Chillchat
Chillchat

Senior Backend Engineer

June 25, 2025
Full-time
Remote · Bangkok Metropolitan Area
Mid-Senior level
Back-end Developer
Apply now

At Chillchat, we blend creativity and player obsession to create games and platforms that stand out. With a team-first mindset, we value direct communication and a commitment to growth. We work hard, play harder, and always put our players first.

SOL Arena is PvP Snake Extraction, where casual gaming meets crypto wagering. It combines the simplicity of slither.io with the thrill of crypto.

As our Senior Backend Engineer, you’ll work on and create backend systems that power SOL Arena—from real-time multiplayer services to session management and user progression. You’ll collaborate with developers and infrastructure teams to build scalable, secure, and reliable services that support gameplay, LiveOps, and future growth.

How you will make an impact:

  • Build and maintain the core backend systems for SOL Arena, focusing on performance, scalability, and reliability.
  • Collaborate with the gameplay and client teams to ensure seamless synchronization between server and client.
  • Work on scalable APIs and backend features for session and account management, player progression and game logic.
  • Troubleshoot backend systems in production, resolving issues quickly to minimize player impact.
  • Participate in backend architecture planning and feature design discussions, sharing input on technical direction and feasibility.
  • Own areas of the backend, decide on implementation details independently based on overall architecture.

Our Tech Stack

  • Backend services in Rust.
  • Frontend & game client: Typescript, Rust.
  • Real-time communications: websocket & flatbuffers.
  • Databases: Postgres, NATS KV.
  • Messaging: NATS.
  • IaC: Terraform, Saltstack.
  • CI/CD: Gitlab.
  • Cloud platforms: GCP.
  • Containers: Docker, Packer.

Your character build:

  • 7+ years of backend development experience, ideally with real-time or multiplayer systems.
  • Strong proficiency in Rust or experience in low-level programming languages with a willingness to learn Rust.
  • Experience designing and building scalable, distributed systems.
  • Familiarity with infrastructure and tooling, including GitLab CI/GitHub Actions, Terraform, Nomad, Docker, and GCP/AWS/Azure.
  • Experience with relational database design; comfortable using ORMs and writing raw SQL queries.
  • Clear communication and documentation skills, comfortable collaborating with engineers.
  • Bonus: Experience working on multiplayer games.
  • Bonus: Exposure to analytics tools, telemetry, or backend systems supporting live game features.

Our culture:

  • Player Experience Obsession: We focus on delivering what our players truly love.
  • Play to Win: We embrace a competitive spirit, always striving for excellence and growth.
  • Mission Over Self: Our mission comes first, and we leave individual preferences aside.
  • Trust Your Team: We value open communication and empower our team to make decisions.
  • Trust Yourself: Take risks, make decisions, and learn from failures.
  • Be Direct: Constructive, honest feedback helps us grow together.
  • Use Context: We approach problems with good judgment and flexibility, not rigid processes.
  • Have Fun: Enjoy the work and the journey.

Check out our website for more info on our culture!

Our bonus attributes:

  • Dress: Wear whatever makes you feel most comfortable, PJs are also acceptable.
  • Flexibility: Work from home, office, coworking space, or beach.
  • Relocation: Discover Thailand's vibrant culture and lush landscapes with our comprehensive relocation benefit.
  • Wellness: We invest in your wellness, whether you want to focus on physical or mental health.
  • Health: We’ve got you covered, comprehensive insurance is the name of the game.
  • Team: Join our passionate team and enjoy cat memes, games and most importantly food!
  • Salary: We’ll make sure you’re covered, so that you don’t have to stress about your finances.
  • Investors: We are backed by the top VC’s in the space, including Solana Ventures, Griffin Gaming Partners, Animoca Brands, and more...
  • Meritocracy: Be recognized for the work you do and get control of your career and how you grow.

If this sounds like a mission you’d like to be a part of, apply now!