Hybrid

Zerofy is hiring a Senior Software Engineer (TypeScript, Node.js, Cloud, AI, Energy)

Responsibilities

  • Design and implement core backend systems using TypeScript and Node.js
  • Architect and build scalable, reliable cloud-native services
  • Own technical components end-to-end, from design to production
  • Build distributed, event-driven systems running on Google Cloud
  • Integrate external APIs from energy devices, EVs, and IoT systems
  • Work closely with our AI and algorithm systems powering optimization and forecasting
  • Make architectural decisions and improve system design, reliability, and performance
  • Mentor junior engineers and help raise the engineering bar of the team
  • Use modern AI coding tools extensively to accelerate development
  • Contribute to a culture of engineering craftsmanship and continuous improvement

Requirements

  • 5+ years of professional software engineering experience
  • Strong expertise in backend engineering using TypeScript and Node.js
  • Experience building cloud-native distributed systems
  • Strong engineering craftsmanship and attention to quality
  • Experience owning complex systems or components end-to-end
  • Ability to design systems and architecture, not just implement tasks
  • Experience mentoring engineers and contributing to a strong engineering culture
  • Ability to operate with a high degree of ownership and autonomy
  • Strong interest in modern engineering tools, including AI-assisted coding

Nice to Have

  • Experience with Google Cloud Platform, AWS, or similar
  • Experience with serverless architectures and event-driven systems
  • Experience integrating external APIs or hardware/IoT systems
  • Experience working on applied AI, data systems, or optimization systems
  • Experience using modern AI coding tools such as Claude, Cursor, or similar

Benefits

  • High degree of ownership and autonomy
  • Opportunity to shape the architecture and core systems
  • Work on meaningful problems with real-world climate impact
  • Small, highly capable, senior team
  • Extensive use of frontier AI tools in engineering workflows
  • Competitive salary and equity participation
  • Flexible remote / hybrid setup
  • Office in Tallinn, Estonia
  • 5 weeks vacation
  • Coworking support

Work Arrangement

Hybrid

Required Skills
GCPAWSCursor
About company
Zerofy
Zerofy builds the AI and cloud platform powering the electrified home. The system integrates solar, batteries, EV chargers, heat pumps, and dynamic tariffs into a single intelligent optimization layer to reduce household energy cost and help stabilize the grid.
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Job Details
Category backend
Posted 4 months ago