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Software Engineer III, JS/TS
OpenX
Remote
Website
LinkedIn
Software Engineer III, JS/TS
Poland
Full Time
2 weeks ago
$17,708 - $19,792 PLN
No Sponsorship
Apply Now
Key skills
JavaScript
Python
React
TypeScript
About this role
Role Overview
Design and build high-quality, maintainable user interfaces using JavaScript/TypeScript and React.
Develop and maintain Python-based backend APIs that support frontend workflows and product capabilities.
Translate business rules, pricing logic, and data dependencies into intuitive user experiences and reliable API integrations.
Own features end-to-end, from requirements and technical design through implementation, testing, rollout, and operational quality.
Write and maintain automated tests as part of the development process, including frontend and API-level tests where appropriate.
Collaborate closely with Product, UX, QA, and Engineering to deliver reliable product experiences for enterprise users.
Improve the usability, reliability, and maintainability of existing systems.
Contribute to technical direction, code quality, and engineering practices within the team.
Requirements
4+ years of professional software engineering experience.
Experience building web applications with JavaScript or TypeScript.
Hands-on experience with React and modern frontend architecture.
Solid understanding of component-based development, state management, API integration, and frontend performance.
Experience designing and developing REST APIs or contributing to backend services, preferably in Python.
Practical understanding of databases and backend data flows.
Commitment to software quality, including writing automated tests where appropriate.
Strong ownership mindset and ability to collaborate effectively with Product, UX, QA, and Engineering.
Communicative Polish and English languages.
Tech Stack
JavaScript
Python
React
TypeScript
Benefits
Annual performance bonus
Tax-deductible system due to copyright protection: 75%
Private health care for you and your family (covered by OpenX)
Private life and travel insurance
MultiKafeteria program
Training: access to the LinkedIn learning platform and Tech workshops
Holiday Allowance
Pension scheme (PPK from PZU)
Additional paid day off
Free parking lot
Access to peer to peer recognition platform
Monthly work-from-home allowance and one-time payment when you join us to help you set up your home office
We celebrate team members' important personal milestones (vouchers, gifts)
Apply Now
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Software Engineer III, JS/TS at OpenX | JobVerse