Bob Master

Senior Java Backend Engineer with 7+ years of commercial experience building scalable backend systems and microservices using Java and Spring ecosystem technologies. Strong expertise in Spring Boot, Hibernate/JPA, REST APIs, PostgreSQL, Docker, and distributed systems. Experienced in designing reliable backend solutions, optimizing performance, improving system maintainability, and collaborating closely with cross-functional teams.

Hands-on experience with CI/CD, AWS, Kafka, and modern backend development practices.

Senior Software Engineer at Booking Platform

Duration: 40 months

• Developed backend services and REST APIs using Spring Boot
• Implemented asynchronous processing and messaging workflows using Apache Kafka
• Improved system reliability through better error handling and service communication
• Worked on performance improvements and backend optimization
• Collaborated with business analysts and engineering team on new feature delivery

Software Engineer at 5G Testing Platform

Duration: 9 months

• Designed and implemented scalable backend microservices
• Developed reusable service templates and internal component
• Optimized inter-service communication and reduced latency
• Containerized services and improved deployment reliability (Docker, Kubernetes)
• Participated in architecture and technical design discussions

Senior Software Engineer at Infrastructure Documentation Platform

Duration: 12 months. Focus: Kotlin + Quarkus

• Designed and implemented backend services with focus on scalability and maintainability
• Improved system modularity and maintainability
• Enhanced performance and reliability
• Conducted code reviews and production bug fixing

Senior Java Developer at Infrastructure Documentation Platform

Duration: 24 months

• Maintained and optimized enterprise backend system built with Java and Jakarta EE
• Improved performance and reduced bottlenecks in critical modules
• Refactored legacy components to align with modern architecture principles
• Participated in system design and code quality improvements

Software Engineer at Energy Analytics Platform

Duration: 5 months

• Migrated database from Oracle to PostgreSQL in production environment
• Improved performance of data-intensive operations and backend services
• Containerized services and improved deployment workflows

Software Engineer at Sports Events Platform

Duration: 4 months

• Designed system architecture and implemented backend from scratch
• Built event-driven data processing using Kafka
• Developed APIs and business logic for real-time data handling

Master's Degree – Lviv Polytechnic National University