1 to 25 of 30 Contract C# Jobs in London

Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £500/day
meet NHS security, governance and compliance standards Support CI/CD pipelines and modern DevOps practices Essential Skills & Experience Backend Strong commercial experience with: C# .NET/.NET Core ASP.NET Core REST API development SQL Server Frontend Strong experience with: React TypeScript JavaScript HTML5 CSS3 Cloud & DevOps Strong Azure experience ...

Dynamics 365 Developer

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £430/day
/knowledge/experience: (Up to 10, Avoid repetition) 7+ years of hands-on Microsoft Dynamics 365 and Dataverse development experience. Strong experience developing C# Plugins, Custom APIs, and Custom Workflow Activities. Strong understanding of Microsoft Dataverse architecture, solution design, and data modelling. Microsoft Dataverse Web APIs OAuth and modern ...

AI Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Optimization. Agentic AI frameworks such as: Lang Chain Lang Graph CrewAI AutoGen Semantic Kernel Software Development Strong programming expertise in: Python JavaScript/TypeScript C# or Java Experience building RESTful APIs and microservices. Knowledge of software design patterns and scalable application architecture. AI Application Development Retrieval-Augmented Generation (RAG) Vector ...
Hybrid / Remote Options View Job ❯

Software Engineering Specialist

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650 per day
coaching and mentoring to other engineers. Technical Skills We are interested in candidates with experience across some of the following: * Software development using C++, C#, Python, Java or JavaScript * CI/CD using Jenkins, GitLab or similar technologies * Git and GitOps * Terraform, Ansible, Chef or Puppet * Kubernetes and Helm ...

DevOps Engineer - SC Clear

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day £550 per day via UMB
experience Cloud & Platform Technologies AWS SageMaker Python scripting and automation Container orchestration platforms Infrastructure security and hardening Cloud networking and connectivity Application Support Knowledge C# .NET JavaScript React REST APIs Microservices architecture COTS Product Experience Supporting Commercial Off-The-Shelf products within secure environments Troubleshooting intelligence, analytical or partner-provided ...

Web Application Support Engineer (React, ASP.NET)

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £416/day
required Proven experience in web application support, ideally within the financial or corporate settings. Strong understanding of web technologies, including HTML, CSS, JavaScript, C# and relevant frameworks. Familiarity with server environments and database management systems. Excellent problem-solving skills and the ability to work under pressure. Strong communication skills, with ...

Technical Analyst (BA)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£416/hour
delivery environments Knowledge of data modelling concepts Strong communication and stakeholder management skills Experience with tools like JIRA, Confluence and Azure DevOps Exposure to C# or similar technologies is desirable We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient ...

OutSystems Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day
them when building applications/solutions. Knowledge in database modelling and SQL programming (e.g. joins, count, group by, indexes, etc.). Good knowledge of C# and .Net including commonly used code libraries Bsc. in Computer Science or similar field of studies OutSystems Associate Reactive Developer certification UK residency ...

AI Copilot Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £490/day Inside IR35
Canary Wharf office Tech Stack Copilot Powerapps Power platform Javascript Role Development and support of low code Business applications using Power platform, M365, C#, JavaScript. You will collaborate closely with business analysts, business users and stakeholders to understand requirements, design innovative solutions, and bring them to life through development, testing ...

Azure Cloud FullStack

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £520/day
Logic Apps Front-end development experience with React/Angular/Vue.js Back-end development experience with .NET, Node.js or Python Working knowledge of C# and JavaScript, with confidence using JSON Ability to develop with security in mind, particularly around Azure A collaborative, problem-solving mindset-comfortable investigating and fixing ...

AI Engineer (Claude + Copilot)

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Skills: * GitHub Copilot & Claude Code * OpenAI, Azure OpenAI & Anthropic Claude * LLMs & Generative AI * LangChain, LangGraph, CrewAI, AutoGen or Semantic Kernel * Python, JavaScript/TypeScript, C# or Java * RAG & vector databases * REST APIs & microservices * AI agents and prompt engineering For more information or to apply directly, please email I review applications ...

C# Developer

Hiring Organisation
CEI England Limited T/A CEI GB
Location
Isleworth, London, United Kingdom
Employment Type
Contract
Contract Rate
£380 per day
Senior C# Developer Location: Osterley, UK About the Role We are looking for a talented and passionate Software Engineer to join our engineering team based in Osterley . This is an exciting opportunity to work on modern, scalable applications using the latest technologies across backend, frontend, cloud, and DevOps. … while collaborating with cross-functional teams in an Agile environment. Key Responsibilities Design, develop, and maintain scalable backend services using Java and/or C# . Build modern, responsive user interfaces using ReactJS . Develop and support RESTful APIs and microservices . Design, optimize, and maintain database solutions using Oracle ...

Senior Machine Learning Engineer

Hiring Organisation
Hexwired Recruitment Limited
Location
London, United Kingdom
Employment Type
Contract
London, please apply. For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, Golang Development, FPGA, Python, Javascript, C#, Electronics, Secure Boot, Power Electronics, Digital Design, Machine Learning, Data Science or Simulation, contact us today. ...

Embedded Software Engineer

Hiring Organisation
Carbon 60
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 600 Daily
Contributing to the evolution of advanced maritime technologies used globally What We're Looking For Solid experience in embedded software engineering Strong C++ and C# development skills Experience working with real-time, multi-threaded systems Knowledge of Linux environments, Bash scripting, and Python Understanding of networking protocols including TCP/ ...

Embedded Software Engineer

Hiring Organisation
Carbon 60
Location
New Malden, London, Malden, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Contributing to the evolution of advanced maritime technologies used globally What We're Looking For Solid experience in embedded software engineering Strong C++ and C# development skills Experience working with real-time, multi-threaded systems Knowledge of Linux environments, Bash scripting, and Python Understanding of networking protocols including TCP/ ...

Technical Trade Surveillance Implementation Lead

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
driven architecture Message bus technologies Data modelling Database design ETL and integration frameworks Single Sign-On integration Knowledge of the following would be advantageous: C# Python Cloud technologies Lakehouse architectures NoSQL databases Preferred Experience NICE Actimize implementation experience. Communication Surveillance experience. Experience delivering compliance technology programmes. Experience operating within highly ...

Dynamics 365 CE Developer

Hiring Organisation
Amtis Professional Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
solutions Building plugins, workflows, custom APIs and integrations Developing Azure-based integrations using Logic Apps, Function Apps and Service Bus Delivering high-quality C# and .NET solutions Implementing and supporting CI/CD pipelines and ALM processes Supporting secure development practices including OAuth and Key Vault Writing automated tests … demonstrate strong experience across most of the following: Dynamics 365 CE/CRM development Plugins, workflows and custom APIs Dynamics 365 configuration and customisation C# .NET Framework/.NET Core JavaScript, TypeScript, HTML and CSS Web APIs and integration services Azure Functions Azure Logic Apps Azure Service Bus Azure ...

Senior Engineer - Software - V06240

Hiring Organisation
JAM Recruitment Ltd
Location
New Malden, London, United Kingdom
Employment Type
Contract
Contract Rate
£60.00 - £67.47 per hour
reporting on costs (desirable) Background in software product development and/or delivery, preferably in a large, complex multi-project environment Languages used: Ada, C#, C++ APPLY NOW If this sounds like the role for you, we'd love to hear from you! Send your CV to Stella today ...

Automation Application Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £440/day
role in the engineering transformation and automation initiatives, delivering scalable solutions using UiPath while also developing supporting applications, integrations and services using C#/.NET and SQL technologies. Working within an Agile delivery environment, you will collaborate with business stakeholders, application teams, infrastructure engineers and architects to identify automation opportunities … libraries to accelerate delivery. Ensure solutions adhere to governance, security and operational standards. Application Development & Integration Develop supporting applications, utilities and services using C#/.NET. Build and maintain integrations with internal and external platforms using REST APIs, web services and message-based interfaces. Design and develop SQL-based data ...

Credit Risk Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800/day
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/C# tasks such ...

Senior C# Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £416/day Inside IR35
Contract Opportunity | Tier 1 Investment Bank | Canary Wharf Overview Our client, a Tier 1 Investment Bank based in Canary Wharf, is seeking an experienced C# Developer to join a strategic application modernisation programme. This role sits within a technology team responsible for evolving critical business applications, supporting a transition from … across the full software development lifecycle, contributing to the enhancement of existing applications while helping shape the future-state architecture. Key Information Role: Senior C# Developer Location: Canary Wharf, London (Hybrid Working) Contract Length: 6 Months Initial Contract Rate: £416 per day (Inside IR35) Start Date: ASAP The Programme This ...

Full Stack Developer .Net React AWS

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550/day £550 p/d Inside IR35
providing technical leadership across the development lifecycle while supporting the delivery, enhancement and operation of platform services. Key Responsibilities - Develop and maintain applications using C#, .NET, React, Vue.js and REST APIs. - Design and build microservice-based solutions in cloud environments. - Lead delivery of complex development work packages and software changes. … technical guidance across Agile teams. - Investigate and resolve complex application and platform issues. - Support service improvement, operational resilience and incident resolution activities. Essential Skills - C#, .NET and Entity Framework - REST APIs and Microservices - React and JavaScript (Vue.js desirable) - AWS cloud services - Docker and CI/CD pipelines - Jenkins, GitLab ...

Gaming Teacher

Hiring Organisation
Reeson Education
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 190 - 300 Daily
over 100 creative sector employers. -Full and part time posts available -Good OFSTED report -Great work environment got staff Technical skills required Programming experience - C# Visual scripting/basic programming skills - Bolt or similar Unity for 3D game production 3D Modelling and texturing - Blender Experience with Photoshop - concept art/ ...

Senior .NET Developer

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day Inside IR35
London, Bromley and Camberley working on a range of applications for GMOT. RESPONSIBILITIES: Develop, enhance and support a range of critical applications built in C# .NET 8.0/10. The successful candidate will be expected to liaise with both technical and business colleagues locally in London, Bromley or Camberley … Deep functional knowledge or hands on design experience with Web Services (REST, SOAP, etc) Understanding of API design and documentation .NET 8.0/10 (C#) .Net CORE (C#) .NET Framework 4.7+ Angular (v2+), JavaScript Net MVC 5.0 & Web Api 2 ORM (EntityFramework/nhibernate/Dapper) MS SQL Server 2008+ ...

Contract Software Engineers C# & C++ (Linux)

Hiring Organisation
Enterprise Recruitment Limited
Location
New Malden, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Contract Software Engineers C# & C++ (Linux) Near Wimbledon, London 6 months Inside IR35 Were hiring two separate contract engineers to work on hardware-integrated software projects: Contract C# Software Engineer (Windows) C#/.NET Windows desktop applications (Windows Forms) Multi-threaded & networked applications TCP/IP, UDP Hardware/physical ...