Senior/ Lead Java Developer

5 days ago

Ho Chi Minh City Metropolitan Area, Vietnam my clients Full time ₫2,500,000 - ₫7,500,000 per year

Key Responsibilities:

  • Lead the backend team in designing, developing, and maintaining scalable services for iGaming products.
  • Architect and implement systems using Java (Spring Boot), RESTful APIs, WebSocket, and event-driven architectures.
  • Collaborate closely with product managers, frontend developers, and QA to ensure smooth delivery of new features.
  • Design and optimize relational databases such as MySQL and PostgreSQL for performance, scalability, and reliability.
  • Integrate caching solutions (e.g., Redis, Memcached) to enhance system performance.
  • Ensure high system availability, fault tolerance, and low-latency communication across microservices.
  • Monitor system health, analyze performance bottlenecks, and lead incident response when necessary.
  • Promote and enforce coding standards, architectural best practices, and high-quality documentation.
  • Mentor junior developers, conduct code reviews, and support the growth of the backend team.
  • Drive continuous improvement initiatives in system design, development processes, and DevOps practices.

Required Qualifications:

  • 5+ years of professional backend development experience, including 2+ years in a technical lead or senior role.
  • Strong proficiency in Java (Java 8+) and Spring Boot framework.
  • Solid experience in building and consuming RESTful APIs and implementing WebSocket-based systems.
  • Hands-on experience with microservices architecture, distributed systems, and system design.
  • Proficiency with relational databases (MySQL, PostgreSQL) and ORM frameworks (e.g., Hibernate, JPA).
  • Familiarity with caching technologies (Redis, Memcached).
  • Experience with containerized environments and orchestration tools (Docker, Kubernetes).
  • Knowledge of CI/CD pipelines and monitoring tools (e.g., Prometheus, Grafana, ELK).
  • Excellent problem-solving skills, analytical mindset, and strong ownership.
  • Good English communication skills – both written and spoken.
  • Experience in the iGaming domain is a strong plus.

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