C# Developer Full Stack.Net Agentic AI

Client Server; Reigate and Banstead; Hybrid; GBP 80,000 - 95,000; Full time

Benefits offered by this job

Bonus

Hybrid work

Parental leave

Birthday off

Pension

Health care

Life Assurance

Training

Job summary

Client Server is seeking a C# Developer Full Stack to join a global InsurTech team in Reigate with hybrid WFH options. You’ll design, develop and enhance modern SaaS applications, working with Product Owners to shape features from concept to production.

The role emphasizes AI native software engineering, architecture ownership, quality and security, plus hands-on coding with .NET, C#, and agentic AI tools. Expect a collaborative, fast-paced environment with training and career development.

Qualifications

• Hands-on experience with AI coding assistants and agentic development tools.

Responsibilities

• Design, develop and enhance modern SaaS applications from concept to production.
• Build scalable, high-quality software and write automated tests.
• Review code and contribute to Agile development lifecycle.

Skills

C#

.NET

Full stack

AI tooling

Agile

Job description

C# Developer Full Stack.Net Agentic AI (PR/100994) Reigate, England

Salary: GBP80000 - GBP95000 per annum + bonus + benefits

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