76 to 100 of 294 Software Engineer Jobs in London

Full Stack Software Engineer – Industrial Systems/Factory Operating Platform We are currently partnered with a rapidly scaling deep tech company transforming industrial manufacturing through distributed, software-defined factories. With operations already live across the UK, they are expanding quickly and looking to grow their engineering team … with a Full Stack Software Engineer to help build their proprietary factory operating system. This role is full time on site Key responsibilities Architect, design, and develop core systems powering factory automation, real-time data processing, and user-facing applications Own full-stack development across infrastructure, backend services ...

Security Engineer – Software Developer Java Location: Remote from UK Type: Contract Inside IR35 We’re looking for a Security‐focused Software Engineer to design and build secure, high‐quality backend services that power core cryptographic and security‐sensitive platforms. You’ll work across Java engineering ...

Lead Software Engineer - Platform London - 4 days onsite (Paddington) £110k - £140k + Benefits We're hiring for one of the UK's fastest growing fintech scale-ups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep ...

Software Engineer x 3 (React, TypeScript, Nextjs, Nodejs) £90,000 to £120,000 + equity London, Finsbury Park | 3 per week in office Neulinx have partnered with a 15 person, Series A London technology company building a developer first platform that enables modern product teams to embed powerful … their own applications. They’ve just secured a $10 million Series A round and are now scaling their engineering team, hiring three frontend-leaning Software Engineers to join their 8 person tech function. The product sits at the intersection of interaction design, real-time collaboration and scalable web architecture. ...

Full-Stack Software Engineer (Python/React) - Remote Full-Stack Software Engineer with strong Python (Flask Framework), React, and AWS experience is needed for one of our clients, an independent, research-tech startup that is transforming how the world evaluates and trusts academic research. This … great opportunity for any experienced Full-Stack Engineer looking to work in a high-growth, greenfield-leaning environment, or for someone ready to step up and take ownership of engineering delivery across modern cloud-native platforms. You'll be working closely with the Lead Engineers/Senior Engineers, helping ...

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 ...

Lead Software Engineer - Platform London - 4 days onsite (Paddington) £110k - £140k + Benefits We're hiring for one of the UK's fastest growing fintech scale-ups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep ...

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 protocol stack … software across next-generation wireless platforms. You’ll work on low-level through to higher-layer protocol development (L1–L4), contributing to the design, implementation and optimisation of 5G communication systems. For this Wireless Software Engineer (5G) role, we are looking for someone with: Strong experience developing ...

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 from … 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 ...

Software Engineer – AI Startup – Up to 85k 🚀🧠 💰 Salary: £50,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team … world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: 🔧 Build and ship high-impact software 🧠 Work on AI/LLM-powered automation tools used in production 🏗️ Help shape scalable systems and infrastructure 🌍 Work collectively across teams to push ...

Back End Software Engineer - SC Cleared Contract | Remote (occasional London travel) | £450/day (inside IR35) We're recruiting on behalf of a major government technology programme for a senior software engineer to help design and evolve high-performance, cloud-based systems that support critical public ...

Lead Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Security Clearance: SC cleared/eligible Lead engineering teams building modern, impactful digital services for the UK public sector. We're supporting a purpose-driven digital consultancy in hiring a Lead Software Engineer ...

Senior Software Engineer (Angular/Node.js/Terraform) Contract | Inside IR35 Rate: Up to £440 per day Duration: 3 months+ | Remote (with occasional travel to London) Start: ASAP Security Clearance: Active SC required About the opportunity Exalto Consulting is supporting a confidential client on a nationally significant programme … delivering secure digital services within a complex environment. We are looking for a Senior Software Engineer who can contribute across the full development lifecycle, with particular strength in modern Angular development, Node.js services and infrastructure automation using Terraform . This role sits within a multidisciplinary engineering team responsible ...

Hiring: Senior Software Engineer – Systems Improvement & Scale 🏢 Company: Car Planet 📍 Location: Enfield 🕘 Full-Time (Open to initial contract trial) Car Planet is a fast-growing car supermarket and automotive retail business building and running our own in-house platforms — including Autogrid (our core Dealer Management System), plus supporting … systems like Audiofy (call intelligence) and RoutePortal (logistics & routing). We’re looking for a senior, pragmatic software engineer to inspect, stabilise, and improve live, revenue-critical systems as the business scales. You’ll work hands-on with existing production systems to improve performance, reliability, and maintainability — without ...

Software Engineer (Python/React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Package A leading FinTech firm in London is seeking a talented Software Engineer to join its growing technology … could be working on: • Some of the world’s most performant ETL pipelines that deal with billions of data points every second • Software solutions/products with scale, reliability and latency considerations in mind • R&D work for functional programming (either pre-existing languages (such as Rust and Erlang ...

Software Engineer (Mid–Senior) | Energy Tech | London, Hybrid We are building the software layer for a decarbonised grid... code that directly controls EV chargers, home batteries, heat pumps. The platform uses ML to predict energy demand in real time and shift load to when power is cheapest … Real constraints, real consequences. Stack: Python, GCP, Typescript, Docker; they prototype in Figma and move to production fast. What they're looking for An engineer who's comfortable with ambiguity, moves quickly, and cares whether the thing they're building matters. You'll have genuine ownership ...

Software Engineer (Mid–Senior) | Energy Tech | London, Hybrid We are building the software layer for a decarbonised grid... code that directly controls EV chargers, home batteries, heat pumps. The platform uses ML to predict energy demand in real time and shift load to when power is cheapest ...

wide variety of financial services, including cross-border payments, institutional crypto liquidity, digital asset custody, and our enterprise-grade stablecoin RLUSD. As a Software Engineer at Ripple, you'll work on payment technologies, building scalable solutions that power the future of finance. Your primary responsibilities will … observability, ensuring Ripple products interact seamlessly with global banks and payment providers in a consistent and trustworthy way. We are looking for a software engineer passionate about learning and understanding the way a complex fintech system works end-to-end and can help drive forward the development. ...

Title: Software Engineer Client: Elite Buy-Side Fund Salary: Up to £140,000 + Bonus + Benefits Location: London (Hybrid) The Opportunity: Step into a high-performance role at the intersection of finance and technology. As a software engineer you will develop and optimise critical trading ...

Title: Software Engineer Client: Elite Buy-Side Fund Salary: Up to £140,000 + Bonus + Benefits Location: London (Hybrid) The Opportunity: Step into a high-performance role at the intersection of finance and technology. As a software engineer you will develop and optimise critical trading ...

Title: Software Engineer Client: Elite Buy-Side Fund Salary: Up to £140,000 + Bonus + Benefits Location: London (Hybrid) The Opportunity: Step into a high-performance role at the intersection of finance and technology. As a software engineer you will develop and optimise critical trading ...

dedicated to accelerating the transition to greener energy. They pride themselves on cultivating an innovative and collaborative environment. Role Looking for a .NET software engineer to help design, implement and maintain applications for interfacing with energy markets. The ideal candidate will have an understanding of trading systems, algorithms … market data, coupled with strong technical expertise in software development. Key Skills Four plus years of commercial experience in programming languages .NET and C# Ability to work fully in office Stakeholder management skills- Excellent communication Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. ...

Software Engineer Tech Stack: C#, .NET, Python, AI Development, SQL, Azure London - Onsite Salary Range: £50,000 - £90,000 Harrington Starr has partnered with a boutique Investment Bank, with decades of experience and exceptional performance. They are currently seeking to hire a Polyglot Engineer possessing strong experience ...

Software Engineer – Infrastructure Onsite 5 days per week | High-growth AI Startup We are partnered with a fast-scaling, VC-backed AI company (over $30M in funding) that’s redefining how video security works in the real world. This is not your typical infrastructure role. You’ will ...