Ivan Marozau
Skills
Timeline
Professional experience for Ivan Marozau
- Current 3 years and 9 months, since Feb 2023
Java Developer
Asseco Central Europe
- Developed and maintained multiple Java-based microservices for a complex enterprise platform, with a strong focus on scalability, encryption, and performance. - Optimized slow-performing endpoints for user investment data, reducing database query time by up to 50%. - Standardized reusable API logic, improving consistency and reducing integration time. - Acted as the only backend developer in the team, driving technical decisions and mentoring one junior developer.
- 7 months, May 2022 - Nov 2022
Backend Developer
RegioJet a.s.
- Maintained and extended a legacy Spring-based web application for booking multi-modal transport tickets. - Refactored payment system logic by replacing hardcoded values with dynamic data stored in PostgreSQL. - Followed strict code review guidelines: submitted changes as one commit per task and passed double code review. - Resolved approximately 10 incidents and bugs weekly, contributing to system stability and maintainability.
Educational background for Ivan Marozau
- 2020 - 2024
Systems Engineering and Informatics
Mendel University Brno
Languages
Russian
C2 (Expert / native speaker)
Czech
C1 (Fluent)
English
C1 (Fluent)
German
A1-A2 (Basic)
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