21 of 21 Remote Permanent Senior C# Developer Jobs

Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a … Senior C# Developer you will work on critical systems across front, middle and back office systems to support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and … flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code and a range of facilities. About you: You have strong C# desktop development experience on Windows within a banking or financial services environment You have a strong knowledge of SQL databases You have a good understanding of asset classes e.g. More ❯

Senior Developer/Consultant (C# .Net Core API Cloud) Hatfield/WFH to £80k Are you an experienced Senior Developer/Consultant with strong C# skills? You could be progressing your career with at a growing Software Consultancy/MSP. As a Senior Developer/Consultant … in developing and delivering solutions, working closely with architects to align and evolve software designs and implementations with business strategies and requirements. You'll have a focus on backend C# .Net Core but will have exposure across the full tech stack. Location/WFH: There's a remote first policy however, this client does require onsite presence at the … Hatfield office three times per month. About you: You are an experienced Software Developer/Consultant with strong C# .Net Core skills You have experience with API development, microservices, Cloud based systems (AWS, Azure or GCP) You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have excellent communication and More ❯

Senior Developer/Consultant (C# .Net Core API Cloud) Hatfield/WFH to £80k Are you an experienced Senior Developer/Consultant with strong C# skills? You could be progressing your career with at a growing Software Consultancy/MSP. As a Senior Developer/Consultant … in developing and delivering solutions, working closely with architects to align and evolve software designs and implementations with business strategies and requirements. You'll have a focus on backend C# .Net Core but will have exposure across the full tech stack. Location/WFH: There's a remote first policy however, this client does require onsite presence at the … Hatfield office three times per month. About you: You are an experienced Software Developer/Consultant with strong C# .Net Core skills You have experience with API development, microservices, Cloud based systems (AWS, Azure or GCP) You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have excellent communication and More ❯

Senior C# Developer - Physics Location: East Midlands Industry: IT Salary: £55,000 - £75,000 per annum + Healthcare, Pension, Hybrid working Posted: 30/05/2025 Description We are seeking a Senior C# Developer with expertise in .NET Core, physics, and engineering to join an award-winning UK-based … Nottingham and offers a salary up to £75,000, along with a comprehensive benefits package including pension, bonus, and flexible working arrangements. Responsibilities: Design and develop software applications using C# and .NET Core. Apply physics and engineering principles, including complex algorithms, linear algebra, FFT, and signal processing. Work with cloud platforms, preferably AWS, and relational databases such as SQL. … practices. Collaborate within Agile teams to deliver high-quality solutions. Engage in research and development projects focused on sustainability and innovation. Requirements: Over five years of professional experience in C# .NET development. Educational or work background in physics or engineering. Experience with complex algorithms, linear algebra, FFT, or signal processing. Proficiency with cloud services (AWS preferred), SQL/Postgres More ❯

Senior C# Developer - Equity Derivatives Technology Risk (VP) - London Job Overview: We are seeking an experienced and highly skilled Senior C# Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing features across the Equity Derivatives Risk Management Platform. This role demands a proactive individual … work collaboratively in a fast-paced environment to deliver innovative solutions. Key Responsibilities: Implement robust, high-performance, and scalable solutions for Citi's Equity Derivatives Risk management platform using C# (C++ is a bonus) Collaborate with traders, quants, and analysts to gather requirements and ensure the software meets business needs Integrate new features and functionalities into existing risk infrastructure … share knowledge to enhance team capabilities Stay updated with the latest industry trends, technologies, and best practices. Proactively suggest improvements to existing systems and processes Technical Skills: Proficient in C# and ideally C++ programming languages Experience with multi-threading, concurrency, and real-time systems Familiarity with financial data protocols and market data feeds In depth knowledge of SQL and More ❯

Senior C# React Developer - Nottingham Location: East Midlands Industry: IT Salary: £55,000 - £75,000 per annum + Hybrid, Pension Posted: 16/07/2025 Description We are looking for a Senior Full Stack C# Developer/Senior .NET Core/React Analyst Programmer to join a … global software house based in the East Midlands. The role involves working with AWS, Cloud, Azure, C#/.NET, Microsoft Stack, ASP.NET, MVC, WEB, React, Angular, JavaScript, and CI/CD. Salary: Up to £75K + pension, bonus, flexible start/finish times. The role is hybrid, with 3 days in the office. Responsibilities Develop and maintain modern C# More ❯

Senior Full Stack Developer (C#, Angular, AWS) 1 day office based Are you a skilled Senior Full Stack Developer looking for an exciting opportunity to work on innovative projects in a leading software house? Our client is seeking a talented developer with expertise in C#, Angular, and AWS … to join their fully remote team. Responsibilities: Developing and maintaining full-stack applications using C# and Angular. Designing and implementing cloud-based solutions on AWS. Writing clean, scalable, and testable code following best practices. Collaborating with cross-functional teams to deliver high-quality software. Enhancing performance, security, and scalability of applications. Troubleshooting, debugging, and optimising applications. Skills and Experience … Strong commercial experience with C# and Angular. Proficiency in AWS and cloud-based development. Experience with microservices architecture and RESTful APIs. Strong understanding of software engineering best practices. Ability to work independently in a fully remote environment. Excellent problem-solving and communication skills. Benefits 1 day office based/4 days remote Competitive salary and benefits package. Opportunity to More ❯

Senior Software Developer/Engineer (C# .Net AWS API) Nottingham/WFH to £70k Are you a Senior Software Developer who enjoys problem solving and optimising systems? You could be progressing your career in a senior, hands on role at a tech company that provides a range of SaaS … policy, you'll need to meet up with the team for constructive meetings twice a quarter in the Nottingham office. About you: You have strong software development skills with C# .Net, SQL Server and AWS You have experience with solution and technical design of multi-tier, distributed scalable .Net solutions You have a strong knowledge of event driven microservices … days holiday Vitality Health Insurance 5% non-contributory pension Death in Service Apply now to find out more about this Senior Software Developer/Engineer (C# .Net API AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities More ❯

Senior Software Developer - Logistics - C#.Net/.Net Core/Cloud Computing Up to £68,840 per year + bonus Hybrid - 1 day per week YourCode Recruitment is proud to be working with an established software house that is building logistics software, used by millions of consumers across the UK&I. Our client has been in operation … has built a number of high performing cloud based systems that integrate with 3rd party software to improve efficiencies of logistics. Our client is looking to hire X2 Senior Software Developers to join their Engineering teams based in West Yorkshire. This role can be done on a remote-first basis, but visits to the office 1 per week … are contracted for project meetings. Duties: Working as a Senior Developer to deliver software solutions and assist in the development of new software based on customer requirements. Modifying existing software platforms to fit around new technologies and 3rd party integrations Be involved in Unit Testing Support lead developers with coaching juniors around specific technologies Technologies used More ❯

Senior Software Developer/Engineer (C# .Net T-SQL) Sunderland/WFH to £70k Opportunity to progress your career in a hands-on technical leadership role at a growing games/gambling site, whilst enjoying a range of benefits and perks. As a Senior Software Developer you'll take a senior … resilience. You'll work across the full software development lifecycle, from inception through to release, building highly available applications using a range of technologies with a focus on backend C# and T-SQL. You'll take ownership of projects, lead the technical discussions and decision making and contribute to technology and process improvements. Location/WFH: There's a … offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym. About you: You have strong C# .Net backend development experience You have a good knowledge of databases and strong T-SQL experience You have experience of developing APIs You have a good knowledge of cloud More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest Gen' AI/LLM dev tools (Cursor, v0, Windsurf, Copilot, etc) & act … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. Hybrid working: 2 or 3 days per week in the office … Scrum Master, excellent technical product team & obviously full stack software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular. However, some internal More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest Gen' AI/LLM dev tools (Cursor, v0, Windsurf, Copilot, etc) & act … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. Very commutable from Milton Keynes & surrounding areas. Hybrid working: 2 or … Scrum Master, excellent technical product team & obviously full stack software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular. However, some internal More ❯

Senior Backend Engineer C#/.NET High-Trust, High-Autonomy SaaS Up to £60k + generous benefits Hybrid (1 day/month onsite Midlands HQ) Our client is a respected SaaS company delivering robust, high-volume software platforms used across the UK and increasingly abroad. Their mission is to simplify financial and transactional processes with clean, elegant … engineering. You wont find bloat, bureaucracy, or outdated tech here just small, focused teams solving tough problems at scale. Theyre hiring a senior C# back-end engineer to help lead feature development across some of their most strategically important product areas. Why youll want this job: Youll work on systems that require performance, precision, and resilience powering … voice in architecture, deployment, and technical direction. No micro-management, no pointless layers of approval just meaningful engineering work in a calm, delivery-focused environment. The stack + environment: C# and .NET Core across the back end AWS-based microservices architecture Messaging with RabbitMQ, SNS/SQS PostgreSQL, Cassandra CI/CD pipelines for daily releases Git, code reviews More ❯

Senior Backend Engineer C#/.NET High-Trust, High-Autonomy SaaS Up to £70,000 + generous benefits Hybrid (1 day a week onsite - Central Manchester) Our client is a respected SaaS company delivering robust, high-volume software platforms used across the UK and increasingly abroad. Their mission is to simplify financial and transactional processes with clean … elegant engineering. You wont find bloat, bureaucracy, or outdated tech here just small, focused teams solving tough problems at scale. Theyre hiring a senior C# back-end engineer to help lead feature development across some of their most strategically important product areas. Why youll want this job: Youll work on systems that require performance, precision, and resilience … voice in architecture, deployment, and technical direction. No micro-management, no pointless layers of approval just meaningful engineering work in a calm, delivery-focused environment. The stack + environment: C# and .NET Core across the back end AWS-based microservices architecture Messaging with RabbitMQ, SNS/SQS PostgreSQL, Cassandra CI/CD pipelines for daily releases Git, code reviews More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor to a Dev' team … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we'd like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead (we would need to see some small team Lead experience though) Location: Banbury, Oxfordshire. … an Agile Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v18+) - MySQL - GitHub More ❯

This successful Cambridge company develop simulation software for specialist industry. With international reach, yet local offices and a family feel they would suit an experienced engineer skilled in C# software development including desktop UI. WPF or comparable technologies are ideally sought. You'll be someone able to take on a senior hands-on development position within their … UI team, as well as assuming technical leadership responsibilities for the UI as your familiarity grows. Colleagues are likewise C# developers, a small team working closely with mathematical software engineers. They in turn develop the simulation side of the software suite, which is also C#. You will have: Extensive commercial-grade software development experience in C# with .NET … whether .NET 6-9, Framework or Core). Held senior developer responsibilities before, including taking a view on software engineering approaches, leading projects where required, and mentoring junior colleagues. Ideally, experience with WPF, XAML and related application architecture and event routing. Otherwise, desktop UI via Prism or with Windows Forms (or Qt, etc.), or equivalent UI More ❯

resellers and service providers to the best IT, Comms and Cloud products and services so they can create brilliant technology solutions for UK businesses. We're seeking a Senior Software developer, to work predominantly on the adoption of AI & code generation tooling across a wide range ofproducts. This role is a hybrid role with the expectation … location and office work expectation is essential to be considered for this role. What You'll Be Doing Analyse business requirements and translate them into intelligent, scalable solutions using C# and .NET. Design and implement AI-powered developer tools and services, including prompt-based code generation, smart documentation, and internal copilots. Own the end-to-end integration … including those related to AI usage (e.g., latency, cost, reliability). Champion Vibe coding principles -making development more intuitive, expressive, and enjoyable for engineers. Your Qualifications Strong experience in C#/.NET (Web API, MVC), with a passion for clean, maintainable code. Expertise in Entity Framework and MS SQL . Experience with cloud platforms (Azure or AWS). Hands More ❯

Senior Backend Developer with Umbraco C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a technical … perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website … features Analysing and identifying ways to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS Continuous Delivery skills, tools and More ❯

Are you a seasoned developer with a passion for clean code, modern architecture, and cutting-edge technology? We … re looking for a Senior Developer to join our growing team and play a key role in the development of scalable, high-performance applications using C# and the .NET ecosystem. Key Responsibilities: Design, develop, and maintain enterprise-level applications using C# and .NET Core . Collaborate with cross-functional teams to architect robust solutions … search capabilities using ElasticSearch and the NEST client . Lead code reviews, mentor junior developers, and contribute to improving best practices. You'll Need: 5+ years of experience with C#/.NET development. Proficiency in Blazor and/or MAUI for front-end UI development. Solid knowledge of .NET Core APIs and RESTful service design. Hands-on experience with More ❯

Are you a seasoned developer with a passion for clean code, modern architecture, and cutting-edge technology? We … re looking for a Senior Developer to join our growing team and play a key role in the development of scalable, high-performance applications using C# and the .NET ecosystem. Key Responsibilities: Design, develop, and maintain enterprise-level applications using C# and .NET Core . Collaborate with cross-functional teams to architect robust solutions … search capabilities using ElasticSearch and the NEST client . Lead code reviews, mentor junior developers, and contribute to improving best practices. You'll Need: 5+ years of experience with C#/.NET development. Proficiency in Blazor and/or MAUI for front-end UI development. Solid knowledge of .NET Core APIs and RESTful service design. Hands-on experience with More ❯

We are seeking a highly skilled and motivated server side application developer to play a key role on a greenfield multiyear transformation program aimed at modernizing and scaling the electronic FX Options Trading Business Responsibilities: Contribute to the design and development of the electronic FX Options Trading Platform specializing in: RFQ (Request for Quote) client or sales to … continuous improvement of development, deployment and testing processes Share your knowledge and mentor other developers, fostering a collaborative and innovative team environment Required Skills: Advanced knowledge and experience of C# development in an event-driven architecture. Equivalent experience using Java would also be considered Proficient in multithreading, concurrency and performance tuning Solid understanding of inter-application communication using REST More ❯