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Junior Backend Engineer (serverless)

  • Remote, Hybrid
    • Tallinn, Harjumaa, Estonia

Job description

About Zerofy

At Zerofy, we empower households to decarbonize through electrification of energy and transportation. Our cloud-based home energy management platform integrates with electric vehicles, solar systems, smart appliances, heat pumps, and more. Leveraging algorithms and AI, our platform monitors electricity usage and production, helping users save on energy costs and reduce CO2 emissions.

The Role

We are seeking an entry level Junior Backend Engineer to join our dynamic and skilled remote-first team. You’ll play a key role in developing our backend systems, ensuring they are robust, efficient, and scalable.

Who We Are

We are a small team but we have extensive experience in both technology and renewable energy sectors, having worked with leading companies such as Apple, Meta, and ABB. If you’re eager to join an early-stage, impactful company in the climate tech space, Zerofy is the place for you!

Why Join Us?

  • Impact: Be part of a mission-driven company focused on combating climate change.

  • Innovation: Work with cutting-edge technology in a fast-paced environment.

  • Expert Team: Collaborate with a team of seasoned professionals from top-tier tech and energy companies.


What you’ll do:

You’ll contribute to the server-side of our app, which features a serverless architecture using Node.js and running on Google Cloud Platform.

  • Integrate energy devices via their cloud APIs into our platform (Electric Vehicles, chargers, solar inverters, home batteries, appliances and more)

  • Write serverless code (i.e. Google Cloud Functions) using Node.js & JavaScript

  • Participate in code reviews to improve the quality of our code

  • Work with our mobile engineers and data scientists to implement new features

Job requirements

What we’re looking for:

We’re looking for an entry-level engineer, who has experience in the following areas:


  • 1+ years of experience as a backend or full-stack engineer with Node.js experience

  • Good coding skills in JavaScript/TypeScript

  • Good understanding of REST APIs

  • Able to collaborate well with others and can communicate effectively while working remotely

  • Interest in energy devices and smart home APIs

  • Proactive “can-do” attitude and a desire to ship new features quickly

  • Self-reliant

  • Diligence and craftsmanship

  • Analytical and data-driven mindset

  • Prior experience with serverless concepts is a plus (but not mandatory)

  • Prior experience with IOT APIs is a plus (but not mandatory)

  • Prior experience with basic machine learning is a plus (but not mandatory)


What we offer:

  • Work from anywhere in a fully-remote team with a current presence in Estonia, Switzerland, Germany, Canada and Ukraine. (Preferred location for this position is Estonia).

  • An impactful project and immediate responsibility

  • No overhead

  • Equity participation

  • Perks & Benefits: 5 weeks of vacation, coworking space contribution, etc.

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