Full Stack Engineer

A growing UK SaaS technology company in the energy sector is looking for an experienced Senior Full-Stack Engineer to join their engineering team. Their platform supports dozens of energy suppliers and over a thousand brokers across the UK, helping streamline and modernise the energy marketplace.

This is a great opportunity to join a high-impact engineering team where you’ll play a key role in building scalable cloud-based products while helping maintain strong clean code and architecture standards.

The Role

You’ll work across the full stack with a backend focus, building and maintaining scalable services and applications using modern Microsoft technologies and cloud infrastructure.

Key responsibilities include:

• Designing and developing applications using C#, .NET Core, SQL Server, and Azure
• Building REST and GraphQL APIs
• Contributing to the frontend using Angular and TypeScript
• Implementing clean architecture and high coding standards
• Developing scalable, testable services and integrations
• Working in a DevOps environment with CI/CD automation
• Collaborating closely with engineering, product, and QA teams
• Supporting observability, testing, and performance optimisation

What We’re Looking For

• 6+ years’ experience in full-stack software engineering
• Strong expertise in C# and .NET Core (backend-led role)
• Experience building RESTful or GraphQL APIs
• Experience deploying applications to Microsoft Azure
• Experience with CI/CD pipelines (Azure DevOps or similar)
• Knowledge of Angular or similar modern frontend frameworks
• Experience with automated testing and modern development practices
• Strong understanding of clean code and scalable architecture

Nice to Have

• Experience with event-driven architectures or Kafka
• Exposure to microservices or monorepos
• Knowledge of security-by-design or ISO-aligned environments

Does this sound like you? Apply now and I'll be in touch to discuss the role in further detail.

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