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Last Update Last Updated: January, 2026

BlockChain Engineer

Blockchain and Cryptography.

Middle
Upper-Intermediate English

Required Skills

Blockchain
Blockchain

Nice to Have

Summary

We are seeking a skilled Blockchain & Web3 Engineer to support the development of decentralized applications and blockchain-based solutions. This role involves hands-on engineering, system design, and collaboration with cross-functional teams to build secure, scalable, and efficient Web3 platforms. The ideal candidate has strong blockchain fundamentals, practical development experience, and the ability to communicate complex technical concepts clearly.

Key Responsibilities

Blockchain & Web3 Development

Design, develop, test, and optimize smart contracts and decentralized applications (dApps).

Contribute to the architecture of secure, scalable, and high-performance Web3 systems.

Work with blockchain platforms and protocols to implement decentralized solutions.

Collaboration & Integration

Collaborate with engineering, product, and research teams to integrate blockchain technologies into broader systems.

Provide technical insights and recommendations to improve system efficiency and reliability.

Continuous Learning

Stay up to date with emerging trends in blockchain, Web3, DeFi, and distributed systems.

Evaluate new tools, frameworks, and protocols for potential adoption.

Required Skills & Qualifications

Bachelor’s degree in Computer Science, Engineering, or a related field.

3+ years of hands-on experience in blockchain and Web3 engineering.

Strong experience with smart contract development (e.g., Solidity, Rust, or similar languages).

Proficiency with dApp frameworks, blockchain tooling, and development environments.

Solid understanding of blockchain fundamentals, including decentralization principles.

Strong analytical and problem-solving skills with attention to detail.

Excellent written and verbal communication skills.

Ability to work independently in a remote, distributed environment.

Are you a talented developer looking for a remote job that lets you show your skills and get decent compensation? Join Upstaff.com, a platform that connects you with hand-picked startups and scale-ups in the US and Europe.

Not your tech stack?

Join the Upstaff community and we are looking for the best project for you. Be ready for the next steps:

  • Create your profile on our website (import from LinkedIn)
  • 20-30-minute screening call
  • Technical interview
  • Feedback
  • Project Selection (we are looking for the best project for you).

We work with developers from 50+ countries in different regions: Europe, LATAM, the U.S. (W-9 form owners), Canada, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), and the the UK.

  • We don’t have a legal and ethical basis to accept applicants from the following countries: Russia, Belarus, Iran, North Korea
  • We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.
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