701 to 725 of 744 C# Jobs in the South East

your work on live trading decisions. High-Visibility Projects – Deliver technical solutions that are business-critical, fast-paced, and directly aligned with P&L outcomes. Tech Stack – Work across C#, SQL, and Excel/VBA with opportunities to introduce Python and modern data tools as the role evolves. Autonomy & Ownership – Shape your own solutions, from idea through to deployment, in … them into production. Your work will blend short-term delivery with longer-term technical improvements, always focused on speed, stability, and reusability. Expect to work across technologies such as C#, SQL, and Excel/VBA, with opportunities to incorporate Python and modern data frameworks as projects evolve. What You’ll Need Solid background in front-office or trading technology within … financial services Strong development experience across C#, Excel/VBA, and SQL Understanding of financial products, ideally spanning Fixed Income, Derivatives, or other cross-asset classes A hands-on approach and the confidence to collaborate directly with trading and risk teams The ability to balance fast-paced delivery with structured, maintainable development practices Curious to explore new tools and technologies More ❯

your work on live trading decisions. High-Visibility Projects – Deliver technical solutions that are business-critical, fast-paced, and directly aligned with P&L outcomes. Tech Stack – Work across C#, SQL, and Excel/VBA with opportunities to introduce Python and modern data tools as the role evolves. Autonomy & Ownership – Shape your own solutions, from idea through to deployment, in … them into production. Your work will blend short-term delivery with longer-term technical improvements, always focused on speed, stability, and reusability. Expect to work across technologies such as C#, SQL, and Excel/VBA, with opportunities to incorporate Python and modern data frameworks as projects evolve. What You’ll Need Solid background in front-office or trading technology within … financial services Strong development experience across C#, Excel/VBA, and SQL Understanding of financial products, ideally spanning Fixed Income, Derivatives, or other cross-asset classes A hands-on approach and the confidence to collaborate directly with trading and risk teams The ability to balance fast-paced delivery with structured, maintainable development practices Curious to explore new tools and technologies More ❯

Excellent opportunity for a QA Engineer with strong hands-on experience in C#, Visual Studio. If you enjoy working across both frontend and backend systems, are passionate about automation then this could be the ideal role for you. About the Role In this position, you'll be a key contributor to the quality assurance efforts of a cutting-edge Microsoft … team transitions from Selenium. This is a hybrid role, primarily remote with scheduled monthly in-office collaboration days. Key Responsibilities: Enhance and maintain an evolving test automation framework using C# and Playwright Write clear, maintainable test scripts using Gherkin syntax and ReqNRoll Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature … backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing principles Strong knowledge of API testing and backend More ❯

Excellent opportunity for a QA Engineer with strong hands-on experience in C#, Visual Studio. If you enjoy working across both frontend and backend systems, are passionate about automation then this could be the ideal role for you. About the Role In this position, you'll be a key contributor to the quality assurance efforts of a cutting-edge Microsoft … team transitions from Selenium. This is a hybrid role, primarily remote with scheduled monthly in-office collaboration days. Key Responsibilities: Enhance and maintain an evolving test automation framework using C# and Playwright Write clear, maintainable test scripts using Gherkin syntax and ReqNRoll Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature … backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing principles Strong knowledge of API testing and backend More ❯

Excellent opportunity for a QA Engineer with strong hands-on experience in C#, Visual Studio. If you enjoy working across both frontend and backend systems, are passionate about automation then this could be the ideal role for you. About the Role In this position, you'll be a key contributor to the quality assurance efforts of a cutting-edge Microsoft … team transitions from Selenium. This is a hybrid role, primarily remote with scheduled monthly in-office collaboration days. Key Responsibilities: Enhance and maintain an evolving test automation framework using C# and Playwright Write clear, maintainable test scripts using Gherkin syntax and ReqNRoll Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature … backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing principles Strong knowledge of API testing and backend More ❯

Excellent opportunity for a QA Engineer with strong hands-on experience in C#, Visual Studio. If you enjoy working across both frontend and backend systems, are passionate about automation then this could be the ideal role for you. About the Role In this position, you'll be a key contributor to the quality assurance efforts of a cutting-edge Microsoft … team transitions from Selenium. This is a hybrid role, primarily remote with scheduled monthly in-office collaboration days. Key Responsibilities: Enhance and maintain an evolving test automation framework using C# and Playwright Write clear, maintainable test scripts using Gherkin syntax and ReqNRoll Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature … backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing principles Strong knowledge of API testing and backend More ❯

Excellent opportunity for a QA Engineer with strong hands-on experience in C#, Visual Studio. If you enjoy working across both frontend and backend systems, are passionate about automation then this could be the ideal role for you. About the Role In this position, you'll be a key contributor to the quality assurance efforts of a cutting-edge Microsoft … team transitions from Selenium. This is a hybrid role, primarily remote with scheduled monthly in-office collaboration days. Key Responsibilities: Enhance and maintain an evolving test automation framework using C# and Playwright Write clear, maintainable test scripts using Gherkin syntax and ReqNRoll Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature … backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing principles Strong knowledge of API testing and backend More ❯

also a strong process and people person. You'll balance technical expertise with product and software architecture and leadership and mentoring. Remain technically involved and hands-on, particularly in C#, .NET, and Azure Agile/Scrum, CI/CD pipelines, and code quality standards Ensure performance, security, and reliability of cloud-based systems Act as both a technical leader and … mentor, fostering a culture of innovation and accountability Proven experience building SaaS products Strong technical background in C#, .NET, and Azure Solid understanding of modern software development practices, cloud architecture, and Agile delivery Up to 100,000 salary + bonus, pension, holiday & electric car scheme Hybrid working model (23 days per week in Southampton HQ) Modern, values-driven working culture More ❯

Are you an experienced Senior C# ASP .Net Developer looking for a new challenge to enhance your development skills? Our clients are a leading web development agency seeking a Senior .Net Developer to deliver technically excellent web solutions for high profile brands. About the role Working within a team of designers, front-end developers and .Net developers, you will have … others within the development team Preparing functional and technical specification documents Scoping projects, requirements capture and delivering time estimates Essential skills and experience Commercial ASP.NET web application development using C#, MVC and SQL Server with a specific focus on e-commerce and CMS platforms Experience working as technical lead on commercially focused web development projects, and demonstrate an ability to More ❯

Engineer: Lead and contribute to the design, implementation and maintenance of embedded software for real-time control and sensing applications. Develop and maintain supporting GUI or Windows-based tools (C#, Visual Studio) to interface with embedded systems. Perform hands-on debugging, hardware bring-up and component-level testing. Collaborate within a multi-disciplinary team to define software architecture and integration … related discipline. Previous experience developing software for embedded systems. Strong proficiency in C for embedded applications with experience of delivering robust, production-quality code. Experience with Windows application development (C# preferred). Solid understanding of real-time systems, hardware interfacing, and debugging tools. Excellent analytical and problem-solving skills. Proven ability to work both independently and as part of a More ❯

Excellent opportunity for a QA Engineer with strong hands-on experience in C#, Visual Studio. If you enjoy working across both frontend and backend systems, are passionate about automation then this could be the ideal role for you. About the Role In this position, you'll be a key contributor to the quality assurance efforts of a cutting-edge Microsoft … backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing principles Strong knowledge of API testing and backend More ❯

Engineer: Lead and contribute to the design, implementation and maintenance of embedded software for real-time control and sensing applications. Develop and maintain supporting GUI or Windows-based tools (C#, Visual Studio) to interface with embedded systems. Perform hands-on debugging, hardware bring-up and component-level testing. Collaborate within a multi-disciplinary team to define software architecture and integration … related discipline. Previous experience developing software for embedded systems. Strong proficiency in C for embedded applications with experience of delivering robust, production-quality code. Experience with Windows application development (C# preferred). Solid understanding of real-time systems, hardware interfacing, and debugging tools. Excellent analytical and problem-solving skills. Proven ability to work both independently and as part of a More ❯

Excellent opportunity for a QA Engineer with strong hands-on experience in C#, Visual Studio. If you enjoy working across both frontend and backend systems, are passionate about automation then this could be the ideal role for you. About the Role In this position, you'll be a key contributor to the quality assurance efforts of a cutting-edge Microsoft … backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing principles Strong knowledge of API testing and backend More ❯

Excellent opportunity for a QA Engineer with strong hands-on experience in C#, Visual Studio. If you enjoy working across both frontend and backend systems, are passionate about automation then this could be the ideal role for you. About the Role In this position, you'll be a key contributor to the quality assurance efforts of a cutting-edge Microsoft … backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing principles Strong knowledge of API testing and backend More ❯

Senior QA Engineer - F1 Motorsport - C#, Selenium & Postman South East (4 days onsite + 1 day remote) Permanent - basic salary DOE, championship & race weekend bonuses, flexible onsite hours (10am - 3pm), pension (5%), daily lunch allowance, life insurance (4x salary), private healthcare, onsite gym & EV charging. — 2.62 seconds. The time it takes to service an entire F1 racing car at the … race-ready. You’ll test a range of software applications that support racing operations - including web-based tools, desktop applications, and APIs. Most of these applications are developed in C#, and the QA process involves validating their performance, reliability, and correctness with tools like Postman & Selenium. As systems become more complex and interdependent, the need for rigorous testing and seamless More ❯

Position: QA Tester/Technical Account Manager (TAM) - Enterprise clients Salary: £73,000.00 + 4% bonus Industry: Global software leader in DevOps, Testing, AI & Data Management Location: Bracknell Hybrid (1 day per week in the office) Are you a QA More ❯

Position: QA (Appium)/Technical Account Manager (TAM) - Enterprise clients Salary: £80k per annum + bonus Industry: Global software leader in DevOps, Testing, AI & Data Management Location: Bracknell Hybrid (2 days per week in the office) Are you a Senior More ❯

Position: QA (Appium)/Technical Account Manager (TAM) - Enterprise clients Salary: £80k per annum + bonus Industry: Global software leader in DevOps, Testing, AI & Data Management Location: Bracknell Hybrid (2 days per week in the office) Are you a Senior More ❯

Position: QA Tester/Technical Account Manager (TAM) - Enterprise clients Salary: £73,000.00 + 4% bonus Industry: Global software leader in DevOps, Testing, AI & Data Management Location: Bracknell Hybrid (1 day per week in the office) Are you a QA More ❯

Position: QA Tester/Technical Account Manager (TAM) - Enterprise clients Salary: £73,000.00 + 4% bonus Industry: Global software leader in DevOps, Testing, AI & Data Management Location: Bracknell Hybrid (1 day per week in the office) Are you a QA More ❯

Position: QA Tester/Technical Account Manager (TAM) - Enterprise clients Salary: £73,000.00 + 4% bonus Industry: Global software leader in DevOps, Testing, AI & Data Management Location: Bracknell Hybrid (2 days per week in the office) Are you a QA More ❯

Position: QA Tester/Technical Account Manager (TAM) - Enterprise clients Salary: £73,000.00 + 4% bonus Industry: Global software leader in DevOps, Testing, AI & Data Management Location: Bracknell Hybrid (2 days per week in the office) Are you a QA More ❯

Cyber Software Vulnerability Engineer Package - £55,000 - £85,000 (depending in experience level) Benefits – DV Bonus plus excellent benefits Clearance - Clearable to eDV level, SC clearance required to start. Location - Hampshire Join a trusted leader in National Security technology solutions. More ❯

Aderant Support & Configuration Expert, Workflows, SQL, C#, Python, ASP Mainly Remote Aderant Support & Configuration Expert required to work for a law firm based in either London, Manchester or Yorkshire. This role is mostly remote, with circa 2 days per week required in the office. However, as this is a very niche role, this is flexible. Key Skills Required: Demonstrable REAL … a transferable skill set which would allow them to pick-up other types of coding fairly quickly Ideally – someone with demonstratable experience of at least one of the following: C# (Pronounced C Sharp), Python or ASP. This is a fantastic opportunity to join a forward-thinking team. Salary dependent on experience. Apply now More ❯

to minutes using intelligent, cloud-based security methods. You’ll be building the next generation of security infrastructure from the ground up and expanding platform capabilities - think high-performance C# systems, scalable cloud-native architecture, and detection tools designed for speed, precision and resilience. What You’ll Do Design and build distributed systems in C# for cloud-based threat detection. … is fine). A background in building performant, scalable platforms. Interest in security engineering and cloud infrastructure. A Computer Science (or related) degree from a strong academic background. 💻 Tech : C#, some Go & Python, AWS, GCP, Kubernetes (you can come from ANY backend programming language ⭐) Be part of a team redefining how companies respond to threats - apply now More ❯