Software Engineer

Company: Kaluza
Apply for the Software Engineer
Location: London
Job Description:

Overview

In this Backend Engineer role you will build and maintain scalable backend services using modern technologies. You will work within Kaluza’s Engineering team to develop customer-facing features and contribute to cloud-based, event-driven systems. You’ll collaborate with product managers, designers, and other engineers to solve real energy and grid-related problems. You will grow technically through code reviews, learning AWS and related tools, while helping shape a high-performance, cross-functional engineering culture.

Pay / Benefits

  • Pension Scheme
  • Discretionary Bonus Scheme
  • Private Medical Insurance + Virtual GP
  • 26 days holiday
  • Personal Learning Budget
  • Home Office Budget

Responsibilities

  • Build and maintain backend services using TypeScript and Node.js
  • Work with event-driven systems and cloud platforms (AWS)
  • Collaborate with engineers, product managers, and designers to develop features
  • Write clean, maintainable code and participate in code reviews
  • Contribute to ongoing development of services and systems with team support
  • Work with SQL or NoSQL databases to manage and retrieve data
  • Participate in stand-ups and planning to understand building at scale
  • Ask questions, seek feedback, and share learnings to support the team environment

Key requirements

  • Some hands-on experience writing backend code, ideally in TypeScript, or eagerness to learn
  • Basic understanding of cloud technologies or interest in AWS
  • Familiarity with databases and APIs, and desire to build reliable software
  • Collaborative and open mindset with a proactive attitude
  • Passion for building technology that solves real problems for users
  • Collaborative
  • Curious
  • Proactive
  • TypeScript
  • Node.js
  • AWS

…

Posted: September 25th, 2026