Senior Back-End Engineer

Posted 05 March 2026
LocationUnited Kingdom
Job type Contract
Discipline Energy & UtilitiesTechnology

Job description

Senior Backend Engineer – Leading Energy Company (Contract)

Remote (UK) | 6-Month Rolling Contract | Inside IR35

A leading energy company is looking for a Senior Backend Engineer to join a leading energy company on an urgent contract requirement. This role will focus on building and improving event-driven backend systems that support critical payment and billing services used by millions of customers.

This is an excellent opportunity to work on large-scale distributed systems in a modern AWS serverless environment.


Key Responsibilities

  • Design, build, and maintain scalable backend services for payments and collections systems

  • Develop event-driven architectures and services in a cloud-native environment

  • Work closely with engineering teams to improve system reliability, performance, and scalability

  • Contribute to architecture decisions and engineering best practices

  • Support CI/CD and infrastructure automation across the platform

Required Experience

  • 10+ years of software engineering experience, with at least 5 years at Senior Engineer level

  • Strong backend engineering expertise

  • Proven experience working with event-driven systems and architectures (minimum 3 years)

  • Experience building cloud-native applications on AWS

Must have experience in the following technologies:

  • AWS Serverless – Lambda, EventBridge, DynamoDB

  • TypeScript

  • Terraform (Infrastructure as Code)

  • GitHub Actions (CI/CD)


If this sounds like an opportunity that you are interested in - apply now for immediate review!