21 of 21 Senior Developer Jobs in the City of London

Senior Intapp Developer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Intapp Developer A fantastic opportunity has arisen for a Senior Intapp Developer to join a London based global law firm on a permanent basis. Senior Intapp Developer Summary: Under the direct supervision of the Senior Manager, Enterprise Applications, the Senior Intapp … Developer acts as the IT owner of several applications and platforms owned by the firm's New Business Intake and Conflicts. These include Intapp Conflicts, Intake, Walls, Terms, and related systems and tools. Senior Intapp Developer Key Responsibilities: * IT owner of all applications and systems supporting ...

Senior Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540 per day
Senior Python Developer Duration: 14 Months Location: London, UK (3 days in office) Active SC Clearance required Inside IR35 - Umbrella only About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance … cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. The Senior Developer will be responsible for both front-end and back-end development, with a focus on Python, including the challenging but rewarding task of reverse engineering ...

Senior Intapp Developer

Hiring Organisation
DGH Recruitment
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior Intapp Developer A fantastic opportunity has arisen for a Senior Intapp Developer to join a London based global law firm on a permanent basis. Senior Intapp Developer Summary: Under the direct supervision of the Senior Manager, Enterprise Applications, the Senior Intapp … Developer acts as the IT owner of several applications and platforms owned by the firm's New Business Intake and Conflicts click apply for full job details ...

Senior Python Developer

Hiring Organisation
Mastek
Location
City of London, London, United Kingdom
Title: Senior Python Developer Location: London, UK (3 days in office) SC Cleared: Required Job Type: Full-Time Experience: 10+ years About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance … cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. The Senior Developer will be responsible for both front-end and back-end development, with a focus on Python, including the challenging but rewarding task of reverse engineering ...

Senior C# Developer C# .Net - Sports Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior C# Developer/Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. As a Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with the strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus ...

Senior Python Developer

Hiring Organisation
Experis
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 540 Daily
Senior Python Developer Duration: 14 Months Location: London, UK (3 days in office) Active SC Clearance required Inside IR35 - Umbrella only About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance ...

Senior Developer

Hiring Organisation
NearTech Search
Location
City of London, London, United Kingdom
Title: Senior Back End Developer (Python/Go) • Salary Range: £90,000 – £110,000 + Bonus • Location: London | Hybrid (2–3 days office) This Senior Back End Developer role will shape a brand-new data platform designed to support complex decision-making for major global organisations. … start of a new engineering team being built. You will have the autonomy to define architecture, tooling, and engineering standards from day one. The Senior Back End Developer (Python/Go) will play a critical role in turning early product ideas into a scalable, production-ready platform, combining ...

Senior Java Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£130000 - £150000/annum
Senior Java Developer Location: London (Hybrid - 3 days in office) Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert (SME) in low latency trading systems. This is a hands-on development role ...

Senior Android Developer

Hiring Organisation
Digital Waffle
Location
City of London, London, United Kingdom
Senior Android Developer Location: London, UK Compensation: £70,000 – £80,000 Are you ready to build Android apps that make a real difference? Join an innovative tech company creating cutting-edge solutions for highly regulated industries like Finance and Healthcare where security, performance, and user experience truly matter. … Senior Android Developer, you’ll take full ownership of enterprise-level Android applications, driving exceptional user experiences and ensuring our products meet the highest standards of quality. This is your chance to work on impactful projects that masses rely on. What You’ll Do Lead the development ...

Senior C# Developer C# .Net - Sports Trading

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior C# Developer/Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. As a Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems, you'll often click apply for full job details ...

Senior Frontend Developer

Hiring Organisation
trg.recruitment
Location
City of London, London, United Kingdom
Senior Front End Engineer – React/Next.js £140,000–£200,000 Base + Serious equity Rare chance to join a very early stage AI platform that has just raised an unusually large Series A of close to $100 Million from tier one fintech and technology investors. The company ...

Senior Front End Developer

Hiring Organisation
Evantis Technology
Location
City of London, London, United Kingdom
Senior Frontend Engineer (Contract)/React/TypeScript/Outside IR35/6 months/Immediate Start Evantis Technology is supporting a product engineering team seeking to hire a Senior Frontend Engineer to help evolve and improve a consumer-facing digital platform. The product currently operates within ...

Senior Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. … senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications ...

Senior Fullstack Developer (Java+React)

Hiring Organisation
Altimetrik
Location
City of London, London, United Kingdom
highly dynamic, international environment, focusing on building secure, scalable, and innovative financial systems that power global banking services. We are currently looking for a Senior Fullstack Developer (Java+React) to join the team. The role involves working in a modern microservices architecture and contributing to the development of scalable … efficient applications. The ideal profile is a FullStack Developer with both backend and frontend expertise. The expected skill distribution is approximately 60% backend (Java/microservices) and 40% frontend (React), with flexibility depending on experience. Requirements : Java, Spring Boot, Microservices, Node.js, TypeScript, React. Location: London (hybrid) 🔥 We build real ...

Senior Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies click ...

Senior Client Developer (Unity C#)

Hiring Organisation
Offroad Games
Location
City of London, London, United Kingdom
hiring a Senior Unity Developer Join Offroad Games, a fresh, London-based game studio founded by ex-Space Apes in 2025. We’re running two live games, Chrome Valley Customs and Fastlane and tackle exciting technical challenges with a ship fast, improve constantly mindset. You’ll work closely … with the team, contributing directly to features and systems that players experience every day. This is a hands-on senior role with real ownership, working alongside our experienced team on live features, gameplay systems, and technical improvements that directly impact players. We value collaboration, clear thinking, and developers ...

Senior Full Stack Developer (Node.js, AWS, React)

Hiring Organisation
Radioplayer
Location
City of London, London, United Kingdom
between traditional broadcasting and digital innovation, helping the radio industry thrive in a connected world. About a role We are looking for a Senior Full Stack Developer with solid experience in Node.js and serverless technologies on AWS. The ideal candidate is capable of designing and developing scalable APIs ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role ...

Senior Developer- KDB/ eTrading /eFX / London/Hybrid

Hiring Organisation
GCS
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £680/day
Principal responsibilities Develop key parts of the Global FX MI and Analytics platform Work closely with quants and electronic tech team in implementing fit-for-purpose solutions Contribute to designing and architecting tick, data access ...

Java Developer (Mid-Senior Level) - Up to £120k + Bonus

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Role: Java Developer (Mid-Senior Level) - Up to £120k + Bonus Salary: Up to £120k base salary + Bonus + Package Location: London (Hybrid) This firm is an elite tech driven investment institution that uphold extremely high tech standards. They are made up of some exceptionally talented individuals ...

Senior C# Developer - Head of Core Platform | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
that performs real‐time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform. You will work closely with senior stakeholders including the CTO, COO, Head of Operations, and Project Management. Candidate Profile Domain Expertise Strong background in fixed‐income trading systems Knowledge across ...