Java Game Server Engineer

Omnilojo; Singapore; On-site; SGD 90,000 - 180,000; Full time

Job summary

Omnilojo is seeking a skilled game server architect to lead the design of scalable server systems and robust communication protocols. You will own core server features, drive performance optimizations, and refactor code for long-term stability.

The role requires strong Java expertise, Linux proficiency, and excellent communication in English, with Mandarin for cross-functional collaboration with Mandarin-speaking stakeholders.

Qualifications

• Bachelor’s degree in Computer Science or a related field.
• 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).

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

Networking

Databases

Design patterns

Data structures

Communication

Mandarin (spoken)

Education

Bachelor’s degree in Computer Science or related field

Tools

Redis

MySQL

MongoDB

Python scripting

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

• Python scripting experience (internal tooling, automation).
• Experience building high-concurrency, high-availability distributed systems.
• Experience shipping and supporting a fully launched game.