1 to 25 of 339 Permanent C# Jobs in the South East

Senior C# Developer .Net Core - Finance

Hiring Organisation
Client Server
Location
Slough, Berkshire, UK
Employment Type
Full-time
Senior C# Developer/Engineer (C# .Net Core) London/WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer … 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 ...

Senior Full Stack .Net Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Gatwick, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
Lead positions to build a career in an internationally renowned business. What you'll need to succeed We are looking for Strong experience in C# .NET, building RESTful APIs and distributed microservices. Solid understanding of SQL Server, Entity Framework Core, and data modelling.It's a Full Stack role ...

Senior Full Stack .Net Developer

Hiring Organisation
Hays
Location
Gatwick, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Lead positions to build a career in an internationally renowned business. What you'll need to succeed We are looking for Strong experience in C# .NET, building RESTful APIs and distributed microservices. Solid understanding of SQL Server, Entity Framework Core, and data modelling. It's a Full Stack role ...

Software Engineer

Hiring Organisation
Gerrell & Hard
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
testing, and documentation Solve complex technical challenges through innovative, practical solutions Essential Skills Degree (2:1 or above) in a STEM field Proficiency in C#, C++, or Python Strong understanding of software design principles and patterns Hands-on experience with test-driven development Solid OOP skills and enthusiasm for applied ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Slough, Berkshire, UK
Employment Type
Full-time
engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams to deliver solutions that solve genuine business challenges Tech Stack: Core: C#, .NET Core Architecture: Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Guildford, Surrey, UK
Employment Type
Full-time
engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams to deliver solutions that solve genuine business challenges Tech Stack: Core: C#, .NET Core Architecture: Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams to deliver solutions that solve genuine business challenges Tech Stack: Core: C#, .NET Core Architecture: Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Crawley, West Sussex, UK
Employment Type
Full-time
engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams to deliver solutions that solve genuine business challenges Tech Stack: Core: C#, .NET Core Architecture: Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Brighton, East Sussex, UK
Employment Type
Full-time
engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams to deliver solutions that solve genuine business challenges Tech Stack: Core: C#, .NET Core Architecture: Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend ...

Full Stack .Net Developer Angular v20 / .NET 8 Microservices

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Gatwick, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
Lead positions to build a career in an internationally renowned business. What you'll need to succeed We are looking for Strong experience in C# .NET, building RESTful APIs and distributed microservices. Solid understanding of SQL Server, Entity Framework Core, and data modelling.It's a Full Stack role ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Southampton, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Dartford, Kent, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Reading, Berkshire, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Maidstone, Kent, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Guildford, Surrey, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Brighton, East Sussex, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Full Stack .Net Developer (Angular v20/.Net 8 Microservices)

Hiring Organisation
Hays
Location
Gatwick, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Lead positions to build a career in an internationally renowned business. What you'll need to succeed We are looking for Strong experience in C# .NET, building RESTful APIs and distributed microservices. Solid understanding of SQL Server, Entity Framework Core, and data modelling. It's a Full Stack role ...

ICT Lead Developer

Hiring Organisation
VolkerWessels Uk
Location
Hoddesdon, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
collaboration and continuous improvement. About you Proven experience as a Senior or Lead Developer in a fast-paced environment. Strong proficiency in .NET, C#, SQL, Visual Studio, Power Platform, SharePoint. Experience with cloud platforms (Azure) and CI/CD pipelines. Experience with Developing and monitoring Azure integrations Demonstrable people management ...

Senior Web Developer

Hiring Organisation
RedTech Recruitment
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Professional qualifications, Work From Home
Salary
£60,000
devices, ensuring consistent and high quality user experiences Good working knowledge of SQL and relational databases, ideally SQL Server Server side development experience using C# or a similar object oriented language Strong understanding of secure development practices aligned with OWASP guidelines Comfortable working with Git based version control workflows Experience ...

Graduate C#.Net Developer x 2

Hiring Organisation
Jump IT Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £40,000 per annum
C#, .NET, .NET Core, SQL Server, T-SQL, Entity, Azure, App Services, Azure Service Bus, Event-driven architecture, API's, CI/CD, DevOps. We have 2 great permanent job opportunities to join our client in early 2026. A degree in computing, software engineering or computer science would be ideal ...

Senior Full Stack Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
commitments What we're looking for: 5+ years' experience as a software engineer in enterprise or regulated environments Strong commercial experience with Java (Spring); C# experience is a plus Solid background building RESTful services and APIs Front-end experience with Angular Strong understanding of secure coding practices (OAuth, OpenID Connect ...