1 to 25 of 64 Contract .NET Jobs in the UK

.NET Developer

Hiring Organisation
Response Informatics
Location
Taunton, Somerset, South West, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
develop, and maintain enterprise-scale Azure-based applications within a secure and highly regulated environment. The role requires strong hands-on expertise in C#, .NET, Azure, and cloud-native development practices. The Senior Software Developer will work closely with Lead Developers, Architects, DevOps Engineers, Testers, and Product Owners … improvement initiatives. Key Responsibilities Design, develop, and maintain applications using Microsoft Azure services. Build high-quality, secure, and maintainable solutions using C# and modern .NET technologies. Implement features and enhancements in accordance with functional and non-functional requirements. Contribute to cloud-native solution development following established architectural patterns. Participate ...

Senior .Net Developer

Hiring Organisation
LANCESOFT LTD
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 50 - 55 Hourly
Title: Senior C#/.NET Developer - Financial Services (Risk/Securities Lending) Location: London (Hybrid) Duration: 6 Months contract Job Description Role Overview We are seeking an experienced C#/.NET Developer to join a technology team supporting critical Financial Services platforms, with a strong focus on Risk … risk managers, business analysts, and product owners to deliver robust, scalable solutions in a regulated environment. Key Responsibilities Design, develop, and maintain C#/.NET applications supporting Risk or Securities Lending platforms Build and consume RESTful APIs to integrate with upstream/downstream systems Implement scalable, testable, and maintainable ...

Senior Software Engineer Angular (Fixed Term)

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Contract
sprint reviews and demos, product release cycles and technical reporting, working across both backend and frontend development using technologies such as Angluar, C#/.NET, Azure, Entity Framework, TypeScript, and SCSS/SASS. At Microlise we know the importance of a good work/life balance, so offer flexible ...

Technical Writer AVP

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£416/day
interest to understand software code and technical concepts Technical writing experience within financial services or a similar regulated/complex business environment MS SQL, .Net, C#, SDLC, Agile, Development skills. MS SharePoint, Azure DevOps, Jira Location: This is a hybrid working role, with a requirement to work from ...

Senior C# developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Skills & Experience Essential Significant software engineering experience with a proven track record of delivering complex enterprise systems. Strong knowledge of Python or C#/.NET development within enterprise environments. Experience developing applications in multi-threaded and distributed environments. Strong SQL development skills, including complex query optimisation and database design. ...

Credit Risk Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day
Delivering fast-paced agile high quality software changes and solutions, help running Scrums, Sprints and creating and deploying Releases. Providing guidance and advice on .Net, .Net Core, C#, and other development tools and languages, their usage and upgrades, and leveraging them to maximise the business benefit. Frequent .Net … Risk management and proven ability to work closely with the risk teams to help deliver their strategic objectives. Skills & Experience: Core Development Languages covering .Net Core, C#. Transact SQL (preferably SQL Server). Experience in financial industry. Strong numerical and financial skills with the ability to interpret financial information ...

AI Copilot developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
production deployment. Excellent communication and stakeholder management skills. Ability to work effectively across both technical and non-technical teams. Desirable Experience C#/.NET development. Azure services including Functions, Logic Apps, Azure DevOps and Service Bus. Power BI. API integration experience. SQL and Oracle databases. Experience working within financial ...

x2 D365 CE Developers

Hiring Organisation
Experis
Location
Derby, Derbyshire, United Kingdom
Employment Type
Contract
good architecture principles. Key skills we're looking for Strong Dynamics 365 CE development experience Plugins, workflows, custom APIs and integrations C#/.NET development JavaScript/TypeScript/HTML/CSS Web services, ASP.NET or Web API Azure experience, including Logic Apps, Function Apps and Service ...

Full Stack Developer

Hiring Organisation
Technical Staffing Resources Limited
Location
Leatherhead, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £60 per hour
Business applications and our clients and clients supply chain systems, responsible for designing Web Based API solutions and middleware using Service Orientated Architecture with .NET to facilitate managed data flows between different organisations in a secure environment. Responsibilities Working with the Solution Technical Lead, API Developer will be directly ...

Application Tester

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Software Engineering, Data Science, Information Technology, Business Administration, or Mathematics. Proven understanding of the Software Testing Life Cycle (STLC). Familiarity with MS .NET Framework environments. Experience in API, Middleware, and Batch & Data processing testing. Extensive experience in Windows and Web application testing. Good SQL/data validation skills ...

Net Developer

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day
.Net Developer** (Contract) Duration: 12 Months (Possibility for extension) Location: Bromley/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Overview We are seeking a skilled Software Developer to join our dynamic development team. In this role … will be responsible for developing, enhancing, and supporting a range of critical applications built on the .NET framework (4.6+), alongside some Python work. You will collaborate with technical and business colleagues across various locations, including North Carolina, Jersey City, Singapore, India, and London. Key Responsibilities: Develop and maintain high ...

.NET Engineer | Outside IR35 | £450-550/day | 6 Months

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
.NET Engineer | Outside IR35 | £450-550/day | 6 Months Method Resourcing are partnering with a leading organisation embarking on a major cloud migration programme, with a critical delivery deadline at the end of February. We're looking to engage multiple experienced .NET Engineers to help deliver … working across the full software development lifecycle while helping deliver a high-profile transformation programme. Essential Skills Strong commercial experience with C# and .NET (.NET 6/7/8) AWS cloud experience Strong SQL/database development skills Experience building and supporting enterprise-scale applications Comfortable working ...

Optimizely Episerver Technical Lead/Architect

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Optimizely CMS/Episerver CMS Headless commerce architectures Composable commerce solutions Enterprise B2B and B2C commerce platforms Microsoft Technology Stack Hands-on experience with: .NET/ASP.NET Core/C# REST APIs and integration architecture Azure App Services Azure Functions Azure Storage Azure DevOps CI/CD pipelines ...

Optimizely Commerce Technical Consultant / Architect

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Optimizely Commerce Connect Optimizely CMS Headless commerce architectures Composable commerce solutions Enterprise B2B and B2C commerce platforms Microsoft Technology Stack Hands-on experience with: .NET/ASP.NET Core/C# REST APIs and integration architecture Azure App Services Azure Functions Azure Storage Azure DevOps CI/CD pipelines ...

Senior Software Engineer C++ (Fixed Term Contract)

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Contract
modern C++ (such as C++11 and later), including practical knowledge of memory management, templates, concurrency, and the standard library. Experience with C# and the .NET ecosystem is highly advantageous, particularly in scenarios involving cross language integration or tooling. Proven capability to work effectively within an established software development lifecycle ...

Software Developer Team Lead - 12 Month FTC

Hiring Organisation
IMSERV EUROPE LIMITED
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£75,000
SaaS product, ideally through a re-platforming or single-tenant to multi-tenant transition. Genuinely hands-on technical credibility in the stack (C#/.NET, Angular, Azure), sufficient to set standards and earn the team's respect, without being the person who must write the code. Proven delivery leadership ...

Senior C# / .NET Developer | Risk & Securities Lending

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Senior C#/.NET Developer | Risk & Securities Lending Location: London (Hybrid) Contract Duration: 6 Months Industry: Financial Services About the Opportunity Are you a seasoned C# engineer with a deep understanding of financial markets? We are seeking an experienced Senior C#/.NET Developer to join a high … deliver scalable, robust solutions in a fast-paced, regulated environment. What You Will Do System Development: Design, build, and maintain high-performance C#/.NET applications supporting Risk and Securities Lending workflows. API Integration: Build and consume RESTful APIs to seamlessly connect complex upstream and downstream financial systems. Data ...

C# FX Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
technical and non-technical stakeholders Excellent analytical, problem-solving and communication skills Degree in Computer Science, Mathematics, Engineering or a related discipline Desirable Skills .NET Core ASP.NET React TypeScript Kafka Personal Attributes Strong ownership mentality and delivery focus Able to work effectively in a fast-paced front office environment ...

Quality Engineer - SFIA 5 (CoreMod)

Hiring Organisation
TXP
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £460 per day
passionate about automation, continuous improvement, and embedding quality throughout the software development lifecycle. Technology Stack Frontend Remix React JavaScript Backend Java Spring Framework .NET Data MongoDB Oracle Tools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop and execute test strategies ...

DevOps Engineer (Active SC Clearance Required)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £425 per day + Inside IR-35
following would be beneficial: PostgreSQL NGINX Elastic/Kibana Networking technologies including VPNs and API Gateways Python scripting Container platforms Security-focused environments .NET, C# or modern web applications About you This role would suit someone who: Has built up several years of experience in a DevOps, Infrastructure, Cloud ...

Senior Software Engineer (.NET)

Hiring Organisation
Morgan Hunt Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
development processes (CI/CD, automation, testing) Key Skills & Experience Essential: Strong experience as a Microsoft Software Developer Proven expertise in: C#/.NET (including .NET 6) SQL Server development Test Driven Development (TDD) CI/CD pipelines and deployment automation Solid understanding of: Agile methodologies Software design ...

Sitecore Developer - Outside IR35

Hiring Organisation
SRG
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£0 per day
within a highly collaborative technology team. You'll play a key role in designing, developing and supporting enterprise-grade web solutions, working across modern .NET technologies, cloud platforms and best-practice development frameworks. Key Responsibilities Develop, enhance and maintain Sitecore-based websites and digital platforms. Design and build scalable … solutions using C#, .NET and Sitecore CMS. Work with stakeholders to translate business requirements into technical solutions. Deliver integrations with third-party platforms, APIs and enterprise systems. Support platform upgrades, performance optimisation and technical improvements. Contribute to CI/CD pipelines, automated deployments and development best practices. Collaborate with ...

Software Developer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£559 - £600 per day
Senior C#/.NET Developer | Risk & Securities Lending Duration: 6 Months Contract | Location: London (Hybrid) | Work mode: Hybrid If you're a Senior .NET Engineer who thrives on understanding why a system is being built-not just how to code it-this one's for you. … Mechanics: Working knowledge of RWA, Basel III/IV, CCAR, counterparty limit monitoring, or live exposure calculations. Core Tech Stack: Expert-level C#/.NET (.NET Core), scalable API design, and solid OOP/architectural principles. Data & High Performance: Strong SQL skills, experience handling large data volumes ...

ActiveH Developer (Contract)

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day
data analysis and troubleshooting skills. Experience of UAT, system testing and deployment. Ability to work with technical and non-technical stakeholders. Desirable Skills C#, .NET or web development experience. Power BI development and reporting. Azure cloud technologies. ETL and data migration experience. Housing sector experience within a Housing Association ...

Performance Tester - CGEMJP

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 300 - 365 Daily
architecture teams Technical Skills & Tools Hands-on experience with performance and test tooling such as NeoLoad, JMeter and Visual Studio Working knowledge of .NET/C# and basic SQL to support scripting, data validation and analysis activities Experience using Jira, Confluence and GitLab to manage test activity, documentation, defects ...