Senior Backend Developer

We're looking for a talented Senior Backend Developer to join a purpose-driven tech team that creates solutions making a real difference in people's lives. This is more than just a job-it's a chance to shape systems that support individuals and organisations across the UK and Ireland.

The Role

As a Senior Backend Developer, you'll be a founding member of a newly formed cross-functional engineering team. You'll play a key role in setting the tone for the team's culture, practices, and success. Your technical expertise will shape our architecture and support business-critical applications.

This is a highly collaborative role suited to someone with a passion for software craftsmanship, mentoring, and continuous improvement.

Key Responsibilities

Enhance features and functionality of core products
Design and implement scalable backend systems using C# (.NET 6+ preferred)
Build cloud-native solutions using Azure, including Azure Functions (serverless)
Work with schema-less databases such as Cosmos DB
Write clean, maintainable, and testable code using TDD/BDD principles
Create and maintain RESTful and GraphQL APIs
Collaborate with Product Owners, Business Analysts, and stakeholders to define solutions
Mentor junior developers and promote engineering best practices
Drive improvements in development processes, CI/CD pipelines, and tooling
Investigate and resolve production issues
Ensure observability through logging, metrics, and diagnostics
Contribute to event-driven architecture and distributed systems design

What You Bring

5+ years of backend development experience
Expertise in C#, .NET (preferably .NET 6+), and SQL Server
Experience with Azure services, including Azure Functions and serverless architecture
Knowledge of schema-less databases such as Cosmos DB or similar
Solid understanding of SOLID principles, OOP, and event-driven architecture
Proficiency in Git, Unit Testing frameworks (e.g., NUnit), and API development
Familiarity with CI/CD pipelines and agile methodologies
Strong communication, problem-solving, and mentoring skills
A mindset of continuous learning and a drive to grow within a dynamic, evolving team

Bonus Points

Experience in payroll systems
Background in fintech or financial services
Exposure to containerisation technologies such as Docker or Kubernetes

Why Join?

This is an incredible opportunity to make your mark in a company that prioritises purpose, innovation, and professional growth. You'll be part of a team where your ideas are welcomed, your development is encouraged, and your work truly matters.

Ready to build something that helps others and builds your career in the process? Apply today.

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