Senior Backend Engineer

Employment Type: Permanent

Location: Sleman, Yogyakarta, Indonesia

POSITION SUMMARY:

As a Senior Backend Engineer, you will play a key role in the development of the game backend services, from designing APIs to writing solid logic to deploying and monitoring the servers. Building systems with security, scalability, reliability and cost efficiency in mind is a must.

Our ideal candidate has a love for games and the ability to collaborate with our game developers customers and other service developers in order to build online services to power games at scale. We seek versatile engineers with strong judgment, great execution, and a willingness to take on new responsibilities.

In addition, this role will increasingly support AI-driven initiatives and internal AI platform development. We are seeking someone who has a strong interest in Artificial Intelligence, enjoys exploring emerging AI technologies, and is eager to deeply understand and contribute to AI-related backend systems, infrastructure, and integrations. 

ESSENTIAL FUNCTIONS/RESPONSIBILITIES:

The Senior Backend Engineer is accountable for the following functions and responsibilities:

• Develop and improve microservices with scalability, data integrity, security and cost in mind
• Collaborate with other engineers and work closely with cross-functional teams (Frontend, SDK, SDET, PM, etc.) in a global environment. 
• Practice, champion and culturalize best practices for highly scalable backends across the engineering organization
• Provide mentorship on your team to help them grow in their technical responsibilities and remove blockers to their autonomy
• Author or contribute to technical designs, documentation, tutorials and sample apps
• Support and troubleshoot client integration and ensure client success

• Take ownership of significant online domains, backend services, or internal tools
• Contribute to the design and development of AI-driven backend initiatives, including service integrations, infrastructure, automation frameworks, internal tooling, and scalable platform capabilities
• Continuously evaluate and stay current with emerging AI technologies, developer tools, and backend architecture patterns to support modern software and game platform innovation

• May be called upon to lead a team and mentor other engineers
  

QUALIFICATIONS/EXPERIENCE REQUIRED

• 5+ years professional experience working with backend systems with hands-on experience in Go.
• Experienced with both SQL and NoSQL databases such as Postgres and MongoDB
• Experience building microservices cloud applications in a public cloud provider such as AWS
• Excellent knowledge of algorithms, data structures, performance and multi-threaded programming techniques
• Experience with developing highly scalable services serving millions of users
• Experience with security best practices
• Forward-thinking and up to date on current and emerging architecture patterns
• Strong interest in Artificial Intelligence, with a proactive mindset toward learning and applying AI technologies across platforms, backend systems, and infrastructure
• Demonstrated curiosity and drive to deeply explore AI domains, including infrastructure, system integrations, LLM-powered services, automation workflows, and emerging tooling, contributing to the evolution of AI-enabled products and platforms
• Ability to quickly understand and work with internal and externally developed code

• Strong verbal and written English communication skills, with the ability to collaborate effectively in a remote, cross-functional environment 

• Comfortable working in a highly agile work environment and adapt as business challenges evolve

QUALIFICATIONS/EXPERIENCE PREFERRED

• Experience designing and operating backend systems for online multiplayer games, live services, or other large-scale real-time platforms
• Familiarity with agentic workflows, backend automation frameworks, and AI-enabled service orchestration
• Experience integrating intelligent or agentic capabilities into gaming platforms, backend ecosystems, or player-facing services