101 to 125 of 294 Software Engineer Jobs in London

Software Engineer (Python) | Climate Tech | London (Hybrid) We’re working with a high-growth startup building the infrastructure powering the next generation of energy systems. If you’re excited by real-world impact, ownership, and solving complex problems at scale — this is one to take a look at. … focused engineering role where you’ll be building systems that directly influence how energy is used, stored, and distributed. You’ll be working on software that connects to real-world devices, orchestrates them intelligently, and helps optimise energy usage based on cost and sustainability. It’s fast-paced, hands ...

Title: Software Engineer (Embedded Systems) Key Responsibilities: Design software solutions for embedded systems. Implement and test software in both Assembler and C, including unit and continuous integration testing. Implement, integrate, and optimize sonar signal processing algorithms. Develop high-quality software solutions by writing efficient, maintainable … verification teams for integration, defect analysis, and resolution. Review design and code from peers, contributing to a culture of learning and feedback. Contribute to software architectural design, preferably using UML and the Enterprise Architect tool. Estimate workload and assist in building a backlog of work packages for progress tracking. ...

Position: Embedded Linux Software engineer Location: London, UK (Hybrid - 3 days per week onsite) 6-12 months contract position A Day in the Life Work within our highly technically diverse multidisciplinary teams (application software, embedded, computer vision, cloud platform, etc.) Support the development and productization … hardware team to build and maintain compatible kernels/drivers for our hardware platforms. Architect, develop, test, and debug system services and hardware-dependent software applications. Coordinate and conduct code reviews for embedded software. Contribute to the software infrastructure to ensure seamless software deployments. Participate ...

Senior Software Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 2 days in the office which is located near Liverpool Street £70,000 - £90,000 If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this … progression and the chance to help shape both the product and engineering direction. You'll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture. The Role As a Full Stack Engineer, you'll design ...

Product focused Senior Software Engineer – High-Impact Software, Real Ownership London - Onsite Extremely competitive salary ranging between £100,000 to £200,000 depending on experience. Plus excellent benefits. This isn’t a bog standard software engineering role! I’m working with a product-led software … platform is used globally by highly technical users to solve real, complex problems in web security technology. They’re looking for Product focused Senior Software Engineers who care deeply about outcomes over output - engineers who want genuine ownership, autonomy, and the chance to build software that truly matters. ...

your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about … complement Ripple’s Payments, Custody and Stablecoin business units WHAT YOU’LL DO: Be an ambitious builder, working up and down the stack, mixing software engineering, data engineering, and distributed systems knowledge to build modern enterprise payment applications. Build reliable, high-throughput, low-latency microservices to power a diverse ...

Senior Developer | Senior Software Engineer C#, .Net, Typescript, JavaScript Hybrid, 1-2 days near Liverpool Street Salary, £85,000 to £95,000 + benefits If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, please read … progression and the chance to help shape both the product and engineering direction. You'll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture. The Role As a Full Stack Engineer, you'll design ...

Java Software Engineer – Data Engineering Up to £70,000 + bonus and benefits 4:1 hybrid in office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with ...

Senior Software Engineer Reference: BH-377p Working Hours: Full-time Job Type: Permanent Salary: Competitive Location: Remote or Hybrid - London office About The Client: Our client is a rapidly growing Infrastructure-as-a-Service (IaaS) provider driving digital transformation. Key Responsibilities: Architecture & System Design Design and evolve scalable ...

Senior Software Engineer (JVM based ecosystem/Backend leaning) £90,000 – £120,000 | London (Hybrid – 3 days in office) The Opportunity We’re partnered with a scaling, venture-backed SaaS business delivering a mobile-first platform used by large distributed workforces across global enterprise organisations. This … workflows, and integrate workplace tools into a single platform used by large global enterprises. Customers include large brands operating at significant scale, meaning the software is used daily by large, distributed user bases. The Engineering Environment & Culture You’ll be joining a company of around 130 people in total ...

Senior Software Engineer (Full Stack, TypeScript) £100k–£120k | London (Hybrid) I’m working with a high-growth consumer technology company building a platform used by thousands of customers across London every day. The business operates in the rapid-delivery/convenience commerce space, combining logistics, retail and technology … with product, marketing and leadership to ship features that directly impact customer experience and commercial performance. They’re now hiring a Senior Full Stack Engineer to help build the next generation of their consumer platform. Quick overview • Salary: £100k–£120k • Location: London (hybrid, 3 days in office) • Stack: TypeScript ...

Electronic & Software Design Engineer West London £60000 - £65000, Annual Bonus, Hybrid Work (WFH), Pension, Medical insurance, Life Assurance, Monday Friday 8.30 am 5.00 pm (flexible) Technical Focus: Analogue & Digital Circuit Design, PIC Microcontroller Programming (C/Assembler), Altium PCB Layout, DFM, and Regulatory Compliance (EMC/… role offers a rare opportunity to oversee the full product lifecycle from on-site manufacturing to international distribution. The Job As an experienced Electronics Engineer proficient in PIC microcontroller coding, you will join a small team developing products from concept to manufacture. You will manage designs from initial specification ...

Senior Software Engineer - Golang - Go - Product - TDD – paying up to £550 (Outside IR35) – Hybrid – 3 months We’re a mission-driven tech company that builds products to help people make confident decisions about their finances and everyday services. They are looking for a strong Go Developer ...

C++ Software Engineer – High-Frequency Trading A systematic trading firm of similar calibre to leading names in the space is seeking exceptional C++ Software Engineers to join its world-class engineering team. This is a hybrid position, open to candidates based in London or has the right … code for speed and reliability under production workloads Collaborate closely with traders, researchers, and fellow engineers to develop scalable infrastructure Work across the full software lifecycle in a fast-paced, agile environment Key Requirements: Strong proficiency in modern C++ (C++17 or later) Deep understanding of systems programming, multithreading, memory ...

Principal Software Engineer About the Company: A publicly-traded fintech (NYSE-listed) operating one of the world's most-visited platforms for finance news and data, serving millions of users globally. The engineering team is responsible for infrastructure that handles high-volume real-time market data and powers … that directly impact system performance and user experience. Requirements: 8+ years backend development experience with demonstrated technical leadership as Lead/Staff/Principal Engineer Deep expertise building and operating large-scale distributed systems in production Polyglot engineering background; strong proficiency in Node.js or Golang preferred Hands-on experience ...

Senior Software Engineer Location: London (Hybrid/On-site) Salary: £100,000 – £150,000 + equity About the Company We’re working with an early-stage, venture-backed legal technology startup on a mission to transform one of the UK’s most broken consumer experiences: the legal process … foundation for navigating regulation while moving quickly in a traditionally slow industry. The Role This is an opportunity for a Staff or Senior Product Engineer to join as one of the earliest engineers in the business. You’ll be part of a small, high-calibre team of generalists ...

Senior Software Engineer (Generative AI Platform) - 6-Month Contract - £650/day (Outside IR35) Location: Europe (Remote-first) Rate: £650/day Duration: 6 months (high likelihood of extension) A cutting-edge engineering team is building a next-generation GenAI platform that empowers autonomous software-engineering agents … contract for you. What You'll Be Working On Designing and developing Go (Golang) services powering a scalable GenAI engineering platform. Building autonomous AI software-engineering agents capable of coding, reasoning, and executing tasks end-to-end. Developing agentic workflows that enable multi-step planning, orchestration, evaluation, and self ...

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no periods ...

Senior Software Engineer (Backend) Series A | eCommerce x Fintech | Meaningful equity Buying clothes online still isn’t a great experience. Sizing is inconsistent, returns are costly, and customers are often left guessing. Yet despite all the innovation in eCommerce, this problem remains largely unsolved. We’re working with … here is the chance to build something that matters, in a team where your contribution is visible from day one. If you’re an engineer who enjoys building real products, solving meaningful problems, and working in an environment where ownership and impact matter more than process, this is worth ...

Senior Software Engineer (Node.js & React Native) Permanent role 🚀 📍 Central London (4 days in-office, 1 day WFH) 🧠 Senior level (5+ years) 💼 Full-time 💸 Up to 95k Join a fast-growing fintech powering co-branded card programmes for leading travel and hospitality brands like Marriott International and Hilton. … payments infrastructure, and embedded loyalty to help partners unlock new revenue streams and deepen customer engagement. I am looking for a hands-on senior engineer who can: - Architect and scale backend services in Node.js - Lead development of a React Native app (iOS & Android) - Own technical direction across projects - Mentor ...

Senior Software Engineer (Generative AI Platform) - 6-Month Contract - £650/day (Outside IR35) Location: UK or Europe (Europe preferred - remote-friendly) Rate: £650/day Duration: 6 months (strong extension potential) A high-performance engineering group is building a next-generation Generative AI platform designed to enable … autonomous software-engineering agents and fully agentic workflows . This is a rare opportunity to operate at the frontier of AI-for-coding , working with emerging tools and shaping what engineering will look like in the next decade. If you're excited by LLM-powered development, agentic reasoning ...

This role is ideal for a Lead Engineer or Principal Software Engineer who is ready to step into a hands-on Engineering Manager position. It offers the chance to combine technical leadership with active contribution to engineering delivery. The current tech stack includes Python, Django, TypeScript ...

Senior Software Engineer Reference: BH-377p Working Hours: Full-time Job Type: Permanent Salary: Competitive Location: Remote or Hybrid - London office About The Client: Our client is a rapidly growing Infrastructure-as-a-Service (IaaS) provider driving digital transformation click apply for full job details ...

Senior Software Engineer - (9 month contract) Salary: Negotiable Shift: Days Mon-Fri Location: Remote - Can live anywhere We are recruiting for an innovative market leader within the industry who are a major player in their field, miles ahead of the competition click apply for full job details ...

Senior Software Engineer Salary: £75k-£110k (plus attractive bonus on top) Location: London or Leeds (relaxed about hybrid or remote working, if preferred) My client is a specialist provider of sports pricing and trading technology, developing advanced simulation-based models and risk tools that underpin the performance ...