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4 senior java developer jobs found

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United Kingdom senior java developer £700 and up
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Duration not stated  (4)
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Greater London  (4)
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London  (3) Croydon  (1)
Contract Spy
Mar 25, 2026
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include:...
Contract Spy
Mar 19, 2026
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include:...
Contract Spy
Mar 18, 2026
Duration not stated
Security Cleared Technical Architect at Fimatix, Croydon, £725 per day
£725 per day
Contract Spy Croydon, England, United Kingdom
Company Description Fimatix is a premier digital technology services consultancy with deep expertise in transformation strategy, digital service design, and agile delivery. With extensive experience in the UK Government's digital transformation programs, Fimatix has successfully built banks and fintech challengers from the ground up, navigating regulatory compliance with the FCA and PRA. The company is at the forefront of innovation, leveraging Distributed Ledger Technology (DLT), Blockchain, AI, and cloud technologies to deliver groundbreaking solutions.   Role Description This is a contract role for a Security Cleared Technical Architect. The Technical Architect will design, develop, and implement technical solutions aligned with business objectives. Responsibilities include leading architecture and technology decisions, collaborating with stakeholders, and providing technical guidance during the project lifecycle. The candidate will also ensure compliance...
Contract Spy
Mar 09, 2026
Duration not stated
Software Developer - Front Office Trading Technology | London, UK at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects....
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