Providing technical direction for project development and recommending optimal technological solutions
Making decisions supporting system quality, stability, and scalability
Designing and implementing new functionalities using Java 21
Developing domain architecture and integrating systems within a complex technological environment
Designing asynchronous communication (events and commands) for queue systems such as Artemis
Ensuring reliable inter-service communication and integration consistency
Data modeling and development based on SQL databases
Maintaining code quality through automated tests (JUnit, BDD, TestFX)
Creating and updating technical documentation for modules, APIs, and integration processes
Requirements
Minimum 5 years of commercial experience in Java development
Strong knowledge of Java ecosystem (JDK 21+) and Spring Boot
Experience in system architecture design and making key technological decisions in complex environments
Practical knowledge of design patterns, DDD, and hexagonal architecture
Experience in synchronous and asynchronous integration
Active participation in code reviews and focus on quality, maintainability, and security
Practical knowledge of SQL, Maven, Docker, JUnit, TestFX
Understanding of performance, scalability, and security aspects
Polish and English proficiency enabling technical communication
Offer
B2B contract
Access to offices in Poznań and Warsaw
Benefits package including MultiSport card, private medical care (LuxMed), and group insurance (Uniqa)
Discounts for Maczfit and Samsung stores
Option to purchase or lease a car on preferential terms
Real impact on technologies used daily by millions of users
Collaboration with experts from various fields
Opportunity to test innovative solutions
Green Hive Technology
Green Hive Technology is a software house that is part of the Żabka Group, focusing on creating digital solutions to drive the growth of one of Poland's largest convenience ecosystems. The company's main project is Żappka, an application that integrates shopping, payments, promotions, meals, mobile services, and more, connecting brands like Maczfit, Dietly, Jush, delio, and Żabka Nano. Green Hive Technology operates with agile methodologies in interdisciplinary teams, emphasizing diversity as a source of the best ideas. The company is committed to innovation and collaboration, fostering a supportive and inclusive work environment where ideas are valued and have a significant impact. Green Hive Technology is based in Poznań, Poland, and is known for its focus on technology that makes a difference in everyday life.