Blockchain Developer

Remote

Employee

Software Development

Location: Remote/Flexible

Start Date: ~1 week from offer

Experience Level: Mid–Senior

Employment Type: Freelancer/Contract

Company Overview

Founded in 1989, they provide IT consulting and software development services. Clients respect them for unfailing budget and time control, cooperation transparency, and consistently high service quality.

About the Project

They are seeking a highly skilled Blockchain Developer to design, build, and integrate Web3 technologies. This role includes developing scalable services, contributing to front-end components, and supporting decentralized application workflows.

They maintain their platform with a strong focus on backend Node.js development and are looking for developers who actively use cryptocurrencies in their daily lives and trading, not just professionally. Hands-on experience with trading or other real-world crypto activities is essential, as it enables developers to identify and fix intricate issues when implementing blockchain technologies at the core of their platform.

Tasks

Day-to-Day Responsibilities

Build and maintain scalable microservices using Node.js, JavaScript, and REST APIs
Design and integrate blockchain-enabled backend services, including smart contract interactions and transaction workflows
Work with Web3 libraries (Ethers.js / Web3.js) to interact with blockchain networks and wallets
Contribute to front-end development using HTML, CSS, JavaScript, and TypeScript
Support monitoring dashboards and internal systems through backend workflows
Integrate blockchain APIs and decentralized services into existing platforms
Participate in Agile ceremonies including story refinement, estimation, standups, and retrospectives
Troubleshoot, test, and deliver clean, secure, and scalable code
Work proactively and independently with minimal supervision in a remote environment

Requirements

Must-Haves

3–5+ years of full-stack engineering experience
4+ years of Node.js experience (NVM, NPM)
4+ years of HTML, CSS, JavaScript
4+ years of cloud experience (AWS, GCP, or Azure)
2+ years working with SQL or NoSQL databases

1+ year experience with blockchain fundamentals, including:

Web3 concepts
Wallets and crypto transaction flows
Smart contract interaction

Hands-on experience integrating with:

Blockchain APIs
Web3 libraries
Decentralized or crypto-enabled systems
Experience working in an Agile environment (Jira or similar)

Nice-to-Haves

Experience with distributed systems
Experience with event-driven architecture
Exposure to Ethereum, Polygon, or other EVM-compatible blockchains
Familiarity with security best practices in blockchain applications

Benefits

Expected Compensation

Compensation: $65 +/hr via bank transfer or cryptocurrency(C2C)
Performance Bonus: Based on growth and revenue targets
Equity / Stock Options: Available for senior candidates
Benefits: Health insurance, paid time off, learning budget, flexible work arrangements (customize as applicable)

Interview Process