Senior Java Developer

Project info: The Reservation Management team focuses on designing, developing, and maintaining a variety of Order services running on open systems. The team is responsible for Order data distribution to internal and external customers, hosting multiple Order management services, and building an Order data store based on a modern, scalable, microservice-based, cloud-oriented architecture. We use the latest technologies and best engineering practices to handle a high volume of transactions supporting millions of traveling passengers daily. The team operates globally, with the main decision‑driving group located in Kraków, and follows mature Scrum processes. Due to the dynamic growth of the team, we are currently looking for a candidate to join us in the role of Senior Software Engineer. Responsibilities: • Develop, code, test, and debug new complex software solutions or enhancements to existing products • Design, plan, develop, and improve applications using both routine and advanced technologies • Work on complex issues requiring in-depth analysis of organizational objectives; implement strategic policies when selecting methods and techniques • Promote high coding standards, best practices, and high-quality deliverables • Collaborate regularly with supervisors, architects, product managers, and HR on project-related and team performance topics; influence decision-making in sensitive situations without damaging relationships • Provide technical mentorship and competency-based guidance to development teams • Share broader business and product context; mentor others on specific tech stacks and technologies • Assist in the development of software technical documentation Requirements: Technical Expertise: • Advanced programming and solution design skills with deep knowledge of the Java ecosystem • Strong experience in advanced backend development and solution design • Solid understanding of computer science fundamentals, including algorithms, data structures, and computational complexity • Strong knowledge of cloud technologies, particularly Google Cloud Platform (GCP) and related services • Familiarity with CI/CD pipelines, containerization technologies (e.g., Docker, Kubernetes), and cloud‑native development Communication & Personal Attributes: • Excellent problem-solving and analytical skills • Proficient English (written and spoken) • Self-disciplined and results-oriented mindset • Passion for continuous learning and keeping up to date with industry trends Education & Experience: • Minimum 5 years of relevant professional experience • Degree in Computer Science or a related field, or equivalent certifications • Experience working in a fast-paced, Agile software development environment Must possess a legal work permit in Poland Benefits: General benefits - depends on the form of employment • Hybrid working model – 3 selected days per week working from the office • Flexible working hours, supporting a healthy work-life balance • Attractively located office with collaboration spaces • Referral program with financial bonus • Life Insurance • Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment • Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: • Access to MyBenefit platform (Multisport included) • Team Building activities • Charity initiatives • Working environment promoting diversity and inclusion Health benefits: • Private medical care - Platinum Package