Hello!
We are looking for a Senior Frontend Developer to join our tech team and play a key role in enhancing our product and elevating the user experience.
Work format: Possibility to work fully remotely or from our offices in Warsaw or Kyiv
About us:
- We are a mobile and web application (www.ohayu.com) that enables easy and fast purchases of mobile data packages in any country in the world, leveraging eSIM technology;
- Our product allows seamless use of internet services while traveling at rates much lower than roaming and without having to search for local operators or purchase physical SIM cards.
Your tasks:
- Take ownership of the overall frontend architecture and scalability;
- Collaborate closely with the design team to translate Figma designs into high-quality, responsive user interfaces;
- Optimize website performance, speed, and accessibility across devices and browsers;
- Implement fast, iterative changes to support A/B testing and continuous UX improvement;
- Mentor and support other frontend developers, conducting code reviews and sharing knowledge.
About you:
- 7+ years of JavaScript experience;
- 5+ years of React experience;
- 4+ years of Next.js experience;
- 3+ years of Typescript experience
- Strong proficiency with the Vite ecosystem and modern build tools;
- Great knowledge of Crash Analysis Tools and Production Management;
- Independence at work, full ownership of tasks, mentoring and brainstorming skills;
- At least intermediate English level (all work communication in English).
Nice to have:
- Familiarity with styled-components or other CSS-in-JS libraries.
Why to join us:
- Building product-driven application with a strong emphasis on UX/UI;
- Startup environment, where your ideas are valued, and you have the freedom to innovate and take full ownership;
- Be part of a groundbreaking venture in the rapidly evolving field of eSIM technology, shaping the future of connectivity and mobile devices.
Join us in reshaping the future of connectivity.
Top Skills
What We Do
Genesis is a co-founding company that builds global tech businesses together with outstanding entrepreneurs from CEE. We're one of the largest global app developers. Apps of Genesis companies have been downloaded by more than 400 mn users globally and are used by tens of millions of users monthly. Genesis has co-founded now independent tech companies such as Jiji, BetterMe, Headway. We've launched and are currently developing successful projects such as OBRIO, Universe, AMO, Boosters, and others in our ecosystem. We have one of the best tech teams in Europe. As a result, we're constantly recognized as top IT employees in CEE and Ukraine.
