Chain Protocol Engineer
External
Hyphenconnect · Asia PacificPrepare for this interview
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Responsibilities
- Drive full lifecycle of Cosmos SDK/Tendermint modules: build, customize, and maintain with deep consensus/networking impact.
- Engineer EVM-compatible capabilities on Evmos-precompiles, fee markets, state logic, and cross-layer behaviors.
- Implement and run BNB Greenfield storage integrations: permissions, cross-chain flows, and app-level patterns.
- Manage chain upgrades, hotfixes, and param changes via governance, migrations, and multi-env execution.
- Own stack reliability: node ops, RPC tuning, indexing, monitoring, alerting, and incident response.
Requirements
- Expert Golang in Cosmos/Tendermint; mastery of state machines and consensus.
- Deep Evmos EVM proficiency: precompiles, opcodes/gas, JSON-RPC, cross-compat.
- Hands-on with Greenfield SDKs/APIs, ACLs, and chain/contract integration patterns.
- Strong in Docker/K8s, CI/CD, IaC for chain infra; plus node ops (pruning, sync, RPC).
- Rigorous testing (simulations, property-based, upgrade rehearsals) and observability (Prom/Grafana, traces, playbooks).
Additional Information
We are hiring for one of our clients. They are a fast-growing Web3 startup rethinking how digital identity and reputation work online. They're building privacy-first infrastructure that lets users prove who they are and what they've done-without giving up personal data. Backed by strong ecosystem partners and a passionate founding team, the company is shaping a more trusted and user-centric internet. We are looking for a Protocol Engineer to design, implement, and operate the core software of a L1 Chain-focusing on reliability, performance, and the identity‑specific features.
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