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 AP
• IsUnderstanding 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 productionthree.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 Java
• Script
• 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 AP
• IsWrite 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