1 to 25 of 107 C# Jobs in the South East

Senior AI Developer

Hiring Organisation
Sellick Partnership
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
capability within the team. Skills and Experience Essential Strong commercial experience in full stack software development. Proficiency in one or more of .NET/C#, Python, React, or Node.js. Experience delivering production software in customer or enterprise environments. Practical knowledge of LLMs, prompt engineering, RAG, or AI application development. Experience ...

Senior Azure Developer

Hiring Organisation
Advania UK
Location
Reading, Berkshire, UK
Employment Type
Full-time
Azure OpenAI.Strong Azure PaaS development experience, including Azure Functions, Azure Storage, Logic Apps, APIs, managed identities and integration patterns.Strong capability in .NET Core and C# using currently supported versions.Experience with infrastructure as code using Terraform and/or Bicep for repeatable Azure deployments.Excellent written and verbal communication skills, including documentation ...

Mid-Level Software Engineer

Hiring Organisation
Nextech Group Limited
Location
Clacton-On-Sea, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£40,000
code reviews and technical planning. Troubleshooting and resolving software issues. Contributing to continuous improvement and development best practices. Essential Skills: Commercial experience developing with C# . Strong knowledge of .NET 6-10 and .NET Framework 4.8 . SQL. Experience with VB.NET . HTML, CSS and JavaScript. Experience with at least ...

Software Engineer

Hiring Organisation
TREND Networks Limited
Location
HP11, Loudwater, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £60000/annum
collaborative approach with a passion for developing high-quality software. Desirable Experience in any of the following would be advantageous: Python ASP.NET/C# React or Node.js Qt Quick/QML GitLab CI/CD Linux driver development SaaS and cloud-hosted applications Machine Learning Networking technologies including Ethernet ...

Senior AI Developer

Hiring Organisation
Reed Technology
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
delivery capability as the model transitions into the Delivery team. Required Skills & Qualifications: Extensive full-stack development experience in React/Node.js, .NET/C#, Python/Fast API. Proven track record of delivering production software on client-facing projects, ideally within a consultancy or professional services environment. Experience with ...

Senior AI Developer

Hiring Organisation
Tribe Appointments Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
product and delivery strategy, identifying opportunities to package AI capabilities. Required Skills & Experience Strong full-stack development experience (React/Node.js, .NET/C#, Python/FastAPI). Proven background delivering production software in client-facing environments. Experience with LLM integration, prompt engineering, RAG or agentic AI development. Familiarity with ...

Software Developer in Test - C3

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Essential Skills & Experience: Eligibility for Security Clearance Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing and automation ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Proven leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban) Strong programming skills in Java, C#, JavaScript/TypeScript , or similar Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured Experience with integration testing, test strategy ...

Graduate C#.Net Developer x 2 - Jump IT Solutions

Hiring Organisation
Jump IT Recruitment Solutions
Location
Kent
Employment Type
Permanent
Salary
£25,000 - £40,000 + Benefits + Potential
About the Role C#, .NET, .NET Core, SQL Server, T-SQL, Entity, Azure, App Services, Azure Service Bus, Event-driven architecture, APIs, CI/CD, DevOps. We have 2 great permanent job opportunities to join our client in early 2026. Based in Kent offices, it would really suit someone ...

Principal Automation Test Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
performance testing tools like JMeter, Gatling, K6, Neoload, or Webload Strong coding skills in at least one language such as Java, TypeScript JavaScript, Python, C#, Scala, or PHP Experience designing and building automation frameworks Familiarity with Agile development environments ( SCRUM, Kanban, TDD, BDD ) Implementing pipelines using common tooling such ...

Lead C# Developer .Net - FinTech

Hiring Organisation
Client Server
Location
Reigate, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
Lead C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to £100k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning … contribution) Health Care and Life Assurance Training and career development Social events and a range of other perks Your role: As a Lead C# Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship desktop insurance platform that handles 4 billion requests ...

Lead C# Developer.Net - FinTech

Hiring Organisation
Client Server
Location
Reigate, Surrey, UK
Employment Type
Full-time
Lead C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to 100kDo you have expertise with C# desktop development, working on complex scalable systems You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities … contribution)Health Care and Life AssuranceTraining and career developmentSocial events and a range of other perks Your role:As a Lead C# Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship desktop insurance platform that handles 4 billion requests per month.You ...

Senior Engineer Team Leader

Hiring Organisation
Halian Technology Limited
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
What we're looking for 6+ years' experience building production software Previous technical leadership experience within an engineering team Strong backend development skills in C#/.NET (or Java, Kotlin, Go) Experience with React, Vue.js, or similar front-end frameworks Strong understanding of distributed systems and microservices architecture Cloud experience ...

Senior Azure Developer

Hiring Organisation
Morson Edge
Location
Broxbourne, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
enterprise-grade applications and integrations that support critical business operations and infrastructure projects. You will work across a modern Azure environment, utilising technologies including C#, Azure Functions, Logic Apps, Service Bus, API Management, Key Vault, Storage Accounts, Front Door/Application Gateway, Infrastructure as Code, and CI/CD pipelines. ...

Principal Software Engineer

Hiring Organisation
Verifile Ltd
Location
Bedford, Bedfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
design, delivery, and problem solving. The must haves: Proven experience delivering high quality software solutions within modern engineering environments. Strong technical expertise across Azure, C#, ASP.NET, React, APIs, and cloud based development. Experience designing scalable, secure, and maintainable software architectures. A passion for innovation, with experience using AI tools ...

Blue Prism Developer

Hiring Organisation
COMPUTACENTER (UK) LIMITED
Location
Hatfield, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Processes and Business Objects. Experience with Blue Prism Control Room operations, monitoring, scheduling, and queue management. Strong knowledge and practical exposure (4+ years) to C#, MVC (v5 or newer) .NET Core (.NET 6 or newer) and Blazor frontend. Proficiency in web development technologies such as JQuery, JSON, XML, HTML5, CSS3 ...

Software Engineer

Hiring Organisation
Platform Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
data, APIs, data access layers, integrations, and AI-powered tools alongside bioinformaticians and data scientists. You'll own projects end-to-end. Requirements Strong C#/.NET development experience Strong JavaScript/TypeScript + React experience Working knowledge of Python Life science or biological data background (very desirable) Benefits Private ...

Senior .Net Developer (Billing Systems Essential)

Hiring Organisation
Hays
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
This means being comfortable reading and understanding legacy code, troubleshooting issues and explaining behaviour to non-technical stakeholders. You'll have solid experience across C#/.NET and SQL Server and API's, alongside an understanding of how systems integrate and handle complex data. Exposure to containerisation (Docker) and modern ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£40,000
lifecycles (Jira/DevOps/Git) Familiarity with development to design and coding standards . Good teamwork and communication abilities Useful to have Python, C#, LabVIEW software development Experience CUDA integration (AI/ML) Industrial protocols (read-across to Synergia etc.) Experience with Infrared Physics, Computer Science, Software Engineering, ITQSB ...

Graduate Operations Executive

Hiring Organisation
Hackajob Ltd
Location
Wallingford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£30,000
digital transformation. Experience developing applications, software or digital solutions through university, placements or personal projects. Knowledge of programming languages such as Python, JavaScript or C#, or experience with low-code platforms such as Microsoft Power Platform. An understanding of databases, APIs and data analysis. Good communication skills with the ability ...

Senior Site Reliability Engineer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
with a strong emphasis on systems engineering, automation, and service reliability Proficient in at least one programming language such as Python, Go, Java, or C#, along with scripting skills in Bash or PowerShell Solid grasp of cloud platforms like AWS, including an understanding of how core services like ...

Senior Salesforce Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
secure and maintainable solutions while considering Salesforce platform limits, data model, integrations and performance - Solid object-oriented programming background, for example in Java or C#, with strong software engineering fundamentals Nice to have - Experience contributing to architecture reviews, technical roadmaps or design governance - Exposure to Salesforce REST APIs, integrations ...

Software Architect

Hiring Organisation
Stratospherec Ltd
Location
Horsham, West Sussex, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum Excellent benefits
travel to the office once or twice a week and work the rest of the time - salary up to £65k. Tech skills .Net Core C# React Blazor Solid Principles Software Architecture Designs Desirable: AWS CI/CD Pipelines REST APIs WPF The ideal candidate will have the ability ...

Junior Software Engineer

Hiring Organisation
H Squared Talent Ltd
Location
Hampshire, Anna Valley, United Kingdom
Employment Type
Permanent
Salary
£30000 - £35000/annum
Engineering, Electronics, Robotics or something similar Hands-on experience with OOP Database, problem-solving, and bug-fixing experience At least one of the following: C#/.Net/WPF/MVVM/Git/C++/WiX/MVVC or MVC Microsoft SQL server beneficial Whether you are a fresh ...

Cyber Software Engineer

Hiring Organisation
Anson Mccade
Location
Rochester, Kent, South East, United Kingdom
Employment Type
Permanent
workstreams and contributing to the successful delivery of complex projects. What They're Looking For Strong programming experience in languages such as C++, Java, C#, Python or JavaScript. Experience designing and developing secure software solutions. Understanding of cyber security principles and secure development practices. Experience leading technical work or mentoring ...