1 to 25 of 35 Senior Software Engineer Jobs in Central London

Senior Product Engineer | Senior Software Engineer | Full Stack Engineer | Senior Software Engineer 🌍 Climate Tech Startup Scaling Real-World Carbon Removal 💰 Up to £95,000 + Equity 💻 C#, React, Python, Azure 📍 Hybrid/Flexible | London Waterloo We’re partnered with … most interesting climate tech startups in the UK right now, a company building software and infrastructure to help scale large-scale carbon removal and sustainability initiatives globally. The business is entering a major growth phase and is building out a high-calibre engineering team to support that growth. They ...

Senior Software Engineer | Media/Subscription | Headless CMS/Paywall Role: Senior Software Engineer Salary: £80,000 plus £10,000 bonus Remote working: 2 days in London office I am working with a B2B Start Up who are looking to hire a Senior Software Engineer to step into a more senior leadership position in their company to bridge the gap between complex technical execution and commercial strategy. The Opportunity You will own the technical architecture and roadmap for a business with a massive digital footprint, over 100,000 daily ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 2 days remote and 3 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background … Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. ...

Senior Software Engineer £75,000 – £85,000 + Bonus & Benefits Hybrid | Central London (1 day per week) We're working with a scaling, mission-driven consumer app business to find a Senior Software Engineer to join a small, high-ownership engineering team. They … product is a consumer app used by hundreds of thousands of customers globally, and the engineering team deploys multiple times a day. As a Senior Software Engineer, you'll work comfortably across both backend and frontend, with a natural lean towards backend design and architecture. The team ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … 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 ...

Senior Software Engineer : £650 Inside IR35 : Hybrid London (3x per week) : Banking client A major UK bank is seeking Senior Software Engineers to support on a major transformation project to rebuild the payment system, replacing their existing enterprise solution. The new product will support … Apply now or reach out directly to find out more. Due to the high volume of applications, not all applicants will receive feedback. Lead Software Engineer : £650 Inside IR35 : Hybrid London (3x per week) : Banking client ...

Senior Software Engineer Are you a developer who loves building products, not just features? Do you thrive at the intersection of robust backend logic, intuitive frontend interfaces, and conversational AI? Are you excited to join a fast-growing, seed-funded startup transforming construction procurement? If you want … small, ambitious team of 10 that moves fast, trusts each other, and enjoys building genuinely impactful technology. Your Role As a Senior Software Engineer you won’t just be ticket-crunching. You will own the end-to-end experience of our platform. You’ll be responsible ...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop ...

Senior Software Engineer – AI/Agentic Systems London (Hybrid) We’re partnering with a cutting-edge AI startup redefining how intelligent systems operate at scale. Their mission is ambitious: to push the boundaries of agentic AI and build platforms that automate complex, multi-step human workflows—unlocking … alongside world-class AI talent, and directly shape a platform sitting at the intersection of research and real-world deployment. The Opportunity As a Senior Software Engineer , you’ll play a key role in building and scaling an enterprise-grade AI platform. You’ll operate ...

Senior Software Engineer – Python, AWS, SQL Location: London - Hybrid (2 days per week on-site) Salary : Up to £100,000 Type: Permanent, Full-Time We’re partnering with an exciting, fast-growing technology business that’s tackling complex, real-world challenges with cutting-edge engineering. They … looking for a Senior Engineer (IC3) to play a key role in designing and delivering high-impact, cross-service features within a modern, distributed platform. What you’ll be doing: Leading the design and delivery of complex, scalable systems across multiple services Making pragmatic architectural decisions ...

Senior Software Engineer (TypeScript/Python, FinTech, AI) London (Hybrid) £95,000 The Opportunity Join a high-growth, regulated fintech building next-generation infrastructure at the intersection of traditional finance and digital assets . The platform enables institutional clients to trade, tokenise, and manage real-world financial ...

Title: Senior Embedded Software Engineer Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier-one supplier specialising in advanced technology systems, primarily … Smart Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer , you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software ...

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role … with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept ...

Senior Software Engineer — London, UK (Permanent) Hybrid role based in London with 3 days onsite per week, embedded within a high-profile global consumer brand's delivery team Requires 5+ years of full-stack software engineering experience with strong proficiency in at least two languages such ...

Senior Software Engineer - Foodtech Start-up London Hybrid- 2 days in office (3 can be remote in UK) £60-70k + equity This job opportuinity is workin for one of the most exciting early-stage foodtech startups in London right now, building the operational and logistics … infrastructure behind modern workplace catering.Having rapidly scaled and tripled revenue over the past two years, they’re now hiring a Senior Full Stack Engineer to help build the next generation of the platform from the ground up. This is a genuinely high-impact opportunity within a fast-growing ...

design Apache Kafka PostgreSQL Git/GitHub workflows Experience with Kubernetes deployments; able to build CI/CD pipelines About you (ideally): As a Senior Software Engineer/Platform Engineer you’ll be integral to our client facing delivery teams, working with clients to design ...

Full Stack Software Engineer | London | £70,000 - £100,000 + Equity | Python | TypeScript | AI Product Location: London, hybrid working (typically 1 day per week) There are a lot of companies talking about AI right now. Far fewer are building products people genuinely use every day, with real commercial … building products that solve real problems and being part of an engineering team that raises the bar, this is worth a conversation. Full Stack Software Engineer | London | £70,000 - £100,000 + Equity | Python | TypeScript | AI Product ...

looking for a Senior Software Engineer to join a growing team building smart, scalable tools used by professionals across a range of industries. You'll work onsite in London, helping shape robust backend services and responsive user experiences using React, NextJS and NodeJS. What ...

working with a leading global bank to hire a Senior Software Engineer to join a high-performing technology team supporting mission-critical systems. This is a hands-on role for an experienced engineer who enjoys working close to the business, shaping technical design, and delivering robust … .NET Solid understanding of system architecture, data and message-driven systems Experience in financial services with Fixed Income exposure highly desirable Confident, hands-on engineer with strong problem-solving skills Comfortable working on high-impact, business-critical platforms Why apply? Join a globally recognised institution with a strong growth ...

Backend Engineer 📍 London, England (Hybrid) 💼 Permanent My client is looking for a Backend Engineer to join a growing engineering team building modern, cloud-native products that directly impact customer experience and business growth. This is a hands-on role for someone who enjoys solving complex technical problems, collaborating … ownership and cares deeply about delivering quality solutions. You’re naturally curious about modern engineering practices and emerging technologies, particularly how AI is shaping software development, but you apply these tools thoughtfully and pragmatically. You’re comfortable operating in fast-paced environments and making sound decisions even when there ...

Senior Java Developers x 5 – Banking Contract: 12 months Rate: £775 per day (Inside IR35) Location: 3 days onsite in Canary Wharf , 2 days elsewhere in London (hybrid) Overview We are seeking an experienced Senior Java Developer with strong banking/financial services experience to join a high … core banking systems. You will work in a fast-paced, agile environment building highly scalable and resilient backend services. This role suits a senior engineer comfortable working in complex, regulated environments and contributing to architecture and technical direction. Key Responsibilities Design, build and maintain high-performance Java microservices ...

Senior Java Engineer/SRE London (Hybrid) The company A well-established global fintech business operating large-scale trading platforms across multiple asset classes including equities, leveraged products, futures, options, and digital assets. Their technology supports a significant international client base and processes high volumes of real-time … engineering, platform resilience, and product growth, with a strong focus on modern systems, high standards, and sustainable delivery. The role This is a senior engineering opportunity within a specialist Site Reliability Engineering team focused on performance, uptime, and operational excellence across a business-critical trading platform. The role combines ...

Embedded Software Engineer | UK (Hybrid) My client is an innovative technology company developing advanced hardware and networking solutions for high-performance computing environments. Theyre looking for Software Engineers to build embedded and host software for high-speed systems, working closely with hardware teams to deliver production … ready solutions from early prototypes. Responsibilities Define software architecture with cross-functional teams Develop embedded software for network interface hardware Linux PCIe driver development Build network control and monitoring tools (server/client) Enhance DevOps and CI/CD pipelines Requirements Strong embedded software development experience Experience ...

Senior Systems Engineer | Rust 📍 London/Hybrid 💰 £140k – £250k + Performance Bonus + Equity This client is building high-performance infrastructure powering decentralised markets. The engineering environment is extremely lean, operating in domains where execution speed, system reliability, and infrastructure quality are vital. Engineers are responsible for designing ...

Senior Full Stack Developer Salary up to £150,000 Office Location - Paddington Join our exceptional team as a Lead Full Stack Engineer and become a valued member of our expanding team. Together, we are at the forefront of driving innovation and progress in our cutting-edge digital platform. … This platform powers a diverse range of applications. Responsibilities: Embrace a hands-on coding role, diving deep into software development. Create highly scalable software solutions to enhance functionality and durability. Collaborate closely with the wider team to refine requirements, ensuring feasibility and pragmatism, and validate development tasks ...