java software engineer jobs in London

Location - London with hybrid working availableAt LCP we love what we do, and it shows. We help our clients make good decisions based on insightful analysis, industry expertise, and game-changing technology. Working across a wide range of sectors, including pensions and benefits, investments, insurance, energy, health, sports, and data analytics, we help our...

Software Engineer – Data Platform TeamThe driving force behind Big Data at MimecastOverviewDive into the forefront of innovation with our Data Platform engineering team, where we process massive volumes of data to delight our customers with insights they love and fuel ML models with trusted data! Our pioneering Data Platform pushes on the boundaries of...

Remote-first (UK) with hybrid London office option Up to £170,000 + equity Typescript/Node, React, Golang, GCP/AWS - Your tech background is less important than how you lead teams solving complex technical challenges. Staff Product Engineer - We’re working with a rapidly scaling AI-native SaaS company who raised an impressive Series B round in 2025. Their...

Our platform is the video platform built for live, social and mobile. The cloud-based platform removes the traditional complexities of professional video production and distribution. Our platform works with the world’s largest broadcasters and rights holders including: Sky Sports, BT Sport, Eurosport, ITV, Turner, The Premier League, LaLiga, The FA,...

At Recycleye we are revolutionising Recycling. Our ground-breaking AI powers robots and optical sorters making waste sorting faster, cleaner and more profitable. With our advanced tech, the previously unsortable can now be sorted efficiently and effectively. Founded in 2019, we have grown rapidly ever since, with installations at leading waste management...

Location: London, hybrid - 3 days on siteStage: pre-seed, pre-launchRequired Skills: Python, Shipping ML models into Production, TypeScriptBuild the advertising infrastructure layer every brand in the world uses to influence AI agents.I'm working with an early-stage AI powered AdTech building the infrastructure for how advertising will work as AI agents...

OverviewSoftware Engineer (Python/Django) | up to £85,000 | Hybrid | HealthTech. An exciting AI HealthTech start-up, featured in the Sunday Times and BBC News, is rapidly growing across the UK, Europe and US. This role is key: you will own, improve and grow backend apps during a period of high scale.Stack: Python, Django, TDD, Airflow, AWS, Ansible and...

We're looking for a Senior Software Engineer to join a growing AI team and take ownership of the application and integration layer behind a new generation of AI-powered products.This is a genuinely full-stack engineering role, combining production-grade backend development, API design, AI integrations and frontend engineering. You'll work across the full...

At Scale AI, we’re not just building AI tools—we’re pioneering the next era of enterprise AI. As businesses race to harness the power of Generative AI, Scale is at the forefront, delivering cutting‑edge solutions that transform workflows, automate complex processes, and drive unparalleled efficiency for the largest enterprises. Our Scale Generative...

Software Engineer Salary:Competitive, negotiable based on experience, plus benefits including a 7% pension contribution, 25 days holiday, and life insurance Location:Portsmouth, hybrid working Sirius Digital is a trusted provider of expertise in Software Engineering, Data Science, and AI, supporting clients in the defence, nuclear, space, and energy sectors....

Join a leading wireless communications company – London, Hybrid Working Model This established engineering business is developing advanced 5G and mission-critical communications systems, delivering high-performance software solutions for global connectivity. The team are now looking for a Wireless Software Engineer (5G) to support the development of...

Why Engineering @loveholidays? At loveholidays we trailblaze together. We’re on a mission to open the world to everyone, giving our customers unlimited choice, unmatched ease and unmissable value for their next getaway. Our team is the driving force behind our role as our customers’ personal holiday expert – the smart way to get away. Technology at...

At ClearSpace, we believe in reusability, in affordability driving disruption, and that no progress is real unless it is sustainable. Our company was founded in 2018 out of the realization that in-orbit servicing and space debris removal are vital services for the future of space exploration and operations. Today ClearSpace has assembled an expert...

About the teamThe Payment Performance Team focuses on ensuring payments succeed and generates higher revenues for our merchants by maximizing conversion rates and minimizing fraud rates. The role utilizes ML and smart rules, and an experiment-driven approach to achieve gradual improvements.You will collaborate with MLEs, back‑end engineers, front‑end...

Powering Great Work We started as the place to find a trusted trade. Now, as we shape the future of home improvement, we're building the tech to transform that landscape for everyone - better products, smarter data, AI where it actually helps - so trades can spend less time on admin and consumers can find someone they trust, first time. That's Powering Great...

Lead Software EngineerLocation: London, E14 5RE / Canary Wharf - HybridJob Type: Full-TimeSkills: Lead Software Engineer, Laravel, React, Python, AWS, AI/ML, n8n, Claude Code, Cursor, Docker, Startups, DevOpsWe're looking for a Lead Software Engineer with a path to CTO to join our founding team in Canary Wharf. You'll lead technical direction across our...

This role is for engineers who are genuinely senior technically but still want to stay close to the code. Not managers pretending to be engineers. Not architects living in diagrams. Not “strategy-only” Staff Engineers. This is a deeply hands-on Staff Engineer role inside a very flat, AI-native product company. We’re partnering with a fast-growing...

View all jobs Software Engineer, Infrastructure London • Remote Engineering Remote • In office Full-time About Boltz Boltz is a public benefit company building the next generation of AI-powered molecular modeling tools to make biology programmable and accelerate drug discovery, while keeping frontier capabilities broadly accessible. Boltz-1, Boltz-2, and...

CDP is a global non‑profit that runs the world’s only independent environmental disclosure system. As the founder of environmental reporting, we believe in transparency and the power of data to drive change. Partnering with leaders in enterprise, capital, policy and science, we surface the information needed to enable Earth‑positive decisions. We...

React.js | TypeScript | Next.js | Product & AI-Focused We're partnering with an ambitious fintech scale-up entering a major growth phase as it expands its product offering and invests heavily in technology, AI, and customer experience. This isn't a role for someone who simply wants to build features. We're looking for an engineer who wants to help shape...