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37 net developer jobs found in Manchester

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Outside Spy
Apr 24, 2026
Duration not stated
Senior .NET Developer at Haystack, London, £400 per day
£400 per day
Outside Spy London, England, United Kingdom
Contract .Net Developer - Insurance claims system | £400 Per Day (Outside IR35) We're working with a leading specialist insurer driving a massive digital transformation on this exciting opportunity. This is a high-impact role where you will help overhaul a modern claims automation platform using the latest .NET ecosystems. You will be at the core of a major integration programme, architecting scalable microservices and robust APIs that handle critical insurance workflows at scale. The Role Design and build high-performance backend solutions using .NET Core and .NET 5+ for a flagship claims platform. Architect and deploy scalable microservices that integrate seamlessly across a complex multi-system landscape. Take full ownership of the development lifecycle, from designing secure APIs to implementing rigorous unit testing. Collaborative with cross-functional delivery teams to ensure backend solutions meet high-availability and performance standards. Contribute to...
Outside Spy
Apr 21, 2026
6 Months or more
Azure Architect/.NET Developer - Azure, AWS, .NET, Kafka - London - £550 - £650 P/Day-Outside IR35 at InfraView - Specialist Cloud & IT Infrastructure Technology Recruitmen, London, 18 Months, £550-£650 per day
£550 - £650 per day
Outside Spy London, UK
Azure Architect/.NET Developer - Azure, AWS, .NET, Azure Event Hubs, Kafka - 18 Month Contract - London - £550 - £650 P/Day - Outside IR35 Snr Azure Architect/.NET Developer with experience architecting/implementing large Azure based systems. Proven experience of large data high profile performance transactions, from AWS to Azure ideally within financial services. Skills & Duties: Excellent Azure architecture experience .NET Development Architecture/implementing systems migration from AWS to Azure Event driven processes across an asynchronous architecture Large data high profile performance transactions, ideally within financial services Azure Event Hubs, Kafka, and Message Bus Knowledge of Cosmos Database or Data Cubes Act as the Azure expert Coding experience in .NET and Python Mentor and train Jnr Developers Based in London 3 days a week with flex after 3 - 6 months - 2 days a week Azure Architect/.NET Developer - Azure, AWS, .NET,...
Outside Spy
Apr 20, 2026
Duration not stated
.NET Developer, CMS, Sitecore, Optimizely at Noir, London, £350-£400 per day
£350 - £400 per day
Outside Spy London, UK
.NET Developer, CMS, Sitecore, Optimizely, Umbraco - Remote (Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a leading digital agency powerhouse, delivering transformative online experiences for some of the most recognised brands across Europe. Renowned for blending creativity with cutting-edge technology, they have built an unrivalled reputation for crafting innovative, scalable .NET-driven digital platforms that engage millions of users daily. As part of their continued growth and a surge in exciting Greenfield digital transformation projects, they are looking to recruit a talented .NET Developer to join their award-winning development team. This is an opportunity to work in a fast-paced agency environment where no two projects are the same-ranging from enterprise CMS-driven websites to complex, high-traffic digital ecosystems. Working in...
Outside Spy
Apr 24, 2026
Duration not stated
Dotnet Developer at TechNET IT Recruitment Ltd, United Kingdom, £300 per day
£300 per day
Outside Spy United Kingdom
.NET Developer (Contract) – Internal/Admin Systems | Outside IR35 | Remote (UK) We’re recruiting for a mid-level .NET Developer to join a small team building internal system administration tools for a data-driven platform. This role is focused entirely on internal tooling (not customer-facing product), supporting operational teams with managing platform data, configuration, users, and integrations. What you’ll be doing Building CRUD-based admin interfaces (create, update, manage platform data) Developing user management, roles, and access control features Working with platform configuration and structured datasets Integrating with external systems via APIs Delivering pragmatic, maintainable solutions within a small team Tech requirements Strong experience with .NET and ASP.NET Core Solid SQL Server experience (writing queries, working with data models) Experience building APIs and system integrations Experience building internal tools, admin...
Outside Spy
Apr 30, 2026
up to 6 Months
Front-End Developer/UX Specialist at William Alexander Recruitment Ltd, Royal Oak, 3 Months, £Competitive Rate
Outside Spy Royal Oak, UK
Front End Developer/UX Specialist - React | CMS | .NET environment Stellarmann are looking for a Front End Developer with strong UX capability to scope out a client's website build operations and then strategise, design and then build of a reusable white label website platform within a CMS/.NET based environment. You will play a hands on role across UX design, Front End development ensuring the solution is scalable, accessible, and easily customisable across multiple brands and use cases. Key Skills & Experience In-depth experience with UX/Wireframing, ideally in the design, build, and evolve of a white label website platform Strong experience with React, HTML, CSS, and modern CSS techniques Hands on experience with Kentico CMS and/or WordPress Experience working in .NET environments Proven experience designing and improving user journeys Experience working in agile delivery teams using Jira Experience building scalable, reusable Front End solutions or...
Outside Spy
Apr 30, 2026
Duration not stated
Senior C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) – OUTSIDE IR35 at Smart Sourcer, United Kingdom, £875-£900 per day
£875 - £900 per day
Outside Spy United Kingdom
Senior C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) – OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We’re looking for a ‘best of breed’, deeply senior, technically hands‑on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You’ll need a genuinely Product Centric mindset and approach twinned with experience of AI‑Native Engineering and Agentic Workflow . Skills We’re Looking For: Senior–Staff‑level backend engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda‑first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM, and...
Outside Spy
Apr 30, 2026
6 Months or more
Senior C# Engineer - Agentic & Native AI Engineering, .NET 8/9, AWS (Lambda, SQS) - OUTSIDE IR35 at Smart-Sourcer, United Kingdom, 6 Months, £800-£900 per day
£800 - £900 per day
Outside Spy United Kingdom
Senior C# Engineer - Agentic Workflows & Native AI Engineering, .NET 8/9, AWS (Lambda, SQS) - OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We're looking for a best of breed', deeply senior, technically hands-on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You'll need a genuinely Product Centric mindset and approach twinned with experience of AI-Native Engineering and Agentic Workflow . Skills We're Looking For: Senior-Staff-level Back End engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM, and a...
Outside Spy
Apr 29, 2026
Duration not stated
Senior .Net Backend Engineer at Reapit, United Kingdom, £Contract Rate
Outside Spy United Kingdom
For this vacancy, we require senior .Net Engineers with experience working on AWS, and building advanced agentic workflows. Competitive day rates, outside IR35, fully remote. Reapit – Who are we? Reapit is the original end-to-end business technology provider for estate agencies of all sizes. We’ve been helping sales and lettings agents build relationships and grow their businesses for more than 25 years. Our technology empowers property professionals across Europe, the Middle East, Australia, and New Zealand to work with buyers, sellers, tenants, and landlords to deliver a dream home experience. Worldwide, over 100,000 agents across more than 15,000 branches use Reapit to run their businesses, manage properties, collect rent, engage clients, and provide outstanding customer service every time. What you’ll be doing Reporting to the Director of Engineering, you’ll operate as a highly senior, technically hands-on backend engineer, embedded into a squad and owning...
Outside Spy
Apr 28, 2026
6 Months or more
Staff .NET Backend Engineer (Contract) at Nicoll Curtin Technology, United Kingdom, 6 Months, £900 per day
£900 per day
Outside Spy United Kingdom
Staff .NET Backend Engineer (Contract) UK | Fully Remote (UK-based) | 6 months | £900 per day (Outside IR35) High-growth Product Engineering Team Build and evolve core Back End services powering a large-scale property technology platform We're supporting a well-established, product-led technology business that's continuing to modernise and scale the Back End services behind its core platform. This is a critical engineering role within a mature but evolving environment, focused on building robust, cloud-native services that support real-world, high-volume usage. This role suits an experienced contractor who enjoys owning Back End systems end-to-end, working in production environments, and influencing how services are designed, built and shipped, not just delivering tickets. You'll operate as a Staff-level, hands-on engineer , Embedded within a product squad and working closely with senior engineering leadership to set technical standards and deliver...
Outside Spy
Apr 24, 2026
Duration not stated
Principal C# Backend Engineer - .Net 8/9, AWS (Lambda, SQS), Agentic Workflows (Claude Code), MySQL – OUTSIDE IR35 at Smart Sourcer, United Kingdom, £875-£900 per day
£875 - £900 per day
Outside Spy United Kingdom
Principal C# Backend Engineer - .Net 8/9, AWS (Lambda, SQS), Agentic Workflows (Claude Code), MySQL – OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Principal C# Engineer to lead the development of a greenfield SaaS product . We’re looking for a ‘best of breed’, deeply senior, technically hands‑on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You’ll need a genuinely Product Centric mindset and approach twinned with experience of AI‑Native Engineering and Agentic Workflow . Skills We’re Looking For: Senior–Staff‑level backend engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda‑first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and...
Outside Spy
Apr 24, 2026
6 Months or more
Lead Backend C# Engineer - .NET 8/9, AWS (Lambda, SQS), Agentic Workflows (Claude Code) - OUTSIDE at Smart-Sourcer, United Kingdom, 6 Months, £875-£900 per day
£875 - £900 per day
Outside Spy United Kingdom
Principal C# Backend Engineer - .NET 8/9, AWS (Lambda, SQS), Agentic Workflows (Claude Code), MySQL - OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Principal C# Engineer to lead the development of a greenfield SaaS product . We're looking for a best of breed', deeply senior, technically hands-on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You'll need a genuinely Product Centric mindset and approach twinned with experience of AI-Native Engineering and Agentic Workflow . Skills We're Looking For: Senior-Staff-level Back End engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM,...
Outside Spy
Apr 23, 2026
Duration not stated
D365 F&O Integration Engineer / Developer - Contract at ShareForce, United Kingdom, £500 per day
£500 per day
Outside Spy United Kingdom
D365 F&O Integration Engineer / Developer | Contract | £500 per day | Outside IR35 | UK Remote / Hybrid Overview We are looking for an experienced D365 F&O Integration Engineer / Developer to support a high-profile transformation programme. This role will focus on designing, building and optimising integrations between Microsoft Dynamics 365 Finance & Operations and a range of external systems. This is a hands-on contract role suited to someone who is comfortable operating across architecture, development and delivery in a fast-paced environment. Key Responsibilities Design and build integrations between D365 F&O and third-party systems Develop and maintain APIs, data pipelines and middleware solutions Work with stakeholders to understand integration requirements and translate into technical solutions Support data migration and system interoperability across the wider platform Troubleshoot and resolve integration issues across environments...
Outside Spy
Apr 30, 2026
Duration not stated
Fullstack Developer at Peaple Talent, Bristol, £Contract Rate
Outside Spy Bristol, SD
Full Stack Developer | Remote (Bristol/London based) | 6-months | £450 – £500 p d |(Outside IR35) Firstly, happy new Year to everyone who has come across this advert! Hope everyone here had a great Christmas and enjoyed doing whatever they had planned. A client of mine, who operate in the financial sector are in search of a full stack (.NET/Angular) developer to help manage and maintain their web applications during a time of growth. The company uses GCP for its cloud services and Jasmine for their main testing library. If you have any exposure to working with Playwright, it would be handy, not essential. If Angular is your primary frontend language and you’re strong in .NET, drop me a DM and I would be happy to drop you a call to elaborate on the role in greater detail. Tech Stack GCP Jasmine Playwright Angular (moving to version 14) .NET (moving to version 8) REST API’s C# CSS Specifics Length: 6-month rolling contract Rate : £450 – £500 per day...
Outside Spy
Apr 30, 2026
Duration not stated
Fullstack Software Developer at Peaple Talent, Bristol, £400-£475 per day
£400 - £475 per day
Outside Spy Bristol, SD
Fullstack Software Developer | Hybrid – South-West | 6-Month| £400-£475 p/d (outside IR35) Peaple Talent have partnered with a market leader in the Automotive Tech sector looking for a Fullstack developer on a 6-month contract basis. Ideally 1-2 days a week in office (South-West) but for the right candidate, the client can flex to fully remote if necessary. You will play a pivotal role in supporting this new project our client has embarked on. The client is doing a 1-stage interview process and slots are already booked in commencing Monday 12th with the successful candidate starting Tuesday 3rd January on a 6-month basis. Tech Stack C# .NET core .NET Angular SQL AWS Nice To Haves Python Ash Linux The Package £400 – £475 p/d Interested? If you think you’re right for this Senior Software developer role, then click the ‘Apply Now’ button, send us your CV and we’ll consider you for the first round of interviews. Back to all Jobs Search again View...
Outside Spy
Apr 24, 2026
up to 6 Months
Technical Lead (.Net/React) | Outside IR35 at SR2 - Socially Responsible Recruitment, Bristol, 3 Months, £500-£525 per day
£500 - £525 per day
Outside Spy Bristol, UK
Technical Lead (.Net/React) | Outside IR35 .Net | React | SQL Sever We're working with a consultancy that has just secured a new project and is looking to bring in an experienced Technical Lead/Full-Stack Developer to support delivery from the outset. This is a hands-on role with a blend of technical leadership and active development, ideal for someone who enjoys setting standards while still being deep in the code. The Role You'll play a key role in getting the project off the ground, owning initial technical and infrastructure setup, contributing to development, and providing light-touch leadership across the team. This is a delivery-focused environment where you'll take on more complex tickets while helping to drive engineering best practice. Key Responsibilities Lead initial technical and infrastructure setup to enable development Contribute heavily to hands-on coding (c.80% of the role) Pick up and deliver complex development tickets Conduct code reviews and...
Outside Spy
Apr 24, 2026
Duration not stated
D365 F&O Integration Engineer / Developer at ShareForce, Greater London, £500 per day
£500 per day
Outside Spy Greater London, England, United Kingdom
D365 F&O Integration Engineer / Developer | Contract | £500 per day | Outside IR35 | UK Remote / Hybrid Overview We are looking for an experienced D365 F&O Integration Engineer / Developer to support a high-profile transformation programme. This role will focus on designing, building and optimising integrations between Microsoft Dynamics 365 Finance & Operations and a range of external systems. This is a hands-on contract role suited to someone who is comfortable operating across architecture, development and delivery in a fast-paced environment. Key Responsibilities Design and build integrations between D365 F&O and third-party systems Develop and maintain APIs, data pipelines and middleware solutions Work with stakeholders to understand integration requirements and translate into technical solutions Support data migration and system interoperability across the wider platform Troubleshoot and resolve integration issues across environments...
Outside Spy
Apr 27, 2026
6 Months or more
Senior C# Developer - up to £600 per day (outside IR35) at Hunter Bond, London, 6 Months, to £600 per day
£500 - £600 per day
Outside Spy London, UK
Role Type: Contract Title: Senior C# Engineer Client: Established Financial Institution Rate: Up to £600 P/D! Location: London/Hybrid Duration: 6 month rolling My client is a well-established and successful tech house working in the finance sector who are looking a talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most up to date tech in the industry, on a greenfields project! This is a 6 month rolling Contract, with high possibility of extension, and can pay up to £600 P/D Requirements: Strong experience working with C#/.Net Experience working with Cloud Technologies (Azure preferred) Finance experience a plus! Strong Communication skills with a drive to be working with the best tech! If this sounds like your next contract and you...
Outside Spy
Apr 24, 2026
up to 6 Months
Technical Lead (.Net/React) | Outside IR35 | Remote at SR2 - Socially Responsible Recruitment, London, 3 Months, £500-£525 per day
£500 - £525 per day
Outside Spy Remote (London, UK)
Technical Lead (.Net/React) | Outside IR35 | Remote .Net | React | SQL Sever We're working with a consultancy that has just secured a new project and is looking to bring in an experienced Technical Lead/Full-Stack Developer to support delivery from the outset. This is a hands-on role with a blend of technical leadership and active development, ideal for someone who enjoys setting standards while still being deep in the code. The Role You'll play a key role in getting the project off the ground, owning initial technical and infrastructure setup, contributing to development, and providing light-touch leadership across the team. This is a delivery-focused environment where you'll take on more complex tickets while helping to drive engineering best practice. Key Responsibilities Lead initial technical and infrastructure setup to enable development Contribute heavily to hands-on coding (c.80% of the role) Pick up and deliver complex development tickets Conduct code...
Outside Spy
Apr 30, 2026
Duration not stated
Senior C# Engineer - Agentic AI, AWS, .Net 9 at Smart Sourcer Limited, City of London, £800-£900 per day
£800 - £900 per day
Outside Spy City of London, London, UK
Senior C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) – OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We’re looking for a ‘best of breed’, deeply senior, technically hands-on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You’ll need a genuinely Product Centric mindset and approach twinned with experience of AI-Native Engineering and Agentic Workflow . Skills We’re Looking For: Senior–Staff-level backend engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM,...
Outside Spy
Apr 23, 2026
Duration not stated
Senior Software Developer at Tec Partners, Ipswich, £425 to £475 per Day
£425 - £475 per day
Outside Spy Ipswich, UK
Senior Software Engineer (Contract) 6-Month Engagement | Outside IR35 | Up to £475 per day | Hybrid (London / Ipswich) A rapidly expanding SaaS company is seeking an experienced Senior Software Engineer to support their agile delivery team on an initial 6-month contract. This position offers a strong mix of hands-on development and strategic input, with the opportunity to shape system architecture, influence engineering practices, and contribute directly to product evolution. You'll play a key role in designing, building, and improving scalable cloud-native applications, while also guiding team members and promoting high standards across the development lifecycle. Core expertise required: Advanced experience with C# and .NET (Framework and Core) Frontend development using TypeScript, HTML, CSS, and either React or Vue Proven track record with AWS, ideally including serverless architectures (e.g., Lambda) Experience with CI/CD pipelines and Infrastructure as Code...
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