Java Game Server Engineer

OMNILOJO PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

OMNILOJO PTE. LTD. seeks an experienced game server architect to lead architecture design of server systems, including protocols and modular breakdown.

You will build core server features, optimize performance, networking, and data paths for stability and scalability, and solve bottlenecks while contributing to internal tooling and documentation. You will collaborate with Mandarin-speaking stakeholders and maintain high-quality code and architecture, ensuring secure and efficient operations in a

Qualifications

• 3+ years of server-side development experience in the game industry.
• Strong Java skills with JVM internals and performance tuning.
• Proficiency in Linux environments.
• Strong understanding of concurrency (multithreading, multi-process architecture, async messaging/queues).
• Experience with socket/network programming.
• Experience with Redis, MySQL, MongoDB, including performance optimization.
• Familiarity with design patterns, algorithms, and data structures.
• Strong ownership, clear communication, and ability to solve complex problems independently.
• Strong communication skills in English, with working proficiency in Mandarin for cross functional collaboration with Mandarin-speaking stakeholders.

Responsibilities

• Lead the architecture design of game server systems, including communication protocols and module/service breakdown.
• Build and maintain core server features, with ongoing refactoring and codebase improvements.
• Drive performance, networking, and data optimizations to ensure stability, scalability, security, and efficiency.
• Solve complex technical bottlenecks and implement key framework components and core server logic.
• Build internal tools that improve development and iteration efficiency.
• Write and maintain technical documentation to support long-term team productivity.

Skills

Java

Linux

Concurrency

Socket Programming

Databases (Redis MySQL MongoDB)

Design Patterns

Communication

English & Mandarin

Education

Bachelor’s degree in Computer Science or related field

Job description

What You’ll Do

• Lead the architecture design of game server systems, including communication protocols and module/service breakdown.
• Build and maintain core server features, with ongoing refactoring and codebase improvements.
• Drive performance, networking, and data optimizations to ensure stability, scalability, security, and efficiency.
• Solve complex technical bottlenecks and implement key framework components and core server logic.
• Build internal tools that improve development and iteration efficiency.
• Write and maintain technical documentation to support long-term team productivity.

What We’re Looking For

• Bachelor’s degree in Computer Science or a related field (or equivalent experience).
• 3+ years of server-side development experience in the game industry.
• Strong Java skills, with solid understanding of JVM internalsand performance tuning.
• Proficiency in Linux environments.
• Strong understanding of concurrency (multi-threading, multi-process architecture, async messaging/queues).
• Experience with socket/network programming.
• Experience with databases such as Redis, MySQL, MongoDB, including performance optimization.
• Familiarity with design patterns, algorithms, and data structures.
• Strong ownership, clear communication, and ability to solve complex problems independently.
• Strong communication skills in English, with working proficiency in Mandarin for cross functional collaboration with Mandarin-speaking stakeholders (players/regional team members).

Bonus Points

• Golang experience.
• Python scripting experience (internal tooling, automation).
• Experience building high-concurrency, high-availability distributed systems.
• Experience shipping and supporting a fully launched game.
• Prior working experience in the gaming industry is preferred.