11 net developer jobs found in London, greater london

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...

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,...

.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...

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,...

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...

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...

Security Architect - SC Cleared - Outside IR35 Location : London Length: Initial 6 Months Type : 1 day a week on-site Clearance : Active SC Clearance IR35: Outside Rate: £500 - £550 Contingency : Must be able to start within 1-2 weeks Sanderson G&D are seeking a Security Architect who will provide strategic cyber security advice and guidance to digital product teams, acting as a Close Support Partner to ensure Secure by Design principles are Embedded throughout the product development lifecycle. The role focuses on assurance, architecture guidance, and risk-based decision support, enabling secure delivery without owning build or operations. Key Responsibilities Attend regular project and design meetings to understand requirements and delivery milestones. Perform initial and iterative threat modelling for new features, integrations, and architectural changes. Advise on secure architecture design, including IAM, network segmentation, encryption, and...

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...

Security Architect - SC Cleared - Outside IR35 Location : London Length: Initial 6 Months Type : 1 day a week on-site Clearance : Active SC Clearance IR35: Outside Rate: £500 - £550 Contingency : Must be able to start within 1-2 weeks Sanderson G &D are seeking a Security Architect who will provide strategic cyber security advice and guidance to digital product teams, acting as a Close Support Partner to ensure Secure by Design principles are embedded throughout the product development lifecycle. The role focuses on assurance, architecture guidance, and risk-based decision support, enabling secure delivery without owning build or operations. Key Responsibilities Attend regular project and design meetings to understand requirements and delivery milestones. Perform initial and iterative threat modelling for new features, integrations, and architectural changes. Advise on secure...

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...

ServiceNow Developer * Experienced in ServiceNow development (with appropriate certifications) * Experienced in ServiceNow IRM module (and certified for Risk & Compliance) * Experience with UI builder and with workspace development * Can configure/develop based on approved user stories, unit test and document configuration Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 10 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An...