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20 full stack developer jobs found

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Outside Spy
Oct 05, 2026
Duration not stated
Full Stack Developer (React & C# .NET) at TXP Technology x People, Birmingham, £Contract Rate
Outside Spy Birmingham, UK
Senior Full Stack Developer (React/C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET Back End capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both Front End and Back End technologies while contributing to data migration, integration,...
Outside Spy
Sep 29, 2026
Duration not stated
Full Stack Developer (React & C# .NET) at TXP, UK, £450 to £500 per Day
£450 - £500 per day
Outside Spy United Kingdom
Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Birmingham - flexible remote working options available - Candidates UK wide can be considered Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with Core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design activities....
Outside Spy
Sep 29, 2026
Duration not stated
Full Stack Developer (React & C# .NET) at TXP, Birmingham, £Contract Rate
Outside Spy Birmingham, UK
Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Birmingham - flexible remote working options available - Candidates UK wide can be considered Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with Core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical...
Outside Spy
Sep 29, 2026
Duration not stated
Full Stack Developer (React & C# .NET) at TXP, Birmingham, £Contract Rate
Outside Spy Birmingham, UK
Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical...
Outside Spy
Sep 29, 2026
Duration not stated
Full Stack Developer (React & C# .NET) at TXP, Birmingham, £450-£500 per day
£450 - £500 per day
Outside Spy Birmingham, UK
Senior Full Stack Developer (React/C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/Front End capability. Strong C#/.NET Back End capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both Front End and Back End technologies while contributing to data migration, integration, and technical...
Outside Spy
Sep 29, 2026
Duration not stated
Full Stack Developer (React & C# .NET) at TXP Technology x People, Birmingham, £450-£500 per day
£450 - £500 per day
Outside Spy Birmingham, UK
Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Birmingham - flexible remote working options available - Candidates UK wide can be considered Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with Core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to...
Outside Spy
Sep 29, 2026
Duration not stated
Full Stack Developer (React & C# .NET) at TXP Technology x People, Birmingham, £450-£500 per day
£450 - £500 per day
Outside Spy Birmingham, UK
Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing...
Outside Spy
Oct 02, 2026
Duration not stated
Senior Full Stack .NET Developer at Enorth Resourcing Limited, Northampton, £Contract Rate
Outside Spy Northampton, Northamptonshire, UK
Senior Full Stack .NET Developer - Contract C# .NET ASP.NET Core Vue 3 TypeScript REST APIs £400-£450 per day Outside IR35 Remote UK Contract We're looking for an experienced Senior Full Stack .NET Developer/.NET Contractor to join a global SaaS engineering environment, working across Back End services and a modern web application. This is a UK-based remote contract working with an international engineering team across the UK, New Zealand, US and Canada. You MUST be UK based to be considered. The Role You'll be hands-on across C#, .NET, ASP.NET Core Web APIs, Vue 3 and TypeScript, developing new functionality and enhancing an established SaaS platform. You'll work across: C#/.NET/ASP.NET Core/.NET 5+ Vue 3/TypeScript/Composition API/ REST APIs & Back End services Automated testing & maintainable code GitHub & modern development practices AI-assisted development tools such as Claude Code You'll be joining an established...
Outside Spy
Oct 02, 2026
6 Months or more
Senior Flutter Developer - Full Stack - London - Outside IR35 at Technology Boutique Ltd, London, 9 Months, £450-£500 per day
£450 - £500 per day
Outside Spy London, UK
Senior Flutter Developer - Full Stack - London - Outside IR35 My client, a start up requires a Senior Flutter Developer with full stack experience for a permanent position. your CV must evidence recent experience with the following: Senior Flutter Development Firebase Services JAVA Spring Boot Framework API's Data Structures This position is based in Marylebone London.
Outside Spy
Sep 28, 2026
Duration not stated
Senior Full Stack .Net Developer at Enorth Resourcing Limited, Town Centre, £400-£420 per day
£400 - £420 per day
Outside Spy Town Centre, Bournemouth, UK
Senior Full Stack .NET Developer - Contract C# | .NET | ASP.NET Core | Vue 3 | TypeScript | REST APIs £400 - £450 per day | Outside IR35 | Remote UK | Contract We're looking for an experienced Senior Full Stack .NET Developer / .NET Contractor to join a global SaaS engineering environment, working across backend services and a modern web application. This is a UK-based remote contract working with an international engineering team across the UK, New Zealand, US and Canada. You MUST be UK based to be considered. The Role You 'll be hands-on across C#, .NET, ASP.NET Core Web APIs, Vue 3 and TypeScript, developing new functionality and enhancing an established SaaS platform. You 'll work across: C# / .NET / ASP.NET Core / .NET 5+ Vue 3 / TypeScript / Composition API / REST APIs & backend services Automated testing & maintainable code GitHub & modern development practices AI-assisted development tools such as...
Outside Spy
Sep 29, 2026
Duration not stated
Senior Software Engineer at Unify Talent - IT, Digital & Tech Recruitment, United Kingdom, £525-£550 per day
£525 - £550 per day
Outside Spy United Kingdom
Senior Software Engineer Full Stack Developer (Frontend most important) TypeScript or Express.js / Kotlin or Springboot / AWS Initial 6 Month Contract Fully Remote (UK Based) £525-550 per day, Outside IR35 Active SC required We're working with a UK Consultancy client who are putting a team together to deliver a high-profile Cloud-Native Government program. We need Senior Software Engineers who hold active SC Clearance, and have good Full Stack experience with Kotlin, Spring Boot (Java), Express.js or TypeScript, AWS and Terraform or AWS CloudFormation. The Frontend experience is preferable. Urgent Contracts starting ASAP, fully remote, paying up to £550 per day, Outside IR35. Initial 6 month engagement with long term extensions. Tech stack: Frontend (Frontend is the more important end of the stack for this role) Building UIs using Express.js and TypeScript GDS standards Nunjucks Integrating with the backend services Backend...
Outside Spy
Oct 05, 2026
Duration not stated
Developer - Ruby On Rails/.Net at Network IT, Kenilworth, £Contract Rate
Outside Spy Kenilworth, Warwickshire, UK
Network IT is currently recruiting for a Developer to join our client on a 2 month initial contract, working 4 days per week. Our client is looking for an experienced developer, who has worked with Ruby on Rails, .NET and SQL based projects. Details below: Role: Developer - Ruby On Rails/.NET/SQL Duration: 2 months Working Arrangement: 4 days per week initially Location: Warwickshire to collect laptop, remote otherwise Rate: £400 to 450 per day Status: Outside IR35 Key Skills: Core Developer skillset - web, full stack, database querying An experienced Developer who can get up to speed quickly with a project team .Net experience Ruby on Rails experience SQL experience Ideally has a background in the public sector, charities or local authority Available quickly and comfortable with a 4 day working week
Outside Spy
Oct 05, 2026
Duration not stated
BI Developer at Tenth Revolution Group, Rugby, to £400 per day
£300 - £400 per day
Outside Spy Rugby, UK
BI Developer £400 per day | Outside IR35 | 3-Month Contract Rugby, Warwickshire (2-3 days onsite during the first 2 weeks, then it will be moe flexible) We're supporting a client looking for an experienced BI Consultant/Developer with strong Microsoft Dynamics and Power BI expertise to help design and deliver a scalable reporting and analytics platform. This role requires someone who can bridge the gap between business stakeholders and technical teams, working across the full BI life cycle from requirements gathering and data modelling through to dashboard delivery and reporting governance. Key Responsibilities Gather reporting requirements through stakeholder workshops Design and develop data warehouses, reporting marts and analytical data models Build scalable ETL processes and data pipelines Create dimensional models, fact tables, dimension tables and star schemas Develop Power BI semantic models, dashboards and reports Write and optimise DAX measures and...
Outside Spy
Oct 05, 2026
Duration not stated
BI Developer at Tenth Revolution Group, Rugby, £400 per day
£400 per day
Outside Spy Rugby CV23, UK
BI Developer £400 per day | Outside IR35 | 3-Month Contract Rugby, Warwickshire (2-3 days onsite during the first 2 weeks, then it will be moe flexible) We 're supporting a client looking for an experienced BI Consultant/Developer with strong Microsoft Dynamics and Power BI expertise to help design and deliver a scalable reporting and analytics platform. This role requires someone who can bridge the gap between business stakeholders and technical teams, working across the full BI lifecycle from requirements gathering and data modelling through to dashboard delivery and reporting governance. Key Responsibilities Gather reporting requirements through stakeholder workshops Design and develop data warehouses, reporting marts and analytical data models Build scalable ETL processes and data pipelines Create dimensional models, fact tables, dimension tables and star schemas Develop Power BI semantic models, dashboards and reports...
Outside Spy
Oct 02, 2026
Duration not stated
Developer - Ruby On Rails / .Net at confidential, Warwickshire, £400 to £450 per Day
£400 - £450 per day
Outside Spy Warwickshire, UK
Network IT is currently recruiting for a Developer to join our client on a 2 month initial contract, working 4 days per week.   Our client is looking for an experienced developer, who has worked with Ruby on Rails, .Net and SQL based projects.  Details below: Role: Developer - Ruby On Rails / .Net / SQL   Duration: 2 months  Working Arrangement: 4 days per week initially Location: Warwickshire to collect laptop, remote otherwise  Rate: £400 to 450 per day Status: Outside IR35   Key Skills:  Core Developer skillset - web, full stack, database querying  An experienced Developer who can get up to speed quickly with a project team .Net experience Ruby on Rails experience SQL experience  Ideally has a background in the public sector, charities or local authority Available quickly and comfortable with a 4 day working week
Outside Spy
Oct 02, 2026
Duration not stated
Developer - Ruby On Rails / .Net at Network IT, West Midlands, £Contract Rate
Outside Spy West Midlands, UK
Network IT is currently recruiting for a Developer to join our client on a 2 month initial contract, working 4 days per week. Our client is looking for an experienced developer, who has worked with Ruby on Rails, .Net and SQL based projects.  Details below: Role: Developer - Ruby On Rails / .Net / SQL Duration: 2 months  Working Arrangement: 4 days per week initially Location: Warwickshire to collect laptop, remote otherwise  Rate: £400 to 450 per day Status: Outside IR35   Key Skills:  Core Developer skillset - web, full stack, database querying  An experienced Developer who can get up to speed quickly with a project team .Net experience Ruby on Rails experience SQL experience  Ideally has a background in the public sector, charities or local authority Available quickly and comfortable with a 4 day working week
Outside Spy
Oct 02, 2026
up to 6 Months
Developer - Ruby On Rails/.Net at Network IT Recruitment, Warwickshire, 2 Months, £400-£450 per day
£400 - £450 per day
Outside Spy Warwickshire, UK
Network IT is currently recruiting for a Developer to join our client on a 2 month initial contract, working 4 days per week. Our client is looking for an experienced developer, who has worked with Ruby on Rails, .NET and SQL based projects. Details below: Role: Developer - Ruby On Rails/.NET/SQL Duration: 2 months Working Arrangement: 4 days per week initially Location: Warwickshire to collect laptop, remote otherwise Rate: £400 to 450 per day Status: Outside IR35 Key Skills: Core Developer skill set - web, full stack, database querying An experienced Developer who can get up to speed quickly with a project team .Net experience Ruby on Rails experience SQL experience Ideally has a background in the public sector, charities or local authority Available quickly and comfortable with a 4 day working week
Outside Spy
Oct 02, 2026
Duration not stated
Developer - Ruby On Rails / .Net at Network IT, Kenilworth, £400-£450 per day
£400 - £450 per day
Outside Spy Kenilworth CV8, UK
Network IT is currently recruiting for a Developer to join our client on a 2 month initial contract, working 4 days per week. Our client is looking for an experienced developer, who has worked with Ruby on Rails, .Net and SQL based projects. Details below: Role: Developer - Ruby On Rails / .Net / SQL Duration: 2 months Working Arrangement: 4 days per week initially Location: Warwickshire to collect laptop, remote otherwise Rate: £400 to 450 per day Status: Outside IR35 Key Skills: Core Developer skillset - web, full stack, database querying An experienced Developer who can get up to speed quickly with a project team .Net experience Ruby on Rails experience SQL experience Ideally has a background in the public sector, charities or local authority Available quickly and comfortable with a 4 day working week
Outside Spy
Oct 02, 2026
6 Months or more
Senior .NET Developer - Application Support & Agile at Ivy Rock Partners, Remote and hybrid working, 6 Months, £Contract Rate
Outside Spy Remote (Remote and hybrid working, UK)
Senior .NET Developer - Application Support & Agile Fully Remote, Outside IR35 6 month contract We are looking for an experienced .NET Developer with strong application maintenance and support experience to join a development team responsible for a business-critical Legacy application. The role will combine hands-on development, application support and Agile delivery, with responsibility for picking up and managing development tickets, resolving live issues, delivering incremental enhancements and supporting sprint planning. The application is primarily built using C#/.NET Framework , with an Angular Front End . Key Responsibilities Maintain, support and enhance a Legacy C#/.NET Framework application. Diagnose and resolve application defects, performance issues and live service incidents. Investigate problems through to root cause and implement robust technical fixes. Deliver minor enhancements and incremental changes in response to business...
Outside Spy
Oct 01, 2026
6 Months or more
Machine Learning Specialist at ARC IT Recruitment, London, 6 Months, £Contract Rate
Outside Spy London, UK
Machine Learning Specialist Outside IR35 Contract - initial 6 months Competitive day rate Remote (UK) A world-renowned global brand is looking for a hands-on Machine Learning Specialist to join its ML team on an outside IR35 contract basis. The models cover some genuinely interesting problems: valuing products, understanding client behaviour, personalisation, and automated understanding of images. You'll own models end to end, from exploratory work and validation through to production services that developer teams across the business rely on. The stack is Databricks and Azure. The team puts real weight on reproducibility and traceability, so clean experiment tracking and versioning are part of the job, not an afterthought. What you'll bring Strong Python and the standard modelling and analysis stack Practical experience building supervised and unsupervised models across a range of projects Solid validation discipline: experimental design, evaluation metrics,...
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