Java Software Engineer

Java Engineer（Onsite – Sri Lanka） Industry: Online Casino / iGaming Location: Sri Lanka Work Arrangement: 100% Onsite Work Hours: Monday to Friday, 9:00 AM – 6:00 PM（GMT+5:30） Company Overview Our client is a global online casino / iGaming technology company. They are building a stable, long-term backend operations team in Sri Lanka to support mission-critical systems used by online gaming platforms worldwide. This role is operations-focused, emphasizing system stability, maintenance, and issue resolution, rather than heavy new feature development. It is ideal for engineers who enjoy keeping systems reliable, stable, and performant in a high-traffic production environment. Key Responsibilities • Maintain and support existing Java-based backend systems and API services for online casino platforms • Review and understand existing technical documentation, system architecture, and data flows • Handle minor feature enhancements, bug fixes, and performance tuning • Perform production troubleshooting, root cause analysis, and configuration adjustments • Collaborate with regional and global teams via Slack, Zoom, and other collaboration tools • Participate in on-call rotation to respond to production issues when required Qualifications • Minimum 3 years of hands-on experience in Java backend development • Solid understanding of relational databases and SQL • Familiarity with Redis or other caching technologies is preferred • Comfortable working in Linux command-line environments • Experience with AWS or GCP is a plus (not mandatory) • Proficiency in Mandarin Chinese is required, with good working English communication skills Preferred Attributes • Strong problem-solving and analytical skills • Comfortable working in a fast-paced production environment • Able to collaborate effectively with cross-functional, international teams • Experience with Docker or containerization tools is an advantage