Senior Backend Engineer

About Sky Mavis

Sky Mavis is building the future of gaming. We’re the creators of Axie Infinity, the most successful Web3 game ever, and Ronin, a purpose-built blockchain that ranked as the 4th most-used chain in 2024, behind Ethereum, Bitcoin, and Solana.

We’ve processed over $4.3 billion in on-chain volume and are backed by more than $170 million from top-tier investors, including a16z, Accel, Libertus Capital, and Paradigm.

Our team moves fast, builds with intention, and believes in a world where players truly own what they earn. If you’re excited by open economies, massive scale, and shaping new digital frontiers, join us.

About the Role

We’re looking for a Senior Backend Engineer to join our engineering team and help shape the future of Ronin. You’ll take end-to-end ownership of projects — from architecture through deployment — working closely with product and cross-functional teams to deliver features that serve millions of users worldwide.

This role is best suited for someone who thrives on solving complex technical challenges, has deep experience building high-performance backend systems, and is passionate about bringing scalable, reliable infrastructure to the Web3 ecosystem.

What You’ll Do

• Design, develop, and maintain robust, scalable, and secure backend services in Go and Rust.

• Architect distributed systems to ensure reliability, high availability, and fault tolerance.

• Lead API design and development, creating efficient, well-documented, and secure endpoints.

• Optimize workflows and backend performance to improve scalability and reduce latency.

• Design and tune database systems (SQL/NoSQL) for efficient data storage and retrieval.

• Integrate emerging technologies to future-proof the platform.

• Oversee deployment pipelines, monitoring, and production troubleshooting.

• Drive technical solution evaluation and contribute to high-impact architectural decisions.

• Mentor engineers and contribute to a culture of knowledge-sharing and engineering excellence.

Requirements

• 7+ years of professional backend engineering experience.

• Strong proficiency in Golang or Rust, with a track record of building high-performance backend services.

• Deep understanding of database technologies (SQL and NoSQL).

• Expertise in distributed system design and scalable architectures.

• Experience in Agile development environments with strong collaboration skills.

• Proven ability to take full ownership of projects and deliver results independently.

• Experience with containerization (Docker) and orchestration (Kubernetes).

• Strong communication skills and interest in mentoring teammates.
  

Nice to Have

• Experience with competitive programming or algorithm-heavy problem solving.

• Background in decentralized application (dApp) development, including Solidity.

• Previous experience in Web3, blockchain, or fintech environments.