C# Developer Full Stack.Net Agentic Ai

Client Server; Reigate; Hybrid; GBP 57,000 - 95,000; Full time

Benefits offered by this job

Hybrid working

Pension

Health care

Life Assurance

Training & development

Social events

Birthday off

Job summary

Client Server in Reigate, Surrey, England, is seeking a C# Developer / Full Stack Engineer (C# .Net) with an AI-first mindset. The role involves designing, developing and scaling modern SaaS applications, with a focus on quality, security and Agile delivery.

Hybrid working is offered (3 days remote) with office presence in Reigate. Expect up to £95k salary plus bonus, plus enhanced parental leave, 25 days holiday, pension, health care and ongoing training.

Qualifications

• Hands-on C# development experience for SaaS applications.
• Strong full stack capabilities across backend and frontend.
• Experience applying AI to accelerate software delivery while maintaining quality.

Responsibilities

• Design, develop and enhance SaaS applications in a C#/.Net stack.
• Collaborate with Product Owners to shape features from concept to production.
• Write automated tests, review code and uphold engineering standards.

Skills

C# development

Full stack development

AI-driven coding

Agile delivery

Tools

AI coding assistants

Agentic development tools

Job description

C# Developer Full Stack.Net Agentic AI Client Server•Reigate, Surrey, England

C# Developer / Full Stack Engineer (C# .Net Agentic AI) Reigate / WFH to £95k

Are you a technologist C# Developer with an AI first mindset and full stack development skills?

You could be progressing your career in a senior, hands‑on role at a global InsurTech business that is producing game changing technology.

What's in it for you:

• Up to £95k salary plus bonus
• Hybrid working (3 days a week work from home)
• Enhanced parental leave
• 25 days holiday (plus buy days and your birthday off)
• Pension, Health Care and Life Assurance
• Training and career development
• Social events and a range of other perks

Your role:

As a C# Developer you'll design, develop and enhance modern SaaS applications, working closely with Product Owners to shape new features from concept through to production. You'll build scalable, high-quality software, write automated tests, review code and contribute throughout the Agile development lifecycle.

The business is embracing AI native software engineering, rather than simply using AI to generate code, you'll work in an evolving agentic development environment, using AI to accelerate delivery while taking ownership of architecture, quality, security and technical decision making.

As the platform evolves, you'll spend more time defining technical solutions, writing clear specifications, reviewing AI generated code, orchestrating AI workflows and helping establish engineering best practices across the team.

Location / WFH:

There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet‑ups and stakeholder meetings with the other three days work from home.

About you:

• You have hands‑on experience using AI coding assistants and agentic development tools, with the ability to write effective specifications and prompts and confidently review AI generated code for quality, security and maintainability
• You have a genuine interest in applying AI to accelerate software delivery while maintaining high engineering standards
• You have a strong understanding of software engineering best practices, including architecture, testing, code quality and Agile delivery
• You are an analytical problem solver who thrives in fast‑paced, evolving environments and enjoys continuously improving products, processes and engineering practices

Full-time