Golang Developer
Sii Sp. z o.o.Kraków, Lesser Poland, Poland30+ days ago
Job descriptionJoin our team supporting a global leader in cloud communications – a company behind the technologies powering voice, video, and messaging experiences used by millions of people worldwide. As part of this long-term collaboration, you’ll contribute to building modern, scalable backend systems that are key to real-time communication at a global scale. We're looking for a skilled Backend Developer who is confident with Golang and Java (or Kotlin), passionate about clean code, and comfortable working in cloud-native environments. Ready for your next big challenge? Apply now and be part of something that truly connects the world. Develop scalable, resilient microservices in Go and Java / Kotlin to support high-traffic systems Contribute to system design, architecture decisions, and performance improvements Write and maintain high-quality tests (unit, integration, E2E) to ensure reliability and maintainability Collaborate in code reviews, share best practices, and support team knowledge sharing through documentation Participate in CI / CD workflows and deploy your code using modern tools like Docker, Helm, and Kubernetes At least 5 years of experience in backend development with Go and Java or Kotlin Solid understanding of object-oriented programming, design patterns, and multi-threaded systems Hands-on experience with cloud platforms (AWS preferred), microservices, SQL / NoSQL databases, and RESTful APIs Familiarity with event-driven architecture and modern deployment pipelines Excellent English communication skills (at least B2 level), both spoken and written Residing in Poland required 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 76M 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
technologies-expected :
- Go
- Java
- Kotlin
- SQL
- NoSQL
about-project :
responsibilities :
requirements-expected :
offered :
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Golang Developer • Kraków, Lesser Poland, Poland
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