1 to 25 of 37 Senior C# Developer Jobs

C# Senior Developer On behalf of our forward-thinking client based in Manchester, we are recruiting for an exceptional C# Senior Developer. The C# Senior Developer will be responsible for: Work closely with architects, core team, and other pillars to share business and technical knowledge Work closely … UX and implementation Review, update and produce system documentation as required Perform code reviews The Senior Developer will have experience with the following: Experience with C#, asp.net and SQL using a variety of design patterns and software development techniques including domain is driven design, MVC, unit and test-driven development Be keen and excited to … industry with a lot of complexity Can demonstrate commercial awareness and cost/benefit analysis of proposed solutions Benefits This is an excellent opportunity for a Senior C# Developer to join a company thatstrongly believes in the development of its employees and you will be rewarded with a generous benefits package: Healthcare Flexible working How More ❯

C# Senior Developer On behalf of our forward-thinking client based in Manchester, we are recruiting for an exceptional C# Senior Developer. The C# Senior Developer will be responsible for: Work closely with architects, core team, and other pillars to share business and technical knowledge Work closely … UX and implementation Review, update and produce system documentation as required Perform code reviews The Senior Developer will have experience with the following: Experience with C#, asp.net and SQL using a variety of design patterns and software development techniques including domain is driven design, MVC, unit and test-driven development Be keen and excited to … industry with a lot of complexity Can demonstrate commercial awareness and cost/benefit analysis of proposed solutions Benefits This is an excellent opportunity for a Senior C# Developer to join a company thatstrongly believes in the development of its employees and you will be rewarded with a generous benefits package: Healthcare Flexible working How More ❯

C# Senior Developer On behalf of our forward-thinking client based in Manchester, we are recruiting for an exceptional C# Senior Developer. The C# Senior Developer will be responsible for: Work closely with architects, core team, and other pillars to share business and technical knowledge Work closely … UX and implementation Review, update and produce system documentation as required Perform code reviews The Senior Developer will have experience with the following: Experience with C#, asp.net and SQL using a variety of design patterns and software development techniques including domain is driven design, MVC, unit and test-driven development Be keen and excited to … industry with a lot of complexity Can demonstrate commercial awareness and cost/benefit analysis of proposed solutions Benefits This is an excellent opportunity for a Senior C# Developer to join a company that strongly believes in the development of its employees and you will be rewarded with a generous benefits package: Healthcare Flexible working More ❯

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 ❯

C# Senior Software Developer My client is a boutique firm based in Greater Manchester, operating in a regulated sector and offering innovative, tech-driven solutions. With a growing commitment to internal software development, they are seeking a talented Senior Software Developer to join their agile team and help shape the future … key contributor, working on full-stack applications using .NET, Angular, Docker, and AWS. This hands-on role combines technical leadership, product influence, and close collaboration with stakeholders—including senior leadership. What You’ll Do: Design, develop, and maintain internal and client-facing applications using .NET and Angular Build new features using modern tools like Docker and AWS ECS … performance, and maintainability in all work Influence architectural decisions and participate in shaping technical direction What You’ll Bring: 3–5+ years of commercial software development experience Proficiency in C#, .NET (Core/Framework), Angular, MS SQL, Docker, and AWS ECS Experience with REST APIs, event-driven design, and messaging tools like RabbitMQ Comfortable in small agile teams and More ❯

C# Senior Software Developer My client is a boutique firm based in Greater Manchester, operating in a regulated sector and offering innovative, tech-driven solutions. With a growing commitment to internal software development, they are seeking a talented Senior Software Developer to join their agile team and help shape the future … key contributor, working on full-stack applications using .NET, Angular, Docker, and AWS. This hands-on role combines technical leadership, product influence, and close collaboration with stakeholders—including senior leadership. What You’ll Do: Design, develop, and maintain internal and client-facing applications using .NET and Angular Build new features using modern tools like Docker and AWS ECS … performance, and maintainability in all work Influence architectural decisions and participate in shaping technical direction What You’ll Bring: 3–5+ years of commercial software development experience Proficiency in C#, .NET (Core/Framework), Angular, MS SQL, Docker, and AWS ECS Experience with REST APIs, event-driven design, and messaging tools like RabbitMQ Comfortable in small agile teams and More ❯

C# Senior Software Developer My client is a boutique firm based in Greater Manchester, operating in a regulated sector and offering innovative, tech-driven solutions. With a growing commitment to internal software development, they are seeking a talented Senior Software Developer to join their agile team and help shape the future … key contributor, working on full-stack applications using .NET, Angular, Docker, and AWS. This hands-on role combines technical leadership, product influence, and close collaboration with stakeholders-including senior leadership. What You'll Do: Design, develop, and maintain internal and client-facing applications using .NET and Angular Build new features using modern tools like Docker and AWS ECS … and maintainability in all work Influence architectural decisions and participate in shaping technical direction What You'll Bring: 3-5+ years of commercial software development experience Proficiency in C#, .NET (Core/Framework), Angular, MS SQL, Docker, and AWS ECS Experience with REST APIs, event-driven design, and messaging tools like RabbitMQ Comfortable in small agile teams and 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 ❯

3D Graphics Developer, C# Software Developer, Senior level, Graphics based Software Engineer, 3D Graphics, CAD, Games, Maths, Physics, DotNet, C#, .Net, .Net Core, SQL Server, T-SQL, OpenGL/DirectX - Global Software House - up to 70K Global Software client is looking for Software Developers with a Maths, Physics, 3D or Games background. … Can you show proven C# experience in the development of Graphics, CAD or Mathematical based software? Have you built software to create 3D models? Do you have experience in OpenGL or Direct X, or similar? Games-related programming? We're seeking a Full Stack Developer to join a growing development team. In this squad, you will be … solutions with messaging and notification APIs in a micro-service architecture Solving complex mathematical and geometric problems Developing 3D graphical and CAD applications Required Skills and Experience: Proficiency in C# and ASP.NET Core Experience with cloud-based solutions and micro-service architecture Strong mathematical and geometric problem-solving abilities Knowledge of 3D graphical/CAD application development Understanding of More ❯

Senior Lead C# Software Developer We urgently require a Senior C# Lead Developer with at least 5 to 10 years solid expertise in developing financial systems ideally banking systems. Your experience should include extensive knowledge of developing complex financial systems in C# as Teal Leader. Any experience of SQL 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 ❯

in Service Senior Developer Please note although this role is full time onsite, my client is able to offer you free daily parking. Full Stack, C# .Net Web Development and front-end technologies, preferably Vue.js Experience with ASP.NET, C#, HTML, SASS/CSS, JavaScript/TypeScript and front-end web frameworks Unit testing/… is able to work in an Agile team, think quickly, plan carefully, and work well with others using varied forms of technology and coding principals. About the role: The C#/.NET senior Developer role will be working a part of a small team of developers, where you will have the opportunity to make a … should be passionate about Object Oriented Coding and Software Design and enjoy the challenges that working with new technology brings with it. You will work with technologies that include – C#, .Net, SQL Server, JavaScript and vue.js, and gain some exposure to projects involving cloud services among other evolving other technological projects. Key Responsibilities: Develop and enhance solutions and applications 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 .NET/C# Developer (Oracle to PostgreSQL migration) - Finance - Remote Duration: 6 months Rate: £500 - £600 Start: ASAP My client is looking for a Senior Developer to join the team to help with a migration. They are undertaking a strategic transformation of a legacy system built on PHP and Oracle … migrating to a modern architecture using PostgreSQL and .NET (C#). This is not a simple lift-and-shift; the project involves re-engineering over 240 Oracle stored procedures, some highly complex, into performant, maintainable C# code. The new system will coexist with the legacy platform during the transition, requiring careful integration and support for business-as-usual … BAU) operations. Key Responsibilities Collaborate with the existing team to re-engineer Oracle PL/SQL stored procedures into C# services. Design and implement .NET-based components that integrate with both legacy PHP systems and new PostgreSQL databases. Work closely with business analysts and stakeholders to ensure functional parity and identify opportunities for enhancement. Participate in the design of 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 ❯

Senior .NET/C# Developer Oracle to PostgreSQL Migration: Our client is embarking on a strategic transformation of a legacy enterprise platform, rebuilding a long-standing PHP and Oracle-based system into a .NET (C#) and PostgreSQL architecture. Seeking talented developers who are excited to work at the intersection of legacy systems, modern architecture … and cutting-edge development tooling. Your Responsibilities: Re-engineer Oracle PL/SQL logic into performant and maintainable C# services. Design and build .NET components that interact with both PostgreSQL and legacy PHP systems. Work closely with BAs and stakeholders to ensure functional parity and identify areas for modernisation or optimisation. Contribute to the design and delivery of a … to assist with code analysis and migration. Participate in code reviews, contribute to testing strategies and support comprehensive documentation efforts. What You'll Bring: Experience developing in .NET/C#, particularly in backend and data access layers. Proven success migrating legacy systems, especially from Oracle to PostgreSQL or similar. Strong working knowledge of Oracle PL/SQL and the More ❯