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Fullstack Java Developer

Fullstack Java Developer

Sii Sp. z o.o.Łódź, łódzkie, Polska
30+ days ago
Job description

Fullstack Java Developer

Miejsce pracy : Łódź

Technologies we use

Expected

  • React.js
  • Vue.js
  • Java
  • NoSQL
  • HTML

Optional

  • Kotlin

    • About the project

    At Sii, we create an environment where experienced professionals thrive! Recognized as a "Great Place to Work," we offer opportunities for continuous growth and collaboration with a team of senior developers. Enjoy the flexibility of 100% remote work while refining your skills and tackling exciting challenges.

    In this project, you'll work on a cutting-edge solution that enables users to integrate messaging features across popular platforms like WhatsApp, Messenger, and Viber. Your work will simplify the onboarding process, allowing users to start using these tools in less than five minutes. You'll build and optimize a high-performance system that handles large volumes of messages, ensuring seamless communication across regions and platforms.

    We're looking for developers with senior-level experience in Java and Vue.js or React.js, as well as a solid background in cloud technologies, ideally AWS.

    If you're ready to take on complex challenges and contribute to a solution that could impact millions—including yourself—join us at Sii! Apply today and take the next step in your career—whether on this project or one of many others!

    Your responsibilities

  • Designing and implementing Micro-Frontend architectures to ensure modular, scalable, and efficient solutions across the messaging platform
  • Developing APIs and backend services, ensuring seamless integration and high-performance communication between system components and third-party platforms
  • Optimizing both the frontend and backend to enhance performance, improve system reliability, and deliver a better user experience
  • Ensuring the quality and stability of deployed services through comprehensive testing, debugging, and maintaining clear documentation for future support
  • Improving customer experience by collaborating with Product Managers, UX teams, and other stakeholders to optimize the dashboard and developer experience in a fully remote, globally distributed team

    • Our requirements

  • At least 5 years of experience with Java, Vue.js, React.js, and microservices
  • Strong experience with AWS or other cloud platforms
  • Good knowledge of relational and NoSQL databases
  • Experience with unit testing (JUnit) and writing reliable code
  • Solid understanding of HTML and CSS3, and creating responsive interfaces
  • Fluent in English, with the ability to work in a remote team across different locations

    • What we offer

  • 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

    • Recruitment stages

  • Send your CV
  • Talk to us about your expectations
  • Learn more about our projects and choose the best
  • Start your adventure with Sii!

    • Sii Sp. z o.o.

    Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

    The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment. In a survey, as many as 90% of our employees responded that Sii is a great place to work, and 95% of them think we have a great atmosphere here.

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    Fullstack Developer Java • Łódź, łódzkie, Polska