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