Frontend Engineer - Real-Time ATC Interfaces (Flexible Hours)

Tern Systems; Warszawa; On-site; PLN 167,000 - 246,000; Full time

Job summary

Tern Systems is recruiting a Software Engineer to design and maintain web-based operator interfaces for mission-critical Air Traffic Control systems. You will develop high-quality frontend code in TypeScript and React, collaborate across disciplines, and contribute to a safety-focused, reliable production stack.

Responsibilities include building responsive UIs, implementing features, writing tests, and helping improve development processes.

Qualifications

• Bachelor's degree in Software Engineering, Computer Science, or a related field.
• Experience building production web frontends with TypeScript and React.

Responsibilities

• Design, develop, and maintain safety-critical software solutions.
• Collaborate with cross-functional teams to define requirements and deliver features.
• Build responsive, high-performance user interfaces and reusable components for real-time operational displays.
• Write clean, maintainable, and well-documented code.
• Review code and contribute to shared engineering standards and best practices.
• Test, debug, and improve software throughout the development lifecycle.
• Support deployment, monitoring, and ongoing improvement of production systems.
• Assist with writing operational and technical documentation.

Skills

TypeScript

React

Automated tests

CI/CD

Cross-functional teamwork

Education

Bachelor's degree in Software Engineering/CS

University degree in related field

Tools

Jenkins

GitLab

Vite

Webpack

Redux Toolkit

Playwright

Job description

Tern Systems is recruiting a Software Engineer to design and maintain web-based operator interfaces for mission-critical Air Traffic Control systems. You will develop high-quality frontend code in TypeScript and React, collaborate across disciplines, and contribute to a safety-focused, reliable production stack.

Responsibilities include building responsive UIs, implementing features, writing tests, and helping improve development processes.