Talent.com
This job offer is not available in your country.
Junior Fullstack Developer – VoIP SDK

Junior Fullstack Developer – VoIP SDK

Sii Sp. z o.o.Wrocław, Lower Silesia, Poland
13 days ago
Job description

technologies-expected :

  • JavaScript
  • TypeScript

about-project :

  • Are you passionate about web development and eager to shape the future of real-time communication?
  • Join Sii to build and maintain high-performance TypeScript VoIP SDKs that power seamless audio-video experiences from browser to backend. Working in a tight, experienced team, you will modernise legacy code, design new features with Vue 3 and Node.js, and tackle tough debugging challenges. Our knowledge-sharing culture, modern tooling, and clear growth paths will keep you learning every day. This is a hybrid role based in Wrocław, combining mostly remote work with 1–2 office days for face-to-face collaboration.
  • Ready to code what connects the world? Apply now and let’s grow together!

    • responsibilities :

  • Maintain and modernize an existing TypeScript codebase for VoIP SDKs
  • Design, develop, and test scalable features across the web stack (frontend and backend)
  • Contribute to defining and improving development standards and best practices
  • Support effort estimation and participate in sprint planning and reviews
  • Assist in release preparation and technical documentation of developed features

    • requirements-expected :

  • Expected 2 years of professional experience in web development using JavaScript and TypeScript
  • Practical experience with modern frontend frameworks (Vue.js, React, or Angular) and familiarity with backend technologies like Node.js
  • Exposure to WebRTC, SIP, or other VoIP technologies, with a willingness to deepen expertise in this area
  • Proactive, curious mindset with strong collaboration skills and a desire to grow in a full-stack role
  • English language skills at a minimum B2 level, enabling effective communication in an international team
  • Fluent Polish required
  • 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
    • Create a job alert for this search

    Fullstack Developer • Wrocław, Lower Silesia, Poland