176 to 200 of 201 C# Jobs in London

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 ...

enterprise integration platforms A strong background in Azure cloud-native architectures Previous leadership experience managing and mentoring engineers and technical initiatives Strong experience with C# and .NET development Experience designing APIs and integration architectures Strong knowledge of RESTful APIs, asynchronous messaging, and event-driven systems Hands-on experience with Azure … Azure SQL, and Storage Services Experience with Azure API Management (APIM), CI/CD, Azure DevOps, and Terraform IaC If you are an experienced C#/.NET developer with a background of supporting enterprise integration platforms then please apply now for immediate consideration and to find out more! Please note ...

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 ...

Senior Dynamics 365 Engineer - D365 - Dynamics 365 CE - Power Platform - Power Automate - FTC Joining a cross-functional product team, you'll be responsible for building, enhancing, and supporting Dynamics 365 applications used across the organisation. ...

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 ...

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first few weeks). C# Software Engineer skills required - Good analytical skills … large projects. Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# Interfacing with hardware/physical products .NET environment, Windows Forms, TCP/IP & UDP protocols Please apply or call for more information. ...

Backend Software Engineer/Developer (C# .Net Rust Low Latency HFT) London/WFH to £80k+ Opportunity to join a hugely profitable High Frequency Trading firm that specialise in crypto markets and earning substantial bonuses in a hands-on role, working with C# and Rust. As a Backend Software Engineer ...

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 ...

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 ...

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 Financial Engineering & Rapid Development to drive innovation in our Investment Technology team. You’ll design advanced analytics and models in C# and Python while ensuring production quality and scalability. The ideal candidate should have a strong track record in quantitative modelling, advanced capabilities in C#, and experience with ...

.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 ...

Role - Stay close to the code while guiding technical decisions Cutting-Edge Tech - Work with Dynamics 365, Azure Cloud, PowerApps, LogicApps, Vue.js , and C# Professional Growth - Access to certifications, leadership pathways, and continuous learning Collaborative Culture - Join a team that values innovation, knowledge sharing, and technical excellence Lead technical design … development for Dynamics 365 solutions Collaborate with architects and business analysts to translate requirements into scalable designs Provide hands-on development in C# , Vue.js , PowerApps , and LogicApps Integrate D365 with Azure Cloud services and ensure security best practices Mentor junior developers and enforce coding standards Troubleshoot and optimize existing solutions ...

signals and AI‐driven asset management. In this role you’ll: Design, build and deliver quantitative models and analytics (optimisation, risk, predictive signals) in C# and Python, with a strong focus on production quality. Drive implementation of the DST target architecture, making key decisions on integration, performance, scalability and real … should meet the following requirements: Strong track record in quantitative modelling for investments (e.g., portfolio optimisation, risk analytics, alpha/signal research). Advanced C# engineering capability (system design, performance optimisation, testing discipline, production support patterns). Strong Python engineering for data/ML workflows, with experience operationalising models into ...

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 ...

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 ...