Senior Golang Developer

a5 labs • Hong Kong Sar
Remote
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AI Summary

Join a fully remote global engineering team to build scalable backend systems for AI, gaming, and real-time systems. As a Senior Golang Developer, you will design, build, and maintain scalable backend services using Golang. Strong Golang development experience and solid understanding of backend architecture and distributed systems are required.

Key Highlights
Fully remote global engineering team
Scalable backend systems for AI, gaming, and real-time systems
Senior Golang Developer role
Key Responsibilities
Design, build, and maintain scalable backend services using Golang
Work on distributed systems that support real-time, high-concurrency, and low-latency applications
Develop reliable backend infrastructure and APIs for gaming, AI, or crypto-related products
Participate in system design and architecture discussions across services, databases, infrastructure, and deployment
Solve complex technical challenges involving algorithms, concurrency, performance optimization, and scalability
Improve system reliability, observability, security, and maintainability
Work with databases, including SQL and/or NoSQL systems
Collaborate with a global remote engineering team in an async-first environment
Technical Skills Required
Golang Backend architecture Distributed systems Data structures Algorithms Concurrency System design SQL NoSQL Docker Kubernetes Git CI/CD Modern engineering workflows
Benefits & Perks
Fully remote work setup
4–5 weeks paid annual leave plus local holidays
Competitive USD salary
Quarterly bonus
Flexible working hours with an async-first culture
High ownership, low bureaucracy environment
Opportunity to work on AI, gaming, and real-time distributed systems
Nice to Have
Experience with multiplayer game backend systems, anti-cheat systems, wallets, payments, or crypto platforms
Strong understanding of network programming, data security, and performance tuning
Experience with AWS, GCP, or other cloud platforms
Experience with monitoring tools such as Prometheus, Grafana, Elasticsearch, or similar tools

Job Description


About the Role

We are looking for a Senior Golang Developer to join our fully remote global engineering team.


This role will focus on building scalable backend systems for AI, gaming, real-time systems, and distributed architecture. We are looking for engineers who are strong in Golang, understand backend system design, and enjoy solving complex technical problems involving concurrency, algorithms, databases, and high-performance services.


We are open to candidates from two directions:


Strong Golang Backend Engineers with 3+ years of experience

Candidates should have solid hands-on Golang development experience, strong backend fundamentals, and a good understanding of distributed systems, databases, algorithms, and scalable service design.


Senior / architecture-oriented engineers

For more senior candidates, we value strong system design capability, technical leadership, ownership, and the ability to proactively identify problems, drive solutions, and influence engineering decisions.


This JD is based on the original Golang/game backend role requirements, including Golang backend development, real-time multiplayer systems, distributed computing, high-performance systems, databases, Kubernetes, CI/CD, and monitoring tools.


Responsibilities

  • Design, build, and maintain scalable backend services using Golang
  • Work on distributed systems that support real-time, high-concurrency, and low-latency applications
  • Develop reliable backend infrastructure and APIs for gaming, AI, or crypto-related products
  • Participate in system design and architecture discussions across services, databases, infrastructure, and deployment
  • Solve complex technical challenges involving algorithms, concurrency, performance optimization, and scalability
  • Improve system reliability, observability, security, and maintainability
  • Work with databases, including SQL and/or NoSQL systems
  • Collaborate with a global remote engineering team in an async-first environment
  • For senior-level candidates: lead technical discussions, mentor engineers, and proactively drive technical improvements


Requirements

  • 3+ years of professional software engineering experience
  • Strong hands-on experience with Golang
  • Solid understanding of backend architecture and distributed systems
  • Good knowledge of data structures, algorithms, concurrency, and system design
  • Experience building backend services, microservices, or high-performance systems
  • Experience with SQL and/or NoSQL databases
  • Familiarity with Docker, Kubernetes, Git, CI/CD, and modern engineering workflows
  • Experience with gaming, crypto, real-time systems, or high-concurrency platforms is highly preferred
  • Strong ownership mindset and ability to work independently in a remote environment
  • Comfortable using AI tools to improve engineering productivity
  • Fluent English is required
  • Mandarin Chinese is a plus, but not required


Nice to Have

  • Experience with multiplayer game backend systems, anti-cheat systems, wallets, payments, or crypto platforms
  • Strong understanding of network programming, data security, and performance tuning
  • Experience with AWS, GCP, or other cloud platforms
  • Experience with monitoring tools such as Prometheus, Grafana, Elasticsearch, or similar tools
  • Previous experience as a Senior Engineer, Tech Lead, or architecture-focused engineer
  • Experience working in distributed global teams


Benefits

  • Fully remote work setup with a global team
  • 4–5 weeks paid annual leave plus local holidays
  • Competitive USD salary
  • Quarterly bonus, up to 2x
  • Flexible working hours with an async-first culture
  • High ownership, low bureaucracy environment
  • Opportunity to work on AI, gaming, and real-time distributed systems


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