or Oslo. Own the monetization platform roadmap, guide usage-to-invoice architecture, and grow a high-performing team. Requires SaaS engineering management and billing expertise.

LemFi seeks a Senior Software Engineer in London to build high-reliability Go backend services powering credit products for underserved communities. Requires fintech and credit domain experience, distributed systems expertise, and a strong correctness mindset.

Senior Data Scientist role at a fast-growing fintech in London. Build and deploy ML models for credit risk, fraud detection and collections optimisation using SQL, Python and cloud tools. Hybrid working with great benefits.

CreatorIQ seeks a Product Manager in London to own SafeIQ, its AI-driven brand safety system. You'll turn complex compliance rules into clear workflows, working with data science and legal teams. 4+ years of B2B SaaS product experience required.

Data Scientist (Credit) role in London to build and monitor credit scorecards using bureau, Open Banking and internal data. Requires 2-5 years in decision science within consumer lending, SQL skills and strong commercial judgement.

Founding Senior Software Engineer role in London to architect core systems, integrate LLMs and ML into production, and build scalable APIs. Requires 3+ years scaling production systems, strong backend fundamentals, and cloud/CI/CD experience.

Join a next-generation biopharma startup as a Full Stack Engineer in London. Work across TypeScript, React, Python and AWS to build a clinical trial platform. Competitive salary, stock options and flexible hybrid working.

Join Addepar as a Software Engineer on the Applied AI team in Edinburgh. Build AI-powered agents end-to-end using Python and LLM APIs, working directly with clients to ship production-ready solutions.

Lead Motive's UK product strategy as Staff Product Manager, owning the commercial roadmap and driving international expansion across Europe. Requires 7+ years in B2B product management, strong analytical skills, and London-based collaboration with engineering and GTM teams.

Senior Full Stack Engineer role in the UK building React and TypeScript interfaces for H Platform and HoloTab Chrome extension. Requires Chrome extensions, real-time streaming, design systems and Python API experience.