4M Recruitment

4M Recruitment

Northampton, London

Senior Full Stack Developer

Full-Time£60,000 - 70,000 per yearyesterdayUnited Kingdom
IT

Job Description

Salary: £60,000 - 70,000 per year

Requirements:
  • Strong commercial experience developing with C# and .NET.
  • Experience building modern web applications with React and TypeScript.
  • Experience designing and consuming RESTful APIs.
  • Good knowledge of relational databases, ideally PostgreSQL.
  • A solid understanding of software engineering principles, testing, and maintainable code design.
  • Experience working within Agile development environments.
  • A degree in Computer Science or a related discipline, or equivalent commercial experience.
Responsibilities:
  • Design and develop modern web applications using C#, .NET, React, and TypeScript.
  • Build scalable backend services and RESTful APIs using PostgreSQL.
  • Contribute to software architecture, technical design, and engineering best practices.
  • Write clean, maintainable, and well-tested code.
  • Participate in code reviews and mentor other developers where appropriate.
  • Collaborate with cross-functional teams to deliver high-quality customer-focused solutions.
  • Drive continuous improvement across development processes, tooling, and platforms.
  • Work within Agile development practices using tools such as Jira and Confluence.
Technologies:
  • Backend
  • C#
  • Confluence
  • Support
  • JIRA
  • PostgreSQL
  • React
  • TypeScript
  • Web
  • ASP.NET
  • Fullstack

More:

We are recruiting a Senior Full Stack Developer on a permanent basis to join a talented software engineering team in Northamptonshire, working in a hybrid/remote setup. This is an opportunity to help shape a next-generation software platform and contribute to modern applications that support large-scale, mission-critical operations. You will work alongside experienced Software Engineers, Architects, Project Managers, and Subject Matter Experts, using modern technologies including .NET, React, TypeScript, and PostgreSQL, while making a genuine impact and continuing to develop your technical expertise.

last updated 31 week of 2026

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How to Apply

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  • An updated resume highlighting relevant experience
  • A compelling cover letter (if required)
  • Portfolio or work samples (for relevant positions)

About 4M Recruitment

4M Recruitment

4M Recruitment

Northampton

IT

Skills & Technologies

TypeScriptC#GoScalaReactASP.NETPostgreSQLRESTAIAgileUI

Inferred from job description

Salary Insight

£65,000

This role

£75,000

UK median

This salary is 13% below the UK median for Senior roles75,000/yr).

Based on 2024–2025 UK technology sector benchmarks

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