7 days ago
Sofia, BulgariaSenior
Responsibilities
- Build the web and desktop versions of the product in React.
- Write integration and end-to-end tests using MSW and Playwright to keep the UI and device interface synchronized.
- Modernize the React and build setup and help introduce feature flags, frequent deployments, and small frequent merges.
- Work beyond the UI by understanding device behavior, XML interfaces, Electron packaging, and real-controller debugging.
- Help shape product features and expand toward full-stack engineering.
- Use AI-assisted engineering practices while maintaining engineering rigor.
Requirements
- Strong frontend experience with React.
- Experience working in a real, non-trivial TypeScript codebase.
- Knowledge of React hooks, data fetching, state management, SWR or React Context, forms, and styled-components; Redux or similar experience is acceptable.
- Experience with integration-level API mocking using MSW and end-to-end testing using Playwright.
- Experience with feature flags or willingness to learn them.
- Working proficiency in English.
- Preferred qualifications include Electron, design systems, build tooling and monorepos, webpack, SWC, Rollup, pnpm, Nx, Azure Pipelines, and structured AI-assisted engineering experience.
Benefits
- Opportunity to grow into a full-stack skill set and work with a wide range of technologies across Danfoss products.
- Opportunity to learn the refrigeration domain in the context of IoT products.
- Hybrid work setup based at the office in Sofia.
Tech Stack
Categories
About Danfoss
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.