32 net developer jobs found

.Net 6, .Net 10, C#, ASP.NET, .NET Core, AWS, CDK, IaC, Cognito, S3, KMS, CI/CD, Docker, Containers, Entity, Firebase 3-month contract role. Outside IR35. £500 per day. Must be a UK based candidate. No visa sponsorship or visa transfer. Experience within Healthcare, Pharma or LifeSciences is a definite advantage. The role will involve the following: Migrate the platform to .NET 10 LTS Implement secrets management using AWS Secrets Manager Strengthen authentication and authorisation mechanisms Enhance audit trail and compliance features for healthcare regulations Improve API security, including rate limiting and CORS configuration Update Docker containers and CI/CD pipelines Establish and expand unit and integration test coverage Work with Clean Architecture patterns across the solution To start ASAP. Please email a CV to Roger at Jump IT in the first instance.

.Net 6, .Net 10, C#, ASP.NET, .NET Core, AWS, CDK, IaC, Cognito, S3, KMS, CI/CD, Docker, Containers, Entity, Firebase 3-month contract role. Outside IR35. £500 per day. Must be a UK-based candidate. No visa sponsorship or visa transfer. Experience within Healthcare, Pharma or Life Sciences is a definite advantage. The role will involve the following: Migrate the platform to .NET 10 LTS Implement secrets management using AWS Secrets Manager Strengthen authentication and authorisation mechanisms Enhance audit trail and compliance features for healthcare regulations Improve API security, including rate limiting and CORS configuration Update Docker containers and CI/CD pipelines Establish and expand unit and integration test coverage Work with Clean Architecture patterns across the solution To start ASAP. Please email a CV to Roger at Jump IT in the first instance.

Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET / Full Stack Developer to join a growing payments company. As a .NET Developer , you’ll be working as part of an experienced engineering team building and scaling a high-throughput payments platform. The business is entering its next phase of growth, launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be contributing to a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on development role where you’ll work closely with senior engineers to deliver reliable, scalable...

Lead .NET/Full Stack Developer - Hybrid - £700/day Outside IR35 | C# | Azure | Event Driven Systems | Payments | API Driven We have a unique opportunity for a Lead .NET/Full Stack Developer to join a payments company. As the Lead .NET/Full Stack Developer , you’ll play a key role in shaping and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on technical role where you’ll help drive engineering best practices, contribute to architectural decisions, and mentor...

Senior .NET / Full Stack Developer – Hybrid – £600/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a unique opportunity for a Senior .NET / Full Stack Developer to join a payments company. As a Senior .NET / Full Stack Developer , you’ll play a key role in building and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on senior engineering role where you’ll contribute to architectural discussions, drive engineering best...

Role: Expert .NET Developer - Cross Asset Trading System Location: Very Flexible. Can offer Remote with occasional travel to London City offices Contract: 12 months Rate: Up to £750/day (OUTSIDE IR35) About the Role: We are partnering with a leading investment bank on an ambitious programme to modernise and enhance their cross-asset trading systems. This is a technically challenging, hands-on role, ideal for an expert .NET developer with a strong SQL Server background and experience working in financial environments. Please note, you MUST have very strong low level C#, able to work through complex multithreaed performance issues. Good understanding of multi-threading, garbage collection, concurrency, the CLR is very important for this role. You will be joining a highly skilled team focused on performance, reliability, and scalability, tackling complex issues in Real Time, data-driven applications. This is purely a tech-heavy role-business knowledge is helpful but not...

Full Stack Developer - C# - Angular - SQL - Banking - Remote/London - Outside IR35 possible We are looking for a strong full stack developer, with excellent Front End development skills. Must have: Strong Front End and UI development skills with: Angular, JavaScript and TypeScript C# SQL Excellent Communication skills Very nice to have: GitHub and use of agentic coding assistants such as GitHub CoPilot Azure Docker Ideally come from banking/finance background (Capital Markets/Retail Banking) or similar. Degree in Maths/Physics/Computer Science/IT from Rebrick University. The role is remote based or in London. Suitable applicants could include: .NET Developer, Front End Developer, Web Developer etc.

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence / cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R &D companies, Multi-National Consultancies to SME 's and product based companies. Due to the nature of the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver...

ShareDo Developer - Legal Tech £500 per day | Outside IR35 | Remote | 3-month initial engagement We are supporting a leading UK law firm undertaking continued investment in their legal technology platform and are looking to engage an experienced ShareDo Developer on a contract basis. This role will focus on configuration, workflow development, and optimisation of the ShareDo platform to support operational efficiency across legal teams. The initial engagement is 3 months with a strong likelihood of extension. Key Responsibilities Configure and develop solutions within the ShareDo platform to support legal case management workflows Design and implement workflow automations to streamline operational and client-facing processes Work closely with internal stakeholders and delivery teams to gather requirements and translate them into technical solutions Support ongoing platform enhancements, integrations, and performance improvements Provide technical input...

Content Designer - £500-550pd DOE - Outside IR35 - 3 months+ Hybrid working in Newcastle ( 2 days on site every 2 weeks, rest remote) Please note: Due to the nature of this role, candidates must have prior Central Government experience and rate is dependant on experience. Looking for a meticulous and dependable Content Designer to support the delivery of high-quality, accessible digital content. While the role carries the title of Content Designer, the core responsibilities are more aligned with web content publishing-working closely with developers and subject matter experts (SMEs) to prepare, format, and publish content to a hand-coded website. This position differs from traditional content design roles in that it involves limited user research or structural rewriting. Instead, the focus is on ensuring that content provided by SMEs is implemented accurately, adheres to GDS guidelines, and meets WCAG 2.2 AA accessibility standards. Key Responsibilities Review and...

Freelancer Opportunity Joining an existing account / project Has run PI OR Quarterly Planning for complex organisations or organisations that are introducing it for the first time (Agile at scale) The role is to create templates, ensure people are completing their actions and producing work in the correct formats, meeting deadlines etc Ideally has done this in Banking / Finance (Part time) 50% ideally (will consider full time) - 2 days in person at client offices (Canary Wharf) 6 weeks, start date ASAP Day rate - Outside IR35 We bring together the best in strategic services, user experience and technical delivery using Lean and Agile processes. Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process...

UKIC DV Cleared Java Developer | Outside IR35 We are working with a specialist consultancy supporting highly sensitive national security programmes. They are looking for a Java Developer with active UKIC clearance to join a secure programme delivering critical software capabilities within the UK intelligence environment. This role would suit a developer who is comfortable operating in secure, mission-critical environments and enjoys working on complex Back End systems that underpin high-impact government services. The Role You will join an established engineering team responsible for building and maintaining secure Back End services. Working in an agile environment, you will contribute to the design, development and improvement of scalable Java-based systems that support complex operational requirements. The work will involve collaborating with engineers, architects and stakeholders to deliver robust, secure and well-tested solutions within a highly regulated environment....

Tech Lead – Python / TypeScript / C# / React / Azure £650–£750 per day | Outside IR35 | 6 Month Contract | Remote (Occasional London Travel) I’m currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions within the pensions and investment space. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a small team of senior developers. The role offers the opportunity to work on complex platforms within a highly collaborative environment while helping shape modern engineering practices including AI-assisted and agentic development workflows. The role You will lead a team of four experienced engineers while remaining actively involved in the development process. Alongside technical leadership, you will play a key role in delivery coordination, Agile ceremonies, and stakeholder engagement. You...

ComfyUI Workflow Developer | London | Remote-Friendly | £500 - £600 We're working with a high-end creative agency specializing in hyper-realistic CGI for global luxury brands on this exciting opportunity. We are looking for a technical visionary to bridge the gap between AI experimentation and high-end production pipelines . This role is about more than just generating pretty images; it’s about engineering robust, scalable AI architectures using ComfyUI, Python, and Stable Diffusion to meet the exacting standards of the luxury market. You will move from a high-impact POC sprint into a full-scale production deployment, automating asset generation that rivals traditional CG I. The R ole• Architect and build advanced ComfyUI workflows capable of generating high-resolution, brand-compliant assets at sca le.• Develop custom Python scripts and API integrations to connect AI pipelines with existing Digital Asset Management (DAM) syste ms.• Transition from a 4-week...

Data Engineer / Data Analyst - Power BI Automation Contract: 6 Weeks Rate: Up to £500 per day (Outside IR35) Location: Hybrid - 2 days per week in London We're looking for an experienced Data Engineer / Data Analyst to support the automation and optimisation of a Power BI dashboard for a short-term engagement. This role will focus on building and improving the backend data processes required to enable reliable, automated reporting and analytics. Working closely with a Power BI Developer , you'll assess the existing data landscape, design and implement ETL processes, and ensure the data models underpinning the dashboard are accurate, performant, and well governed. Key Responsibilities Assess and enhance the current data infrastructure to support automated data flows into Power BI. Develop and implement ETL processes to source, transform and load data efficiently. Design data pipelines and orchestration workflows to automate data retrieval and...

Devops Engineer/Site reliability Engineer; SC, Windows, Azure, .NET framework, dot net, Powershell, SQL Server Rate - 400/day Outside IR 35 Contract Duration: 3 months Location: Taunton (on-site 3 days per week) We are seeking a hands-on Site Reliability Engineer to improve the reliability posture of a large-scale, predominantly on-premises platform with some Azure integration. The core system is a.NET Framework 4.8 application hosted primarily on Windows Server/IIS with SQL Server Back End components. Our current Azure Well-Architected Reliability maturity is low, and this role is accountable for driving measurable improvement through both technical uplift and operational process maturity. This is not a tooling role. It is a systems-level practical reliability engineering position focused on reducing operational risk across application, database, infrastructure, and process layers. You will collaborate closely with development, database, architecture, QA, and...

Data Engineer/Data Analyst - Power BI Automation Contract: 6 Weeks Rate: Up to £500 per day (Outside IR35) Location: Hybrid - 2 days per week in London We're looking for an experienced Data Engineer/Data Analyst to support the automation and optimisation of a Power BI dashboard for a short-term engagement. This role will focus on building and improving the Back End data processes required to enable reliable, automated reporting and analytics. Working closely with a Power BI Developer , you'll assess the existing data landscape, design and implement ETL processes, and ensure the data models underpinning the dashboard are accurate, performant, and well governed. Key Responsibilities Assess and enhance the current data infrastructure to support automated data flows into Power BI. Develop and implement ETL processes to source, transform and load data efficiently. Design data pipelines and orchestration workflows to automate data retrieval and...

The Value of Active Minds About Jupiter Jupiter is one of the UK 's leading investment management companies with just under 500 employees and £50.4 billion worth of assets under management (as at 30th September 2025). Jupiter provides investment services to individual and institutional investors through mutual funds (UK unit trusts, Luxembourg SICAVs and Dublin OEICs), separately managed accounts and sub-advised funds. Jupiter has experienced a period of international growth with offices open in EMEA and APAC. The majority of our employees are based in our London office located just minutes from Victoria station which provides stair-free access from both the Underground 's Victoria line and National Rail platforms, as well as limited road crossings to the Jupiter office. Our London office was designed to encourage employees to live active, healthy lives with floor-to-ceiling windows that allow for greater natural light and the benefit of a private balcony,...

Senior Full Stack Developer | Public Sector | Outside IR35 Contract: Outside IR35 Rate: £450-500/day Duration: ASAP start, 6 months initially Location: Fully remote (UK-based only) Clearance: Must be eligible for SC Sector: UK Government/Public Sector experience essential I'm supporting a consultancy delivering digital services into the UK public sector and we're looking for a Senior Full Stack Developer to join the team on a contract basis. This is a hands-on senior role working across the full software development life cycle. You'll design, build, and maintain robust full stack applications within AWS, contributing to architectural decisions and ensuring solutions meet government standards for security, accessibility, and performance. You'll work closely with product, design, and engineering colleagues in an agile delivery environment. Essential Experience Strong hands-on experience with Java (Kotlin) Backend development - Node.js Front End -...

Site reliability Engineer; SC, Windows, Azure, .NET framework, dot net, Powershell, SQL Server Rate - 400/day Outside IR 35 Contract Duration: 3 months Location: Taunton (on-site 3 days per week) We are seeking a hands-on Site Reliability Engineer to improve the reliability posture of a large-scale, predominantly on-premises platform with some Azure integration. The core system is a.NET Framework 4.8 application hosted primarily on Windows Server/IIS with SQL Server Back End components. Our current Azure Well-Architected Reliability maturity is low, and this role is accountable for driving measurable improvement through both technical uplift and operational process maturity. This is not a tooling role. It is a systems-level practical reliability engineering position focused on reducing operational risk across application, database, infrastructure, and process layers. You will collaborate closely with development, database, architecture, QA, and DevOps teams...