A fast-growing UK SaaS company in the energy sector is looking for a Senior Full-Stack Engineer to join their engineering team. Their platform powers a large network of suppliers and brokers across the UK, helping modernise and simplify the energy marketplace.
This is a great opportunity to join a high-impact team where you’ll help build scalable cloud-based products, shape technical standards, and champion clean, maintainable architecture.
The Role
You’ll work across the full stack with a strong backend focus, building scalable services and applications using modern Microsoft technologies and cloud infrastructure.
Key Responsibilities
* Design and build applications using C#, .NET Core, SQL Server, and Azure
* Develop REST and GraphQL APIs
* Contribute to the frontend with Angular and TypeScript
* Maintain clean architecture and high coding standards
* Build scalable, testable services and integrations
* Work within a DevOps environment with CI/CD automation
* Collaborate closely with engineering, product, and QA teams
* Support 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-focused)
* Experience building REST or GraphQL APIs
* Experience deploying applications to Microsoft Azure
* Familiarity with CI/CD pipelines (Azure DevOps or similar)
* Experience with Angular or similar modern frontend frameworks
* Strong understanding of clean code, testing, 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
Interested? Apply now and I will be in touch to discuss the role in further detail.
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