Contract C# Jobs in London

1 to 25 of 36 Contract C# Jobs in London

Contract Senior Software Engineer - eDV Cleared

London, South East, England, United Kingdom
Searchability NS&D
to R&D, implementation to automation. WE 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 FOR THE SENIOR SOFTWARE ENGINEER More ❯
Employment Type: Contractor
Rate: £500 - £750 per day
Posted:

Quantitative Developer

East London, London, England, United Kingdom
Hybrid/Remote Options
Robert Half
validation, performance tuning, and version control processes. Stay up to date with advances in quantitative finance, computational techniques, and emerging technologies. Profile Strong programming experience in Python, C++, or C#; knowledge of NumPy, Pandas, and QuantLib advantageous. Solid understanding of mathematics, statistics, and numerical methods - including stochastic calculus, Monte Carlo simulation, and optimisation. Familiarity with derivatives pricing, risk metrics, and More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Endur Developer

City of London, London, United Kingdom
Hybrid/Remote Options
Staffworx Limited
codebases. Support release cycles and contribute to DevOps practices. Must-Have Skills Strong experience with OpenLink Endur (v16+) including: .NET SDK/Toolkit OpenComponents UDSR Development OpServices Solid .NET (C#) development experience in a trading environment. Experience in Power, Gas, or Metals markets. Strong understanding of trade lifecycle and front-to-back workflows. Desirable Skills Familiarity with SQL Server, Oracle More ❯
Employment Type: Contract, Work From Home
Posted:

D365 FO Technical Architect - FO, Azure, Power BI

London, United Kingdom
Hybrid/Remote Options
Hays Technology
D365 F&O implementations Strong hands-on experience with D365 F&O, Life Cycle Services, and Azure DevOps (source control, gated check-ins, pipelines). Skilled in X++, .NET, C#, and building integrations using REST/SOAP. Solid understanding of DIXF, Azure Data Factory, and integration patterns (synchronous/asynchronous, oData). Practical experience with the Data Management Framework (BYOD More ❯
Employment Type: Contract
Rate: £550 - £595/day up to £595 pd (Inside IR35)
Posted:

D365 FO Technical Architect - FO, Azure, Power BI

London, South East, England, United Kingdom
Hybrid/Remote Options
Hays Specialist Recruitment Limited
D365 F&O implementations Strong hands-on experience with D365 F&O, Life Cycle Services, and Azure DevOps (source control, gated check-ins, pipelines). Skilled in X++, .NET, C#, and building integrations using REST/SOAP. Solid understanding of DIXF, Azure Data Factory, and integration patterns (synchronous/asynchronous, oData). Practical experience with the Data Management Framework (BYOD More ❯
Employment Type: Contractor
Rate: £550 - £595 per day
Posted:

D365 Developer & Analyst

London, South East, England, United Kingdom
Hybrid/Remote Options
Next Best Move
a non-technical audience. Understanding of Agile project delivery. Experience in diagnosing and resolving complex D365 issues. Experience in developing MS Access applications. Experience in developing using VBA, using C# and .NET. Excellent organisational, communication, and stakeholder engagement skills. Qualifications Degree in a relevant field or equivalent experience. Microsoft Certification in D365 Systems Developer. (desirable). What’s on Offer More ❯
Employment Type: Contractor
Rate: £45,000 per annum
Posted:

Microsoft Teams Developer

London, South East, England, United Kingdom
Jonothan Bosworth
API portal , complete with onboarding, documentation, and usage examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management , Azure AD , and App Services . Experience More ❯
Employment Type: Contractor
Rate: £200 - £500 per day
Posted:

Power Platform Developer

London, United Kingdom
Hybrid/Remote Options
Adecco
with HCL Notes (Lotus Notes) versions 9 - 12 is essential. Solid understanding of Azure services, including Azure Functions, Logic Apps, Azure Service Bus, and Azure DevOps. Strong proficiency in C#, .NET, and Unit Testing. Familiarity with CI/CD processes for Power Platform and Azure Services. Prior experience with LotusScript and HCL Notes Formula Language. Background in finance or investment More ❯
Employment Type: Contract
Rate: £415/day
Posted:

Power Apps Developer

South East London, London, United Kingdom
Hybrid/Remote Options
VIQU IT Recruitment
Power Apps with a Microsoft Dataverse data store. Key skills & experience: Solid experience using .Net to develop web applications Proficiency developing both Model-Driven Apps and Canvas apps using C#, JavaScript, and Power Fx. Experience with Microsoft Dataverse Experience with Azure services such as Functions and Service Bus Familiar with solution and Web App deployments via pipelines Experience with Microsoft More ❯
Employment Type: Contract, Work From Home
Rate: £300 - 320 per day + Inside IR35
Posted:

Power Apps Developer

London, South East, England, United Kingdom
Hybrid/Remote Options
VIQU IT Recruitment
Power Apps with a Microsoft Dataverse data store. Key skills & experience: Solid experience using .Net to develop web applications Proficiency developing both Model-Driven Apps and Canvas apps using C#, JavaScript, and Power Fx. Experience with Microsoft Dataverse Experience with Azure services such as Functions and Service Bus Familiar with solution and Web App deployments via pipelines Experience with Microsoft More ❯
Employment Type: Contractor
Rate: £300 - £320 per day
Posted:

IT Tutor - Software Engineering & Development

East London, London, United Kingdom
Langton not 4 profit
and/or equivalent qualification/knowledge gained through experience. Knowledge of Software Developing Tools and Concepts at Level 3 and 4. Knowledge and application of the programme languages C#, HTML5, CSS3, JavaScript, SQL, Python, Java, PHP, Mobile app design & Development. Creativity and flexibility to develop and enhance teaching materials in order to engage learners and respond to learner interests. More ❯
Employment Type: Contract, Part Time
Posted:

Sharepoint Expert

London, United Kingdom
Brightbox GRP Ltd
or consulting roles. - Strong proficiency in SharePoint Online, SharePoint 2016/2019, and Office 365. - Expertise in SharePoint Framework (SPFx), PowerShell, REST APIs, and SharePoint Designer. - Proficiency in JavaScript, C#, HTML/CSS, and SQL Server for custom development and integration. - Experience with document management best practises, including metadata tagging, version control, and retention policies. - Familiarity with AI integration workflows More ❯
Employment Type: Contract
Rate: £400 per day
Posted:

Contract Solution Architect - eDV Cleared

London, South East, England, United Kingdom
Searchability NS&D
best practices in solution design, quality assurance, and delivery. Provide technical guidance and oversight across development teams. Contribute to hands-on solution definition using modern technologies such as Java, C#, or JavaScript . Operate within agile frameworks (Scrum, SAFe) to ensure iterative, value-driven delivery. Apply experience with SharePoint or Electronic Document Management Systems (EDMS) to support secure integration and More ❯
Employment Type: Contractor
Rate: £600 - £850 per day
Posted:

Fixed Income Front Office QA Automation Engineer

London, South East, England, United Kingdom
Adecco
and IT teams to ensure smooth releases and delivery Required Skills and Experience Extensive experience in software testing and QA automation within financial services Strong coding skills in Java, C#, Python, or .NET Experience with Selenium, Cucumber, REST Assured, JIRA, XRAY, and CI/CD tools such as Bitbucket, Bamboo, or Jenkins Strong understanding of Fixed Income products and E More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Automation Application (RPA) Developer

London, United Kingdom
Computappoint
with the SME and Programme Manager to ensure that all project documents are maintained and that knowledge is transferred to clients throughout the engagement Essential Requirements Proven experience in C# .NET & SQL development Good experience of Windows application development Extensive experience with UiPath RPA technologies (Must have used this to create at least 20 processes of varying degrees of complexity More ❯
Employment Type: Contract
Rate: GBP 415 Daily
Posted:

Software Engineer

London, South East, England, United Kingdom
Hybrid/Remote Options
Deerfoot Recruitment Solutions Ltd
and reporting. Mentor engineers and help shape the platform's architecture. What We're Looking For: 4+ years in software engineering (start-up or SaaS preferred). Strong Python & C# skills; API and cloud architecture experience (Azure a plus). Experience with Excel add-ins or Office JS APIs is desirable. Familiarity with AI frameworks (vectorization, RAG) is a bonus. More ❯
Employment Type: Contractor
Rate: £450 - £500 per day
Posted:

Automation QA Engineer- Insurance

London, South East, England, United Kingdom
Lorien
ensuring consistent and reliable testing outcomes. Experience Hands-on experience in automation tools such as Selenium, TestNG, JUnit, Cypress, Playwright, or similar . Strong programming/scripting skills in C# or Java Experience with CI/CD pipelines (Jenkins, GitHub Actions, or Azure DevOps). Exposure to API testing tools (Postman, RestAssured, ). Experience in data-driven testing and validation More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

AI Implementation Specialists - Banking

London, South East, England, United Kingdom
Venn Group
Graph API, and Semantic Kernel Microsoft Purview for data governance and compliance Azure Key Vault, RBAC, CI/CD pipelines, and DevSecOps Programming proficiency in Python and/or C# Familiarity with: Responsible AI frameworks (e.g., NIST AI RMF, ISO/IEC 42001) Regulatory standards (EU AI Act, GDPR, FCA guidance) LangChain, AutoGen, Azure AI Search, Form Recognizer, and Language More ❯
Employment Type: Contractor
Rate: Competitive salary
Posted:

ECB Programme Test Manager

London, United Kingdom
Hybrid/Remote Options
Adecco
Skills & Experience: Extensive QA Experience: A strong background in Quality Assurance, with proven leadership roles in global investment banking environments. Technical Proficiency: Demonstrated expertise in test frameworks such as C# and Java, covering UI, API, and data testing. Test Automation & CI/CD: A robust track record in test automation, including the creation of dashboards, KPIs, and integration into CI More ❯
Employment Type: Contract
Rate: £600 - £700/day
Posted:

Application Development Director

London, South East, England, United Kingdom
Hybrid/Remote Options
Huxley
Experience working with Finance data/reporting in a corporate or investment banking context Excellent stakeholder management and communication skills Confident using JIRA and leading distributed teams Exposure to C# and JAVA would be a nice to have Contract Details Daily Rate : Up to £1150 (Inside IR35) Location : London (Hybrid working) Start : ASAP Duration : Initial 6 months (likely extension) Please More ❯
Employment Type: Contractor
Rate: £950 - £1,150 per day
Posted:

Application Development Director

City of London, London, United Kingdom
Hybrid/Remote Options
Huxley Associates
Experience working with Finance data/reporting in a corporate or investment banking context Excellent stakeholder management and communication skills Confident using JIRA and leading distributed teams Exposure to C# and JAVA would be a nice to have Contract Details Daily Rate : Up to £1150 (Inside IR35) Location : London (Hybrid working) Start : ASAP Duration : Initial 6 months (likely extension) Please More ❯
Employment Type: Contract
Rate: £950 - £1000/day
Posted:

Dynamics 365 & Power Platform Developer

City, London, United Kingdom
Alexander Mann Solutions - Contingency
Sales modules). Strong proficiency in Power Platform: Power Apps, Power Automate. Solid understanding of Azure services and integration Experience with Development Lifecycle (DLC) processes Advanced coding skills in C#, Visual Studio, and JavaScript Proven ability to manage stakeholders and work closely with business teams Next steps This client will only accept workers operating via an Umbrella/PAYE engagement More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

C# / DataStage ETL Developer - Hybrid - Banking - £960 p/d

London, United Kingdom
Hybrid/Remote Options
GCS
Tier 1 bank - Canary Wharf - Hybrid - £960 per day (Inside) - C#/Datastage ETL/Databricks/SQL Role - Full Stack Developer Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 2 days per week in a Canary Wharf office/3 days WFH Rate - £600 - £960 per day (inside IR35) Tech Stack - MUST HAVE C# Datastage … ETL Databricks SQL Finance/Banking experience Skills required C# .Net Framework and Object Orientated programming concepts. Oracle and SQL server (PL/SQL & TSQL). .NET Core C# and .NET (Windows & Web) development. Web API development DataStage ETL Databricks Key Responsibilities Develop and maintain applications using C#, .NET Framework, and .NET Core for both Windows and Web platforms. Design More ❯
Employment Type: Contract
Rate: £600 - £960/day Inside IR35
Posted:

.Net developer

London, South East, England, United Kingdom
eTeam Inc
of every year of education • At least 8-10 years of experience with Information Technology Key Responsibilities • Develop and maintain enterprise-scale .NET applications using ASP.NET Core 9.0 and C# • Design and implement RESTful APIs for biogas trading, inventory management, and regulatory reporting • Build complex business logic for RINS credit calculations, LCFS compliance, and carbon credit trading • Work with PostgreSQL … using SignalR for live trading updates • Implement data validation using FluentValidation • Work with Docker and OpenShift for containerized deployments Required Technical Skills • 5+ years of experience with .NET development (C#, ASP.NET Core) • Strong experience with Entity Framework Core and PostgreSQL • Proficiency in RESTful API design and OpenAPI/Swagger documentation • Experience with authentication systems (OAuth2, JWT, Azure AD) • Knowledge of More ❯
Employment Type: Contractor
Rate: £280 - £297 per day
Posted:

C# Developer

London, South East, England, United Kingdom
Lorien
C# Developer Onsite Working Financial Services Lorien's leading Investment client are looking for a C# Developer to join them on a contract basis on an 6-month contract. We are looking for a strong C# Developer who has experience of working within Investment Banking environments with strong communication skills. This role is based in London. This role will be More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:
C#
London
10th Percentile
£375
25th Percentile
£413
Median
£530
75th Percentile
£688
90th Percentile
£775