Java Developer (f/m/x)

Miejsce pracy: Suwałki

Technologies we use

Expected

Java
Spring Boot
Apache Kafka
AWS
Microsoft Azure
Google Cloud Platform

Optional

Kubernetes

About the project

Sii is a place where experienced Java Developers work on projects with a global reach, utilizing modern technologies, microservices architecture, and cloud and AI solutions. Our Digital Competence Centre comprises over 1,500 experts who develop enterprise solutions for sectors including finance, telecoms, e-commerce, manufacturing, retail, and healthcare.

If you’re looking for a stable environment, projects with a real impact, and opportunities for continuous development, you’ll find a place for yourself at Sii.

Your responsibilities

Developing and maintaining backend services using Java and Spring Boot
Troubleshooting and resolving issues in existing applications
Preparing technical documentation
Optimizing application performance and ensuring code quality
Creating technical documentation for developed functionalities
Ensuring key functionalities are covered with unit and integration tests
Contributing innovative ideas to the team while continuously expanding your technical knowledge

Our requirements

Minimum 5 years of commercial experience in Java programming
Experience with Hibernate, Spring, REST API, Microservices, and Web Services
Proficiency in message queues, including Kafka
Hands-on experience with cloud solutions, AWS, Azure, or GCP
Experience with unit and integration testing, Spock or JUnit
Experience with cloud orchestration tools such as Docker, Kubernetes
Proficiency with relational and non-relational databases
Good command of English and Polish, both spoken and written
Residing in Poland required

Optional

Familiarity with front-end technologies, e.g., Angular, React
Familiarity with AI/LLM tools to accelerate coding, refactoring, and bug fixing, e.g., Copilot, Cursor
Preferred candidates from Białystok

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 7 300 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.

Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.