Senior Software Engineer (Java)

About the role

Light & Wonder is seeking an experienced Senior Software Engineer to join its high‑performing agile team in Marousi. You will work on the OpenGaming platform, designing and delivering Java‑based micro‑services that power the world’s leading online gaming providers.

Key responsibilities

• Participate in all stages of the software development life‑cycle, from requirements capture to production deployment.
• Write clean, efficient Java code and develop RESTful services using Spring Boot.
• Design, build, and maintain cloud‑native applications on AWS, leveraging micro‑service architectures.
• Review and refactor existing code to improve reliability, performance, and operability.
• Lead technical discussions, mentor junior engineers, and provide technical coaching on large product initiatives.

Required profile

• Minimum 5 years of professional experience in web system design and development.
• Strong analytical and problem‑solving abilities with excellent communication skills.
• Proven ability to work in a self‑organising, Kanban‑driven team and deliver value incrementally.

Required skills

• Java (commercial experience)
• Spring Boot or similar frameworks for RESTful APIs
• AWS cloud services and cloud‑native application development
• Micro‑service architecture
• SQL and NoSQL databases (relational, ACID‑compliant)
• Unix/Linux environments
• Redis or Hazelcast caching
• Kafka, RabbitMQ or similar messaging systems
• Jenkins, Docker and CI/CD pipelines

What we offer

• Competitive benefits and a supportive, open work environment.
• Hybrid working model with a modern workplace in Marousi.
• Opportunities to collaborate with global teams and switch projects as the business evolves.
• Exciting projects that influence the iGaming ecosystem and career development support.