26 to 50 of 55 Senior Software Engineer Jobs in London

Senior Software Engineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: – Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification — EVs, solar, batteries, heat pumps, smart devices — all connected through a platform that … scaling fast and rewriting the rulebook in green-energy tech. They’re growing. They’re hiring. And they want a Senior Engineer who can own problems end-to-end, think like a product person, and ship like someone who knows their craft inside out. If you want ...

Software Engineer - Contract - 6 Months About You: As an experienced Software Engineer, your skills and experience will include; - Strong software skills, particularly agile/DevSecOps methodologies; knowledge of Terraform, Helm, Python preferred - Contribute to a continuous learning and feedback process in relation to the DevSecOps ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform … more intelligently than ever before. Looking for someone who enjoys writing clean, wellstructured code and has a genuine interest in engineering.. not just software, but how things are built in the real world. Backed by one of Europe's leading VCs and with a 4-year runway. This company ...

Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform … more intelligently than ever before. Looking for someone who enjoys writing clean, wellstructured code and has a genuine interest in engineering.. not just software, but how things are built in the real world. Backed by one of Europe's leading VCs and with a 4-year runway. This company ...

Senior Software Engineer City of London - 1 Day per week Insurtech/Climate About the role This organisation creates insurance products that support the transition to a low-carbon economy. The team is small, fast-moving and focused on modernising a traditionally slow sector. They ...

Title: Senior Embedded Software Engineer Location: London (Hybrid- 1-2 Days) Duration: Fixed term contract Job Overview: Scope of Work Client is seeking a Senior Embedded Software Engineer to support development activities for a complex Adaptive SoC design targeted toward a high-speed networking ...

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, Fix Protocol with some Low Latency … 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 C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, FIX Protocol and some Low Latency … 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 (Kotlin) ?? £85,000 - £95,000 + bonus + excellent Benefits ?? Hybrid - 2 days onsite in Central London (Zone 1) Are you a JVM engineer curious about Kotlin - or already loving it? Want to solve complex problems that contribute to a greener, more sustainable ...

Senior Software Engineer - Node Remote with very occasional client visits £420 - £450pd Outside IR35 3-month contract Our client, an established and successful Consultancy are looking for an experienced Developer to join them on a contract basis. With head offices in the north ...

Senior Software Engineer - Node Remote with very occasional client visits £420 - £450pd Outside IR35 3-month contract Our client, an established and successful Consultancy are looking for an experienced Developer to join them on a contract basis click apply for full job details ...

Senior Software Developer (Golang) | £550-600/day | Inside IR35 | SC Cleared | 6 month-contract We are seeking an experienced Senior Software Developer to join a highly skilled digital delivery team working on large-scale government transformation projects. You'll be joining a multi-disciplinary environment ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software ...

Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview We are seeking a skilled Senior Developer to join a newly formed engineering team focused on removing legacy components and addressing technical debt within our Media Services products. This role … detail-oriented approach will be vital to ensure smooth transitions from legacy systems to scalable, reliable, and future-proof solutions. In addition, experience with software testing practices, Agile methodologies (Scrum or Kanban), and defensive programming techniques will be highly desirable. We are looking for someone who thrives in collaborative ...

Title: Senior Software Engineer Industry: Enterprise SaaS (Retail) Tech Stack: Golang, Kubernetes, Cloud Run, Pub/Sub, SpannerDB, GCP Working Set-Up: Remote first with occasional visits to London or Manchester offices ( Please note - candidates for this role must be UK based) Salary - £85,000 p/ ...

Senior Software Engineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification EVs, solar, batteries, heat pumps, smart devices all connected through a platform thats ...

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 ...

product/design to refine scope and solve problems pragmatically We put people first. It’s all about you... We’re looking for a senior backend-leaning engineer to work across our core customer acquisition platforms. You’ll work primarily with Go, GraphQL, Docker and Kubernetes. … solving skills Experience mentoring mid-level engineers and modelling engineering best practices Comfortable working in autonomous, product-focused teams Possible Next Career Steps Staff Software Engineer Engineering Manager So why pick UW? We’ve got big ambitions so there’s going to be plenty of challenges. There ...

. 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 ...

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 ...

Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview We are seeking a skilled Senior Developer to join a newly formed engineering team focused on removing legacy components and addressing technical debt within our Media Services products click apply ...

future. Be part of the future of investing. Shape it with us. What You'll Be Doing Building and deploying scalable, secure, and compliant software at pace. Integrating HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products ...

About HL and the opportunity. We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. ...