Senior Software Engineer

Brightstar Lottery; Warszawa; Hybrid; PLN 146,000 - 225,000; Full time

Benefits offered by this job

Paid time off

Health insurance

Life insurance

Disability insurance

Volunteer opportunities

Well-being programs

Role-based benefits

Job summary

Brightstar Lottery is seeking a Senior Back-end Software Engineer specializing in Java to design, develop, and maintain secure, scalable backend systems for lottery solutions. You will build microservices, RESTful APIs, and work with DB2 and PostgreSQL in an international agile team.

The ideal candidate has strong Java 11 expertise, Hibernate, Spring Framework, and a passion for enterprise-grade software, mentoring peers and driving robust, high-performance applications.

Qualifications

• Proven experience as a Senior Software Engineer with Java/J2EE stack.
• Strong knowledge of Java 11, Spring, Spring Boot, and Hibernate.
• Experience with relational databases DB2 and PostgreSQL.
• Fluent in English (written and spoken).
• Solid understanding of software engineering principles and design patterns.
• 5+ years of professional backend development experience.
• GIT for source control and collaboration.
• Designing and implementing RESTful APIs.
• Understanding of microservices and scalable system design.
• Experience with unit/integration testing and performance optimization.

Responsibilities

• 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 backend 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 the performance, quality, and responsiveness of applications.
• Participate in code reviews and mentor junior developers.

Skills

Java/J2EE stack

RESTful API design

Microservices architecture

Software design patterns

Back-end development

Testing (JUnit/Mockito/Gatling/TestNG)

Education

Bachelor's degree in Computer Science or related field

Master's degree in Computer Science or related field

Tools

Hibernate

PostgreSQL

DB2

Git/GitHub

Spring Framework

Spring Boot

Job description

Brightstar is an innovative, forward-thinking global leader in lottery that builds on our renowned expertise in delivering secure technology and producing reliable, comprehensive solutions for our customers. As a premier pure play global lottery company, our best-in-class lottery operations, retail and digital solutions, and award-winning lottery games enable our customers to achieve their goals, fulfill player needs and distribute meaningful benefits to communities. We have a longstanding commitment to Responsible Gaming (RG) that is engrained within our core business and the products we offer to customers and players worldwide. Brightstar has a well-established local presence and is a trusted partner to governments and regulators around the world, creating value by adhering to the highest standards of service, integrity, and responsibility. Brightstar has approximately 6,000 employees. For more information, please visit www.brightstarlottery.com .

Role overview:

This position is for a Back‑end Software Engineer specializing in Java who will be responsible for the design, development, and maintenance of secure, scalable, and high‑performance backend systems for lottery solutions.

The role involves building and maintaining microservices and RESTful APIs using the Spring ecosystem, working with relational databases such as DB2 or PostgreSQL, and collaborating within an agile, international team.

The ideal candidate will bring strong Java expertise, solid database and SQL knowledge, and a passion for delivering robust, enterprise‑grade software through innovation and teamwork.

Key Responsabilities:

• Develop software ensuring security, scalability, and high performance
• Document software, document processes and procedures related to the implementation and maintenance of software solutions
• Work with relational databases such as DB2 and PostgreSQL
• Provide training, mentoring, and coaching to assigned coworkers
• Participate in the 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 the performance, quality, and responsiveness of applications
• Participate in code reviews and mentor junior developers

Required Qualifications:

• Proven experience as a Senior Software Engineer working with Java/J2EE stack
• Strong knowledge ofJava 11,Spring,Spring Boot, andHibernate
• Experience with relational database systemsDB2andPostgreSQL
• Fluent inEnglish(written and spoken)
• Solid understanding of software engineering principles and design patterns
• Master/Bachelor of Science degree in Computer Science or a related field, or equivalent industry experience.
• 5+ years of professional back-end development experience, focusing on scalable, high-performance applications.
• Git / GitHub for source control management 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, and 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 AngularorAngularJS
• Familiarity with CI/CD pipelines and DevOps practices
• Experience working in Agile environments
• Methodologies for data encryption, authentication, and access control mechanisms
• Logging and monitoring tools likeKibana, Grafana, and Prometheus

The Way We Work:

• Agile Approach: We follow agile methodologies, emphasizing adaptability, transparency, and continuous improvement.
• Open Communication: Our team encourages transparent conversations, sharing knowledge, and feedback to support seamless collaboration.
• Innovation and Learning: At Brightstar Lottery, we foster a culture of innovation, empowering engineers to explore new technologies and advance their skills profoundly.

#LI-PZ1 #LI-Hybrid

This information reflects Brightstar Lottery’s good‑faith estimate of compensation for this position at the time of publication. Actual compensation will be determined in accordance with the applicable collective agreement and internal compensation policies. Factors that we consider include, but are not limited to, role, career level, performance, skills, level of expertise, experience, location, market competitiveness, and internal equity. The estimated starting compensation range is 146,064 zł – 224,714 zł. The Company will comply with all local pay requirements and collective bargaining agreements, where applicable.

Other Benefits Offered:

• Paid time off
• Health insurance, life insurance, and disability insurance
• Opportunities to volunteer your time to company-driven initiatives, employee networks or organizations of your choice
• Variety of well‑being programs
• Additional benefits available depending on the seniority of the role

This position is governed by collective bargaining agreement, which regulates the main terms and conditions of employment, including minimum salary levels, classification, working hours, leave, and other employment rights.

Our hiring process is conducted in line with principles of pay transparency and equal pay. We do not request or rely on candidates’ salary history during the selection process.

All Brightstar employees have a role in information security. Annual training will be assigned and required as appropriate.