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4 sql developer jobs found

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sql developer £500 - £600 Greater London
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London  (4)
Outside Spy
Nov 05, 2026
Duration not stated
Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 at Auro Recruitment Group, London Area, £550 per day
£550 per day
Outside Spy London Area, United Kingdom
Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...
Outside Spy
Nov 04, 2026
Duration not stated
Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 at Auro Recruitment Group, London Area, £550 per day
£550 per day
Outside Spy London Area, United Kingdom
Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...
Outside Spy
Nov 03, 2026
6 Months or more
Senior Java Developer/Technical Lead (Assurance) at Synergetic, London, 6 Months, £550-£625 per day
£550 - £625 per day
Outside Spy London, UK
Senior Java Developer/Technical Lead (Assurance) - Spring Boot/Angular - SC Cleared - Outside IR35 Location: London - Hybrid Duration: 6 months + Clearance: Active SC clearance required (UK only) Outside IR35 Synergetic is recruiting a senior, hands-on Java developer on behalf of a leading consultancy. You'll join a major central government programme that is replacing a critical system. The Legacy code is more than 30 years old, and the replacement is being built on Java, Spring Boot, Angular and PostgreSQL. You'll act as the client's technical lead on code quality and delivery. You'll get into the delivery partner's codebase, designs and pipelines, judge what is being built and how well, and then explain that clearly to Product Managers, Delivery Managers and programme leadership. We need a strong engineer who can communicate, not a governance specialist. What You'll Do Review code, designs and architecture decisions from the delivery partner, and...
Outside Spy
Nov 02, 2026
6 Months or more
Python Developer DV cleared at Square One Resources, City of London, 12 Months, £500-£550 per day
£500 - £550 per day
Outside Spy City of London, UK
DV Cleared Python Developer | £550 per day | Outside IR35 | London We are looking for an experienced DV Cleared Python Developer to join a long-term project, working onsite in London. Role: DV Cleared Python Developer Location: London, onsite Rate: up to £550 per day IR35: Outside IR35 Duration: 12 month contract, with strong prospects of extension. Clearance: Active DV clearance required Key Responsibilities Develop, maintain and enhance applications and services using Python Build, deploy and maintain capabilities within air-gapped environments Deploy and manage containerised applications using Docker and Kubernetes Build and integrate APIs and microservices Develop and maintain data pipelines and workflow orchestration Configure and integrate workflow tooling such as Jira Work with a range of database, search and storage technologies Troubleshoot and resolve technical issues within secure environments Essential Experience Active DV...
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