Senior Software Engineer Jobs in London

401 to 420 of 420 Senior Software Engineer Jobs in London

Senior Software Engineer - Core Wealth Services

London, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients and managing £130+ billion in More ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
Posted:

Senior Software Engineers (Python)

London, UK
Hybrid / WFH Options
InterQuest Group
digital foundations that will define how humans and AI learn from each other pioneering technology that is set to transform the way intelligent systems evolve. The Role Were seeking Senior Software Engineers with a product builder mindset to help shape and scale a cutting-edge platform. Youll work across a modern tech stack (Python, TypeScript, Vue.js, AWS/ More ❯
Employment Type: Part-time
Posted:

Senior Software Engineers (Python)

City of London, London, United Kingdom
Hybrid / WFH Options
Morson Edge (Technology)
foundations that will define how humans and AI learn from each other — pioneering technology that is set to transform the way intelligent systems evolve. The Role We’re seeking Senior Software Engineers with a product builder mindset to help shape and scale a cutting-edge platform. You’ll work across a modern tech stack (Python, TypeScript, Vue.js, AWS More ❯
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Espire Infolabs Limited
Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role : Front End Developer(React.js) Location: London, UK(3 Days/Week onsite) Desired Industry Experience: 5+ years Relevant Experience: React.Js, Typescript, Azure Job Description: Proven experience More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer

London, UK
Gravitas Recruitment Group (Global) Ltd
Job Opportunity: Backend .NET Developer Contract Type: Permanent Location: London On-site full-time Salary: 90,00095,000 DOE Were working with a privately held group with a strong presence in the commercial property sector, known for delivering high-quality More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

City of London, Greater London, UK
Gravitas Recruitment Group (Global) Ltd
Job Opportunity: Backend .NET Developer Contract Type: Permanent Location: London On-site full-time Salary: 90,00095,000 DOE Were working with a privately held group with a strong presence in the commercial property sector, known for delivering high-quality More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

london, south east england, united kingdom
Gravitas Recruitment Group (Global) Ltd
Job Opportunity: Backend .NET Developer Contract Type: Permanent Location: London – On-site full-time Salary: £90,000–£95,000 DOE We’re working with a privately held group with a strong presence in the commercial property sector, known for delivering More ❯
Posted:

Senior Software Engineer

london (city of london), south east england, united kingdom
Gravitas Recruitment Group (Global) Ltd
Job Opportunity: Backend .NET Developer Contract Type: Permanent Location: London – On-site full-time Salary: £90,000–£95,000 DOE We’re working with a privately held group with a strong presence in the commercial property sector, known for delivering More ❯
Posted:

Senior Software Engineer (C# / JavaScript)

London, United Kingdom
We are partnered with a high-growth, VC-funded Data Intelligence platform. Full Stack Environment: TypeScript, Node.js, React (Redux/Context API). A role focusing on full-stack architecture with some Data Pipelining. Paddington, 3 days a week on More ❯
Posted:

Senior Java Software Engineer

London Area, United Kingdom
Opus Recruitment Solutions
Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a fast-growing FinTech tackling cross … all high-impact. No legacy systems or old fluff to get through. Just clean architecture, smart engineering, and a product already making serious waves. You’ll join a small, senior team building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech … stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the team, influence architecture, and build things the right way. They’re in-office just 1–2 days a week in London, backed by serious investors, and scaling More ❯
Posted:

Senior Java Software Engineer

City of London, London, United Kingdom
Opus Recruitment Solutions
Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a fast-growing FinTech tackling cross … all high-impact. No legacy systems or old fluff to get through. Just clean architecture, smart engineering, and a product already making serious waves. You’ll join a small, senior team building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech … stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the team, influence architecture, and build things the right way. They’re in-office just 1–2 days a week in London, backed by serious investors, and scaling More ❯
Posted:

Senior Software Engineer

London, UK
Hybrid / WFH Options
Plexus Resource Solutions
Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯
Posted:

Senior Software Engineer

City of London, Greater London, UK
Hybrid / WFH Options
Plexus Resource Solutions
Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯
Posted:

Senior Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Plexus Resource Solutions
Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯
Posted:

Senior Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Plexus Resource Solutions
Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯
Posted:

Senior Software Engineer (C# / SQL Server)

London, United Kingdom
NET Developer Contract Type: Permanent Location: London On-site full-time Were working with a privately held group with a strong presence in the commercial property sector, known for delivering high-quality environments that support productivity and collaboration. Operating from More ❯
Posted:

Senior Software Engineer - Unified Client Experience (UCX)

London, United Kingdom
Hargreaves Lansdown
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. This is your opportunity to More ❯
Employment Type: Permanent
Salary: GBP 95,000 Annual
Posted:

Senior GoLang Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Must-Have (Non-Negotiable): 10+ years of professional software engineering experience, with 5+ years in Go. Proven ability to solve complex problems end-to-end, not just implement tickets. Deep understanding of Go’s concurrency model (goroutines, channels, memory model). Strong grasp of computer fundamentals: memory, CPU, I/O. Experience with distributed systems, APIs, and cloud-native More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Robotics Software Engineer

Greater London, England, United Kingdom
Humanoid
Lead to turn our robotics stack into a working product. This isn’t a coordination-only role. You’ll write code, integrate subsystems, debug real robots, and build the software layer that brings everything together for the end user. You’ll lead a small team focused on application-level logic. This is where everything meets: controls, navigation, perception, learning … company, make practical decisions, build prototypes, and iterate fast. We want someone who’s not afraid to plug in, test in hardware, and own the product experience from the software side. What You’ll Do Develop and maintain the top-level robot application code Integrate modules from other teams: controls, navigation, CV, RL, platform Build and evolve the application More ❯
Posted:

Senior Robotics Software Engineer

london, south east england, united kingdom
Humanoid
Lead to turn our robotics stack into a working product. This isn’t a coordination-only role. You’ll write code, integrate subsystems, debug real robots, and build the software layer that brings everything together for the end user. You’ll lead a small team focused on application-level logic. This is where everything meets: controls, navigation, perception, learning … company, make practical decisions, build prototypes, and iterate fast. We want someone who’s not afraid to plug in, test in hardware, and own the product experience from the software side. What You’ll Do Develop and maintain the top-level robot application code Integrate modules from other teams: controls, navigation, CV, RL, platform Build and evolve the application More ❯
Posted:
Senior Software Engineer
London
10th Percentile
£80,000
25th Percentile
£87,500
Median
£105,000
75th Percentile
£122,500
90th Percentile
£135,000