Frontend Engineer

Salary: 18,500–21,700 PLN gross/month Location: Warsaw, Poland (Hybrid – 2 days/week in the office) Full-time ☑️ Employment contract via Employer of Record We're looking for a Mid Frontend Engineer for a software company whose platform lets professionals design real-world physical systems in an interactive, browser-based 3D environment. You'd join the team that owns the core of the product: the design surface where users model actual sites in a 3D canvas, backed by CAD tooling and a data model that keeps designs accurate to the physical world. Working stack: TypeScript, JavaScript, React, GraphQL, three.Js, PostgreSQL, Ruby on Rails, and Python. You'll join a collaborative engineering team building intuitive, high-performance user experiences for a technically complex product, while working closely with Product, Design, and Backend Engineering teams. Requirements Minimum 3 years of commercial software engineering experience Strong experience with JavaScript, TypeScript, and React Experience building modern component-based frontend applications Experience integrating frontend applications with backend APIs Understanding of software engineering best practices, including testing, maintainable code, and code reviews Ability to own features from technical design through implementation and production Familiarity with backend systems and willingness to contribute beyond the frontend when needed Strong communication and collaboration skills Professional proficiency in English (B2/C1) Nice to Have Experience with Ruby on Rails or Python GraphQL in production three.Js or another 3D graphics library Experience with Playwright or similar automated testing frameworks Experience working in hybrid or distributed engineering teams Exposure to CAD or graphics-intensive applications Responsibilities Build modern, scalable frontend applications using React, TypeScript, and JavaScript Deliver intuitive user experiences for a complex web platform Own features end-to-end, from technical design through implementation, testing, deployment, and production support Collaborate closely with Product Managers, Designers, and Engineers to deliver impactful product features Integrate frontend applications with backend services and APIs Write clean, maintainable, and well-tested code Participate in code reviews, technical discussions, and architecture improvements Help improve frontend engineering practices, tooling, and application reliability Contribute to backend development when needed as part of a collaborative full-stack engineering environment