Senior Software Engineer

Brightstar is an innovative, forward-thinking global leader in lottery that builds on renowned expertise in delivering secure technology and reliable, comprehensive solutions. It is a premier pure play global lottery company offering best-in-class lottery operations, retail and digital solutions, and award-winning lottery games.

• Proven experience as a Senior Software Engineer working with Java/J2EE stack
• Strong knowledge of Java 11, Spring, Spring Boot, and Hibernate
• Experience with relational database systems DB2 and PostgreSQL
• Fluent in English (written and spoken)
• Presence in Warsaw office 2 times a week
• Solid understanding of software engineering principles and design patterns
• Master/Bachelor of Science degree in Computer Science or related field, or equivalent experience
• 5+ years of professional back-end development experience focusing on scalable, high-performance applications
• Experience with Git/GitHub for source control and code collaboration
• Designing and implementing RESTful APIs
• Solid understanding of design patterns, microservices, and scalable system design
• In-depth understanding of the entire web development process (design, development, deployment)
• Strong debugging, troubleshooting, and performance tuning skills for back-end systems
• Experience with unit testing, integration testing, and performance optimization (JUnit, Mockito, Gatling, or TestNJ)

Nice to have:

• Front-end experience with Angular or AngularJS
• Familiarity with CI/CD pipelines and DevOps practices
• Experience working in Agile environments
• Knowledge of data encryption, authentication, and access control mechanisms
• Experience with logging and monitoring tools like Kibana, Grafana, and Prometheus

• Develop software ensuring security, scalability, and high performance
• Document software, processes, and procedures related to implementation and maintenance
• Work with relational databases such as DB2 and PostgreSQL
• Provide training, mentoring, and coaching to assigned coworkers
• Participate in project management of back-end software solutions
• Develop and maintain scalable J2EE applications using Java 11, Spring Framework, and Spring Boot
• Implement ORM solutions using Hibernate
• Collaborate with cross-functional teams to define, design, and ship new features
• Ensure performance, quality, and responsiveness of applications
• Participate in code reviews and mentor junior developers
• Troubleshoot and resolve production issues

Must be present in Warsaw office 2 times a week.