Senior Blockchain Engineer
Full-time
UseBlocky
About UseBlocky
At UseBlocky, we are a team of creatives and technologists constantly exploring innovative ideas and building impactful digital products. As a full-service creative agency specializing in Blockchain, Web3 Development, Design, Web & Mobile Development, and Marketing, we help businesses launch, scale, and succeed in the evolving digital landscape.
We are looking for a Senior Blockchain Engineer who is passionate about decentralized technologies and enjoys building secure, scalable, and innovative blockchain solutions.
Role Overview
As a Senior Blockchain Engineer, you will be responsible for designing, developing, testing, and deploying blockchain-based applications and smart contracts. You will collaborate with product managers, designers, and developers to create decentralized solutions that deliver real business value for our clients.
You should have strong experience with blockchain protocols, smart contract development, security best practices, and modern Web3 technologies.
What you'll do:
- Design, develop, and deploy smart contracts for blockchain applications.
- Build and maintain decentralized applications (dApps).
- Develop and integrate blockchain APIs, wallets, and Web3 infrastructure.
- Conduct smart contract testing, auditing, and security reviews.
- Optimize blockchain solutions for performance, scalability, and gas efficiency.
- Collaborate with frontend and backend developers to integrate blockchain functionality.
- Participate in architecture discussions and technical decision-making.
- Monitor deployed smart contracts and blockchain systems.
- Research emerging blockchain technologies, protocols, and industry trends.
- Document technical specifications, workflows, and implementation details.
- Troubleshoot and resolve blockchain-related issues in production environments.
What we look for in you:
- 5+ years of software development experience.
- 3+ years of blockchain development experience.
- Strong proficiency in Solidity and smart contract development.
- Experience with Ethereum and EVM-compatible blockchains.
- Familiarity with , , or similar libraries.
- Strong understanding of blockchain architecture, consensus mechanisms, and cryptography fundamentals.
- Experience using Hardhat, Foundry, Truffle, or similar development frameworks.
- Proficiency in JavaScript/TypeScript.
- Experience with Git and modern software development workflows.
- Strong debugging, problem-solving, and analytical skills.
What We Offer
- Competitive Compensation — Attractive salary package with performance-based incentives.
- Remote-First Flexibility — Work from anywhere with flexible hours and a focus on outcomes rather than schedules.
- Professional Growth — Annual learning budget for certifications, courses, conferences, and blockchain-related training.
- Modern Equipment & Home Office Support — Company-provided hardware and support for an efficient remote workspace.
- Generous Paid Time Off — Flexible vacation policy that encourages work-life balance.
Pay Transparency Notice
Base salary varies by location (see range below). Total compensation may also include equity and bonus eligibility, and benefits (medical, dental, vision, 401(k)).
Exceptional candidates may be considered above the stated range. Additional performance-based incentives may be available.
Annual base salary range (excluding equity and bonus): $160,000 - $240,000 USD
How to Apply
Interested candidates can apply by submitting their CV, GitHub profile, and relevant blockchain project experience to
Vacancy posted more than 2 months ago
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