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Senior Engineer, Full Stack / Backend (serverless)

RemoteTallinn, Harjumaa, EstoniaProduct

Job description

Zerofy is building an energy management platform and app for the electrified home - think of an autopilot for energy management. It's cloud-based, leverages AI, and has best-in-class UX.

We are looking for a Senior Engineer to lead our backend development as part of our small and powerful remote-first team.

We’re an early-stage startup with a big mission. We are an experienced team with significant expertise both in technology and renewable energy with companies such as Apple, Meta, ABB, etc. If you are looking to join an early-stage, impactful product company in climate tech, this is for you!


What you’ll do:

You’ll be driving our server-side app development and in some cases full-stack development

  • Lead engineering efforts for the (serverless) backend

  • Leveraging Firebase / Google Cloud infrastructure

  • Write serverless code (e.g. Firebase functions or Google Cloud functions) using mainly JavaScript/Node

  • Architect server-side data models and processing pipelines

  • Deployment and monitoring of systems

  • Drive and ensure quality and performance of the backend

  • Leverage machine learning services and maybe implement simpler machine learning algorithms or pipelines

  • Cooperate with our mobile engineers, data scientist, and product leadership

What we offer:

  • Work from anywhere with a fully remote team with a current presence in Germany, Estonia, Switzerland, Poland the US/Canada, and Ukraine. (Preferred main location for this position: Estonia).

  • An impactful project and a lot of responsibility

  • No overhead

  • The possibility to grow and shape something from the ground up

  • Equity participation

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

Job requirements

What we’re looking for:

We’re looking for a versatile and experienced engineer, who as collected expertise in the following areas:


  • 5+ years of experience as a backend or full-stack engineer

  • Excellent coding skills in JavaScript/TypeScript and Node. Experience with Python is a plus.

  • Experience with serverless architectures

  • Excellent architecture and data modeling skills

  • Experience with Firebase as a mobile backend is a plus

  • Diligence and craftsmanship

  • User-focused thinking 

  • Analytical and data-driven mindset

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

  • Experience with Flutter is a plus (but not mandatory)

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