(JD) Blockchain Developer / Hybrid - Makati

EPS Consultants

Makati City, Metro Manila, Philippines Hybrid permanent

Posted: June 27, 2025

Job Description

Work Arrangement: Hybrid (At least once a week, reporting on site); Office Location: Ayala Avenue cor. V.A. Rufino Street, Legaspi Village, Makati City
Work Schedule: Monday to Friday (Day Shift)
Work Engagement: Permanent (Consultant Arrangement)

About the role:

• Our client, the largest technology holding company in the Philippines and one of the largest in Southeast Asia, is seeking a Blockchain Developer (Consultant Arrangement) who can architect, build, and deploy sophisticated smart contracts across multiple blockchain networks. In this role, you will have extensive experience with various smart contract methodologies and cross-chain development.

Key Responsibilities:

• Design, develop, and deploy production-grade smart contracts across multiple blockchain networks (EVM-compatible chains and Solana).
• Implement various smart contract methodologies, including staking, token vesting, liquidity pools, lending protocols, governance mechanisms, and NFT marketplaces.
• Develop and maintain scalable, gas-efficient, and secure decentralized applications (dApps).
• Create comprehensive testing frameworks for smart contracts, including unit tests, integration tests, and security audits.
• Optimize smart contracts for gas efficiency, security, and upgradeability.
• Build and maintain middleware services to connect on-chain data with front-end applications.
• Collaborate with product teams to translate business requirements into technical specifications.
• Contribute to architectural decisions regarding blockchain infrastructure.

Requirements:
• At least 3+ years of experience developing and deploying smart contracts to production environments.
• Expert-level proficiency in Solidity and experience with at least one other smart contract language (Rust for Solana preferred).
• Demonstrated experience deploying contracts on multiple networks, including:
• EVM-compatible chains (Ethereum, Polygon, Arbitrum, Optimism, BNB Chain)
• Solana ecosystem

• Strong understanding of different smart contract patterns and methodologies:
• Staking and reward distribution mechanisms
• Token vesting and locking contracts
• AMM and liquidity provision contracts
• NFT minting and marketplace protocols
• DAO governance structures

• Proficiency with development frameworks and tools:
• Hardhat, Truffle, Foundry for EVM development
• Anchor for Solana development
• OpenZeppelin Contracts and libraries

• Experience with Web3 integration libraries (ethers.js, web3.js, @solana/web3.js)
• Familiarity with third-party blockchain infrastructure providers:
• RPC providers (Alchemy, Infura, QuickNode, Helius)
• Blockchain data indexers (The Graph, Dune Analytics)
• Oracle services (Chainlink, Pyth, AppsToken)
• Price feeds (CoinGecko API, CoinMarketCap API)

• Working knowledge of front-end technologies (React, TypeScript) and back-end services (Node.js, GraphQL).
• Experience with blockchain development testing tools (Waffle, Chai, Mocha).
• Understanding of cryptographic principles and security best practices.

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