426 to 450 of 542 C# Jobs in London

connectivity service. BASIC QUALIFICATIONS - BS degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Computer Science or related discipline. - Experience programming with at least one modern language such as C++, C#, Java, Python, Golang, Rust, Matlab - Technical understanding of space system architecture and subsystem functionality PREFERRED QUALIFICATIONS - Familiarity the following disciplines: Orbital mechanics and constellation design, Spacecraft guidance, navigation, and control More ❯

of large language models Strong understanding of model evaluation methodologies and experience building robust evaluation solutions Familiarity with MLOps tooling for monitoring, automation, and reproducibility Bonus: Experience with .NET (C#), Azure, or JavaScript/TypeScript At Planday, we offer you Benefits like pension, health insurance, inclusive support for new parents and generous vacation On top of your annual base salary More ❯

class, including derivatives Deep understanding of risk sensitivities or "Greeks" such as Delta, Gamma, DV01 etc. Hands-on skills in a programming/scripting language such as SQL, Python, C# Good interpersonal skills and keen to collaborate closely with customers Excellent written and oral communication, with the ability to summarise information to stakeholders in a clear and concise manner Able More ❯

better-rounded professional. BASIC QUALIFICATIONS - Experience in automating, deploying, and supporting large-scale infrastructure - Experience programming with at least one modern language such as Python, Ruby, Golang, Java, C++, C#, Rust - Experience with Linux/Unix - Experience with CI/CD pipelines build processes PREFERRED QUALIFICATIONS - Experience with distributed systems at scale Acknowledgement of country: In the spirit of reconciliation More ❯

model versioning, model deployment CI/CD, MLFlow/DVC) Cloud platform experience, especially from an ML standpoint (AWS preferred) Statistical testing experience Experience with AWS Bedrock Experience with C# Containerization via Docker. Awareness of basic data science and generative AI methods. Exposure to generative AI application frameworks like LangChain, LlamaIndex, SmolAgents and griptape. What's in it for you More ❯

you will have experience of: Selecting and deploying a broad range of tools and test automation techniques including Open-Source technologies and object-orientated design, programming languages such as C# (or Java), Python and TypeScript, PowerApps platform tools, Azure (or AWS) tool stack, test tools like Playwright, using continuous integration, deployment and release tools (Lead essential criteria) Working at senior More ❯

challenges. Demonstrable experience in some areas such as troubleshooting, change management, sandbox strategies, data migration, metadata deployment, and CI/CD release processes. Demonstrable experience in some technologies, including C# .NET scripting, OData/Dataverse/Synapse Datalink, Power Automate development within Power Platform, and DevOps tooling integrated with JIRA. We know that sometimes people can be put off applying More ❯

Senior C# Developer - Commodities Trading - Outside IR35 Exciting opportunity for an experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior experience as a Senior Software Engineer/Senior Developer working as C# Developer in … to traders and senior stakeholders in the business as well as senior technical colleagues such as architects. Central London location, with Hybrid working expected. Very strong core skills in C# are expected Good knowledge of Commodities Trading is also required. Please apply now if your curious to learn more, for a confidential discussion about the role and company Carbon60, Lorien More ❯

QA Analyst - Oracle to NET (C#) Migration & Hybrid System Testing Location: Nottingham/London - Hybrid Length: ASAP - Jan 2026 (6 months) Rate: £450 Hours: 9-6pm About the Project We are modernising a legacy enterprise system built on PHP and Oracle, transitioning to a modern .NET (C#) architecture. This transformation involves re-engineering over 240 Oracle stored procedures and … components function correctly in parallel during the transition. Key Responsibilities Develop and execute detailed test plans and test cases across both the legacy Oracle-based platform and the new C#/.NET services. Validate that the re-engineered C# logic faithfully reproduces the functionality of existing Oracle PL/SQL procedures, triggers, and packages. Perform end-to-end data validation More ❯

QA Analyst – Oracle to NET (C#) Migration & Hybrid System Testing Location: Nottingham/London - Hybrid Length: ASAP – Jan 2026 (6 months) Rate: £450 Hours: 9-6pm About the Project We are modernising a legacy enterprise system built on PHP and Oracle, transitioning to a modern .NET (C#) architecture. This transformation involves re-engineering over 240 Oracle stored procedures and … components function correctly in parallel during the transition. Key Responsibilities Develop and execute detailed test plans and test cases across both the legacy Oracle-based platform and the new C#/.NET services. Validate that the re-engineered C# logic faithfully reproduces the functionality of existing Oracle PL/SQL procedures, triggers, and packages. Perform end-to-end data validation More ❯

specifications Ability to conduct gap analysis and root cause analysis Proven track record in stakeholder collaboration and user acceptance testing Excellent documentation and data communication skills Background in Software - C# and SQL - Not hands on Coding but familiarity if beneficial. What You'll Do: Collaborate with stakeholders to understand business needs and objectives. analyse and document business processes, workflows, and … investigations and detailed analysis of incidents, applying strategic root cause analysis. Communicate effectively with developers regarding data handling in processes. Other Tasks: This role may involve working on some C# development tasks within a C# developer group to enhance both your technical and business knowledge. Why Join Us? Work in a vibrant environment with a collaborative team! Opportunity to grow More ❯

specifications Ability to conduct gap analysis and root cause analysis Proven track record in stakeholder collaboration and user acceptance testing Excellent documentation and data communication skills Background in Software - C# and SQL - Not hands on Coding but familiarity if beneficial. What You'll Do: Collaborate with stakeholders to understand business needs and objectives. analyse and document business processes, workflows, and … investigations and detailed analysis of incidents, applying strategic root cause analysis. Communicate effectively with developers regarding data handling in processes. Other Tasks: This role may involve working on some C# development tasks within a C# developer group to enhance both your technical and business knowledge. Why Join Us? Work in a vibrant environment with a collaborative team! Opportunity to grow More ❯

contract role. The following skills/experience is essential: Business Analyst/Project Manager background Previously worked on SAP Concur or similar EMS/invoice system previously. SQL, Python, C# or Angular background Previously worked in Financial Services Excellent communication skills Rate: Up to £500/day Duration: 12 months + Location: London If you are interested in this SAP More ❯

contract role. The following skills/experience is essential: Business Analyst/Project Manager background Previously worked on SAP Concur or similar EMS/invoice system previously. SQL, Python, C# or Angular background Previously worked in Financial Services Excellent communication skills Rate: Up to £500/day Duration: 12 months + Location: London If you are interested in this SAP More ❯

Mentoring more junior members of the team, from time to time. Requirements Education and Qualifications Degree in a relevant technical or quantitative discipline. Experience Significant professional experience as a C# developer. Experience in a systematic trading environment is strongly preferred. Prior exposure to Rust (or strong C++ experience with the willingness to learn Rust). Proven ability to communicate effectively … with both technical and non-technical stakeholders. Skills Strong proficiency in C# (required). Rust experience (preferred) or strong C++ background with a desire to learn Rust on the job. Proficient in Python (desired). Solid understanding of relational databases (required). Familiarity with messaging systems such as RabbitMQ or Kafka (preferred). Highly motivated, pragmatic, and solutions-focused, with More ❯

the applications and working on BAU tasks and continuous maintenance and evolution of key components and services. The ideal candidate: Major focus needs to be back-end development with C# and .Net along with Angular experience. Extensive experience in Finance and Accounting – Collateral, Settlement, Credit Risk. – More Back Office. Development of services, API’s and serverless functions in a cloud More ❯

the applications and working on BAU tasks and continuous maintenance and evolution of key components and services. The ideal candidate: Major focus needs to be back-end development with C# and .Net along with Angular experience. Extensive experience in Finance and Accounting – Collateral, Settlement, Credit Risk. – More Back Office. Development of services, API’s and serverless functions in a cloud More ❯

down complex problems into manageable tasks. Champion engineering best practices, including Agile methodologies, version control, continuous integration, and test-driven development. Innovation and Technology Apply expertise in key technologies (C#, Angular, Microsoft Azure, enterprise messaging systems) to lead innovation and address technical debt. Contribute to architectural discussions, providing scalable and sustainable solutions. Ensure technical documentation, operational readiness, and performance testing … Advocate for operational excellence, to meet high availability and security standards. Knowledge & Experience Extensive experience leading software development teams with a strong execution track record. Deep technical expertise in C#, Angular, Microsoft Azure, enterprise messaging systems and modern database systems. Proven experience in the design and delivery of domain driven service-oriented architectures. Strong understanding of Agile methodologies and secure More ❯

be working in a tight-knit team of engineers, contributing to the design and development of robust backend and service-layer components. Key skills: Strong commercial experience with .NET, C# Solid understanding of distributed service architecture Experience in FX, e-trading, capital markets, or similar domains Exposure to messaging patterns and service buses (e.g. MassTransit, Azure Service Bus) Redis experience More ❯

development team with an experienced Full Stack developer with particular experience developing web applications within Umbraco CMS. The Person: Demonstrable experience as a Full-stack Developer with proficiency with C# and React on the front end, along with solid experience with Umbraco CMS in a business web facing systems and applications context. Ideally candidates should also be familiar with Agile More ❯

development team with an experienced Full Stack developer with particular experience developing web applications within Umbraco CMS. The Person: Demonstrable experience as a Full-stack Developer with proficiency with C# and React on the front end, along with solid experience with Umbraco CMS in a business web facing systems and applications context. Ideally candidates should also be familiar with Agile More ❯

development team with an experienced Full Stack developer with particular experience developing web applications within Umbraco CMS. The Person: Demonstrable experience as a Full-stack Developer with proficiency with C# and React on the front end, along with solid experience with Umbraco CMS in a business web facing systems and applications context. Ideally candidates should also be familiar with Agile More ❯

ADS, ATSExperience of interacting with end users in the financial industry. Any experience with in the following would be beneficial although is NOT essential C C/Java/C#/other languages Experience of the Front Arena 4 track. Experience of custom model integration. Experience of other Trading Systems. SQL Knowledge of Financial Derivatives. Duration 6 months The rate More ❯

working cross-functionally but want to be the one holding the technical standard, not just translating specs. • You have deep experience with at least one major programming language (Python, C#, Java, etc.): they currently use C#/.NET for their core platform and Python for their data platform and are simplifying this stack as they scale. • You understand what it More ❯

Architect from a strong Technical background that's ambitious and wants to progress into a CTO role. Type of experience would be Solutions Architect, ideally from a .Net/C# Development background with experience of Azure, DevOps and Agile with solid business acumen. Sponsorship and relocation provided if needed. This is a Client facing role and experience dealing with external More ❯