Senior Blockchain Developer | Remote | 6+ Years | Full Time |

Senior Blockchain Developer

Remote

Full Time

Role Overview

Key Responsibilities:

Chain Maintenance & Enhancements

Maintain, monitor, and upgrade our Cosmos-based Layer 1 blockchain.

Implement hard forks, bug fixes, and performance improvements with minimal downtime.

Manage validator coordination, genesis configuration changes, and chain parameter updates. Smart Contract Development

Write, test, and deploy Cosmos-based smart contracts for:

Decentralized Exchange (DEX) functionality (AMM, swaps, liquidity pools)

Wallet lock/unlock rules governed by governance proposals

Transaction volume caps and thresholds

Staking reward logic and slashing rules

Optimize contract gas usage and security.

Bridge Integrations & Interchain Connectivity

Integrate with Hyperlane or similar bridging protocols to allow cross-chain token transfers.

Implement interchain messaging and asset flow (IBC integration).

Monitor relayer health and ensure uptime of cross-chain communication.

Collaboration & Documentation

Work closely with the CTO, DevOps team, and product stakeholders.

Document architecture, smart contract logic, governance models, and upgrade plans.

Required Qualifications:

6+ years of experience in blockchain development, with 2+ years on Cosmos SDK and/or Evmos forks.

Strong proficiency in Go (Golang), Rust (for Cosmos), and Solidity (optional).

Experience deploying and upgrading production blockchains.

Deep understanding of staking, governance, validators, tokenomics, and IBC.

Prior work on DEXs, cross-chain bridges, or smart contract-based access control is a plus.

Familiarity with blockchain monitoring, RPC/WebSocket endpoints, and chain analytics.

Experience with forked chains, custom module development, and network upgrades.

Strong version control (Git), CI/CD workflows, and Linux-based development.

Preferred Skills (Nice to Have)

Knowledge of Hyperlane, Axelar, or other IBC bridge protocols.

Familiarity with Cosmos governance tooling (Commonwealth, Keplr, etc.).

Security auditing experience or formal verification techniques.

Contributions to open-source Cosmos projects.