176 to 200 of 202 C# Jobs in London

Senior C# Engineer (AI-Native & Agentic Engineering) .NET 8/9, AWS Lambda/SQS OUTSIDE IR35 £750£800/day 100% Remote 11-month rolling contract A rare opportunity to lead the build of a greenfield SaaS product as a deeply senior, hands-on C# engineer. Reporting directly … setting the engineering bar for others, this ones for you. What Youll Bring: Senior/Staff-level backend engineering depth in C# and .NET 8/9 , with the ability to architect and lead distributed REST microservices at scale. Strong authority in AWS serverless : Lambda-first, with hands-on experience ...

C# Developer Role - Hybrid/Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL) Duration - 6 months with very likely extension Location - Hybrid/Liverpool Street (London) - 3 days per week in a Liverpool Street office Rate - £690 per day (Inside IR35) Tech Stack … C# SQL Oracle Tasks Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents. Along with the application development, this role will also ...

Capital Markets Client are looking for a Software Engineering Team Lead - C# to join the team and deliver business critical software that moves markets! They are looking to offer up to £125k basic + 25% Bonus + Double Matched Pension. They go into the office 3 days a week (Hybrid … team of 11) delivering quality engineering solutions. We are looking for: Team Management Experience (Direct Line Management). Strong Technical Ability with .Net/C#, API's (REST/Graph QL) Micro-services, event driven, cloud native technology. Please apply with your CV if you would like to discuss ...

team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead … improvement of development processes and tooling Required Skills & Experience BSc (or higher) in Computer Science or a related scientific discipline Strong recent experience with C# and the latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding ...

team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead … improvement of development processes and tooling Required Skills & Experience BSc (or higher) in Computer Science or a related scientific discipline Strong recent experience with C# and the latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding ...

strong emphasis on Terraform, Kubernetes (AKS), and Azure DevOps. You'll work closely with engineering teams to enable modern application delivery, particularly across C#/.NET, React, and PostgreSQL-based solutions. Key Responsibilities: Design and build Azure infrastructure using Terraform (Infrastructure as Code); deploy and manage workloads on Azure Kubernetes … Vault; configure and manage Azure API Management (APIM); monitor and optimise performance using Azure Monitor; collaborate with developers to support application builds and releases (C#, React, PostgreSQL). Required Skills & Experience: Strong experience with Microsoft Azure; proven use of Terraform for infrastructure provisioning (essential); hands-on expertise in Kubernetes/ ...

Role: Junior C# Quantitative Developer Client: Leading Hedge Fund Compensation: Competitive Base + Performance Bonus Location: London (Hybrid) Overview Join a leading hedge fund where technology and mathematics drive every decision. We’re looking for a talented Junior Quantitative Developer to work alongside experienced quants, traders, and engineers. This … intersection of engineering and research, contributing to the development of mission-critical trading and analytical tools. Key responsibilities include: • Developing and maintaining high-performance C# applications used across research, risk management, and live trading. • Collaborating with quants to implement complex pricing models and robust backtesting frameworks. • Enhancing data processing pipelines ...

Exciting opportunity to join a forward thinking team.... My client seeks an experienced SC Cleared C# developer who is familiar with data modelling concepts, with proven experience of tools supporting the development and version control process, e.g. Git and Jira, combined with Agile Methodologies and frameworks to apply in relation ...

Hunter Bond in Greater London is seeking a Front Office Developer to enhance internal applications and data systems. This role offers collaboration with senior stakeholders, focusing on the development of business-critical platforms. The ideal ...

Job summary We are looking for a Lead Data Engineer that will take ownership and lead on several data engineering and database development activities.The postholder will need to be comfortable with managing various responsibilities, such ...

offers hybrid working with 2-3 days per week in the London office. The ideal candidate should have solid experience with C#/.NET, along with skills in investment banking and CI/CD pipelines. Familiarity with commodities and SQL is also desirable. A chance for extension exists. #J ...

join their Commodity Derivatives team. The role will be working in one of their eTrading/Front office teams. Requirements Experience developing with C#/.NET. Investment banking experience. Experience with CI/CD pipelines Commodities would be desirable SQL experience would be desirable This is a long term contract ...

join their Commodity Derivatives team. The role will be working in one of their eTrading/Front office teams. Requirements Experience developing with C#/.NET. Investment banking experience. Experience with CI/CD pipelines Commodities would be desirable SQL experience would be desirable This is a long term contract ...

Junior C# Full Stack Engineer FULLY ON SITE: London Salary: £60,000 to £75,000 This is a strong opportunity for an early-career C# engineer to accelerate their development in a high-performing, collaborative environment. You will be working on real-time, data-driven systems with direct exposure … building high-performance systems and continuously improving existing platforms. Teams are small, agile, and value curiosity and ownership. The Role * Build and maintain C# and .NET applications across backend and full stack systems * Support development of high-performance, real-time data platforms * Collaborate with engineers to deliver new features ...

Management Customise, enhance, develop, test and optimise reusable components from within the MS stacks to supplement the core product offering using skills in SQL, C# (where applicable), Azure Integration Services, RESTApis and related tools Leverage Power Platforms (Logic Apps, Power Apps/Canvas Apps, Power Automate) to automate workflows across … would be fully acceptable here Solid understanding of core integration techniques utilising a range of the following skills SQL, REST APIs, Service Bus and C# (where applicable) Excellent vendor, stakeholder engagement, communication, training and documentation Experience of aspects of product ownership including roadmap development and backlog management Excellent opportunity ...

Management Customise, enhance, develop, test and optimise reusable components from within the MS stacks to supplement the core product offering using skills in SQL, C# (where applicable), Azure Integration Services, RESTApi's and related tools Leverage Power Platforms (Logic Apps, Power Apps/Canvas Apps, Power Automate) to automate workflows … would be fully acceptable here Solid understanding of core integration techniques utilising a range of the following skills SQL, REST APIs, Service Bus and C# (where applicable) Excellent vendor, stakeholder engagement, communication, training and documentation Experience of aspects of product ownership including roadmap development and backlog management Excellent opportunity ...

AI SOLUTIONS ARCHITECT/AI & CYBER SECURITY SOLUTIONS SPECIALIST Up to £140,000 + Benefits Hybrid Working SECURE has Strategically Partnered with a Multi-Award-Winning, Hyper-Growth Cyber Security SaaS organization at Forefront of ...

Senior C# Full Stack Engineer FULLY ONSITE: London Salary: £100,000 to £130,000 This is an opportunity for a senior engineer to take ownership of complex systems and contribute to the direction of a growing engineering function. You will work on high-impact projects with real-time performance challenges. … projects with significant technical depth. The culture is collaborative, with a strong emphasis on autonomy and ownership. The Role * Lead the development of C# and .NET applications across multiple platforms * Own key components of large-scale systems and drive technical excellence * Design and implement scalable and high-performance solutions * Collaborate ...

delivery of a bespoke research and risk assessment tool built in Dynamics. Write, review, and validate code written in C#, ensuring alignment with development standards and governance. Work across both project delivery and BAU, including backlog ownership and triage support. Collaborate with onshore and offshore resources to deliver high-quality … Platform Specialist will possess: 5+ years' experience in software development, with strong exposure to Microsoft Dynamics and Power Platform. A solid development background in C# .Net, with the ability to understand legacy code. Experience delivering custom Dynamics solutions (not just configuration/customisation). Understanding of Power Platform (Power Apps ...

risk systems. Support and enhance the Repo trading application, including trading workflow tools, reconciliations, and connectivity with internal and external platforms. Build and optimize C# services that ensure robust trade capture, enrichment, validation, and distribution. Collaborate with operations, trading desks, and technology teams to resolve workflow issues and identify functional … implement long term system enhancements. Participate in architectural discussions and contribute to decisions around system design, data models, and integration patterns. Skills & Experience: Strong C#/.NET development experience in Windows environments. Understanding of Repo markets and Fixed Income trade lifecycle processes. Experience with system integration, messaging technologies, and data ...

Principal C# Full Stack Engineer FULL ONSITE: London, £130,000 to £160,000 This role provides the opportunity to operate at a strategic level while remaining hands-on. You will shape architecture, guide engineering standards, and work on highly complex, performance-critical systems. The Company They are a well-established … structure is flat, enabling senior engineers to have real influence over technical direction and business outcomes. The Role * Define and drive architectural decisions across C# and .NET platforms * Lead the delivery of complex, high-performance systems * Set engineering standards and best practices across teams * Collaborate with leadership on technical strategy ...

Level C# Full Stack Engineer FULLY ON SITE: London Salary: £75,000 to £100,000 This role offers the chance to deepen your expertise in C# and .NET within a highly technical team working on complex, performance-led systems. You will take on greater ownership while continuing to grow … underpins key decision-making. Their flat structure enables engineers to contribute ideas and have a tangible impact on projects. The Role * Develop and enhance C# .NET applications across multiple systems * Work on both greenfield projects and improvements to existing platforms * Contribute to system design and performance optimisation * Collaborate with cross ...

Head of Software Engineering (Engineering Manager) Native AI & Agentic Workflows, React, C#, AWS Lead. Elevate. Ship. Outstanding opportunity to join a cloud native, product centric SaaS business thats modernising at pace, investing heavily in engineering excellence (native AI & agentic workflows) , and giving leaders the autonomy to shape the build ...

.NET Engineer (Contract) Tech Stack .NET 10, C#, ASP.NET Core Blazor (Server + WebAssembly) SQL Server (stored procedures) Telerik UI, YARP BFF, Entra ID Playwright + NUnit What You’ll Do Build and maintain Blazor UI (pages, forms, workflows) Integrate with stored-procedure-backed data layer Debug across … auth, and DB layers Contribute to E2E testing What We’re Looking For Strong C#/ASP.NET Core Proven Blazor experience in production Solid SQL Server/stored procs Comfortable in large, opinionated codebases Experience with Telerik/similar libraries Details 3 month contract (very likely to extend) Hybrid ...

gameplay ideas quickly, validate mechanics, and iterate based on player behaviour and data. You will implement core features and systems in Unity using C#, improve performance, fix bugs, and keep the codebase maintainable. You will help establish asset and development pipelines so the team can build content smoothly and consistently. … mini game logic where needed. Key responsibilities Rapid prototyping of mobile game concepts and gameplay loops Feature implementation in Unity with clean, high performance C# Iterating from user engagement and monetisation data where applicable Integrating advertising SDKs and analytics tools for measurement Establishing content pipelines, maintaining the project structure ...