1 to 25 of 31 Contract .NET Jobs in London

Full Stack Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
design discussions, and contribute to best practices across the team. Required Skills & Experience Strong proficiency in Python for backend development. Experience with Java and .NET for supporting existing services. Advanced knowledge of Oracle SQL PL and relational databases. Hands-on experience with cloud platforms (AWS, Azure) and containerisation technologies ...

Senior Developer

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
Toolkit and Design System to build accessible, user-focused interfaces. Develop back-end services primarily in Python , while supporting existing systems in Java and .NET . Maintain and enhance legacy services using Oracle SQL PL . Implement robust CI/CD pipelines and infrastructure using AWS, Azure, SQL Server ...

Senior Developer - £400PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £425/day
Backend Development: Develop and maintain backend services, with Python as the preferred language for new systems. Provide support for services built in Java and .NET, ensuring seamless integration and continued reliability. Enhance and maintain existing solutions using Oracle SQL PL. Database & Data Services: Work with relational databases including Oracle ...

AI Developer - Azure, ML, AI Foundry

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £700.0 per day + £market rate (Inside IR35)
Foundry. Hands-on experience with Azure Cognitive Services, Azure OpenAI, and Azure Data Factory. Solid programming skills (Python/C#,/.NET) Experience with Azure DevOps, CI/CD pipelines, and GitHub Actions. Knowledge of containerization (tools ie Docker) and orchestration (ie Kubernetes on Azure). Good awareness ...

Contract Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE ...

C# Developer - Risk IT

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £720 per day
strong academic background in Computer Science, Engineering, or a related field. Proven experience in SOLID Principles/Design patterns Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Excellent communication skills ...

Application Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 500 per day + Inside IR35
documented code Maintain, enhance, and support applications, integrations, and services Identify and implement opportunities for automation and system rationalisation Skills & Experience Strong experience with .NET/C#, SQL Server, React, and Python Hands-on experience with security patterns including OAuth, SAML, and RBAC Solid understanding of Azure cloud services ...

Lead Software Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
front-end interfaces using frameworks such as React, Angular, or Vue.js. Back-End Development: Develop and maintain server-side logic with programming languages like .NET, Node.js, or Python. Nice to have skills: Performance Optimization: Identify and resolve performance bottlenecks in both front-end and back-end systems. Experience with ...

Cloud Security Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
e.g., CIS, GDPR, PCI-DSS, ISO standards) and industry cloud security standards (e.g., NIST, CSA) Proficiency in coding and workload languages (e.g., Python, Java, .NET) and practical understanding of various cloud models (IaaS, PaaS, SaaS) Excellent documentation, presentation, and analytical skills with the ability to convey technical concepts ...

C# .NET Core Developer - Hybrid - Banking

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
Tier 1 Bank - .NET CORE/React/Banking/Architecture Role - C# Developer/.NET Core Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 p/d inside IR35 Tech Stack C# … .NET Core SQL/Oracle React/Typescript Role Deliver, modernise, and support business-critical applications, frameworks and services across our stack (.NET Framework/.NET Core, HTML/CSS/TypeScript/React, Python, SQL Server, Oracle). The role focuses on refactoring legacy systems ...

Dynamics 365 CE Developer

Hiring Organisation
Morson Edge
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 550 per day
Dynamics 365 CRM configuration, customisation, and integration capabilities Expertise in integration technologies like Logic Apps, HTTP, JSON Proficiency in programming languages such as .NET, C#, JavaScript Development and Project Leadership Experienced in developing Dynamics plugins and enhancing forms with JavaScript and HTML Demonstrated leadership in CRM implementation projects from ...

Dynamics 365 Developer/Functional Consultant

Hiring Organisation
Purview Consultancy Services Ltd
Location
South West London, London, United Kingdom
Employment Type
Contract
Dynamics CRM Online 2013, 2015, 2016 or 365. Strong experience with Microsoft Dynamics 365 (Customer Engagement, Sales, Service, Marketing, etc.). Proficiency in C#, .NET, JavaScript, and TypeScript for Dynamics 365 custom development. Experience with Microsoft Power Platform (Power Apps, Power Automate, Power BI). Familiarity with Dataverse ...

Contract C# Software Engineer

Hiring Organisation
Enterprise Recruitment Ltd
Location
Wimbledon, Greater London, United Kingdom
Employment Type
Contract
projects. Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# .NET environment, Windows Forms, TCP/IP & UDP protocols Please apply or call for more information. ...

Solution Architect - Finance, PeopleSoft

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £900 per day - Inside IR35
ability to design high quality reusable processes that result in low levels of production issues. Strong understanding of legacy Oracle PL-SQL procedures and .NET code with the ability to then translate this into PeopleSoft features. Excellent communication and stakeholder management skills. Nice to have: Immediate availability. Hays Specialist ...

Solution Architect - Finance, PeopleSoft

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
ability to design high quality reusable processes that result in low levels of production issues. Strong understanding of legacy Oracle PL-SQL procedures and .NET code with the ability to then translate this into PeopleSoft features. Excellent communication and stakeholder management skills. Nice to have: Immediate availability. Hays Specialist ...

Senior Developer

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
applying strong DevOps, TDD, and modern engineering practice throughout. Key Responsibilities Develop new services using Python while supporting existing components written in Java and .NET Work with Oracle PL/SQL to support legacy and operational systems Engineer solutions across cloud and infrastructure environments including AWS, Azure, Linux … product teams to deliver secure, scalable, user-centred services Required Technical Skills Strong experience building digital services with Python Familiarity with Java and .NET for supporting existing systems Skilled in Oracle PL/SQL Experience with AWS and Azure Knowledge of GitHub, Azure DevOps, Docker, Kubernetes, and Linux Experience ...

Endur Developer

Hiring Organisation
Experis
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Endur Developer 12 months London x2 days onsite Inside IR35 - Umbrella only Skills required Very strong sql skills .Net Endur developers Understanding of settlements process in Endur Templates and generation scripts and ability to write open components Crystal templates Settlement desktop set up Understanding of Deal life cycle ...

Endur Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Endur Developer 12 months London x2 days onsite Inside IR35 - Umbrella only Skills required Very strong sql skills .Net Endur developers Understanding of settlements process in Endur Templates and generation scripts and ability to write open components Crystal templates Settlement desktop set up Understanding of Deal life cycle ...

Full-Stack Developer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £350/day
engineer and analyse existing reports, SQL Stored Procedures, and business logic to define improvement paths and implement changes. Design, build, and maintain high-quality .NET full-stack applications. Support development of dashboards, automated tests, and CI/CD workflows. Collaborate closely within Agile teams, participating in pair programming, peer … reviews, and continuous improvement practices. Contribute to good engineering culture through documentation, clean code, and technical transparency. Required Technical Skills C# Full Stack .NET developer with strong experience in: SQL Server SQL Server Reporting Services (SSRS) ASP.NET web framework Team Foundation Server (TFS) Expertise in reading, interpreting, and modifying ...

Integration Solution Architect - M&A, Healthcare

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract, Work From Home
clinical system integrations Previous experience with Healthcare specific applications (ie Practice Management Systems/PACS/Ophthalmology etc) Working knowledge of MS Dynamics/.Net tech stack Immediate availability Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary ...

Full Stack Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£459 - £460 per day
Full Stack Developer 6 months Remote Inside IR35 - Umbrella only Active SC security cleared or eligible candidates will be considered Experience: Experienced in TDD and working with complex data challenges. Python as the preferred back ...

C# .Net Developer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/day
C# .Net Developer - 3 months+ - Hybrid - Rate circa £500-£650 We are looking for an experienced C# .Net Developer with experience of GenAI to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able … will work on projects developing GenAI capabilities and provide guidance to non-technical people. What you will bring to the team Solid C# .Net experience Fine-tune Large Language Models (LLMs) and other generative architectures. Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases ...

Full Stack Developer

Hiring Organisation
Understanding Recruitment
Location
East London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
well known UK charity who are hiring for a full stack developer to join the team. Key skills for this role are knowledge of .Net, C#, Entity Framework, SQL server, API's and a experience in full stack positions and also an approachable manner in order to gather requirements … organisational project working on an in-house tool allowing partner organisations to work more efficiently. Skills required for the Full Stack Developer are: - .Net Core C#, Entity Framework, LINQ, Razor Pages experience- Strong experience with API's and integration- Good communication skills and a self starter .Net/ ...

C# Developer - Desktop Applications - Banking

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day inside IR35
team staff. Following the existing team programming policy to keep a common development style to be shared in team members. Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of existing systems running in Production. Liaising with the relevant support teams ...

SC .NET developer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
working with a consultancy who need an actively SC cleared .NET developer to join on a 12 month contract Inside IR35 Fully remote 12 month contract (possible extensions) All candidates must have ACTIVE SC CLEARANCE Immediate start (around 6 weeks for the SC transfer) Essentials: .NET 8 C# ...