Blockchain Engineer
Posted on:
September 3, 2025
Job description
About The Role 🤔
As a Blockchain Engineer at Immutable, you’ll work at the cutting edge of Ethereum scaling and rollup technology. You’ll take ownership of protocol-level features, designing and shipping core blockchain infrastructure that supports high transaction volumes while keeping costs low and latency minimal. You’ll collaborate with world-class engineers to push the boundaries of Layer 2 scalability, interoperability, and performance. Contributing directly to Immutable’s mission of powering the next generation of Web3, Role is perfect for someone who thrives in an environment where engineers influence architecture, roadmap, and technology choices, and where deep technical learning is actively encouraged.
Responsibilities
You'll Be Empowered To 🎮
- Design, implement, and optimise blockchain protocol components including chain enhancements and cross-rollup bridges.
- Own architectural decisions and set engineering best practices for blockchain development.
- Ensure security, reliability, and performance of protocol changes under high transaction loads.
- Experiment with emerging blockchain technologies such as ZKPs, cross-rollup messaging, and new Ethereum primitives.
- Collaborate across teams to integrate innovations into the Immutable product roadmap.
Job requirements
We’d Love You To Bring 🤝
- Hands-on Ethereum blockchain development experience (smart contracts + protocol-level).
- Proficiency in Solidity and at least one backend language (Golang preferred).
- Strong understanding of distributed systems or large-scale microservices.
- Experience integrating with Ethereum APIs and tooling (JSON-RPC, ethers.js).
- Clear communication skills to explain complex blockchain concepts to both technical and non-technical audiences.
- 5+ years of relevant engineering experience.
- Experience with Layer 2 scaling solutions.
- Deep knowledge of Ethereum Virtual Machine (EVM) internals.
- Familiarity with blockchain bridges or cross-chain communication protocols.
- Contributions to open-source blockchain projects.
- Strong cryptography fundamentals.
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