Java Developer

2 weeks ago

Quận Ho Chi Minh City, Vietnam MTA Solutions VN Full time ₫10,000,000 - ₫20,000,000 per year

Work location : Ho Chi Minh , Vietnam

Only Vietnamese candidates will be given preference.

Key Responsibilities:

Candidate overview:

Proficient in Java and has expertise in developing scalable, high-availability systems for real-time gaming applications.

  • Design, develop, and maintain a highly scalable, low-latency server architecture for a live casino environment.

  • Optimize server-side performance to handle thousands of concurrent users without lag.

  • Implement and manage WebSockets, Kafka, or message queues for real-time game state synchronization.

  • Ensure fault tolerance and disaster recovery mechanisms are in place to minimize downtime.

  • Work closely with DevOps teams to deploy scalable infrastructure using Kubernetes, Docker, or cloud services (AWS, GCP, Azure).

  • Implement robust logging, monitoring, and analytics solutions to track system performance.

Java Developer :

Required Qualifications:

MUST HAVE

  • 3+ yrs Expertise in Java (Spring Boot) for high-performance backend applications.

  • Strong knowledge of asynchronous programming, multithreading, and concurrency control.

  • Experience with database management (PostgreSQL, MySQL, MongoDB, or Redis) for efficient data storage.

  • Proficiency in microservices architecture and API development (REST, gRPC).

  • Knowledge of distributed systems, caching mechanisms (Redis, Memcached), and event-driven architecture.

  • Experience with message brokers (Kafka, RabbitMQ, or ActiveMQ) for handling real-time data streams.

  • Familiarity with load balancing, auto-scaling, and high-availability strategies.

  • Strong background in unit testing, integration testing, and TDD methodologies.

  • Experience with CI/CD pipelines, Kubernetes, Docker, and cloud infrastructure.

  • Good command of English, both verbal and written, is a must.

Java Lead

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.

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