1 to 25 of 123 Permanent C# Developer Jobs in the South East

Senior C# Developer/Engineer (C# .Net) London/WFH to £80k Are you a skilled C# Developer looking to work on complex and interesting systems with continual learning and self development opportunities? You could be progressing your career at in a senior … hands-on role at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React … deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from More ❯

Senior C# Developer/Engineer (C# .Net) London/WFH to £80k Are you a skilled C# Developer looking to work on complex and interesting systems with continual learning and self development opportunities? You could be progressing your career at in a senior … hands-on role at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React … deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from More ❯

Senior C# Developer/Backend Software Engineer (C# SQL T-SQL SSIS) Billericay to £75k Are you a skilled Senior C# Developer with a good knowledge of T-SQL and SSIS? You could be progressing your career in a senior role at an … eCommerce payments solutions provider that has experienced great success in the last year and is growing as a result. As a Senior C# Developer you will join an Agile development team and take responsibility for database and application development within the team. You'll create new functionality … a week (Wednesday to Friday) in Billericay (free onsite parking), with flexibility to work from home Monday and Tuesday. About you: You have strong C# coding skills and experience of building APIs You have a strong knowledge of Microsoft SQL Server, T-SQL and SSIS stored procedures You have More ❯

Senior C# Developer/Backend Software Engineer (C# .Net Core Azure SaaS) Reigate/WFH to £90k Are you a backend focussed C# Developer with an indepth knowledge of Azure? You could be progressing your career in a senior, hands on role at … a global InsurTech business that is producing game changing technology. As a Senior C# Developer you will join the team responsible for their flagship SaaS insurance platform that handles 4 billion requests per month, playing a key role in designing and developing new features and enhancements whilst … twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You have expertise with C# .Net Core backend software development, having worked on large, scalable systems with complexity You're an advocate of creating, clean, reusable and maintainable code More ❯

Senior C# Developer/Backend Software Engineer (C# .Net Core Azure SaaS) Reigate/WFH to £90k Are you a backend focussed C# Developer with an indepth knowledge of Azure? You could be progressing your career in a senior, hands on role at … a global InsurTech business that is producing game changing technology. As a Senior C# Developer you will join the team responsible for their flagship SaaS insurance platform that handles 4 billion requests per month, playing a key role in designing and developing new features and enhancements whilst … twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You have expertise with C# .Net Core backend software development, having worked on large, scalable systems with complexity You're an advocate of creating, clean, reusable and maintainable code 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 … 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 implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and 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 … 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 implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and More ❯

Lead C# Developer/Software Engineer (C# .Net Core Azure) Reigate/WFH to £95k Are you a backend focussed C# technologist looking for an opportunity to work on cutting edge SaaS technology? You could be progressing your career in a senior hands-on role … at a global InsurTech. As a Lead C# Developer you will take a principal role in the team responsible for their flagship SaaS insurance platform that handles 4 billion requests per month. The work is challenging and complex, you'll focus on delivering the evolution of backend … you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings. About you: You have expertise with C# .Net Core backend development, with experience of developing highly available, scalable systems You have a deep knowledge of Azure cloud based services You have More ❯

C# Developer/Software 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 … C# Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing … 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 More ❯

C# Developer/Software 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 … C# Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing … 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 More ❯

Lead C# Developer/Backend Software Engineer (C# .Net Azure SaaS) Reigate/WFH to £100k Are you a backend focussed C# technologist with an indepth knowledge of Azure, combined with technical leadership skills? You could be progressing your career in a senior, hands on … role at a global InsurTech business that is producing game changing technology. As a Lead C# Developer you'll collaborate, problem solve and provide technical leadership to a small team of other senior engineers to build the 1st generation of a highly complex SaaS platform that enables … twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You have expertise with C# .Net Core backend software development, having worked on large, scalable systems with complexity You have a strong knowledge of Azure and SaaS You have More ❯

Lead C# Developer/Backend Software Engineer (C# .Net Azure SaaS) Reigate/WFH to £100k Are you a backend focussed C# technologist with an indepth knowledge of Azure, combined with technical leadership skills? You could be progressing your career in a senior, hands on … role at a global InsurTech business that is producing game changing technology. As a Lead C# Developer you'll collaborate, problem solve and provide technical leadership to a small team of other senior engineers to build the 1st generation of a highly complex SaaS platform that enables … twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You have expertise with C# .Net Core backend software development, having worked on large, scalable systems with complexity You have a strong knowledge of Azure and SaaS You have More ❯

Job Title : Senior C# Developer – Elite Fintech Company (up to £120K + Bonus + Hybrid) Client : Elite Fintech Company Salary : Up to £120,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with an Elite Fintech Company who are looking … for a Senior C# Developer to work on building out their Front Office Fixed Income trading platform. With a commitment to the highest tech standards in the industry, our client prides itself on maintaining cutting-edge technology and a progressive work environment. As a Senior C# … top-tier infrastructure teams in the financial sector. Key Requirements: Degree in Computer Science or STEM based subjects. Strong programming skills as a Senior C# Developer. 4+ years of work experience in a Fixed Income environment such as Bonds or Swaps. Proficiency in modern software development practices, including version More ❯

Job Title : Senior C# Developer – Elite Fintech Company (up to £120K + Bonus + Hybrid) Client : Elite Fintech Company Salary : Up to £120,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with an Elite Fintech Company who are looking … for a Senior C# Developer to work on building out their Front Office Fixed Income trading platform. With a commitment to the highest tech standards in the industry, our client prides itself on maintaining cutting-edge technology and a progressive work environment. As a Senior C# … top-tier infrastructure teams in the financial sector. Key Requirements: Degree in Computer Science or STEM based subjects. Strong programming skills as a Senior C# Developer. 4+ years of work experience in a Fixed Income environment such as Bonds or Swaps. Proficiency in modern software development practices, including version More ❯

Full Stack Developer – C# Location: Tunbridge Wells | Salary: £45,000 + Excellent Benefits Are you a talented Full Stack Developer with a passion for C#? This is a fantastic opportunity to join a well-established digital agency based in Tunbridge Wells. With over … offers a salary of up to £45,000 plus excellent benefits. Duties & Responsibilities Build and maintain scalable, high-performance web applications and solutions using C# and modern frameworks. Collaborate with UX and design teams to transform concepts into functional builds. Write clean, well-structured code and support the wider … and communicate issues with practical solutions. Mentor junior developers and contribute to shared knowledge and resources. What Experience is Required Proven experience developing with C#, .NET (Core and/or Framework), and SQL. Strong frontend skills using HTML, CSS, JavaScript, and associated tools. Experience with CMS platforms (e.g. Umbraco More ❯

Job Description Senior C# Developer/Backend Software Engineer (C# .Net Core Azure SaaS) Reigate/WFH to £90k Are you a backend focussed C# Developer with an indepth knowledge of Azure? You could be progressing your career in a senior, hands on … role at a global InsurTech business that is producing game changing technology. As a Senior C# Developer you will join the team responsible for their flagship SaaS insurance... ZIPC1_UKTJ ... More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to many exciting … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to many exciting … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯

C# Developer Location: Swindon - twice a month on-site Salary: £40,000 - £45,000 plus benefits About the Role We're looking for a Junior to Mid-Level Developer with strong C# programming skills to join a small, collaborative team working on enterprise systems … across a variety of industries. This role is ideal for someone with a solid foundation in C# who is eager to grow their experience in modern web development and legacy system support You'll be involved in both maintaining existing WinForms applications and contributing to new development using Blazor. … a collaborative team. They also provide Microsoft enterprise licenses so that you can up skill and gain qualifications Technical Skills Required Strong experience with C# (core language focus) Exposure to Blazor or other modern web UI frameworks (e.g., Razor Pages, React, Angular) Familiarity with WinForms for legacy application support More ❯

C# Developer Location: Swindon - twice a month on-site Salary: £40,000 - £45,000 plus benefits About the Role We're looking for a Junior to Mid-Level Developer with strong C# programming skills to join a small, collaborative team working on enterprise systems … across a variety of industries. This role is ideal for someone with a solid foundation in C# who is eager to grow their experience in modern web development and legacy system support You'll be involved in both maintaining existing WinForms applications and contributing to new development using Blazor. … a collaborative team. They also provide Microsoft enterprise licenses so that you can up skill and gain qualifications Technical Skills Required Strong experience with C# (core language focus) Exposure to Blazor or other modern web UI frameworks (e.g., Razor Pages, React, Angular) Familiarity with WinForms for legacy application support More ❯

C# Developer Location: Swindon - twice a month on-site Salary: £40,000 - £45,000 plus benefits About the Role We're looking for a Junior to Mid-Level Developer with strong C# programming skills to join a small, collaborative team working on enterprise systems … across a variety of industries. This role is ideal for someone with a solid foundation in C# who is eager to grow their experience in modern web development and legacy system support You'll be involved in both maintaining existing WinForms applications and contributing to new development using Blazor. … a collaborative team. They also provide Microsoft enterprise licenses so that you can up skill and gain qualifications Technical Skills Required Strong experience with C# (core language focus) Exposure to Blazor or other modern web UI frameworks (e.g., Razor Pages, React, Angular) Familiarity with WinForms for legacy application support More ❯

C# Developer Location: Swindon - twice a month on-site Salary: £40,000 - £45,000 plus benefits About the Role We're looking for a Junior to Mid-Level Developer with strong C# programming skills to join a small, collaborative team working on enterprise systems … across a variety of industries. This role is ideal for someone with a solid foundation in C# who is eager to grow their experience in modern web development and legacy system support You'll be involved in both maintaining existing WinForms applications and contributing to new development using Blazor. … a collaborative team. They also provide Microsoft enterprise licenses so that you can up skill and gain qualifications Technical Skills Required Strong experience with C# (core language focus) Exposure to Blazor or other modern web UI frameworks (e.g., Razor Pages, React, Angular) Familiarity with WinForms for legacy application support More ❯

C# Developer Location: Swindon - twice a month on-site Salary: £40,000 - £45,000 plus benefits About the Role We're looking for a Junior to Mid-Level Developer with strong C# programming skills to join a small, collaborative team working on enterprise systems … across a variety of industries. This role is ideal for someone with a solid foundation in C# who is eager to grow their experience in modern web development and legacy system support You'll be involved in both maintaining existing WinForms applications and contributing to new development using Blazor. … a collaborative team. They also provide Microsoft enterprise licenses so that you can up skill and gain qualifications Technical Skills Required Strong experience with C# (core language focus) Exposure to Blazor or other modern web UI frameworks (e.g., Razor Pages, React, Angular) Familiarity with WinForms for legacy application support More ❯

C# Developer Location: Swindon - twice a month on-site Salary: £40,000 - £45,000 plus benefits About the Role We're looking for a Junior to Mid-Level Developer with strong C# programming skills to join a small, collaborative team working on enterprise systems … across a variety of industries. This role is ideal for someone with a solid foundation in C# who is eager to grow their experience in modern web development and legacy system support You'll be involved in both maintaining existing WinForms applications and contributing to new development using Blazor. … a collaborative team. They also provide Microsoft enterprise licenses so that you can up skill and gain qualifications Technical Skills Required Strong experience with C# (core language focus) Exposure to Blazor or other modern web UI frameworks (e.g., Razor Pages, React, Angular) Familiarity with WinForms for legacy application support More ❯

C# Developer Location: Swindon - twice a month on-site Salary: £40,000 - £45,000 plus benefits About the Role We're looking for a Junior to Mid-Level Developer with strong C# programming skills to join a small, collaborative team working on enterprise systems … across a variety of industries. This role is ideal for someone with a solid foundation in C# who is eager to grow their experience in modern web development and legacy system support You'll be involved in both maintaining existing WinForms applications and contributing to new development using Blazor. … a collaborative team. They also provide Microsoft enterprise licenses so that you can up skill and gain qualifications Technical Skills Required Strong experience with C# (core language focus) Exposure to Blazor or other modern web UI frameworks (e.g., Razor Pages, React, Angular) Familiarity with WinForms for legacy application support More ❯