About this position
At OneSimplicity, we’re on a mission to turn cities into AI-powered hubs that enrich the experience of residents and travelers. As a Frontend Developer, you’ll be part of the core engineering team responsible for delivering beautiful, fast, and scalable user interfaces across web and mobile. You’ll work closely with designers, product managers, and backend engineers to build products that impact people globally.
Responsibilities
Develop and maintain high-quality React and React Native applications.
Write clean, maintainable, and scalable TypeScript/JavaScript code.
Collaborate with UI/UX designers to bring designs to life in pixel-perfect interfaces.
Optimize performance, accessibility, and responsiveness across browsers and devices.
Integrate with backend APIs and manage state efficiently (Redux, Zustand, Recoil, etc.).
Debug, troubleshoot, and improve frontend applications to ensure high-quality standards.
Contribute to CI/CD, testing, and deployment workflows.
Qualifications
2+ years of experience in frontend development.
Strong proficiency with React, React Native, and TypeScript/JavaScript.
Experience with state management libraries (Redux, Zustand, Recoil).
Familiarity with RESTful APIs and backend integrations.
Solid understanding of performance optimization and responsive design.
Experience with CI/CD pipelines and automated testing is a plus.
English at upper-intermediate (B2) or higher; Slovak proficiency is also valued.
Education in Computer Science, IT, or equivalent practical experience.