1 to 25 of 54 Permanent Senior Software Engineer Jobs in London

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 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 London (Hybrid) £90,000 - £100,000 Here at Data Idols, we're working with an innovative technology business that is scaling a cutting-edge AI-powered platform used by enterprise clients globally. As the platform continues to grow, they're looking for a Senior Software Engineer to play a key role in shaping its future architecture, scalability and technical direction. This is an opportunity to join a high-performing engineering team where you'll have genuine influence over architecture, technology decisions, product direction and engineering standards. The Opportunity As a Senior ...

Senior Java Software Engineer - Java Developer, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven … learning techniques. My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some ...

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 ...

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 - Search and AI Platform Are you passionate about building scalable, high-performance data-driven applications? Do you enjoy turning complex … scientific community so they can collaborate more effectively, work smarter, and deliver quality research more quickly. We are looking for an innovative, passionate Senior Software Engineer II to work as part of the teams building and enhancing our platform to deliver intelligent, scalable solutions that create real ...

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 (Java/Spring) Are you passionate about building scalable, high-performance data-driven applications? Do you enjoy turning complex datasets … scientific community so they can collaborate more effectively, work smarter, and deliver quality research more quickly. We're looking for an innovative, passionate Senior Software Engineer II to work as part of the teams building and enhancing our platform to deliver intelligent, scalable solutions that create real ...

Senior Software Engineer (Backend)London - Hybrid (3 days in office) Up to £85k + benefits What if the systems you built were used every day by millions of readers around the world? A long-established, AI-driven technology business is hiring a Senior Software Engineer … machine-learning-led products that operate at scale, helping publishers make smarter decisions around content, engagement, and audience growth. This is a hands-on senior role within a strong London-based engineering team, focused on backend systems at the core of the platform. The role Build and evolve backend ...

Senior Software Engineer Location: London, UK Working Environment: Hybrid (2 days on-site per week) The company is a leading financial data and analytics company and looking to hire a Senior Software Engineer with experience of working on the development of cloud databases. … Design, analysis and implementation of features in the data distribution platform. Ensure system reliability by implementing company and industry best practices. Implement workflow management software to automate operational tasks and optimize the utilisation of infrastructure and applications. Design and implement CI/CD workflows to maintain software quality ...

Senior Software Engineer (Cloud Infrastructure & DevOps) Location: London (Three days in office, two days wfh) Salary: £80,000 to £100,000 + Bonus My client is seeking a Senior Software Engineer to lead our cloud infrastructure and DevOps practices within the Developers' Team. They … DevOps expert Be one of the leaders in the migration toward microservices and ephemeral architecture Lead in infrastructure as code in sync with our Senior colleagues Establish and maintain CI/CD pipelines for the team's data and application projects, in particular for stg/prod Lead ...

Senior Software Engineer (Cloud Infrastructure & DevOps) Location: London (Three days in office, two days wfh) Salary: £80,000 to £100,000 + Bonus My client is seeking a Senior Software Engineer to lead our cloud infrastructure and DevOps practices within the Developers' Team. They ...

Senior Software Engineer - SC Cleared Location: London Salary: Up to £80,000 Clearance: Active SC Clearance and eligibility for DV To apply, email : Overview A leading organisation delivering operational cyber capabilities is looking for a Senior Software Engineer to join its growing technical team … highly secure, mission-critical projects supporting cyber operations in a fast-paced environment. The successful candidate will be responsible for designing, building, and maintaining software solutions used within operational cyber programmes, working closely with engineers, analysts, and technical stakeholders. Key Responsibilities Design, develop, and maintain software applications using ...

Title: Senior Software Engineer Job Type: Permanent Location: London, UK (Hybrid 3 days/week onsite) About the Role We're looking for a Senior Software Engineer to join an embedded delivery team supporting client's technology and product teams as a senior technical lead within an agile environment. What You'll Do Design, build, and maintain scalable, production-grade software across web, API, and data layers Own technical delivery end-to-end from requirements gathering through to deployment and ongoing support Integrate AI and automation capabilities into existing ...

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 … technical 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 ...

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 … technical 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 ...

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 … 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 ...

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 … create 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 ...

Senior Full Stack Software Engineer (TypeScript/JavaScript, Node.js, React, and Next.js) London £90,000 - £100,000 + benefits We're looking for a product led, Senior Software Engineer who can be the generalist in the team, bridge front and back, solve complex issues ...

Senior Software Engineer | Data Visualisation & Graphics | London London (Hybrid) Salary up to £200,000 + benefits Most engineers consume visualisation libraries. A small number build them. We’re working with a highly successful software company whose charting technology powers applications used by thousands of organisations worldwide … from global financial institutions to technology businesses and enterprise software providers. As adoption continues to grow, they’re looking for a software engineer to help build the rendering systems, charting components, and visualisation infrastructure that sit at the heart of the product. This is not a dashboard ...

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 … 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 ...

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 team is small enough that your decisions matter, large enough that you're not doing it alone. THE ROLE This is a senior, hands-on engineering role — not a stepping stone to management, though it can be if that's where you want to go. ...

world's money. For everyone, everywhere. More about our mission and what we offer . About the role We’re looking for a Senior Software Engineer II to join our Wise for Banks team and help shape the technical direction of the systems powering Wise’s global … liquidity within interbank payment networks. Our platform helps partners optimise liquidity, support seamless payments, and manage foreign exchange (FX) exposure at scale. As a Software Product Engineer, you’ll play a critical role in evolving this platform to support the next generation of global financial partnerships. ...

excellent opportunity to join one of the UK's leading software consultancie s , renowned for its strong presence in the public sector while also delivering private and SC-cleared projects. As a Senior Software Engineer, you will look to design, build, and deliver high-quality software … architecture, mentor junior engineers, and collaborate with cross-functional teams across public and private sector programmes. Key responsibilities include: * Designing and developing scalable, secure software solutions * Contributing to architectural decisions and technical direction * Mentoring junior engineers and promoting best practices * Working closely with Product, UX, DevOps, and QA teams ...

time to step into a role where you take real ownership of complex, high-precision technology? An innovative Oxfordshire-based company is seeking a Senior Software Engineer to help shape and deliver the software behind next-generation systems. This is a hands-on role combining technical … leadership with close collaboration across software and advanced hardware teams. You will play a key role in designing and developing robust applications that directly control precision hardware platforms. The position goes beyond feature delivery. You will influence architecture, strengthen engineering standards, support system deployments and mentor a small team ...

time to step into a role where you take real ownership of complex, high-precision technology? An innovative Oxfordshire-based company is seeking a Senior Software Engineer to help shape and deliver the software behind next-generation systems. This is a hands-on role combining technical … leadership with close collaboration across software and advanced hardware teams. You will play a key role in designing and developing robust applications that directly control precision hardware platforms. The position goes beyond feature delivery. You will influence architecture, strengthen engineering standards, support system deployments and mentor a small team ...

Senior Software Engineer is required by this B2B Fintech business as they look to improve their product platform offering and build on their client success. You'll be expected to drive technology improvements, and play a pivotal role in a small software engineering team. This … improvement of their platform, leading feature development, liaising with stakeholders and Product teams internally, working through the entire life cycle. Designing and implementing new software solutions, providing technical guidance to a small team, ideally offering experience across. Solid Python web development in a B2B product setting Django FastAPI/ ...