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Fullstack Java Developer

Sii Sp. z o.o.Kraków, Lesser Poland, Poland

30+ days ago

Job description

technologies-expected :

React.js
Vue.js
Java
NoSQL
HTML

technologies-optional :

Kotlin

about-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!

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

requirements-expected :

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

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

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Fullstack Developer Java • Kraków, Lesser Poland, Poland

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