101 to 125 of 159 Senior Software Engineer Jobs in London

Senior C# Engineer City of London (On-site) Permanent | £90,000 – £120,000 We're partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer. You'll work on greenfield projects, cutting-edge technology, and play ...

Rust Software Engineer - Remote Summary Rust Software Engineers are responsible for developing and testing software using Rust in a cloud-based environment. You will work in an Agile methodology, collaborate with a SCRUM team, and interact with the Software Design team and Product Owner … shape the software click apply for full job details ...

Rust Software Engineer - Remote Summary Rust Software Engineers are responsible for developing and testing software using Rust in a cloud-based environment. You will work in an Agile methodology, collaborate with a SCRUM team, and interact with the Software Design team and Product Owner … shape the software. Skills • Proficiency in Rust development • Experience in large-scale software development in a defence domain • Knowledge of cloud-based development environments • Familiarity with Agile methodology • Hands-on experience with UML and Enterprise Architect • Understanding of virtualization, automated testing, CI/CD techniques, and configuration control • Ability ...

Senior Full Stack Engineer (React, Typescript, Node, AWS) HealthTech, up to £90k London (once or twice per fortnight in office) Troi Search are delighted to be partnering once again with this innovative & mission driven HealthTech client. We’re now looking for a Senior Full Stack Engineer … engineering standards Experiment with emerging tech like AI, computer vision, and advanced analytics What we’re looking for 5+ years building SaaS or enterprise software Strong experience with React, Typescript, Node & AWS Technologies Solid cloud and DevOps knowledge Comfort working in data-sensitive or regulated environments A pragmatic mindset ...

Senior Full Stack Engineer (React, Typescript, Node, AWS) HealthTech, up to £90k London (once or twice per fortnight in office) Troi Search are delighted to be partnering once again with this innovative & mission driven HealthTech client. We’re now looking for a Senior Full Stack Engineer … engineering standards Experiment with emerging tech like AI, computer vision, and advanced analytics What we’re looking for 5+ years building SaaS or enterprise software Strong experience with React, Typescript, Node & AWS Technologies Solid cloud and DevOps knowledge Comfort working in data-sensitive or regulated environments A pragmatic mindset ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines ...

looking for an experienced Senior Python Software Engineer to take ownership of an established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This ...

technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write clean, maintainable, and scalable code using PHP and frameworks like Symfony across ...

technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write clean, maintainable, and scalable code using PHP and frameworks like Symfony across ...

Senior Product Engineer - London | Full-time | Hybrid Are you ready to build technology that makes a real-world impact? Join a fast-growing, mission-driven tech company tackling complex social challenges with cutting-edge AI and a passionate team. About the Role: We’re looking for experienced product … with Ruby on Rails, Turbo, AlpineJS, TailwindCSS, AWS, PostgreSQL Experience integrating with LLMs like OpenAI and Claude Strong understanding of scalable architecture and pragmatic software design Comfortable working in cross-functional teams with PMs, UX, and data specialists A product-first mindset with a focus on customer outcomes Passion ...

Senior Product Engineer - London | Full-time | Hybrid Are you ready to build technology that makes a real-world impact? Join a fast-growing, mission-driven tech company tackling complex social challenges with cutting-edge AI and a passionate team. About the Role: We’re looking for experienced product … with Ruby on Rails, Turbo, AlpineJS, TailwindCSS, AWS, PostgreSQL Experience integrating with LLMs like OpenAI and Claude Strong understanding of scalable architecture and pragmatic software design Comfortable working in cross-functional teams with PMs, UX, and data specialists A product-first mindset with a focus on customer outcomes Passion ...

future where human well-being is safeguarded while closing the gaps in critical global labour needs. About The Role We are looking for a Senior/Staff Software Engineer (Data) to help transform our rapidly growing universe of raw robotic data into a dependable, scalable foundation … maintaining the data pipelines that connect control, perception, simulation, and learning systems. This role involves close collaboration with robotics engineers, machine learning researchers, and software developers. You will own critical aspects of our data platform, shape data models and schema design, implement quality controls, and optimise systems for high ...

future where human well-being is safeguarded while closing the gaps in critical global labour needs. About The Role We are looking for a Senior/Staff Software Engineer (Data) to help transform our rapidly growing universe of raw robotic data into a dependable, scalable foundation … maintaining the data pipelines that connect control, perception, simulation, and learning systems. This role involves close collaboration with robotics engineers, machine learning researchers, and software developers. You will own critical aspects of our data platform, shape data models and schema design, implement quality controls, and optimise systems for high ...

Software Engineer | Energy & Climate Tech | London (Hybrid) A fast-growing energy technology company is building the intelligence layer for a cleaner, more resilient power grid - and they’re looking for engineers who want their code to have measurable, real-world impact. The team is developing large-scale optimisation ...

Software Engineer | Energy & Climate Tech | London (Hybrid) A fast-growing energy technology company is building the intelligence layer for a cleaner, more resilient power grid - and they’re looking for engineers who want their code to have measurable, real-world impact. The team is developing large-scale optimisation ...

. We put people first. It’s all about you.. The ideal candidate is someone who has a strong background in building and maintaining software and microservices within an event-sourced architecture. They should be proficient in Golang and have hands-on experience with technologies such as Kafka, PostgreSQL … with our internal CRM, while ensuring the reliability and performance of existing systems. The ideal candidate thrives in a collaborative environment, working closely with software engineers and product teams to deliver robust, high-quality solutions. Previous Rust exposure or interest to develop is highly desired. We work together. Your ...

Role: Senior Product Engineer Location: London, Hybrid (Come to the office when needed not set days) Compensation: Up to £140,000 + equity We’re partnered with a fast-growing technology company building world-class API products that simplify complex operational challenges for global businesses. They prioritise engineering … excellence, lean teams, and a culture built on ownership, collaboration, and continuous improvement. As a Senior Product Engineer, you’ll work across the full product lifecycle; from understanding customer problems to designing, building, and operating scalable, reliable API products used by companies around the world. You’ll help ...

Role: Senior Product Engineer Location: London, Hybrid (Come to the office when needed not set days) Compensation: Up to £140,000 + equity We’re partnered with a fast-growing technology company building world-class API products that simplify complex operational challenges for global businesses. They prioritise engineering … excellence, lean teams, and a culture built on ownership, collaboration, and continuous improvement. As a Senior Product Engineer, you’ll work across the full product lifecycle; from understanding customer problems to designing, building, and operating scalable, reliable API products used by companies around the world. You’ll help ...

adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first LLM for the Financial Services industry) and other LLMs, enabling financial ...

adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first LLM for the Financial Services industry) and other LLMs, enabling financial ...

based in Hammersmith are building cutting-edge products that will transform how teams work with intelligent technology are looking for a talented Full Stack Software Engineer to join a small, high-impact team. What you’ll do Design, build, and ship features across their AI-powered product suite … What we’re looking for Strong commercial experience in Golang Solid knowledge of TypeScript and React for frontend development Experience working across the full software lifecycle Self-driven, curious, and excited by technical challenges Bonus points Experience with Kubernetes , containerisation, and cloud infrastructure Background in distributed systems, real-time ...

based in Hammersmith are building cutting-edge products that will transform how teams work with intelligent technology are looking for a talented Full Stack Software Engineer to join a small, high-impact team. What you’ll do Design, build, and ship features across their AI-powered product suite … What we’re looking for Strong commercial experience in Golang Solid knowledge of TypeScript and React for frontend development Experience working across the full software lifecycle Self-driven, curious, and excited by technical challenges Bonus points Experience with Kubernetes , containerisation, and cloud infrastructure Background in distributed systems, real-time ...

client is looking for an experienced Senior C++ Software Engineer to help grow and enhance our PTP software platform. The candidate will work on strategic enhancements to the platform as well as on client implementation projects. The PTP Platform is a leading-edge, cloud-based Securities … Processing solution that provides trade lifecycle processing for a wide range of global financial institutions. What you will need: · Extensive commercial software development experience using C++ · SQL experience · Unix/Linux experience · Relevant degree in a numeric discipline, or equivalent work experience · Excellent written and spoken English Added bonus ...

client is looking for an experienced Senior C++ Software Engineer to help grow and enhance our PTP software platform. The candidate will work on strategic enhancements to the platform as well as on client implementation projects. The PTP Platform is a leading-edge, cloud-based Securities … Processing solution that provides trade lifecycle processing for a wide range of global financial institutions. What you will need: · Extensive commercial software development experience using C++ · SQL experience · Unix/Linux experience · Relevant degree in a numeric discipline, or equivalent work experience · Excellent written and spoken English Added bonus ...

Senior Java Developer - Java, Springboot & AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This ...