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:
  
  
  • 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 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)


• 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 by emailing your resume to [email protected] and help us shape the future of decentralized infrastructure at NexQloud.