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9 developer jobs found in London

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London developer £300 - £400
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Greater London  (9)
Outside Spy
Jul 01, 2026
6 Months or more
Full-Stack Developer Contract (Insurance Experience Required) 6 months outside IR35 at Opus Recruitment Solutions Ltd, London, 6 Months, £400-£550 per day
£400 - £550 per day
Outside Spy London, UK
Freelance: Full Stack Developer (Insurance Experience Required) Start Date: 20/07/26 Duration: 6 months (extension highly likely) IR35 Status: Outside Location: London (Fully Remote) Capacity: 40 hours per week About the Role We're looking for an experienced Full Stack Developer with Insurance domain expertise to support the development and scaling of a high growth digital platform within the insurance sector. You will work across both Front End and Back End layers, collaborating closely with product, design, and engineering teams to deliver robust, scalable, and high performance solutions. A key focus of the role will be building modern user interfaces (Vue.js) while contributing to Back End services, APIs, and architecture that support complex insurance workflows and data models. Key Responsibilities Design, develop, and maintain full stack applications across Front End and Back End layers. Build modern, responsive Front End applications using Vue.js. Develop and maintain...
Outside Spy
Jun 30, 2026
6 Months or more
Qlik Sense Developer at Som-3 Recruitment, City of London, 6 Months, to £400 per day
£300 - £400 per day
Outside Spy City of London, UK
Qlik Sense Developer Fully remote £400 per day OUTSIDE IR35 Must be able to cover hours 10am to 7pm and 12pm to 9pm due to the time zones for this work Experienced Qlik Sense expert needed to delivery advanced analytics and reporting capabilities for the operations team as part of a global healthcare project You will be responsible for Qlik Sense Development & Dashboard - Delivery Design, build, and maintain dashboards, sheets, and visualizations Data Modelling & Scripting - Develop and maintain Qlik Sense data models, load scripts, calculations, and derived metrics Work with Cority/CorAnalytics data sources Data Quality & Validation Validate dashboard outputs against source data Ensure correct logic in calculations and KPIs Data Refresh & Pipeline Management Manage data refresh processes and pipelines Diagnose and resolve data discrepancies, refresh issues, script failures, and performance bottlenecks You will be a Qlik Sense expert with skills...
Outside Spy
Jun 30, 2026
Duration not stated
.NET Developer, C# - London / Hybrid at Noir, London, £350-£375 per day
£350 - £375 per day
Outside Spy London, UK
Contract .NET Developer - £350- £375p/d - Outside IR35 - London / Hybrid (.NET Developer, .NET Software Engineer, Software Developer, C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular, Unit Tests, DevOps, CI/CD pipelines, Terraform, Azure, AI tools) Established in the 1990s our client is one the fast growing technologies brands across Europe. They have built an unrivalled reputation for developing revolutionary .NET / C# software solutions. Having recently embarked upon a number of cutting edge Greenfield .NET / C# projects they are looking to recruit contract .NET Developer to join their award winning .NET / C# development team. Working in tandem with Microsoft 's very own consultants you will be working on the development of complex enterprise .NET / C# projects that have attracted much attention in the trade place. .NET Developer applicants should be experienced in: C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular,...
Outside Spy
Jun 26, 2026
up to 6 Months
PowerApps Developer (Contract) - SC Cleared/NPPV3 at Sanderson Government & Defence, London, 3 Months, £375-£520 per day
£375 - £520 per day
Outside Spy London, UK
PowerApps Developer (Contract) - SC Cleared/NPPV3 London (Hybrid - 3 days per week onsite) Initial 3 months - Strong Extension Potential Up to £520 per day (Outside IR35) We are currently seeking a highly capable PowerApps Developer to join a high-profile programme delivering secure, scalable digital solutions within a regulated public sector environment. This role sits within a fast-paced delivery team focused on modernising core services through the Microsoft Power Platform. This is an excellent opportunity for a contractor who thrives in secure environments and has experience building robust applications that meet stringent compliance and security standards. Key Requirements Strong hands-on experience with the Microsoft Power Platform, including: PowerApps (Canvas and Model-driven apps) Power Automate (workflow automation) Dataverse and data modelling Proven experience delivering enterprise-grade Power Platform solutions end-to-end Ability to integrate Power...
Outside Spy
Jun 30, 2026
6 Months or more
ServiceNow Architect at LA International Computer Consultants Ltd, City of London, 6 Months, to £440 per day + Outside IR35
£340 - £440 per day
Outside Spy City of London, UK
Our Telecoms client is looking for an experienced ServiceNow Architect to join their team. This is a 6 months contract initially and it is outside IR35. This is a hybrid role with 2 days per week working from the office in central London. Key Responsibilities * Serve as the technical authority on ServiceNow architecture, design, and best practices. * Define and drive the overall platform strategy, roadmap, and governance. * Lead the design and implementation of ServiceNow modules, including ITSM, ITOM, ITAM, HRSD, CSM, GRC, SecOps, and custom applications. * Ensure platform scalability, security, performance, and integrations with other enterprise systems. * Provide technical leadership in solution design workshops, architecture reviews, and governance boards. * Collaborate with stakeholders, business analysts, and development teams to align solutions with business objectives. * Mentor and guide ServiceNow developers and administrators on technical best practices. * Stay updated...
Outside Spy
Jun 30, 2026
Duration not stated
Full Stack Engineer at develop, London Area, £350 per day
£350 per day
Outside Spy London Area, United Kingdom
Full Stack Engineer (Contract - Junior/Mid) Location: Hybrid - 3 days per week - London Day Rate : Up to £350 per day outside IR35 This is a unique opportunity to work on a highly sophisticated platform where AI sits at the heart of the product. The Opportunity You'll be working across a modern TypeScript monorepo, developing scalable features across the frontend, backend, data layer, and AI integrations. The role offers exposure to cutting-edge AI technologies while providing the opportunity to deepen your expertise under the guidance of an experienced software architect. If you're passionate about modern engineering, enjoy solving complex technical challenges, and are eager to work at the forefront of AI-powered software development, we'd love to hear from you. Tech Stack: TypeScript, React, Node.js, Next.js Tailwind CSS SQLite AI integrations including Anthropic Claude, OpenAI, and Google Gemini GitHub Actions CI/CD Microsoft Azure (migration...
Outside Spy
Jun 25, 2026
Duration not stated
Third Line Engineer at develop, London Area, £350-£450 per day
£350 - £450 per day
Outside Spy London Area, United Kingdom
3rd Line Engineer 📍 White City, London (4 Days Onsite) 💰 £350-450 per day 📄 Outside IR35 📅 Initial 6-Month Contract I'm currently supporting a well-known retail brand that is investing heavily in its internal IT function and looking to hire an experienced 3rd Line Engineer to join the team on an initial 6-month contract. This is a hands-on role where you'll play a key part in improving and stabilising a large Microsoft-based environment, working across infrastructure, cloud, networking and security technologies. What You'll Be Doing • Providing 3rd line support for complex technical issues • Managing Microsoft 365 and Windows environments • Supporting Azure infrastructure and cloud services • Leading patching, vulnerability management and security improvements • Managing backup and disaster recovery processes • Working with networking, firewalls and email security platforms • Supporting infrastructure upgrades, migrations and improvement projects •...
Outside Spy
Jul 03, 2026
6 Months or more
Business Analyst - Social Housing at Endeavour Recruitment, London, 6 Months, £300-£350 per day
£300 - £350 per day
Outside Spy London, UK
Business Analyst - Social Housing Location: London Working Pattern: Hybrid - 2-3 days per week onsite Contract: Outside IR35 Day Rate: £300 - £350 per day (Outside IR35) We can only consider candidates who have experience in the housing sector. The Role Endeavour Recruitment is looking for an experienced Business Analyst to join a consultancy delivering digital transformation and software implementation projects across the UK Social Housing sector. Working with Housing Associations and other housing organisations, you will play a key role in gathering business requirements, improving business processes, and supporting the successful delivery of enterprise software solutions. You will act as the bridge between business stakeholders and technical teams, ensuring that solutions meet operational needs while supporting wider transformation initiatives. This is an excellent opportunity for an experienced contractor with a strong background in Social Housing, software...
Outside Spy
Jul 02, 2026
6 Months or more
QA Engineer - Data Platforms at SR2 - Socially Responsible Recruitment, London, 6 Months, £350-£375 per day
£350 - £375 per day
Outside Spy London, UK
QA Engineer - Data Platforms We're supporting a major digital transformation programme and are looking for a QA Engineer with experience testing data-centric applications and platforms. This is an opportunity to join an agile delivery team working across modern cloud technologies, ensuring the quality of data pipelines, integrations and user-facing applications. You'll play a key role in validating complex data flows while working closely with developers, product teams and technical stakeholders. The Role You'll be responsible for delivering high-quality testing across a modern data platform, validating data movement from source through to end-user applications. The role combines traditional functional testing with data validation, integration testing and defect management, helping to ensure reliable, accurate and usable data throughout the platform. Key Responsibilities Design and execute test scenarios based on user stories and acceptance criteria. Validate data...
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