Java&Kotlin Developer

• 130-160 zł/h net+VAT/h on B2B contract via Devire.
• 100% remote work model.
• Benefits: Multisport Card, private medical care, life insurance.
• Flexible working hours, Polish time zone.

• Minimum 5 years of experience in Kotlin and Java application development.
• Experience and knowledge of: Spring Framework, SQL, AWS, Git, Kubernetes.
• Experience with and/or knowledge of Java web application performance.
• Strong understanding of testing and quality assurance processes.
• An interest in working with the Apple Mac OS X and iOS platforms.
• Strong communication, analytical, and listening skills.
• Ability to interact effectively with co-workers in a results-driven culture.
• Strong English language skills.

Responsibilities

• Rebuild and optimize parts of a large-scale educational platform to ensure better scalability and performance.
• Participate in the re-architecture of existing modules to handle increased system load and usage.
• Work in a collaborative development team based in Poland, with regular remote communication with international colleagues.
• Design and implement new features and enhancements based on business and user needs.
• Break down complex technical challenges into executable development tasks.
• Write clean, maintainable, and efficient Kotlin and Java code.
• Take ownership of assigned tasks from design through implementation, testing, and deployment. 
• Collaborate with product owners, engineers, and other stakeholders to ensure alignment on goals and priorities.
• Communicate effectively across technical and non-technical teams.
• Follow modern development practices, including code reviews, automated testing, CI/CD, and cloud-native development.