1 to 25 of 557 Permanent Senior Software Engineer Jobs in London

Senior Software Engineer - Node/React Native

Location
Greater London, England, United Kingdom
Senior Software Engineer | Software Engineer | Senior Engineer | Senior Full Stack Software Engineer Senior Full Stack Software Engineer (Node.js & React Native) Victoria, London | Hybrid 5+ years experience required Salary: £80k-£90k My client are hiring a Senior Full Stack Software Engineer (Node.js & React Native) . This is a great opportunity to join a fast-growing London-based fintech building innovative payment and loyalty technology used by global travel and hospitality brands. This company are one of the fastest-growing Fintechs in the UK. This ...

Senior Software Engineer C++

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 Java - Scientific Software

Hiring Organisation
Client Server
Location
Surbiton, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Senior Software Engineer/Developer (Java Mathematics) WFH/Surbiton to £70k Are you a 'mathematically minded', senior hands-on Software Engineer looking for an opportunity to work on complex and interesting systems? You could be joining a global geoscience technology company within … exploration. As a Senior Software Engineer you'll join a supportive Agile team responsible for the company's highly complex desktop oil discovery product. You'll gain exposure to the full software development lifecycle working on new features and enhancements as well as maintaining existing applications. ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Description - Senior Software Engineer (17311) Job Description Senior Software Engineer ( 17311 ) Description Senior Software Engineer Luton | Full-time | Hybrid We support hybrid working, and you’ll spend 60% of your time each month in the office. You’re a highly capable … software engineer who enjoys solving complex technical problems and building high-quality software that operates at scale. You combine strong hands‐on engineering with sound technical judgement, a collaborative mindset and a genuine sense of ownership. If you're passionate about creating reliable, maintainable solutions while helping ...

Senior Software Engineer

Hiring Organisation
Redline Group Ltd
Location
West Drayton, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
excellent opportunity for a Senior Software Engineer- C# with .Net and Restful API with the job based in Uxbridge. With continued growth of the business my client is looking for a Senior Software engineer to be a part of a motivated engineering team working … will be developing detailed code for the development of next gen products. To be a great match for the Uxbridge based job as a Senior Software Engineer, you will come from a strong background in a variety of languages such as C# .Net AND VB and have ...

Senior Software Engineer

Location
Uxbridge, England, United Kingdom
excellent opportunity for a Senior Software Engineer- C# with .Net and Restful API with the job based in Uxbridge. With continued growth of the business my client is looking for a Senior Software engineer to be a part of a motivated engineering team working … will be developing detailed code for the development of next gen products. To be a great match for the Uxbridge based job as a Senior Software Engineer, you will come from a strong background in a variety of languages such as C# .Net AND VB and have ...

Senior Software Engineer - UK

Location
City Of London, England, United Kingdom
across the globe, and we operate as a trusted provider of digital commerce systems for leading retailers. Position Summary OneView is looking for a Senior Software Engineer to take on the harder half of what a delivery team builds. The platform serves over a hundred thousand users … lives, and it is the work this role gets. Reporting to the VP of Engineering and working in a Scrum team alongside a Lead Software Engineer, you will design and build complex features and integrations end to end, from very little direction. Senior here means three things ...

Senior Software Engineer - User Trail

Location
Greater London, England, United Kingdom
# Senior Software Engineer - User Trailat The Trade Desk • London, United KingdomBack to jobs1. Home2. Jobs3. United Kingdom4. Senior Software Engineer - User Trail## Quick answerSenior Software Engineer - User Trail at The Trade Desk in London, United Kingdom — confirm sponsorship on the employer … application page before applying.* Browse more roles in United Kingdom via the country jobs hub.* Use the ATS resume checker before you apply.—T## Senior Software Engineer - User TrailThe Trade Desk140Software EngineeringFull-timeLondon, United KingdomApply Job### Job DescriptionThe User Trail team owns the analytics and observability platform ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Senior Software Engineer | Series A Cybersecurity Start-Up | London Senior Software Engineer required to join a fast-growing Series A cybersecurity start-up in London, tackling some of the most difficult problems in modern security. The company has been built by experienced founders with … start-up: early enough to have real influence, but with the backing, team, and momentum already behind it. You are: 5+ years of professional Software Engineering experience Strong in one or more of Python, Go, Java, or C# An excellent engineer with strong system design and software ...

Senior Software Engineer (Match AI & Simulation)

Location
Greater London, England, United Kingdom
Senior Software Engineer (Match AI & Simulation) Founded in 1994, Sports Interactive became a wholly owned subsidiary of SEGA Europe in 2006. Based at the Here East technology hub in Stratford, East London, the SI team continues to expand as we bring our titles to an ever-growing … welcome the opportunity to connect with passionate people with the drive to match our ambitions and initiative to realise your individual potential. Job Title: Senior Software Engineer (Match AI & Simulation) Team: Match Reporting into: Lead Software Engineer (Match AI) Working Model: Hybrid 2-3 days ...

Senior Software Engineer

Hiring Organisation
Sirius Digital
Location
London, England, United Kingdom
Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned … looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently or in small teams. The Role: As a Software Engineer, you will play a major role in developing code in the Software Modelling and Simulation, autonomy and geospatial fields, along with ...

Senior Software Engineer II - FinCrime - Scam Prevention Team

Location
Greater London, England, United Kingdom
# Senior Software Engineer II - FinCrime - Scam Prevention Teamat Wise • London, United KingdomBack to jobs1. Home2. Jobs3. United Kingdom4. Senior Software Engineer II - FinCrime - Scam Prevention Team—W## Senior Software Engineer II - FinCrime - Scam Prevention TeamWise20FinCrime - Scam Prevention TeamFull-timeGBP … yearlyLondon, United KingdomApply Job### Job DescriptionAbout the role:Join us as a Software Engineer in our critical Scam Prevention team. This is a high-impact engineering role with a strong product focus, dedicated to solving complex, real-world adversarial problems to directly protect our global customer base.How ...

Senior Embedded Software Engineer - C/C++

Hiring Organisation
Redline Group Ltd
Location
Rainham, Kent, UK
Senior Embedded Software Engineer - C/C++ looking to work for a company that makes products that save lives. If so, then this is the job for you! My client's office is based in Rochester, Kent, commutable from Gravesend, Dartford, Bexleyheath, Sittingbourne, Maidstone, Ashford, and Sevenoaks … skills to fill this role Read the complete details below, and make your application today. In this job you will design and develop application software and embedded firmware in C and C++ for future products and assist with the support and enhancement of my clients existing product portfolio. ...

Senior Software Engineer I- Regional Expansion MEA

Location
Greater London, England, United Kingdom
Senior Software Engineer I- Regional Expansion -MEA Full-time Compensation: GBP 87,500 - GBP 111,000 - yearly Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending … money. For everyone, everywhere. We are expanding our Middle East and Africa (MEA) expansion team and are looking for ambitious and highly skilled Senior Software Engineers to join the engineering team. You will play a crucial role in expanding our product offerings across MEA region, covering Onboarding (Consumer ...

Senior Software Engineer

Hiring Organisation
Branston Potatoes
Location
London, England, United Kingdom
Senior Software Engineer C++ When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Within your role as Senior Software Engineer C++ … support and mentorship as required to ensure you are reaching your full potential. You will be involved in a variety of projects within the Software Engineering team such as regular stand ups, fixing bugs, project, and design, and supporting junior members of the team. Additionally, you will also ...

Senior Software Engineer II (Data & AI Platform) StepStone Group

Location
Greater London, England, United Kingdom
Senior Software Engineer II (Data & AI Platform) Overview Company Name StepStone Group Job Role Senior Software Engineer II (Data & AI Platform) Qualifications Not specified Category I Job Type Full Time Location London, England, United Kingdom (Hybrid) Pay & benefits What … delivery by guiding teams through complex technical challenges, improving decision-making, and contributing to planning and risk management Mentor engineers, grow senior technical capabilities and champion AI-assisted development and engineering automation Your skills and qualifications Proven experience as a Senior Software Engineer or Senior ...

Senior Software Engineer, Control.

Hiring Organisation
Enterprise Recruitment Limited
Location
London, England, United Kingdom
Senior Software Engineer position focusing on low-latency control systems, specifically multi-axis movement to search for and track satellites dynamically using feedback loops for deployment on embedded Linux or microcontrollers. The role offers significant autonomy across architecture and implementation, alongside complex challenges involving geometry, coordinate systems … experience developing algorithms to control multiple motors or servo mechanisms using closed-loop feedback, including PID/PI tuning and position or velocity control. Senior Software Engineer essential skills •3+ years relevant software engineering experience with C or C++ •Practical experience in control or robotics ...

Senior Software Engineer (Search)

Location
Greater London, England, United Kingdom
Senior Software Engineer | Manchester (ideally) or can be London - Hybrid (1-2 days a week) | Competitive Salary + Benefits We're the Moonpig Group - home to Moonpig, Greetz, Red Letter Days and Buyagift - and we're on a mission to make people feel loved, celebrated and remembered. … Search helps millions of customers navigate and explore a huge catalogue of products so they can make moments with their loved ones. As a Senior Software Engineer in the Search team, you will help build scalable, resilient experiences using search, AWS, and modern web technologies. We work ...

MASUK Senior Software Engineer - Securities Lending Platform

Location
Greater London, England, United Kingdom
MASUK Senior Software Engineer - Securities Lending Platform MASUK Senior Software Engineer - Securities Lending Platform Location : London Experience : Senior Role We're looking for a senior software engineer to build a new real-time event-driven platform for securities lending, repo ...

Senior Python Software Engineer - FinTech

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Senior Python Software Engineer/Developer (Django AI) London/WFH to £120k An established FinTech business specialising in automated investment reporting is looking for a Senior Python Software Engineer to take a leading role in the design and delivery of its software products. As a Senior Python Software Engineer you'll be in a product focused engineering role, combining hands-on Python development with technical ownership. You'll lead projects end to end, shape architecture and drive the delivery of new product capabilities, working across backend engineering, data ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Senior Software Engineer# Careers## Senior Software EngineerApply: London: Full time: Posted Today: End Date: November 27, 2026 (28 days left to apply): JR0572**Build an enabled Engineering community at NewDay** We’re building our Engineering Enablement team and are looking for a Senior Software Engineer who enjoys solving problems that make other engineers more effective. Rather than focusing on a single customer-facing product, you’ll build the internal tools, services and platform capabilities that help engineering teams deliver safely and quickly. You’ll have scope to influence a developing roadmap, identify ...

Senior Software Engineer, Full-Stack Applications - Ratings Technology (London)

Location
Greater London, England, United Kingdom
Select how often (in days) to receive an alert: Senior Software Engineer, Full-Stack Applications - Ratings Technology (London) Requisition ID: 50676 Business Unit: Fitch Group Category: Information Technology Location: London, GB Date Posted: Sep 18, 2026 As one of the world’s top three credit ratings agencies … more than 30 countries, which also includes Fitch Solutions. With dual headquarters in London and New York, Fitch Group is owned by Hearst. Senior Software Engineer, Full-Stack Applications – Ratings Technology Fitch Ratings is seeking a Senior Software Engineer to join our global Ratings ...

Senior Software Engineer (UI/UX)

Location
Greater London, England, United Kingdom
welcome the opportunity to connect with passionate people with the drive to match our ambitions and initiative to realise your individual potential. Job Title: Senior Software Engineer (UI/UX) Team: UI/UX Reporting into: Lead Software Engineer Working Model: Hybrid 2-3 days … studio Location: Here East, Queen Elizabeth Olympic Park, London, E15 2GW Position Overview The UI/UX team are looking for an experienced Software Engineer to join the Football Manager team. As part of the UI team, you’ll help shape all aspects of the game’s User ...

Senior Software Engineer (Full-Stack) - Home Page and Merchandising Platform

Location
Greater London, England, United Kingdom
Senior Software Engineer (Full-Stack) - Home Page and Merchandising Platform London, United Kingdom - Deliveroo Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash … Wolt. Together, we’re unlocking new possibilities as one global team. Senior Software Engineer (Full Stack) - Home Page and Merchandising Platform Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Senior Software Engineer - Node.js, Typescript & AWS | Financial Services Location: London | Hybrid - 1 day onsite ; Salary: £75,000 - £ 105,000 About the role: We're looking for a Senior Software Engineer to join our engineering team and build reliable, scalable technology supporting regulated investment … custody services. You'll work in a highly autonomous, cross-functional squad with genuine ownership across the full software lifecycle - from architecture and development through to production support and incident management. Required Skills: Strong commercial Node.js and TypeScript experience. Solid AWS and Serverless experience. Experience building distributed, resilient APIs. ...