1 to 25 of 86 Contract C# Jobs in the UK

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis ...

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and C# .NET Core will shine! We are looking for a tech-savvy professional with a passion for building scalable applications within the financial sector. This … Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with ...

Senior Integration Engineer (Azure)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £600 per day
mentoring our permanent engineering team. What You Bring Integration Expertise: 5+ years of software development experience building robust APIs (REST, SOAP, JSON, XML) using C#, .NET, JavaScript, or Python. Azure Mastery: Deep, proven knowledge of Azure Integration Services, including API Management, Logic Apps, Service Bus, Azure Data Factory, and Azure ...

Software Developer

Hiring Organisation
Robert Walters
Location
Warwickshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Developer contractor who can bring immediate value to the team. Key skills include: Strong proficiency in programming languages such as [e.g., Python, JavaScript, Java, C#, etc.]. Experience with frameworks like [e.g., React, Angular, .NET Core]. Solid understanding of database technologies (SQL/NoSQL). Expertise in API development ...

Principal Technical Lead

Hiring Organisation
RSSB
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Qualifications Proven experience as a technical lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations ...

Senior Software Developer

Hiring Organisation
Tec Partners
Location
Ipswich, Suffolk, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £475/hour
improving scalable cloud-native applications, while also guiding team members and promoting high standards across the development lifecycle. Core expertise required: Advanced experience with C# and .NET (Framework and Core) Frontend development using TypeScript, HTML, CSS, and either React or Vue Proven track record with AWS, ideally including serverless architectures ...

Full Stack Engineer - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £570 per day
pain points, and translate them into technical solutions Strong problem-solving skills with a systems-thinking mindset Highly Valuable Experience Experience with .NET, ideally C# Experience building internal platforms or developer tooling (e.g., PaaS) Experience supporting data science or analytics workflows Experience with CI/CD pipelines (e.g., Azure DevOps ...

Senior Software Developer

Hiring Organisation
JAM Recruitment Ltd
Location
Lytham St. Annes, Lancashire, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£44.31 - £46.8 per hour
tools, technologies and development approaches Share knowledge, provide technical guidance and support continuous improvement within the team Essential Skills & Experience Strong commercial experience using C# Experience developing desktop applications with WPF and/or WinForms Experience working with or maintaining VB6 applications Solid understanding of structured software development in regulated ...

Power BI Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£416 - £490/day
DAX. - Strong experience in data modelling, ETL processes, and relational databases. - Solid understanding of data sources such as Oracle, SQL, and Dataverse. - Experience with C#, JavaScript, HTML5, and REST API. - Familiarity with Agile delivery, CI, and automation tools. - Knowledge of Azure services and Databricks is a plus! Desirable Qualities: - Excellent ...

Net Developer

Hiring Organisation
TXP
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day Inside IR35
services on Azure, collaborating closely across engineering and product in a fast-paced, regulated environment. 3-5 years' hands-on software development experience Strong C#/.NET skills (microservices and/or API-first preferred) Basic Azure knowledge (e.g., Application Insights/monitoring) Exposure to Azure DevOps (or similar tooling ...

Senior Systems Integration Consultant - Contract

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
databases Ensure data consistency and system reliability Support high volume operational workflows Collaborate with internal teams and stakeholders Core Skills Required Strong .NET or C# background Experience with Azure services including Functions, Logic Apps or API integrations Proven systems integration experience Strong data experience including SQL and ETL or data ...

Senior Full Stack Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £600 per day
What you’ll be doing Designing and building end-to-end full-stack solutions in a modern cloud environment Backend development using Python and C# Frontend development with TypeScript and React Working within Azure (Functions, Azure SQL, Service Bus, ADF) Contributing to architecture discussions, technical design, and code reviews Applying ...

Senior Web Application Developer ASP.NET MVC 5, C#, & React

Hiring Organisation
PCR Digital
Location
Hammersmith, London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £538/day Inside IR35 to Umbrella
Senior Web Application Developer ASP.NET MVC 5, C#, & React Location: Hybrid 3/4 days p/w onsite West London Must have right to work in the UK and located near West London 3 months contract (extension TBC) Start ASAP (Immediate start/within 2 weeks notice) Inside IR35 … rata £(Apply online only)k Seeking a Senior Web Application Developer (ecommerce) with Minimum 8 years of Web application development experience consisting of strong C#, ASP.NET MVC 5, and React. Strong knowledge of Object-Oriented Programming, SOLID principles, common design patterns and RESTful API design and integration (experience with SOAP ...

Senior FullStack Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React JS on the front-end and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, with experience … delivered micro front-end architectures, and creating a reusable component library Experience with Telemetry and observability of front-end applications Back-end: Expertise in C# .NET Core , C#, REST APIs, Web APIs, and microservices-based development. Experience in transforming monolithic applications into composable microservices, or modular monoliths is a plus. ...

Senior FullStack Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React JS on the front-end and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, with experience … delivered micro front-end architectures, and creating a reusable component library Experience with Telemetry and observability of front-end applications Back-end: Expertise in C# .NET Core , C#, REST APIs, Web APIs, and microservices-based development. Experience in transforming monolithic applications into composable microservices, or modular monoliths is a plus. ...

Sitecore Technical Lead

Hiring Organisation
Mansion House Consulting
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Annual
Cloud Deep understanding of Sitecore architecture, content modelling, and multi-site setups Headless delivery experience (eg, JSS , Experience Edge ) is desirable Backend Strong C#/.NET (preferably ASP.NET Core ) REST API design and integration patterns Experience applying Sitecore Helix principles Exposure to Azure (or similar cloud hosting) is a plus ...

Senior C++ Software Engineer - Systematic Trading

Hiring Organisation
Templeton and Partners
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Deep knowledge of algorithms, data structures, and performance optimisation. Understanding of the full exchange-traded derivatives life cycle. Strong Scripting & automation skills (Python, PowerShell, C#, SQL, etc.). Proven experience with application deployment best practices and proactive system monitoring. I ndustry Experience 8+ years in Trading, Systematic Trading, Capital Markets ...

Contract Platform Database Administrator

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Disaster Recovery). Good working knowledge of Windows Server Administration and specifically IS Administration. Desirable Skills: Ability to read and understand Programming languages: VB.NET & C# .NET. Applications Administration skills. Experience with virtualization software: Hyper-V. Degree-level qualification in computer-related discipline and/or professional qualification(s) (Microsoft). ...

Senior Azure Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Service Bus and message queue systems. Microsoft Dynamics 365 and Power Automate expertise. Strong understanding of integration patterns and secure data transfer. Proficiency in C#, PowerShell, and scripting. Background in Azure cloud services and automation. Strong communication and documentation skills. Understanding of public sector IT environments. Nice to have: Experience ...

RPA Developer (UiPath)

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
bots for efficiency and performance gains. Required Skills & Experience 36 years of hands on UIPath experience (Studio, Orchestrator, Assistant). Proficiency in VB.NET/C#, Regex, LINQ, and working with APIs (REST/SOAP). Experience integrating with OCR tools (ABBYY, Document Understanding, AI Center). Understanding of BPM, workflow ...

Senior C++ Developer

Hiring Organisation
Real Technical Solutions
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
Senior C++ Software Engineer/Developer, you have: Unix/Linux experience. Experience of financial markets and the trade life cycle beneficial. C# and any GUI development experience. Senior C++ Developer - London Based in the City of London (2 days in the office)/6 months rolling/ ...

Senior DevSecOps Engineer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Extensive experience in designing enterprise-scale CI/CD solutions, with a focus on GitLab. Hands-on experience in supporting build pipelines for Java, C#, JavaScript, and Python is essential. Cloud & Containerization Expertise : Proven ability to deliver containerized and cloud-ready applications, with experience in integrating CI/CD pipelines ...

KPI Developer

Hiring Organisation
Technical Staffing Resources Limited
Location
Leatherhead, Surrey, South East, United Kingdom
Employment Type
Contract
Advanced Knowledge of SSIS including MPP, advanced error management and integration with structured, semi-structured and unstructured data sources. Experience of developing in C# within SSIS and for advanced integration Experience of working in a Devops Agile Environment with differing skill levels. Experience of Implementing advanced DW techniques, including ...

Lead Developer C# Azure .Net Dynamics

Hiring Organisation
Interact Consulting Limited
Location
Towcester, Northamptonshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Contract Outside IR35 £500-£600 per day 6 months initial Remote with 1 day per week in Northampton We are seeking an experienced Lead Systems Developer to take ownership of the design, delivery, and technical ...

FLIGHT SIMULATION SOFTWARE ENGINEERS C/C

Hiring Organisation
Morson Edge
Location
Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35,000 - 65,000 Annual
Desirable Skills and Competencies • Experience of safety critical systems and software in aerospace, automotive or a related industry • Web technologies including Javascript, HTML, etc • C# & C++, Python programming • Windows application development using Visual Studio • Knowledge of ARINC, AFDX and/or CAN bus protocols • Atlassian toolset (Jira, Jira Service Desk ...