Java Full Stack Developer at Kolomolo delivering modern digital services in a hybrid role. Join an international team and work on high-impact systems in an enterprise environment.
Responsibilities
Designing, building, and maintaining application services and APIs using Java (Spring Boot)
Developing and enhancing data synchronization processes and system integrations
Extending and maintaining existing application components
Ensuring performance, scalability, and reliability of the system
Contributing to CI/CD pipelines and deployment processes
Writing and maintaining automated tests (unit and integration)
Collaborating across the application stack to deliver cohesive solutions
Requirements
3+ years of experience as a Full Stack Developer.
Strong proficiency in Java.
Experience with REST APIs and microservices architecture.
Experience with relational databases (e.g., PostgreSQL)
Familiarity with CI/CD pipelines (e.g., GitLab CI)
Experience with event-driven systems or messaging solutions.
Strong grasp of software design, scalability, and performance principles.
Experience with Node.js on the backend.
Experience with modern frontend frameworks (e.g., React).
Understanding of REST APIs and web services.
Familiarity with cloud environments (AWS preferred).
Experience working in Agile/Scrum teams.
Strong problem-solving skills and attention to detail.
Good communication skills in an international environment.
Benefits
Competitive salary and benefits.
Career development opportunities in a growing tech company.
Continuous learning culture: mentorship, internal training, and certifications.
Flexible, agile work environment (remote, hybrid, or on-site in Kraków).
Office perks: great coffee, tea, fresh fruit, snacks, and a fun atmosphere.
Flat management structure, where your voice matters.
Regular team events and a social, supportive work culture.
B2B contract or Contract of Mandate (Umowa Zlecenie).
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