1 to 25 of 26 Contract C# Jobs in London

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 ...

Software Engineering Manager - Technical Delivery

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Contract
ability to review architecture, challenge solutions, and implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role in a regulated, innovative ...

Senior Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540 per day
Develop and maintain .NET code for back-end services, APIs, and integrations with other systems. Utilise relevant .NET frameworks and technologies (e.g., ASP.NET Core, C#, Entity Framework). Write unit and integration tests to ensure code quality and reliability. Reverse Engineering: Analyse and understand existing codebases (potentially Python) to identify ...

Sharepoint engineer

Hiring Organisation
McCabe & Barton
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
with unstructured data handling in enterprise content management scenarios. Deep knowledge of SharePoint Online architecture, modern vs. classic experience, SPFx, PnP PowerShell. Strong knowledge C#, ASP.NET Core, .net 8/10, and PowerAutomate Proficiency in migration tools (ShareGate, SPMT, AvePoint, or similar). Strong understanding of Microsoft 365 security/ ...

2x Senior Data Engineers (AWS/ SQL Server)

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700.0 - £750.0 per day + £700-750 Per Day (Inside IR35)
knowledge (Lambda, Amazon S3, API Gateway). Experience working in environments with legacy estates/servers. Experienced with programming languages such as Python or C# etc Background in financial services or data-heavy platforms with experience with legacy/modern platforms. What you'll get in return Flexible working options ...

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 ...

Technical Analyst

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £490/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 ...

Lead .Net Developer x 2

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £850/day Up to £850pd Umbrella
actively seeking multiple Senior .Net Developers to work on a long-term, business-critical data-orientated project. What you'll need to succeed : Extensive C# .Net Development experience ideally within financial services, on data-heavy projects. Extensive SQL server experience - Must Have. Solid experience in database modelling, performance tuning ...

Dynamics CRM Solution Architect - Higher Education

Hiring Organisation
GlobalTech Recruitment
Location
London, United Kingdom
Employment Type
Contract
Automate Nice to have: Experience developing and consuming APIs and web services Knowledge of API security standards and Azure Active Directory integration Proficiency in C#, .NET, or other modern programming languages Experience of DevOps including CI/CD pipelines, version control and deployment strategies If this sounds like you, please ...

.NET Developer, CMS, Sitecore, Optimizely

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
.NET Developer, CMS, Sitecore, Optimizely, Umbraco - Remote (Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a leading digital agency powerhouse, delivering transformative online experiences for some of the most recognised brands across Europe. … involved in building dynamic, content-rich platforms and seamless customer journeys using modern .NET technologies. Applicants should have experience in: .NET, .NET Core, C# and Azure SQL. Candidates should also have exposure to a Content Management System (CMS) such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or DotNetNuke. ...

Cloud Infrastructure Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - 700 per day + Inside IR35
Github Actions, Terraform, and Azure within a Cloud Infrastructure Engineer capacity. • Good working knowledge and practical experience of Azure Monitoring. • Software development experience using C# and SQL Server. • Experience of Packer, Kubernetes, AKS, Flux or Helm The successful Cloud Infrastructure Engineer must be available to work 2 days a week ...

Junior Quantitative Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
across our engineering hubs (London, New York City, and Sydney) About You Professional experience programming in a strongly typed programming language such as C#, Java, C++, Go, or Rust Working knowledge of producing quantitative applications targeting at least one major asset class (e.g. Credit, Rates, FX, Equities, Commodities, etc.) Degree ...

Cloud Infrastructure Engineer

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £600 per day
highly controlled/regulated environments Strong Windows infrastructure knowledge PowerShell scripting experience Strong communication and documentation skills Desirable: Experience with Azure Monitoring Exposure to C#, SQL Server Experience with tools such as Kubernetes, AKS, Helm, Flux or Packer ...

Application Test Analyst (Manual & Automation)

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£415 - £416/day
Positive Attitude: A cheerful and professional demeanor that contributes to a fun and productive work environment. Ideally you will have some coding experience (C# or .NET would be beneficial) Ready to Make an Impact? If you're excited to take on new challenges and contribute to a team that values ...

MS Dynamics Developer (Power Automate / D365 F&O London, UK Security Clearance Required

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£486 per day
high-quality ERP and automation solutions.You’ll be responsible for:- Customising and configuring Dynamics 365 Finance & Operations using Visual Studio, LCS, UDE, PPAC, X++, C# and extension models- Supporting all phases of the D365 F&O implementation lifecycle- Enhancing key modules such as Procurement, Vendor Management, General Ledger, Budgeting, Payments ...

Testing Manager

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 per day
managing defects, coordinating resolution with technical teams and providing clear reporting. Ability to design and maintain simple test automation scripts using tools such as C# or other lightweight frameworks. Experience using test and defect management tools such as ServiceNow or SAP Calm. Strong stakeholder management skills and ability to communicate ...

Build & Imaging Support

Hiring Organisation
Aatom Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
Imaging Support Job Title: Build & Imaging Support Contract Duration: 6 Months Hours per week: 36 Job Details: Skills PowerShell scripting and .NET programming (VB.NET, C#) for build automation, endpoint management, and the development of reusable script libraries. Windows OS image engineering using Windows ADK and DISM, covering online and offline ...

Full Stack Developer C#

Hiring Organisation
OLIVER MARKS CONSULTING LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 per day
enhancements—your core strength should be in .NET and Azure-based back-end development. Key Skills & Experience: Strong back-end development skills using .NET (C#) and Azure Experience designing and building secure APIs and microservices Hands-on integration work within financial services or similarly regulated environments Angular and TypeScript experience ...

Repo Trading Systems C# Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Title: C# Developer - Fixed Income and Repo Trades Location: London, 3 days per week in the office Contract Length: 12 Months + Day Rate: Negotiable via Umbrella Company Are you ready to take your C# development skills to the next level in a dynamic financial environment? Join … leading Financial Institution where your talents will shine! We're looking for a passionate Repo Trading Systems C# Developer to enhance our trading technology and make a real impact. What You'll Do: Develop and enhance robust C# applications for our Repo Trading systems. Collaborate with traders and analysts ...

Lead Integration Engineer

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Contract
scalable operations. The Role: Lead the design, development, and support of integration solutions connecting applications, services, and data across the business. Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). Implement CI/CD pipelines, automation, and modern … standards. Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. What's required: Strong experience with .NET (C#) for APIs and integration components. Hands-on with Azure Integration Services, microservices, and containerisation (Docker, AKS). Experience in Financial Services is essential; knowledge ...

Senior Software Engineer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
operating in a secure environment. Responsibilities: Designing, developing and maintaining features across secure communications and decision support platforms Building and maintaining backend services using C# and related technologies Developing and enhancing user interfaces using React Contributing to security focused system design when working with highly sensitive data Taking ownership … engineers, product specialists and stakeholders and, at senior level, contributing to mentoring and technical discussions About You Strong commercial experience in backend development using C# and the .NET ecosystem Frontend development experience using React or a similar modern JavaScript framework Solid understanding of software engineering fundamentals and agile delivery practices ...

C# Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day inside IR35
Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £415 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms Javascript SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures, business data analysis ...

C# Developer

Hiring Organisation
Apex Systems US
Location
Bromley, Greater London, Bromley Town, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £55/hour
Title: C# Developer Location: Bromley, UK Type: Contract Candidates will be proficient in software design focused on a cross-language REST based n-tier architecture and executed using agile methodologies (Scrum, Test Driven Development, unit/integration testing, pair programming, etc.). The successful candidate will be comfortable driving design … develop our CI pipeline and deployment strategies REQUIRED SKILLS/EXPERIENCE Demonstrable experience of having designed and developed complex server-side functionality in C# SQL - preferably Oracle Shell scripting and basic Unix knowledge desirable Proficient in writing unit, integration, and acceptance tests Comfortable in an agile working environment Self-starter ...

Pricing Services UI Developer

Hiring Organisation
Reed
Location
Central London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£900 - £925 per day, Inc benefits
seeking a highly skilled Pricing Services and Risk Viewer UI Developer to join our dynamic team. This senior software development position requires excellent C# and TypeScript/React skills, a strong knowledge of pricing models, quant libraries and risk analytics for both vanilla and exotic FX derivatives. The successful candidate … Contribute to the continuous improvement of coding standards, testing frameworks, and development practices. Required Skills & Qualifications: substantial experience in software development. Highly experienced in C#, TypeScript/React, and Quant Library integration. Solid understanding of mathematics as applied to derivatives risk and pricing. Excellent written and verbal communication skills ...

Software Engineer

Hiring Organisation
FryerMiles Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
development lifecycle. Key Responsibilities Design, develop, and maintain software applications for public sector clients Write clean, efficient, and well-documented code Work primarily with C# and JavaScript to build modern, secure systems Collaborate with technical and non-technical stakeholders to deliver solutions that meet user needs Participate in code reviews … existing codebases Contribute to continuous improvement of development processes and standards Requirements: Strong experience in software development, with a focus on coding Proficiency in C# and JavaScript Solid understanding of software engineering principles and best practices Experience writing and maintaining production-quality code Ability to work independently and as part ...