851 to 875 of 983 C# Jobs in the South East

Graduate Software Engineer - Portfolio Management £45K - £55K + Bonus + Bens A small, high-performance team at the centre of a specialist reinsurance group are looking for several Computer Science/Maths graduates to join them in London. You will More ❯

C#.NET, .NET Core, Entity, API's, SQL Server, GIT, Agile, Windows Server, EDI New Permanent Developer role. Office-based 3-4 days, candidates must live within an easy commute of the office location in Croydon/Purley Our client is More ❯

day brings a new challenge, a new skill to learn, and the chance to see your work make a real difference. What You’ll Be Doing Developing solutions in C# (and occasionally Dart and other languages) Designing user-friendly interfaces for technical operators and engineers Creating tools for real-time monitoring, control, and experimentation Collaborating closely with experts in hardware … excited by the crossover of software and hardware, and who thrives in a collaborative environment. You’ll fit well if you bring: 2+ years of professional development experience Strong C# skills (extra kudos if you’ve touched other languages) Experience working with Git or similar tools A problem-solving mindset and a methodical approach to debugging Good communication and a More ❯

day brings a new challenge, a new skill to learn, and the chance to see your work make a real difference. What You’ll Be Doing Developing solutions in C# (and occasionally Dart and other languages) Designing user-friendly interfaces for technical operators and engineers Creating tools for real-time monitoring, control, and experimentation Collaborating closely with experts in hardware … excited by the crossover of software and hardware, and who thrives in a collaborative environment. You’ll fit well if you bring: 2+ years of professional development experience Strong C# skills (extra kudos if you’ve touched other languages) Experience working with Git or similar tools A problem-solving mindset and a methodical approach to debugging Good communication and a More ❯

tools. Create and update documentation, FAQs, and support material for new releases. Assist with other administrative and enablement tasks that improve the overall customer support experience Skills, Qualifications & Experience C# (.NET 8): working knowledge to read code, map logs to code paths, and support basic debugging SQL (SQL Server): comfortable writing queries with joins and grouping; validate data fixes safely … and processes A self starter who enjoys both customer interaction and technical investigation Nice to have JavaScript/AngularJS: use browser DevTools to capture errors and surface actionable details C# (.NET 8): deeper debugging, reading stack traces, mapping logging entries to code paths Azure operations: inspect app and container logs, run safe read-only queries against Azure SQL databases, review More ❯

tools. Create and update documentation, FAQs, and support material for new releases. Assist with other administrative and enablement tasks that improve the overall customer support experience Skills, Qualifications & Experience C# (.NET 8): working knowledge to read code, map logs to code paths, and support basic debugging SQL (SQL Server): comfortable writing queries with joins and grouping; validate data fixes safely … and processes A self starter who enjoys both customer interaction and technical investigation Nice to have JavaScript/AngularJS: use browser DevTools to capture errors and surface actionable details C# (.NET 8): deeper debugging, reading stack traces, mapping logging entries to code paths Azure operations: inspect app and container logs, run safe read-only queries against Azure SQL databases, review More ❯

such as AI-assisted suggestions to enhance productivity and decision-making. Skills and Experience Proven experience with WPF and MVVM , delivering desktop-based applications. Strong proficiency in React and C# , including integration with REST APIs . Solid understanding of usability, accessibility, and responsive design principles. Familiarity with web frameworks and libraries such as ASP.NET, Bootstrap, and Material Design . Awareness More ❯

Looking to excel your career in a start-up environment? C# Developer - VC-backed Cloud Security Salary up to £120k + equity London 5 days in office Visa sponsorship available We have recently partnered with a rapidly growing VC-backed startup who develop technology to identify and minimize the effect of security incidents, with the aim of cutting response times … to minutes. Their solution is built for rapid deployment and ease of use, enabling organisations to handle threats far more effectively. They are now on the hunt for a C# Developer to work on the system that platform processes billions of events every week, powered by modern cloud infrastructure and innovative methods. Experience required as a C# Developer: Russell Group … university 1st Class Degree in Computer Science (or related - Maths, Physics, Engineering) 2-6 years experience in C# (also open to Python & Go engineers) Strong computer science fundamentals End-to-end project experience (from design, to build, to deployment) What you'll do: Write clean, scalable code in C# Drive innovation using AWS and GCP Build and scale platform capabilities More ❯

Looking to excel your career in a start-up environment? C# Developer – VC-backed Cloud Security 💰 Salary up to £120k + equity 📍 London 5 days in office 🌎 Visa sponsorship available We have recently partnered with a rapidly growing VC-backed startup who develop technology to identify and minimize the effect of security incidents, with the aim of cutting response times … to minutes. Their solution is built for rapid deployment and ease of use, enabling organisations to handle threats far more effectively. They are now on the hunt for a C# Developer to work on the system that platform processes billions of events every week, powered by modern cloud infrastructure and innovative methods. 👀 Experience required as a C# Developer: Russell Group … university 1st Class Degree in Computer Science (or related – Maths, Physics, Engineering) 2-6 years experience in C# (also open to Python & Go engineers) Strong computer science fundamentals End-to-end project experience (from design, to build, to deployment) 💡 What you’ll do: Write clean, scalable code in C# Drive innovation using AWS and GCP Build and scale platform capabilities More ❯

Looking to excel your career in a start-up environment? C# Developer – VC-backed Cloud Security 💰 Salary up to £120k + equity 📍 London 5 days in office 🌎 Visa sponsorship available We have recently partnered with a rapidly growing VC-backed startup who develop technology to identify and minimize the effect of security incidents, with the aim of cutting response times … to minutes. Their solution is built for rapid deployment and ease of use, enabling organisations to handle threats far more effectively. They are now on the hunt for a C# Developer to work on the system that platform processes billions of events every week, powered by modern cloud infrastructure and innovative methods. 👀 Experience required as a C# Developer: Russell Group … university 1st Class Degree in Computer Science (or related – Maths, Physics, Engineering) 2-6 years experience in C# (also open to Python & Go engineers) Strong computer science fundamentals End-to-end project experience (from design, to build, to deployment) 💡 What you’ll do: Write clean, scalable code in C# Drive innovation using AWS and GCP Build and scale platform capabilities More ❯

Looking to excel your career in a start-up environment? C# Developer – VC-backed Cloud Security 💰 Salary up to £120k + equity 📍 London 5 days in office 🌎 Visa sponsorship available We have recently partnered with a rapidly growing VC-backed startup who develop technology to identify and minimize the effect of security incidents, with the aim of cutting response times … to minutes. Their solution is built for rapid deployment and ease of use, enabling organisations to handle threats far more effectively. They are now on the hunt for a C# Developer to work on the system that platform processes billions of events every week, powered by modern cloud infrastructure and innovative methods. 👀 Experience required as a C# Developer: Russell Group … university 1st Class Degree in Computer Science (or related – Maths, Physics, Engineering) 2-6 years experience in C# (also open to Python & Go engineers) Strong computer science fundamentals End-to-end project experience (from design, to build, to deployment) 💡 What you’ll do: Write clean, scalable code in C# Drive innovation using AWS and GCP Build and scale platform capabilities More ❯

Software Developer C#/.Net Core Basingstoke - Hybrid - 3/5 Days in the Office - Circa 45,000 An excellent opportunity to work with a fast-paced and profitable technology company that helps businesses test and improve the quality of their products and services. The company are building the best product in the industry and are obsessed about continuously deploying … their customers. This is a rare opportunity to be an early joiner at a technology company that is growing fast, yet sustainability. Responsibilities Responsible for ongoing product development using C# & .Net Core Write clean, efficient, secure, and maintainable code that has high test coverage. Design, test, build and develop new features with the team. Experienced in using SCRUM to consistently More ❯

Software Developer C#/.Net Core Basingstoke - Hybrid - 3/5 Days in the Office - Circa £45,000 An excellent opportunity to work with a fast-paced and profitable technology company that helps businesses test and improve the quality of their products and services. The company are building the best product in the industry and are obsessed about continuously deploying … their customers. This is a rare opportunity to be an early joiner at a technology company that is growing fast, yet sustainability. Responsibilities Responsible for ongoing product development using C# & .Net Core Write clean, efficient, secure, and maintainable code that has high test coverage. Design, test, build and develop new features with the team. Experienced in using SCRUM to consistently More ❯

Software Developer C#/.Net Core Basingstoke - Hybrid - 3/5 Days in the Office - Circa £45,000 An excellent opportunity to work with a fast-paced and profitable technology company that helps businesses test and improve the quality of their products and services. The company are building the best product in the industry and are obsessed about continuously deploying … their customers. This is a rare opportunity to be an early joiner at a technology company that is growing fast, yet sustainability. Responsibilities Responsible for ongoing product development using C# & .Net Core Write clean, efficient, secure, and maintainable code that has high test coverage. Design, test, build and develop new features with the team. Experienced in using SCRUM to consistently More ❯

Title: C#/.NET Developer Client: Elite Buy-Side Fund Salary: Up to £70,000 + Bonus + Benefits Location: London (Hybrid) The Opportunity: Seeking a Junior C#/.NET Developer to join their high-performing engineering team. This is an exceptional opportunity to work alongside experienced technologists and investment professionals building mission-critical systems that drive trading, research, and … technologies, machine learning and cutting edge tools to advance competitive edge. Who You Are: Recent graduate with stellar academics and 1-5 years of relevant experience Strong proficiency in C# and .NET Experience with multithreading, asynchronous programming, and SQL Server Proven ability to tackle complex challenges with initiative and agility in high-pressure environments Apply now or reach out directly More ❯

Title: C#/.NET Developer Client: Elite Buy-Side Fund Salary: Up to £70,000 + Bonus + Benefits Location: London (Hybrid) The Opportunity: Seeking a Junior C#/.NET Developer to join their high-performing engineering team. This is an exceptional opportunity to work alongside experienced technologists and investment professionals building mission-critical systems that drive trading, research, and … technologies, machine learning and cutting edge tools to advance competitive edge. Who You Are: Recent graduate with stellar academics and 1-5 years of relevant experience Strong proficiency in C# and .NET Experience with multithreading, asynchronous programming, and SQL Server Proven ability to tackle complex challenges with initiative and agility in high-pressure environments Apply now or reach out directly More ❯

Title: C#/.NET Developer Client: Elite Buy-Side Fund Salary: Up to £70,000 + Bonus + Benefits Location: London (Hybrid) The Opportunity: Seeking a Junior C#/.NET Developer to join their high-performing engineering team. This is an exceptional opportunity to work alongside experienced technologists and investment professionals building mission-critical systems that drive trading, research, and … technologies, machine learning and cutting edge tools to advance competitive edge. Who You Are: Recent graduate with stellar academics and 1-5 years of relevant experience Strong proficiency in C# and .NET Experience with multithreading, asynchronous programming, and SQL Server Proven ability to tackle complex challenges with initiative and agility in high-pressure environments Apply now or reach out directly More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid - 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With millions … and iterate. Contribute to a product used by developers and enterprises worldwide. What you'll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With millions … and iterate. Contribute to a product used by developers and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With millions … and iterate. Contribute to a product used by developers and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With millions … and iterate. Contribute to a product used by developers and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . More ❯

with a willingness to take on responsibilities and challenges. Work comfortably and proactively from design briefs rather than water-tight specification Software/language skills: Essential (proven experience required) C# .Net Core application development (at least 2 years) Microsoft Entity Framework LinQ Microsoft Visual Studio IDE (v17 upwards (2022)) Preferred C# WebAPI development (OAuth2) Microsoft SQL Server Knowledge of GIT More ❯

Backend Software Engineer/Developer (Windows C/C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will join an … software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three … career development including personalised budget Gain valuable finance/exchange connectivity experience Apply now to find out more about this Backend Software Engineer/Developer (Windows C/C++, C#) 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 people come More ❯

Backend Software Engineer/Developer (Windows C/C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will join an … software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three … career development including personalised budget Gain valuable finance/exchange connectivity experience Apply now to find out more about this Backend Software Engineer/Developer (Windows C/C++, C#) 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 people come More ❯

control and sensing applications. Typical device targets include Zynq 7000 SoC, TI MSP430, and Renesas RX series processors. Develop supporting GUI or Windows-based control and test applications in C# using Microsoft Visual Studio. Perform hardware debugging and component-level testing. Collaborate within a multidisciplinary engineering team while taking ownership of your own development tasks. Contribute to concept, requirements analysis … Engineering or a related discipline. Previous work experience in embedded systems. Strong C programming skills with proven experience. Experience in Windows application development (GUI/test tools), ideally using C# and Microsoft Visual Studio. Understanding of hardware-level debugging and component testing. Excellent technical problem-solving and debugging skills. Ability to work both independently and collaboratively in a small, agile More ❯