Backend Engineer (Game Server)

Omnilojo; Singapore; On-site; SGD 85,000 - 140,000; Full time

Job summary

Omnilojo is seeking a Backend Engineer to lead the design and implementation of scalable game server systems in Singapore. You will own core server components, optimize performance, and drive reliability for long‑term live operations.

The role requires 3+ years of server-side development in games, strong Java and Linux expertise, and a solid grasp of concurrency and networking. Mandarin communication is a plus for regional collaboration.

Qualifications

• Bachelor’s degree in Computer Science or related field (or equivalent experience).
• 3+ years of server-side development experience in the game industry.
• Strong Java skills with understanding of JVM internals and performance tuning.
• Proficiency in Linux environments.
• Solid understanding of concurrency (multi-threading, multi-process, async messaging/queues).
• Experience with socket/network programming and databases (Redis, MySQL, MongoDB).
• Familiarity with design patterns, algorithms, and data structures.
• Strong ownership, clear communication, and ability to solve complex problems independently.
• Strong English communication skills; Mandarin helpful for cross-functional collaboration.

Responsibilities

• Lead the architecture design of game server systems and module breakdown.
• Build and maintain core server features with refactoring and improvements.
• Drive performance, networking, and data optimizations for stability and scalability.
• Solve bottlenecks and implement core server logic.
• Build internal tools to improve development and iteration efficiency.
• Write and maintain technical documentation to support long-term productivity.

Skills

Java

JVM internals

Linux

Concurrency

Networking

Redis

MySQL

MongoDB

Design patterns

Communication

Education

Bachelor’s degree in Computer Science or related field

Tools

Redis

MySQL

MongoDB

Job description

We’re looking for a Backend Engineer to help build and scale the backend for our game. You’ll take ownership of core server systems, performance optimization, and technical foundations that support long-term live operations.

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.