Danfoss

Senior Full-Stack Engineer, Frontend-Focused

Danfoss
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6 days ago
Sofia, BulgariaSenior

Responsibilities

  • Build React microfrontends for the industrial IoT product.
  • Co-develop APIs used by the user interface with the backend engineer.
  • Use and contribute to the internal React-based design system.
  • Own features end to end and help shape frontend architecture decisions.
  • Improve the large frontend codebase consisting of multiple microfrontends.
  • Build and iterate on interfaces with the UX designer.
  • Work with integration and end-to-end test automation, CI pipelines, feature flags, and frequent deployments.
  • Use structured AI-assisted engineering practices and learn technologies needed for new product capabilities.

Requirements

  • Strong frontend or UI engineering experience with React.
  • Experience working in a substantial TypeScript codebase.
  • Knowledge of React and Redux.
  • Experience with microfrontends.
  • Experience with integration and end-to-end tests.
  • Experience using feature flags to ship work frequently.
  • API development experience, preferably with Go, TypeScript, or Java.
  • Preferred experience with design systems, styled-components, and SWC.
  • Willingness to learn IoT, event-driven architecture, PostgreSQL, message queues, data pipelines, Sparkplug B, and observability.
  • Experience with structured AI-assisted engineering beyond prompting.
  • Working proficiency in English.

Benefits

  • Small-team environment where individual decisions have tangible impact.
  • Opportunity to learn the industrial refrigeration domain through IoT products.
  • Hybrid work setup based at the company's office in Sofia.
Danfoss

About Danfoss

10,000+ employees

Danfoss designs and manufactures components and systems for refrigeration, HVAC, motor control, power conversion, hydraulics, and district energy used by OEMs, builders, and utilities. The family-owned company, founded in 1933 and headquartered in Nordborg, Denmark, sells compressors, valves, sensors, drives, and power solutions worldwide. Its products support electrification and energy efficiency across industrial machinery, automotive and marine equipment, and city heating and cooling infrastructure.

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