51 to 75 of 144 Software Engineer Jobs in London

Title : Senior Software Engineer (Compilers) Company : HPC & AI Location : London (primarily remote) Compensation : Up to £190,000 Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because … leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position with an emphasis on AI Compiler development. You will be a significant hire and will own much of the development ...

Title : Senior Software Engineer (GPU Drivers) Company : AI Acceleration Location : London (very flexible WFH) Pay : Up to £160,000 + bonus and benefits Company : An advanced HPC R&D firm, looking to expand their GPU Driver team. Most of the team are ex-Big-Tech, ex-FAANG … leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position. You will be a significant hire spearheading much of their 2025 development. Much of the team will be built around ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Software Engineer Are you excited to build reliable, secure software that supports global experiences and events? Do you enjoy learning from others while taking … attendees and exhibitors through organizing events. Innovation, creativity, and collaboration drive the company to offer exceptional services to clients. About the Role As a Software Engineer, you will contribute to building and improving backend services that are performant, resilient, and secure. Working closely with senior engineers, product partners ...

Principal Software Engineer/Developer (Python AWS) London/WFH to £150k Join a high-growth, VC-backed Fintech building a market-leading analytics platform used by Hedge Funds, Asset Managers and global financial institutions. As a Principal Software Engineer, you will play a pivotal role … shaping the technical direction of a large scale cloud-native platform, xkybehq combining hands-on software develop Are you the right applicant for this opportunity Find out by reading through the role overview below. Please click on the apply button to read the full job description ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Software Engineer, Full Stack - AI Fitch Group is currently seeking a Senior Software Engineer, Full Stack-AI based out of our London … that deliver world-class innovative solutions to Fitch Group internal and external customers. This position will be within one of our agile teams delivering software products for our BMI business. What We Offer: In this position, you will have the opportunity to be a part of an exceptionally talented ...

Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced … Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python, excited by financial technology, and eager to build meaningful systems from the ground up, we want to hear ...

Lead Software Engineer - Python (Django) - SC Cleared - Contract Rate : Up to £750 per day (Umbrella) Duration : 12 months Location : 40% office based (London, Manchester, Birmingham, Cardiff, North East) IR35 : Inside Security Clearance : SC (essential) The role :A government organisation is seeking a Senior/Lead Software Engineer … Strong communication and technical leadership skills Experience in secure/regulated environments (e.g. government, defence) SC clearance (or eligibility) essential 5-10+ years' software engineering experience (ideally senior/lead level) If you are available and interested, please apply in the first instance and you will be contacted ...

Backend Software Engineer/Developer (Rust Low Latency HFT) London/WFH to £160k+ Do you have expertise with backend, low latency software engineering? You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely profitable High Frequency ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Software Engineer I (JavaScript) Ready to build intelligent, high‐impact applications that push the boundaries of modern JavaScript and AI tooling? Do you thrive … about using AI tools to help design, write, test, and improve software. About the role: We are seeking a talented and self-motivated Frontend Software Engineer with strong skills in React and Node.js and a collaborative mindset. You will work as part of a cross-functional product development ...

companies worldwide, and we’ve grown into a global company of 1,800 people across 12 offices worldwide, with headquarters in London and Boston. Software Engineer – Billing Team Are you a Software Engineer who thrives on real ownership? At Perk, you’ll own the entire lifecycle … coding standards across the stack. Frontend Strategy: Establish frontend architecture patterns, state management, performance budgets, and comprehensive testing, including E2E/Cypress. Backend Excellence: Engineer sophisticated backend solutions involving API versioning, caching strategies, and complex data migration plans. Operational Maturity: Lead observability and SRE practices; define SLOs, manage incident ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Software Engineer II - Data Engineering Are you passionate about designing scalable data solutions? Do you thrive on transforming complex datasets into reliable, high‐impact … scalable, secure, and production-ready AI services - enabling downstream teams to integrate cutting- edge GenAI features. About the role: We are seeking a Senior Software Engineer II with a passion for generative AI and platform architecture. In this role, you will drive architectural decisions and set engineering standards ...

Software Engineer to oin a fast-growing Banking SaaS provider building next generation core banking technology. We are looking for Software Engineers with experience in Node.js/TypeScript/JavaScript, .NET/C#, or Java. You will work directly on customer problems, understand the business context ...

Software Engineer to oin a fast-growing Banking SaaS provider building next generation core banking technology. We are looking for Software Engineers with experience in Node.js/TypeScript/JavaScript, .NET/C#, or Java. You will work directly on customer problems, understand the business context ...

operations in real time, cutting costs and carbon today while building the foundation for the next industrial revolution. We're looking for a Senior Software Engineer to join our platform team and help us push the boundaries of what AI can do for the planet. … research teams. We operate as one cohesive unit, sharing tech stack, knowledge, and objectives. Our focus spans from fundamental ML research to commercial‐grade software development, offering diverse learning and impact opportunities. Why this role exists Carbon Re is scaling deployments from a handful of sites to dozens ...

Embedded Software Engineer (C++/Linux) Remote, UK We're supporting an established, profitable technology company with international engineering teams, developing software for embedded and edge devices operating in resource-constrained environments. This is a systems-level software engineering role focused on Linux-based devices … cloud, or enterprise applications. The team are particularly interested in engineers who have developed software running directly on Linux-based devices and understand how software, hardware, networking, and operating systems interact within a complete system. This role will suit engineers who have built software that runs directly ...

looking for a Senior Embedded Software Engineer to develop advanced, real-time software solutions for complex systems. You will be responsible for delivering software from initial concept through to fully verified solutions, working across the full development lifecycle. Key Responsibilities Design, develop, and maintain high-quality … software using best engineering practices Take ownership of software development from requirements through to verification and validation Support and enhance existing software in line with evolving project and customer needs Contribute to system architecture, design reviews, and technical decision-making Collaborate with multidisciplinary teams including systems, hardware ...

Software Engineer – Chemistry & Data Integration Full time in-office (London) About the Company We are working closely with a rapidly growing Scientific SaaS company who have developed a unified LIMS platform to support enterprise R&D teams. Their platform is used by R&D teams in chemicals, material … connect lab systems, and apply advanced analytics and AI to accelerate innovation. Joining this company means working at the intersection of science, data, and software, where your work has a direct and visible impact on how real-world R&D is done. They require a Software Engineer ...

Senior Software Engineer | £800/day Inside IR35 | Contract | London – 3 Days Onsite Industry: Commodity Trading Location: London – 3 Days Onsite Job Type: Contract Our client is a global commodity trading organisation undergoing a major technology transformation focused on AI-driven engineering, operational automation and modernisation of legacy … related workflows. This role is suited to engineers who enjoy solving complex technical problems, rebuilding legacy workflows using modern technologies and working across software engineering, cloud infrastructure and AI tooling. What You’ll Be Doing Design and build scalable cloud-native applications and operational tooling. Develop AI and agent ...

Senior Software Engineer Location: UK Remote/Hybrid Salary: up to £80,000 ABOUT THE COMPANY Financial Times' fastest-growing software company in Europe, this is an AI and automation platform — used by thousands of people, every single working day. Founded in 2020, they've grown … engineering stream Writing maintainable, predictable, scalable code (and expecting the same from others) Conducting code reviews that improve both the code and the engineer who wrote it Mentoring junior engineers on implementation, design patterns, and engineering practice Identifying and resolving systemic technical issues, not just isolated bugs Improving deployment ...

Graduate Software Engineer () We're partnered with a talent-dense specialist consultancy based out of Newcastle that are looking to grow its Software Engineering team. They're a spin-out of a major hedge fund, and specialise in delivering on projects which require top percentile software … move to Newcastle & travel the UK Base (55/75K) + Bonus + Benefits This is a top opportunity to launch your career in Software Engineering. You'll be earning, saving money and building your future. The client is one of the top compensators in The North. ...

Lead Software Engineer - Python - Django - Government - SC Clearance - 12 month contract I am looking for a number of experienced Software Engineers to join a busy programme with a central government department developing and improving scalable, and user-centred commercial controls tools. Due to the nature ...

Graduate Software Engineer (55,000 - 75,000) We're partnered with a talent-dense specialist consultancy based out of Newcastle that are looking to grow its Software Engineering team. They're a spin-out of a major hedge fund, and specialise in delivering on projects which require … percentile software engineers. You'll be joining a team with Ex-Jump Trading , Rokos and CME Engineers . The company were founded in 2024, and has a brand new office in the heart of Newcastle. They primarily serve the finance and defence sectors in the UK, both of which ...

Senior Software Engineer (AI Products) | London | Remote-first | Greenfield AI Native Product Development Location: London (remote-first - in office 1x a fortnight) Salary: £90,000 - £110,000 Tech stack: Flexibility with technical background, provided candidate is fluent in modern technologies such as: Python Golang Modern JavaScript frameworks LLMs … greenfield initiatives without the funding uncertainty, chaos, or risk that often comes with an early stage startup. They're looking for an experienced engineer who has already shipped AI powered systems into production and can operate with a high degree of autonomy. You'll join a small, experienced team ...

Senior Software Engineer Central London - Hybrid £100,000 - £125,000 + Bonus/Equity I'm working with a genuinely impressive AI engineering company building advanced systems within the Defence, Security and National Resilience space. Their engineering team is small, highly capable and intentionally low on bureaucracy. They … looking for Senior Software Engineers who enjoy solving difficult technical problems and want genuine ownership over what they build. This is not a narrowly defined role. Engineers here contribute across distributed systems, cloud infrastructure, deployment, platform engineering, agent frameworks and multimodal data environments. The focus is on building robust ...

Software Engineer (DV Cleared) London/Cheltenham/Manchester/Ipswich | 5 days onsite A leading global technology company is expanding its specialist security engineering capability and is seeking DV-cleared engineers to help build and operate modern, highly automated platforms supporting critical environments. The Role … work in a software-defined, automation-first environment , designing and delivering scalable platforms using modern engineering practices. This includes building CI/CD pipelines, implementing Infrastructure-as-Code, and embedding security principles into development from day one. Key Requirements Strong software development background (e.g. Java, Python, C#, etc. ...