Senior DeFi Blockchain Engineer — Remote

ProcureFlow; Batam; Remote; IDR 2,170,767,000 - 3,256,151,000; Full time

Benefits offered by this job

Competitive salary

Health insurance

Generous PTO

Professional development

Remote-friendly

Equity opportunities

Cutting-edge tech

Job summary

ProcureFlow is seeking a Senior Blockchain Developer to design, develop, and deploy secure DeFi-focused smart contracts with Solidity. This remote-first role enables shaping scalable solutions across EVM-compatible chains while collaborating with a global team.

You will build dApps, review code for security, optimize performance and costs, and stay ahead of DeFi innovations. A strong background in blockchain fundamentals, cryptography, and Web3 libraries is required for remote collaboration.

Qualifications

• Bachelor's or Master's in Computer Science, Engineering, or related field, or equivalent practical experience.
• Minimum of 5 years of professional software development experience, with at least 3 years focused on blockchain development.
• Proficiency in Solidity is mandatory; experience with Vyper or Rust is a plus.
• Hands-on experience deploying smart contracts on major EVM-compatible blockchains (Ethereum, BSC, Polygon).
• Strong understanding of blockchain fundamentals, consensus mechanisms, and cryptography.
• Experience with DeFi protocols, concepts, and tools.
• Familiarity with Web3 libraries (Web3.js, Ethers.js) and development frameworks (Truffle, Hardhat).
• Proficiency in JavaScript, Python, or Go.

Responsibilities

• Design, develop, and deploy secure Solidity smart contracts.
• Architect and build dApps on leading blockchain platforms.
• Integrate blockchain solutions with existing systems and APIs.
• Conduct code reviews and identify vulnerabilities; implement security best practices.
• Optimize smart contracts and protocols for performance and cost.
• Collaborate with product managers, designers, and engineers to define requirements.
• Stay updated on blockchain tech and DeFi trends.
• Troubleshoot production issues.

Skills

Solidity

Web3.js

Ethers.js

Smart contract security

JavaScript

Go

Education

Bachelor's or Master's in CS or related

Tools

Hardhat

Truffle

Web3.py

Ethereum

Binance Smart Chain

Polygon

Job description

ProcureFlow is seeking a Senior Blockchain Developer to design, develop, and deploy secure DeFi-focused smart contracts with Solidity. This remote-first role enables shaping scalable solutions across EVM-compatible chains while collaborating with a global team.

You will build dApps, review code for security, optimize performance and costs, and stay ahead of DeFi innovations. A strong background in blockchain fundamentals, cryptography, and Web3 libraries is required for remote collaboration.