Senior Backend Engineer

Location

San Francisco, CA

Employment Type

Full time

Location Type

Hybrid

Department

Engineering

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.

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