Białystok, Białystok, Podlaskie Voivodeship, Polska
Sii Sp. z o.o.
19. 7. 2025
Informacje o stanowisku
technologies-expected :
JavaScript
TypeScript
C++
about-project :
Are you excited to create intuitive user interfaces for products trusted by millions worldwide? We’re partnering with a global leader in cloud communications, renowned for delivering real-time video, voice, and messaging solutions that power many popular platforms you likely use daily. We’re looking for a Senior Fullstack Developer with strong Node.js skills and a genuine passion for low-level programming.
Ready to contribute to a product making a global impact? Let’s connect. Apply now and take your next big career leap.
responsibilities :
Develop front-end components for complex, real-time applications with a focus on scalability and performance
Work closely with designers and backend teams to build intuitive and efficient user interfaces
Implement and follow best coding practices to ensure maintainable and up-to-date code
Collaborate with team members to share knowledge and improve development processes
Participate in technical discussions and help make informed decisions to enhance system architecture
requirements-expected :
Minimum 5 years of professional experience in front-end or fullstack development, with strong skills in modern JavaScript and TypeScript
Good knowledge of C++ or professional experience in the telecommunications industry, demonstrating familiarity with low-level programming concepts and system internals
Proven experience with modern front-end frameworks
Solid understanding of responsive design principles and performance optimization techniques
Strong collaboration and communication skills, with the ability to support and mentor team members
Residing in Poland required
offered :
Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People