Blockchain Developer - Remote

This is a remote position. Role Overview We’re looking for a Solidity Developer to help design and build the smart contract infrastructure powering the project’s reward and distribution systems. You’ll work closely with backend engineers, product leadership, and infrastructure teams to build secure, scalable, and production-ready blockchain systems across multiple EVM networks. This is a high-ownership role suited for engineers who are comfortable working on architecture, security, optimization, and real-world Web3 product challenges. Tech Stack - Blockchain Solidity Hardhat Ethers.js OpenZeppelin - Backend Collaboration Node.js NestJS PostgreSQL Supabase Infrastructure Docker GitHub Actions Vercel IPFS Responsibilities - Design and develop Solidity smart contracts for: reward distribution airdrop claim systems referral and staking logic wallet eligibility verification - Implement secure claim mechanisms: Merkle proof systems signature-based validation role-based permissions - Optimize contracts for: gas efficiency scalability security - Integrate contracts with backend services and event-driven systems - Collaborate with backend and frontend teams on wallet flows and transaction logic - Conduct internal contract reviews and contribute to security best practices - Participate in architecture discussions for multi-chain infrastructure Requirements - 3+ years of Solidity development experience - Strong experience with: Hardhat Ethers.js OpenZeppelin TypeScript - Deep understanding of: smart contract security gas optimization EVM internals upgradeable contracts - Experience deploying and maintaining contracts on EVM chains such as: Ethereum Polygon Arbitrum Base - Experience integrating smart contracts with backend/off-chain systems - Familiarity with: event indexing transaction lifecycle handling wallet authentication flows - Strong Git and collaborative development workflow experience Nice to Have ​ - Experience with: account abstraction EIP-712 signatures relayers / gasless transactions staking or reward systems - Previous work on: airdrop infrastructure high-volume transaction systems Web3 analytics or campaign tooling Security audit experience - Rust or Solana ecosystem familiarity Benefits Medical insurance Company gadgets Paid time off Stock options (ESOP) Competitive salary and benefits package. Opportunities for professional development and growth. Collaborative and innovative work environment. Chance to work on cutting-edge cloud projects. Supportive and inclusive company cultureThis is a remote position. Role Overview We’re looking for a Solidity Developer to help design and build the smart contract infrastructure powering the project’s reward and distribution systems. You’ll work closely with backend engineers, product leadership, and infrastructure teams to build secure, scalable, and production-ready blockchain systems across multiple EVM networks. This is a high-ownership role suited for engineers who are comfortable working on architecture, security, optimization, and real-world Web3 product challenges. Tech Stack - Blockchain Solidity Hardhat Ethers.js OpenZeppelin - Backend Collaboration Node.js NestJS PostgreSQL Supabase Infrastructure Docker GitHub Actions Vercel IPFS Responsibilities - Design and develop Solidity smart contracts for: reward distribution airdrop claim systems referral and staking logic wallet eligibility verification - Implement secure claim mechanisms: Merkle proof systems signature-based validation role-based permissions - Optimize contracts for: gas efficiency scalability security - Integrate contracts with backend services and event-driven systems - Collaborate with backend and frontend teams on wallet flows and transaction logic - Conduct internal contract reviews and contribute to security best practices - Participate in architecture discussions for multi-chain infrastructure

This is a remote position.

Role OverviewRole OverviewWe’re looking for a Solidity Developer to help design and build the smart contract infrastructure powering the project’s reward and distribution systems.You’ll work closely with backend engineers, product leadership, and infrastructure teams to build secure, scalable, and production-ready blockchain systems across multiple EVM networks.This is a high-ownership role suited for engineers who are comfortable working on architecture, security, optimization, and real-world Web3 product challenges.Tech StackTech Stack- Blockchain- Blockchain

• Solidity

Solidity

• Hardhat

Hardhat

• Ethers.js

Ethers.js

• OpenZeppelin

OpenZeppelin- Backend Collaboration- Backend Collaboration

• Node.js

Node.js

• NestJS

NestJS

• PostgreSQL

PostgreSQL

• Supabase

SupabaseInfrastructureInfrastructure

• Docker

Docker

• GitHub Actions

GitHub Actions

• Vercel

Vercel

• IPFS

IPFSResponsibilitiesResponsibilities- Design and develop Solidity smart contracts for:- Design and develop Solidity smart contracts for:

• reward distribution

reward distribution

• airdrop claim systems

airdrop claim systems

• referral and staking logic

referral and staking logic

• wallet eligibility verification

wallet eligibility verification- Implement secure claim mechanisms:- Implement secure claim mechanisms:

• Merkle proof systems

Merkle proof systems

• signature-based validation

signature-based validation

• role-based permissions

role-based permissions- Optimize contracts for:- Optimize contracts for:

• gas efficiency

gas efficiency

• scalability

scalability

• security

security- Integrate contracts with backend services and event-driven systems- Collaborate with backend and frontend teams on wallet flows and transaction logic- Conduct internal contract reviews and contribute to security best practices- Participate in architecture discussions for multi-chain infrastructure