1 to 25 of 48 Contract C# Jobs in London

wide range of technologies, languages, and frameworks Proven experience architecting cloud-native enterprise applications in Microsoft Azure (Azure Solution Architect certification or equivalent is a strong plus) Expertise in C# and the .NET ecosystem , delivering robust enterprise-grade applications Hands-on experience designing distributed microservices and event-driven integrations Proficiency with modern web frameworks and technologies such as React, Angular More ❯

with CI/CD tools Skills & Experience Required Proven experience in IT automation projects Proficiency in UiPath Studio, Orchestrator, and Test Suite Strong programming skills in Java, VB.NET, or C# Familiarity with Git, Bitbucket, and Azure DevOps Excellent problem-solving and communication skills Preferred UiPath certifications (e.g., Advanced RPA Developer or Testing Engineer) Experience testing financial applications (Front, Middle, Back More ❯

with CI/CD tools Skills & Experience Required Proven experience in IT automation projects Proficiency in UiPath Studio, Orchestrator, and Test Suite Strong programming skills in Java, VB.NET, or C# Familiarity with Git, Bitbucket, and Azure DevOps Excellent problem-solving and communication skills Preferred UiPath certifications (e.g., Advanced RPA Developer or Testing Engineer) Experience testing financial applications (Front, Middle, Back More ❯

skills including solution design documents, technical specifications, and user guides. Strong knowledge of CRM and ERP business processes - in sectors such as healthcare, retail, or regulated industries. Proficiency in C#, .NET, JavaScript, and SQL Server. Experience with data migration, integration strategies, and legacy system transformation. Strong stakeholder engagement and communication skills. Familiarity with Agile and DevOps methodologies. Data savvy (XML More ❯

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 ❯

patterns, their usage, implementation and implications, including documenting and agreeing the design inclusive of the trade-offs for commodity trading systems. Familiarity with core AWS product offerings; code development (C#/Java); microservice containerization tools (Docker, OpenShift, Kubernetes); web UI development (React). Must understand Infrastructure as a Code (Terraform) Integration - Expert experience with integration techniques, including real-time messaging More ❯

patterns, their usage, implementation and implications, including documenting and agreeing the design inclusive of the trade-offs for commodity trading systems. Familiarity with core AWS product offerings; code development (C#/Java); microservice containerization tools (Docker, OpenShift, Kubernetes); web UI development (React). Must understand Infrastructure as a Code (Terraform) Integration - Expert experience with integration techniques, including real-time messaging 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 ❯

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 ❯

testing. Planning and execution of unimpactful deployments. Maintain and support Live systems. Optimise delivery patterns. Maintain COTS (Commercial off the shelf) products integrated within Live systems. Required Skills & Experience: C#/java, .NET Core Containerisation (Docker, Kubernetes, OpenShift) xUnit Agile working practices CI/CD tooling Scripting experience (Python, Perl, Bash, etc.) ELK (Elastic stack) JavaScript Cypress Linux experience Search More ❯

FDM is a global business and technology consultancy seeking a C# Developer to work for our client within the advisory and consultancy sector. This is initially an 8-month contract with the potential to extend and will be a remote role with occasional trips to London. Our client is looking for a C# Developer who would be working on a … adhered to Adopt a continuous learning and improvement mentality, promoting an innovative culture, staying up to date with trends Build and maintain early-stage product ideas/concepts using C# and .NET Contribute to full stack development using React for front end work while integrating AI driven features Requirements Minimum of 5 years’ experience as a C# Developer with proficiency … in Python, .NET framework and C# as well as experience with ML.NET, ASP.NET, MVC, Web API Containers (Docker/Kubernetes), Machine Learning Operations (MLOps) and CI/CD Good knowledge of IT industry trends (especially GenAI and AgenticAI), suppliers, platforms and products Post productions MLOps, Model retaining and Drift monitoring in Azure with knowledge of Microsoft Azure Strong understanding of More ❯

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 ❯

report generation in formats such as PDF and Excel. Writing SQL scripts for both SQL Server and Oracle to support additional functions and data analysis. Communicating effectively with other C# developers to ensure seamless data processing across systems. Providing regular updates on project progress, addressing development issues, and supporting User Acceptance Testing (UAT). Conducting ongoing monitoring and troubleshooting of More ❯

join on a 3month contract (possible extensions). Inside IR35 Fully remote 3 month contract (possible extensions) All candidates must have ACTIVE SC CLEARANCE Immediate start Essentials: .NET 8 C# ASP.NET Core Visual Studio Visual Studio Code SQL Server within AWS More ❯

parties. Ensure quality assurance standards and regulatory requirements are met. Key Skills & Experience: Extensive experience in QA , with leadership roles within global investment banking. Proven expertise with test frameworks (C#/Java) across UI, API, and data. Strong track record in test automation, dashboards, KPIs, CI/CD, DevOps integration . Deep knowledge of regulatory/audit frameworks (ECB, FCA More ❯

for a Quantitative Python Developer to join their team.The role will be working within a LNG, Power, Gas team.Requirements: Python Development Libraries - Pandas, Numpy, SciPy Preference for multiple language (C#, C++, Rust, Java) Quantitative development. Commodities experience, LNG, Gas, Power would be a bonus. An understanding of DevOps, specifically Azure cloud experience would be a bonus. This is a initial More ❯

Quantitative Python Developer to join their team. The role will be working within a LNG, Power, Gas team. Requirements: Python Development Libraries - Pandas, Numpy, SciPy Preference for multiple language (C#, C++, Rust, Java) Quantitative development. Commodities experience, LNG, Gas, Power would be a bonus. An understanding of DevOps, specifically Azure cloud experience would be a bonus. This is a initial More ❯

applications using the Java stack. Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/SOAP). Active SC More ❯

applications using the Java stack. Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/SOAP). Active SC 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 ❯

Senior C#/Angular Full Stack Developer - Commodities/Trading sought by leading financial services organisation based in West London.**Outside IR35 - 3 days a week on site** SUMMARY This role will suit a full-stack developer, with a broad, yet modern skill set and a proven track record, who ideally has some knowledge and experience of the commodity or … and identify creative solutions Experience and expertise with the following technical stack Angular 13+ with DevExtreme UI library desirable Playwright, ReadyAPI and Specflow. Jira, Github, Confluenc Nice to have - C# and .NET6+ Rest API's and Microservice architecture SQL Server Database, NHibernate or Entity Framework Demonstrate expertise of: Building modern-web applications Modern UI design principles. i.e. Able to take More ❯

Senior C#/Angular Full Stack Developer - Commodities/Trading sought by leading financial services organisation based in West London. **Outside IR35 - 3 days a week on site** SUMMARY This role will suit a full-stack developer, with a broad, yet modern skill set and a proven track record, who ideally has some knowledge and experience of the commodity or … and identify creative solutions Experience and expertise with the following technical stack Angular 13+ with DevExtreme UI library desirable Playwright, ReadyAPI and Specflow. Jira, Github, Confluenc Nice to have - C# and .NET6+ Rest API's and Microservice architecture SQL Server Database, NHibernate or Entity Framework Demonstrate expertise of: Building modern-web applications Modern UI design principles. i.e. Able to take 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 ❯

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 ❯