451 to 475 of 709 C# Jobs in the South East

+ Bonus + Hybrid Location: Central London (Hybrid: 1-2 days in office) Salary: £80,000–£100,000 + performance bonus + excellent benefits Tech: .NET 8, C#, AWS, Microservices, REST APIs, SQL, CI/CD, Docker/Kubernetes The Opportunity We are working with a high-growth SaaS organisation in Central London that is expanding its platform and engineering … a Senior .NET Software Engineer, you will play a key role in both development and design, responsible for: Building and maintaining scalable backend services using .NET 7/8 (C#) Designing and implementing cloud-native microservices on AWS Leading technical discussions and influencing architecture and design decisions Collaborating with product, DevOps, and front-end engineers in a cross-functional team … complex problems and working with modern .NET and cloud technologies. You are passionate about improving systems, performance, and team processes. You will bring: 5+ years of commercial experience with C#/.NET Core/.NET 6+ Strong background in building distributed systems and APIs Hands-on experience with AWS (ECS, Lambda, S3, EventBridge, DynamoDB, etc.) Proven experience with microservices and More ❯

to-end web applications and APIs used by thousands across secure environments. Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). Design and document clean REST/JSON interfaces; test with Postman and automate regression suites. Own CI/CD pipelines and Docker -based … platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible … . Security Clearance: Active SC or DV (must be current). Nice-to-haves Military background (RAF/Army/Navy) or delivery in defence, aerospace, or government . C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. GenAI/LLM experience (e.g., AWS Bedrock , prompts/guardrails, retrieval). Integrations with hardware/peripherals (kiosks, scanners, IoT More ❯

to-end web applications and APIs used by thousands across secure environments. Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). Design and document clean REST/JSON interfaces; test with Postman and automate regression suites. Own CI/CD pipelines and Docker -based … platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible … . Security Clearance: Active SC or DV (must be current). Nice-to-haves Military background (RAF/Army/Navy) or delivery in defence, aerospace, or government . C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. GenAI/LLM experience (e.g., AWS Bedrock , prompts/guardrails, retrieval). Integrations with hardware/peripherals (kiosks, scanners, IoT More ❯

to-end web applications and APIs used by thousands across secure environments. Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). Design and document clean REST/JSON interfaces; test with Postman and automate regression suites. Own CI/CD pipelines and Docker -based … platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible … . Security Clearance: Active SC or DV (must be current). Nice-to-haves Military background (RAF/Army/Navy) or delivery in defence, aerospace, or government . C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. GenAI/LLM experience (e.g., AWS Bedrock , prompts/guardrails, retrieval). Integrations with hardware/peripherals (kiosks, scanners, IoT More ❯

Remote roles for award-winning specialist agricultural software company. Delivering sustainable farming data-driven technology solutions. Degree educated with proven track record as C#/.Net Back-End Developer. Remote-Friendly Software Development Opportunity in Agricultural Technology Join an award-winning agricultural analytics software company at the forefront of sustainable technology. We're seeking exceptional Back-End Developers who can … Commercial Experience as a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud Platform SQL and SQL Server Complex Data-Driven Software Development Strong Algorithm and Data Structure Knowledge Preferred Background: Experience in FinTech or Similar Structured More ❯

Software Architect - F1 Motorsport - C# .NET Core & ASP.NET 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 … Aerodynamics and Vehicle Performance groups, influencing technology choices and promoting best practices. What you’ll need Extensive experience designing and building software systems in complex, engineering-driven environments. Strong C# programming skills, with experience in .NET Core and ASP.NET. Knowledge of data-centric applications (SQL Server) and structured workflows. Familiarity with frontend technologies (JavaScript/TypeScript, HTML, CSS). Experience More ❯

This position offers a unique opportunity to lead greenfield projects, designing and implementing new systems and tools from the ground up. The technology stack within our team is primarily C# and Python backends, SQL databases, RabbitMQ, REST, React and Excel UI. Exposure to C++ is beneficial as interaction with the quant library is usual. A degree in Computer Science, Engineering … a related quantitative field. Should have solid Maths or science knowledge. Requirements 7+ Years developing software commercially. Experience in finance is advantageous but not strictly required. Excellent command of C# and Python. SQL database design and integration. Full software lifecycle expertise. Experience of working in production environment. Strong communication skills. Top analytical and problem-solving abilities. Ability to operate in More ❯

This position offers a unique opportunity to lead greenfield projects, designing and implementing new systems and tools from the ground up. The technology stack within our team is primarily C# and Python backends, SQL databases, RabbitMQ, REST, React and Excel UI. Exposure to C++ is beneficial as interaction with the quant library is usual. A degree in Computer Science, Engineering … a related quantitative field. Should have solid Maths or science knowledge. Requirements 7+ Years developing software commercially. Experience in finance is advantageous but not strictly required. Excellent command of C# and Python. SQL database design and integration. Full software lifecycle expertise. Experience of working in production environment. Strong communication skills. Top analytical and problem-solving abilities. Ability to operate in More ❯

This position offers a unique opportunity to lead greenfield projects, designing and implementing new systems and tools from the ground up. The technology stack within our team is primarily C# and Python backends, SQL databases, RabbitMQ, REST, React and Excel UI. Exposure to C++ is beneficial as interaction with the quant library is usual. A degree in Computer Science, Engineering … a related quantitative field. Should have solid Maths or science knowledge. Requirements 7+ Years developing software commercially. Experience in finance is advantageous but not strictly required. Excellent command of C# and Python. SQL database design and integration. Full software lifecycle expertise. Experience of working in production environment. Strong communication skills. Top analytical and problem-solving abilities. Ability to operate in More ❯

Senior Software Engineer – C# Salary: Up to £100,000 + Benefits Location: Royston (Hybrid) Employment Type: Permanent Are you a seasoned software engineer who thrives on solving complex problems, setting technical direction, and mentoring others? Our client, an innovative and forward-thinking technology business based in Royston, is looking for a Senior Software Engineer to play a pivotal role in … test coverage and maintainability standards. Desirable Experience & Skills Strong candidates are likely to bring most (but not all) of the following: Experience in software engineering, with deep expertise in C# and .NET. Experience with Linux, Python, and Azure DevOps. A proven track record in start-ups/scale-ups would be advantageous Excellent communication skills and the ability to influence More ❯

Software Developer/Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of technologists and finance professionals to develop … minimum 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have a strong knowledge of SQL databases You … s ambassadorship with AMOS Bursary Various other social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this Software Developer/Engineer (C# .Net SQL) 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 employer whose More ❯

Software Developer/Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of technologists and finance professionals to develop … minimum 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have a strong knowledge of SQL databases You … s ambassadorship with AMOS Bursary Various other social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this Software Developer/Engineer (C# .Net SQL) 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 employer whose More ❯

across complex systems. You’ll play a key role in ensuring scalability, stability, and reliability of business-critical application Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect More ❯

across complex systems. You’ll play a key role in ensuring scalability, stability, and reliability of business-critical application Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect More ❯

across complex systems. You’ll play a key role in ensuring scalability, stability, and reliability of business-critical application Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect More ❯

with direct ownership of RFx processes and multiple successful £5m+ bids Broad architecture experience across cloud platforms, application integration, and modernisation strategies Strong technical foundation in backend engineering (Java, C#) and modern application development practices Consultative selling expertise with ability to shape client requirements and drive solution differentiation Exceptional presentation and stakeholder management skills - comfortable influencing procurement committees and technical More ❯

with direct ownership of RFx processes and multiple successful £5m+ bids Broad architecture experience across cloud platforms, application integration, and modernisation strategies Strong technical foundation in backend engineering (Java, C#) and modern application development practices Consultative selling expertise with ability to shape client requirements and drive solution differentiation Exceptional presentation and stakeholder management skills - comfortable influencing procurement committees and technical More ❯

with direct ownership of RFx processes and multiple successful £5m+ bids Broad architecture experience across cloud platforms, application integration, and modernisation strategies Strong technical foundation in backend engineering (Java, C#) and modern application development practices Consultative selling expertise with ability to shape client requirements and drive solution differentiation Exceptional presentation and stakeholder management skills - comfortable influencing procurement committees and technical More ❯

Are you an experienced C# Software Developer with strong skills in C# and SQL Server? Looking for a new challenge within a global technology leader on the Isle of Wight that values innovation, collaboration, and professional growth? If so, we'd love to hear from you! An exciting opportunity has arisen for an experienced C# Software Developer to join our … based in the Isle of Wight to play a key role in designing, developing, and implementing high-quality, responsive software applications that meet customer needs. Key Responsibilities for the C# Software Developer Collaborate with project managers to deliver high-quality software projects Create and review requirements, functional, and design specifications for complex software solutions Develop, modify, and review code, ensuring … Produce technical estimates and architectural input for proposals Key Requirements Qualification in Computer Science, Information Technology, or a related field 3+ years' experience full stack development experience in a C# software environment Strong experience developing complex applications using C# and SQL Server Proficient in HTML5, CSS3, JavaScript/TypeScript Experience in creating functional and design specifications Strong understanding of software More ❯

.NET Developer, .NET 9, C# - Digital Download Site - Witney (Tech stack: .NET Developer, .NET 9, C#, Winforms, WPF, iOS, Android, Mobile, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become a major player within the digital download arena. In addition to an award winning website they have launched mobile apps for … technical team. We are looking for .NET Developer who are ambitious about building a quality service which brings delight to their users. .NET Developer should be experienced in: .NET, C#, Winforms or WPF and Azure SQL. We are keen to hear from candidates with any mobile development experience (iOS or Android). You will be trained in all aspects of More ❯

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)? You could be joining a rapidly scaling FinTech start-up based in Newcastle, progressing … experience. As a Senior Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. The company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location: You … backed by A*s and As at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have expertise with modern C# .Net Core, Python skills would also be of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycle You More ❯

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)? You could be joining a rapidly scaling FinTech start-up based in Newcastle, progressing … experience. As a Senior Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. The company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location: You … backed by A*s and As at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have expertise with modern C# .Net Core, Python skills would also be of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycle You More ❯

a world-class educational platform, working across the full stack, helping to build, test, and optimise features that are used by millions. Responsibilities: Building and maintaining scalable applications in C#, ASP.NET MVC and JavaScript Work on both front-end and backend functionalities and interactivity Develop educational templates using HTML 5, Canvas API and WebAudio API Optimising performance and ensure reliability … across a global user base Collaborating with an international team – working remotely Tech: C#, ASP.NET MVC, JavaScript, HTML5, CSS, CanvasAPI, SQL Server, WebAudio, Azure and Selenium Essential Skills: Excellent C# and JavaScript skills 3+ years of commercial software development experience Strong understanding of web technologies and best practices Ability to self-organise due to the remote working Passion for quality More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This isn’t a “heads down coding … for the future. Expect to spend plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads Partner with QA … across IIS + AWS Mentor developers through code reviews and architectural guidance Optimise SQL/T-SQL performance for production systems What we’re looking for: Strong background in C# and modern .NET Core Comfortable balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This isn’t a “heads down coding … for the future. Expect to spend plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads Partner with QA … across IIS + AWS Mentor developers through code reviews and architectural guidance Optimise SQL/T-SQL performance for production systems What we’re looking for: Strong background in C# and modern .NET Core Comfortable balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience More ❯