126 to 150 of 291 Software Engineer Jobs in Central London

Software Engineer Remote-first (UK) £70,000–£80,000 + equity About the Company They're a fast-growing company helping homeowners improve energy efficiency, reduce bills, and cut carbon footprints. Their platform manages complex home retrofit projects from assessment to installation, using data-driven tools and automation ...

Senior Software Engineer Full Stack - Ruby on Rails, React Up to £120k DOE Fully Remote - must be UK based A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Senior Full Stack Engineer . This … pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction, and still remaining hands-on in the codebase. As a technical leader within a cross-functional Product Team, you’ll influence the long-term engineering strategy, guide architectural decisions, and ensure the platform scales reliably ...

Senior Software Engineer – London (Hybrid) Join a small, elite engineering team building category-defining SaaS for one of the world’s most high-stakes industries. We’re a fast-growing London startup founded by industry veterans who saw firsthand how outdated, manual and chaotic private-market workflows still … expanding our team to deliver a multi-product roadmap and ship the next wave of innovation. 🔍 Who You Are You’re a senior engineer who loves solving hard problems, working in a tight, high-performing team, and building software that actually changes how an industry works. ...

Senior Engineer | Full-time | London (On site) | SAAS Salary : £competitive + share options + 8% pension + private healthcare Location : London (hybrid) Sector : Cyber Security Skills : AWS, Serverless, Lambda, IaC, CICD, Java/Node/Python etc, AI Literacy, Front End Engineering This is a chance to join … team where engineering and product thinking go hand in hand. As a Senior Software Engineer (Full Stack) here, you won’t just be writing code - you’ll be shaping how the product works, solving complex problems, and contributing to decisions that influence millions of users. From ...

Principal Software Engineer | Front End (React) | London, Hybrid Our client is a forward-thinking global firm redefining the future of finance through technology. They are looking for a Principal React Engineer who can set the technical direction for the front-end, champion best practices, and still enjoy … ego. Curious, always learning, and keen to improve both the codebase and the way the team works. If you are interested in this Principal Software Engineering Role , please respond to this advert directly with your updated CV or email it to chantelle.smith@sourcegroupinternational.com ...

Senior Software Engineer - Python Permanent – Hybrid Working £70,000 - £80,000 base plus package We are currently recruiting a Senior Backend Engineer to join a talented engineering team, building highly scalable backend services that power exceptional customer experiences. This is a role where your technical expertise will ...

Senior Software Engineer (Kotlin) 💰 £85,000 - £95,000 + bonus + excellent Benefits 📍 Hybrid - 2 days onsite in Central London (Zone 1) Are you a JVM engineer curious about Kotlin – or already loving it? Want to solve complex problems that contribute to a greener, more sustainable world ...

Software Engineer (Backend) – Java London, UK up to 100k + equity You’ll be joining a high-calibre engineering team building the backend systems that power a next-generation, AI-driven wealth management platform. This is a role for an engineer who wants meaningful ownership: designing distributed ...

Senior Software Engineer – Help Build the Financial Backbone of the Non-Profit World | £85k–£95k | 5 Days Onsite (London) One of the most unique early-stage startups hiring in London right now is looking for two mission-driven Senior Engineers to help redefine what giving looks like ...

Staff Software Engineer (Python/Rust/C++/Golang) 📍 London - Hybrid (3 days onsite) 💰 Up to £160,000 base + 25% bonus + equity We’re building the next generation of real-time, low-latency data systems - processing billions of transactions globally. This is a hands … Staff Engineer role where you’ll take on complex challenges in distributed, event-driven architecture, focusing on scale, performance, and reliability. Why You’ll Love It Build and optimise real-time distributed systems at a global scale Lead deep dives into latency, throughput, and observability Stay close ...

Staff Software Engineer Location: Hybrid (1 day per week in London office) Compensation: £130,000 – £160,000 + meaningful equity An early-stage AI company is building a next-generation platform that helps professionals extract insights and automate workflows across large document sets. Their product combines structured data … maintainability while moving fast. Continuously learn and explore emerging AI technologies to keep the product ahead. What We’re Looking For Strong background in software engineering with a track record of building production systems. Proficiency in Python and comfort with modern backend frameworks and APIs. Experience in fast-paced ...

Graduate Software Engineer - Portfolio Management £45K - £55K + Bonus + Bens A small, high-performance team at the centre of a specialist reinsurance group are looking for several Computer Science/Maths graduates to join them in London. You will be joining a team that builds systems ...

Senior Software Engineer – 3D Graphics/Computer Vision London preferred | Full-time | Visa sponsorship available The mission Work at a stealthy 3D/graphics startup that turns real‐world objects into production‐ready, photoreal assets for film, games and real‐time experiences. Think: high‐end material capture … photogrammetry tools used behind the scenes by top studios, not off‐the‐shelf consumer software. The role You’ll be the go‐to engineer for 3D rendering and asset processing in a Windows desktop app that sits at the heart of the company’s pipeline. Expect deep work ...

Founding Software Engineer| DeepTech | On-site London | Up-To £180,000 + Equity A well-funded, early-stage AI infrastructure startup is tackling one of the most persistent bottlenecks in the physical world. The team is building the core AI systems that will enable the next wave … real-world, AI-driven innovation. They’re looking for a founding engineer who thrives on ownership, moves fast, and wants to help shape both the product and the company from day one. This is a hands-on role in a small, highly technical team where you’ll ship early ...

title: Senior Software Engineer – Automation Location: New Malden What you’ll be doing: Providing technical leadership by taking ownership of complex automation solutions, engaging with stakeholders and end users. Review and debug of complex automation scripts Provide specialist knowledge and subject matter expertise to members of other teams … Provision of support and oversight for the work of other team members Design solutions for deploying and configuring software and systems Develop and maintain software relating to automation of system build and deployment Perform investigations and identify appropriate solutions to emerging issues Answer technical queries about his/ ...

Senior Software Engineer | Climate Tech | London (Hybrid) A climate tech startup building tools that make clean energy the default choice is looking for engineers who enjoy deep technical challenges and want their work to create real-world impact. Their platform helps stabilise the grid by shifting energy usage ...

Senior Software Engineer City of London - 1 Day per week Insurtech/Climate About the role This organisation creates insurance products that support the transition to a low-carbon economy. The team is small, fast-moving and focused on modernising a traditionally slow sector. They use a flexible ...

Senior Software Engineer - AI Infrastructure We’re working with a hyper growth company. They are building the GPU infrastructure to the best ai labs and the biggest enterprise companies. They are building the solution that allows researches to focus on their models, while utilising the phenomenal scale … role for engineers who like big systems, hard problems, and meaningful ownership. You’ll be joining a team operating at the intersection of software, hardware, and AI. ...

Software Engineer (React) Central London - 4 days onsite £80,000-£100,000 (maybe scope for more) We’re looking for #1 engineering hire into an already established multi-million-pound turnover business. You’ll work directly with the founder to build React-focused solutions used by real customers ...

Senior Software Engineer (Golang-TypeScript-React) London - Hybrid Join a high-growth AI company building cutting-edge platforms used by engineering and research teams worldwide. We’re looking for a Senior Full Stack Engineer who’s strongest on the backend (Golang preferred) with solid TypeScript/React … cloud environments Comfortable working across backend, platform, and some frontend areas Able to explain architecture decisions and trade-offs clearly Pragmatic, hands-on engineer who enjoys working in smaller teams Nice to Have Experience with Python or ML-adjacent environments Exposure to Kubernetes or infrastructure-as-code tooling (eg. ...

Senior Software Engineer I- (C# .NET/Angular) Are you ready for the next step in your engineering career? Would you enjoy working on our cutting-edge products? About Our Team: We are strengthening our software engineering team to modernise our existing application stack, powering … Python, C#/.Net, SQL, AWS (EKS, S3, Lambda, CDK, etc.), Applied AI/ML libraries and frameworks. About The Role: We are hiring Software Engineers to work on modernising and enhancing a key product, LexisNexis® Classification. This product uses AI to read millions of patents globally and pull ...

supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into … proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing ...

supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into … proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing ...

seeking an experienced Senior Java Software Engineer to join the IT team at a leading bank, supporting the delivery, maintenance, and enhancement of core systems across various business areas, including operations, compliance, transactions, and client management. This is a 6-month contract role offering an excellent day rate … with experience in regulated environments, financial services, or government/public sector organisations. In this role, you will be an integral part of the software development lifecycle, working closely with Senior Java Developers, UI/UX teams, and Agile Transformation to architect, build, and deliver greenfield, brownfield, and integration ...

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, FIX Protocol and some Low Latency experience. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...