1 to 25 of 36 Contract C# Jobs in London

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

C# .NET Developer Location: London (3 days onsite per week) Contract: 6 months Rate: £415 per day (via umbrella company) We're looking for a hands-on C# .NET Developer to join our JRIE Development team as an AVP. This is a fantastic opportunity to work on business-critical Windows applications in a collaborative, technically strong environment. If you have … a passion for backend development, large-scale databases, and delivering high-quality code, we'd love to hear from you. Key Responsibilities Develop and maintain C# .NET Windows applications using SQL Server and Oracle. Translate business requirements into scalable technical solutions. Write and optimize SQL scripts (T-SQL and PL/SQL). Support production, disaster recovery, and development environments. … procedures and maintain application change history. Provide occasional out-of-hours support (weekday/weekend). What We're Looking For Essential Skills & Experience Strong hands-on experience in C# and .NET development. Solid background in Windows application development. Proficient in SQL scripting, especially with large datasets. Understanding of MS .NET Framework and object-oriented programming. Excellent communication skills with More ❯

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 ❯

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 ❯

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 ❯

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 ❯

Platform, including: Copilot Studio, Power Automate, Power Apps, and custom connectors Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel Solid programming skills in Python and/or C# Experience with: LangChain, AutoGen, or similar orchestration frameworks Azure AI Search, Form Recognizer, and Language Services GitHub Actions, CI/CD, and DevSecOps practices. Contract: 6 Months Rolling Rate More ❯

Platform, including: Copilot Studio, Power Automate, Power Apps, and custom connectors Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel Solid programming skills in Python and/or C# Experience with: LangChain, AutoGen, or similar orchestration frameworks Azure AI Search, Form Recognizer, and Language Services GitHub Actions, CI/CD, and DevSecOps practices. Contract: 6 Months Rolling Rate More ❯

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 ❯

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 ❯

Quantitative Developer (Python) Leading commodities trading company is looking for a very experienced Quant Developer to work collaboratively with traders, quants and other C# developers and Python developers to help develop systematic trading strategies and be responsible for sorting out highly complex data. Exciting opportunity for a Python Quant Developer who has worked as a Quantitative Developer previously to build More ❯

Skills & Experience for the Power Platform Developer - Centre of Excellence Platform - SC Cleared Proven experience with Power Platform Centre of Excellence (CoE) Understanding of Copilot Studio and its rollout C# for plugin development Solid Azure foundational knowledge Ability to communicate effectively with non-technical stakeholders Education and deep understanding of the Power Platform ecosystem Carbon60, Lorien & SRG - The Impellam Group More ❯

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 ❯

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 ❯

to all stakeholders). Key Skillset Essential Substantial experience of managing software-intensive, complex real-time systems (including Operating Systems, middleware, application level), Languages used in project Ada, C++, C# Ability to operate in a large, complex project at engineering management level in a multi-disciplinary, potentially matrix management environment. Knowledge and experience in use of Combat System Equipment design More ❯

and production monitoring/troubleshooting. Assist with code reviews, debugging, and continuous improvement of RPA solutions. Support knowledge transfer and documentation throughout the project life cycle. Occasionally work on C# development tasks to maintain seamless integration with other systems. Essential Skills & Experience: Strong experience with UiPath (Studio, Orchestrator, Cloud & Standalone setups) and developing at least 20 RPA processes. Hands-on … experience in C# .NET and SQL development for automation purposes. Experience with Windows application development, Citrix automation, and REFramework. Solid understanding of relational databases (SQL Server, Oracle) and SQL Scripting. Excellent problem-solving, debugging, and communication skills. Able to work under pressure, manage multiple projects, and provide production support when required. Desirable: Financial services or banking experience. WPF or API More ❯