11 contract net developer jobs found in London

Join this leading Insurance company as an Interim Back-End .NET Developer and play a key role in transforming a modern, high-impact claims automation platform. This is an exciting opportunity to work at the heart of a major claims’ integration programme, designing and building scalable APIs and microservices using the latest .NET technologies, including the likes of .NET Core, .NET 5+. Working within a collaborative and fast-paced delivery environment, you will develop robust backend solutions that integrate seamlessly across multiple systems, You’ll take ownership of designing, developing, and unit testing high-quality code, ensuring solutions are secure, performant, and aligned with best practice coding standards. This role is primarily backend-focused, with some opportunity to contribute minor front-end enhancements where required. Role: Senior .Net Backend Developer, Senior .Net Developer, .Net Core Developer, Software Engineer, Contract .Net Developer, Lead .Net Developer...

Join this leading Insurance company as an Interim Back-End .NET Developer and play a key role in transforming a modern, high-impact claims automation platform. This is an exciting opportunity to work at the heart of a major claims’ integration programme, designing and building scalable APIs and microservices using the latest .NET technologies, including the likes of .NET Core, .NET 5+. Working within a collaborative and fast-paced delivery environment, you will develop robust backend solutions that integrate seamlessly across multiple systems, You’ll take ownership of designing, developing, and unit testing high-quality code, ensuring solutions are secure, performant, and aligned with best practice coding standards. This role is primarily backend-focused, with some opportunity to contribute minor front-end enhancements where required. Role: Senior .Net Backend Developer, Senior .Net Developer, .Net Core Developer, Software Engineer, Contract .Net Developer, Lead .Net Developer...

Join this leading Insurance company as an Interim Back-End .NET Developer and play a key role in transforming a modern, high-impact claims automation platform. This is an exciting opportunity to work at the heart of a major claims' integration programme, designing and building scalable APIs and microservices using the latest .NET technologies, including the likes of .NET Core, .NET 5+. Working within a collaborative and fast-paced delivery environment, you will develop robust backend solutions that integrate seamlessly across multiple systems, You'll take ownership of designing, developing, and unit testing high-quality code, ensuring solutions are secure, performant, and aligned with best practice coding standards. This role is primarily backend-focused, with some opportunity to contribute minor front-end enhancements where required. Role: Senior .Net Backend Developer, Senior .Net Developer, .Net Core Developer, Software Engineer, Contract .Net Developer, Lead .Net...

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...

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...

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,...

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...

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...

TrinIT Talent are looking for a Senior Data Engineer for an Azure native data team the role will be 2 days a week onsite in London working outside of IR35 on a 6 month contract. Microsoft Fabric, Azure Data Lake, Azure Synapse, Power BI Data Integration and ETL designing, building and implementing data pipelines, data models and analytic solutions in Microsoft Fabric. migration from azure synapse to Fabric (using Medallion architecture approach) whilst maintaining existing SQL server, Azure data lake and Azure Synapse analytics environment in production. integrate multiple external 3rd party systems and data sources as well as internal systems into Fabric Data Platform. Integrating using APIs is necessary. ETL development - skilled in designing, building and optimising ETL workflows with best practices for data transformation, validation and loading. Automating upstream and downstream workflows using Power Automate and Power Apps. Data Analytics and Machine...

Senior Salesforce Developer | 6 Month Contract | Outside IR35 | Hybrid - London (2 days per month onsite) I'm currently looking for a Senior Salesforce Developer to join a client of mine for an urgent project. This is a great fit for someone who loves hands on engineering, enjoys solving real business problems, and wants the chance to get involved in AI driven project work. What you'll be doing Building and enhancing core Salesforce solutions across Sales Cloud, Service Cloud and platform components Working closely with architects, consultants and client stakeholders to deliver clean, scalable, well tested code Supporting integrations, data work and platform optimisation Contributing to AI focused initiatives (eg, intelligent automation, AI assisted development, workflow optimisation) Playing a key role in shaping technical delivery across multiple client engagements What we're looking for Strong experience as a Salesforce Developer (Apex, LWC, Flows, APIs) Solid...

Senior Full Stack Developer -Contract Opportunity (Outside IR35) 💰 Up to £700 a day 🌍 1 day a week in London 📅 Start: Monday 27th April ⏳ 6-month contract We’re looking for a Senior Software Engineer to take real ownership across a modern TypeScript stack, delivering end-to-end solutions across both backend (Priority) and frontend. 🔧 What you’ll be doing: *Building scalable APIs with Node.js, NestJS, Prisma & PostgreSQL *Developing modern frontends using React, Next.js & Vite *Integrating third-party tools (payments, auth, etc.) *Leveraging AI tools (e.g. Cursor, Claude, OpenAI) to enhance development workflows and productivity *Contributing to architecture, standards, and technical direction *Delivering production-ready systems from concept to deployment 🧠 What we’re looking for: *5+ years in fullstack development (TypeScript-focused) *Strong backend experience (Node.js, NestJS preferred) *Solid frontend skills (React, Next.js) *Experience...