Senior C# Developer Jobs in the South East

20 of 20 Senior C# Developer Jobs in the South East

Senior C# Developer – Elite Quant Fund (up to £120K + Bonus + Hybrid)

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior C# Developer – Elite Quant Fund (up to £120K + Bonus + Hybrid), slough col-narrow-left Client: Hunter Bond Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job … Views: 3 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Job Title : Senior C# Developer – Elite Quant Fund (up to £120K + Bonus + Hybrid) Salary : Up to £120,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering … closely with an Elite Quant Fund 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 More ❯
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Senior C# Developer - Finance

South East London, England, United Kingdom
Hybrid / WFH Options
Client Server
Senior C# Developer/Engineer (C# .Net Core React) 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 … 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 More ❯
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Senior C# Developer .Net Core Azure SaaS

Reigate, England, United Kingdom
Hybrid / WFH Options
Client Server
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 … 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 ❯
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Senior C# Developer - up to £750 per day

South East London, England, United Kingdom
Hybrid / WFH Options
Hunter Bond
Role Type : Contract Title – Senior C# Engineer Client – Established Financial Institution Rate - Up to £750 P/D! Location – London/Hybrid Duration : 6 month rolling My client is a well-established and successful tech house working in the finance sector who are looking a talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most up to … a 6 month rolling Contract, with high possibility of extension, and can pay up to £700 P/D Requirements: Strong experience working with C#/.Net Strong experience with SQL - Ideally with SQL reporting tool (SSIS/SSRS etc) Front end experience a big plus! Experience working with More ❯
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Senior Developer - Backend C#

Horsham, West Sussex, South East, United Kingdom
Hybrid / WFH Options
Profectus
Senior Developer - Backend C# Remote initially then hybrid – Horsham (3 Days Office/2 Remote) Profectus Recruitment is proud to be working exclusively with a leading technology client as they continue to scale their in-house engineering function. We are currently seeking a highly capable … Senior Back-End Developer with a strong foundation in C# and deep experience in database-driven development. This is a fantastic opportunity to join a fast-moving, product-led environment, where technology underpins everything the business delivers. The successful candidate will play a key role … very much a back-end focused role and is not aimed at those looking to become full-stack. What we're looking for: Strong C# experience – essential Ideally some C++ or Java experience a bonus. Excellent SQL/database skills – preferably MS SQL Server Some exposure to web development More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
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Senior C# .Net Software Developer

Banbury, Oxfordshire, South East, United Kingdom
Hireful
Are you an experienced .Net (C#) Developer, looking to take on a Lead 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 AI/LLM dev tools (Cursor … 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. 3 days a week in the … technical product team & obviously 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 More ❯
Employment Type: Permanent
Salary: £65,000
Posted:

Senior C# .Net Software Developer

Banbury / Work from home, Oxfordshire, United Kingdom
Hybrid / WFH Options
hireful
Are you an experienced .Net (C#) Developer, looking to take on a Lead 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 AI/LLM dev tools (Cursor … 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. 3 days a week in the … technical product team & obviously 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 More ❯
Employment Type: Permanent
Salary: £60000 - £70000/annum Up to £70K Basic + Benefits Package
Posted:

Senior Software Developer (Python & C#)

Dartford, England, United Kingdom
Laing O'Rourke
Senior Software Developer (Python & C#) Location: Dartford with Manchester, Worksop, London (Considered) The Senior Software Developer for the Digital Design Intelligence (DDI) platform will design, implement, and maintain a scalable, Azure-based cloud platform and framework to support the business and … scalable environment that aligns with Engineering standards. Use Infrastructure as Code (IaC) tools like Terraform, or Bicep for consistent, automated resource provisioning. Automation &Developer Enablement Implement and automate pre-configured environments, supporting citizen developers with ready-to-use, compliant resources. Integrate DDI platform automation with CI/CD … practices, fostering effective knowledge transfer. Provide tutorials, workshops, and platform documentation to support citizen developers and technical teams. Skills and Qualifications: Highly proficient with C# and Python development. Minimum 10 years experience. 5+ years of experience with Azure services, including hands-on experience creating platforms or frameworks for non More ❯
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Senior C# Developer with MVC and SOAP

East Grinstead, England, United Kingdom
Endeavour Recruitment Solutions
Endeavour Recruitment has a fantastic opportunity available for a skilled C# Developer to work with an award-winning travel and tourism ecommerce client based just outside of Crawley with direct train access from London Victoria. Our client has a high volume website with over 9 million plus … page views a month. They require a skilled Developer with C#, MVC, SOAP, Rest, and ideally Epi Server. If you are a skilled developer and looking for your next contract, please don’t hesitate to apply. #J-18808-Ljbffr More ❯
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C# .Net Software Developer - Lead / Senior

Milton Keynes, Buckinghamshire, South East, United Kingdom
Hireful
Are you an experienced .Net (C#) Developer, looking to take on a Lead 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 AI/LLM dev tools (Cursor … 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. 3 days a week in the … technical product team & obviously 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 More ❯
Employment Type: Permanent
Salary: £65,000
Posted:

C# .Net Software Developer - Lead / Senior

Milton Keynes / Work from home, Buckinghamshire, United Kingdom
Hybrid / WFH Options
hireful
Are you an experienced .Net (C#) Developer, looking to take on a Lead 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 AI/LLM dev tools (Cursor … 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. 3 days a week in the … technical product team & obviously 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 More ❯
Employment Type: Permanent
Salary: £60000 - £70000/annum Up to £70K Basic + Benefits package
Posted:

Senior Full Stack C# .NET Developer

Woking, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack C# .NET Developer, woking col-narrow-left Client: WebX Systems Ltd. Location: woking, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 9 Posted: 06.06.2025 Expiry Date … 21.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯
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Senior Full Stack C# .NET Developer

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack C# .NET Developer, southampton col-narrow-left Client: WebX Systems Ltd. Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date … 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯
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Senior Full Stack C# .NET Developer

Brighton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack C# .NET Developer, brighton col-narrow-left Client: WebX Systems Ltd. Location: brighton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date … 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯
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Senior Full Stack C# .NET Developer

Reading, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack C# .NET Developer, reading col-narrow-left Client: WebX Systems Ltd. Location: reading, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date … 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯
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Senior Full Stack C# .NET Developer

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack C# .NET Developer, slough col-narrow-left Client: WebX Systems Ltd. Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date … 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯
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Senior Full Stack C# .NET Developer

Portsmouth, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack C# .NET Developer, portsmouth, hampshire col-narrow-left Client: WebX Systems Ltd. Location: portsmouth, hampshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 … Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯
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Senior Full Stack C# .NET Developer

Crawley, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack C# .NET Developer, crawley, west sussex col-narrow-left Client: WebX Systems Ltd. Location: crawley, west sussex, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views … Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯
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Senior C# Developer

Southampton, England, United Kingdom
Zygo People
digital platform. Working closely with an internal developer, analysts and external digital suppliers to build scalable, reliable, and future-proof applications using C#, Azure, and the Microsoft Power Platform. You’ll get to lead on consolidating systems, streamlining DevOps with CICD pipelines, and creating a tech strategy … from scratch, all while driving meaningful change in how global leaders are assessed and developed. You'll be the second internal developer hire, which gives you a lot of responsibility and autonomy and the chance to build a team around … you. Plenty of room to get challenged, grow and progress both personally and professionally. Responsibilities To be considered you’ll have: Strong experience with C# development and Microsoft Power Platform (Power Apps, Power Automate, Dataverse). Solid Azure experience, including Azure Functions and data services. A DevOps mindset with More ❯
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Senior C# Developer
the South East
10th Percentile
£51,000
25th Percentile
£58,125
Median
£63,750
75th Percentile
£67,500
90th Percentile
£74,250