Senior Blockchain Developer
Location: Remote with preferable working hours in UK time zone. Type: Full-time, Senior Engineering Role Company Overview: NexQloud is building a next-generation decentralized cloud platform (DCP) that leverages a globally distributed network of NanoServers and a Layer 1 blockchain infrastructure. Our blockchain is a Cosmos-SDK-based chain, forked from Evmos, and integrated with a robust token economy using NXQ tokens. Role Overview: We are seeking a Senior Blockchain Developer to take full ownership of the ongoing development, upgrades, and ecosystem expansion of NexQloud’s Layer 1 blockchain platform. You will be responsible for maintaining our blockchain, implementing advanced features such as governance-based wallet locks, decentralized exchange mechanisms, Hyperlane bridging, and custom consensus configurations. Key Responsibilities: Chain Maintenance & Enhancements • Maintain, monitor, and upgrade NexQloud’s 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: o Decentralized Exchange (DEX) functionality (AMM, swaps, liquidity pools) o Wallet lock/unlock rules governed by governance proposals o Transaction volume caps and thresholds o 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 NXQ 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. • Contribute to community education and ecosystem growth via GitHub, blog posts, or AMAs. 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. Compensation & Benefits • Competitive salary (region-dependent): o India: $40K - $65K USD equivalent o Eastern Europe: $50K - $80K USD equivalent o UK/U.S.: $80K - $120K USD equivalent • Equity and NXQ token incentives • Performance bonuses linked to product milestones • Opportunity to work on an industry-defining decentralized compute and blockchain infrastructure Why Join NexQloud? You’ll be at the forefront of building and maintaining the foundation of a truly decentralized, scalable, and secure cloud infrastructure. Your work will influence how cloud infrastructure, token governance, and AI workloads converge on a blockchain-powered platform. If you are passionate about blockchain protocol design and want to work on impactful challenges, we want to talk to you. Apply now and help us shape the future of decentralized infrastructure at NexQloud. Apply tot his job