Role in brief
UseBlocky is seeking a Senior Blockchain Engineer to develop smart contracts and dApps for DeFi, tokenized real estate, and Web3 products. This role involves full-stack blockchain development, from contract design to integration, and requires strong expertise in Solidity and Node.js. It's ideal for experienced developers who thrive in a fast-paced, remote environment and want to contribute to real-world blockchain utility.
About the role
As a Senior Blockchain Engineer, you will be responsible for the full lifecycle of blockchain product development, focusing on decentralized finance, tokenized real estate, and broader Web3 infrastructure. This includes designing, developing, and maintaining smart contracts, as well as integrating decentralized applications across various layers. You will contribute to the technical architecture and ensure solutions are scalable and secure.
The role involves actively collaborating with product managers, designers, and other engineers to bring new features from initial concept to successful launch. You will also play a part in upholding engineering best practices, reviewing code, and mentoring team members. Success in this position means delivering robust, performant, and secure blockchain applications that provide tangible utility.
Key responsibilities extend to optimizing smart contract performance and gas efficiency, participating in technical planning, and engaging in system design discussions. You will also monitor production systems and stay current with the rapidly evolving blockchain landscape. This position is suited for someone who can drive development while contributing to the team's overall technical growth and product vision.
The salary for this position ranges from $250,000 to $300,000 annually.
Skills that matter here
- Smart Contracts: You will design, develop, and maintain smart contracts for production blockchain applications.
- Solidity: This role requires strong expertise in Solidity for smart contract development.
- Ethereum: You will build applications on Ethereum and other EVM-compatible networks.
- Node.JS: Proficiency with Node.js is essential for backend API development and dApp integration.
- Blockchain Security: You will optimize smart contract security and potentially engage in blockchain security practices.
Who this role suits
- Someone with a proven track record of at least three years in hands-on blockchain development.
- A developer who is adept at working across the full stack of decentralized applications, from smart contracts to backend APIs.
- An individual who values contributing to engineering best practices and mentoring peers.
- A professional who can thrive in a remote setting while maintaining strong communication and problem-solving skills.
From the employer
What You'll Do
- Design, develop, and maintain smart contracts for production blockchain applications.
- Build and integrate decentralized applications (dApps) across frontend, backend, and blockchain layers.
- Architect scalable solutions for DeFi, tokenization, and Web3 platforms.
- Collaborate with product managers, designers, and engineers to deliver new features from concept to launch.
- Review code, mentor team members, and help establish engineering best practices.
- Optimize smart contract performance, gas efficiency, and security.
- Participate in technical planning, system design, and roadmap discussions.
- Monitor and troubleshoot production systems when needed.
- Stay current with blockchain technologies, protocols, and industry trends.
Required Qualifications
- 5+ years of professional software development experience.
- 3+ years of hands-on blockchain development experience.
- Strong expertise in Solidity and smart contract development.
- Experience building applications on Ethereum and EVM-compatible networks.
- Proficiency with JavaScript and TypeScript.
- Strong experience with Node.js and backend API development.
- Experience working with React and modern Web3 frameworks.
- Deep understanding of blockchain architecture, wallet integrations, transactions, and token standards.
- Experience with Git, CI/CD pipelines, and cloud-based deployment environments.
- Strong problem-solving skills and attention to detail.
- Excellent communication skills and ability to work effectively in a remote environment.
Preferred Qualifications
- Experience building DeFi protocols, DEXs, lending platforms, or staking systems.
- Familiarity with Layer 2 networks and cross-chain technologies.
- Experience with smart contract auditing and blockchain security practices.
- Knowledge of Docker, Kubernetes, AWS, or other cloud infrastructure.
- Experience with blockchain indexing solutions and event-driven architectures.
- Contributions to open-source projects are a plus.
- Previous startup experience is highly valued.
Questions about this role
What is the remote work policy for this role?
This is a fully remote position.
What level of seniority is expected for this position?
This is a senior-level role, requiring significant professional and blockchain development experience.
What are the core technical skills required?
Key technical skills include strong expertise in Solidity, Ethereum, Node.js, and general blockchain development, along with experience in smart contract design and dApp integration.