Golang Developer

Golang Developer

Miejsce pracy: Toruń

Technologies we use

Expected

- Go
- Java
- Kotlin
- SQL
- NoSQL

About the project

Join 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.

Your responsibilities

- 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

Our requirements

- 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

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 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

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.