Hire Smart Contract Developers
Discover top-tier Smart Contract Developers with Lupa. Hire Latin American talent for 70% less. Full remote setup in 21 days. Effortless, efficient, effective.














Hire Remote Smart Contract Developers


Diego is a seasoned developer from Mexico, mastering Go, Node.js, React, and AWS.
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Meet Daniela, a developer from Ecuador. 5 years in, she’s your go-to for Angular, React, and more.
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Valentina transforms code into seamless solutions. Your go-to for all things dev.
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João is a skilled developer from Brazil, mastering Python, APIs, and SQL with flair.
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Mariana's your go-to dev with 8 years in Java, Docker, Python, Kubernetes, and CSS.
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"Over the course of 2024, we successfully hired 9 exceptional team members through Lupa, spanning mid-level to senior roles. The quality of talent has been outstanding, and we’ve been able to achieve payroll cost savings while bringing great professionals onto our team. We're very happy with the consultation and attention they've provided us."


“We needed to scale a new team quickly - with top talent. Lupa helped us build a great process, delivered great candidates quickly, and had impeccable service”


“With Lupa, we rebuilt our entire tech team in less than a month. We’re spending half as much on talent. Ten out of ten”

Smart Contract Developer Skills
Blockchain Platforms
Expertise in Ethereum, Binance Smart Chain, or Polkadot for developing decentralized applications.
Smart Contract Languages
Proficient in Solidity, Vyper, or Rust for writing, testing, and deploying smart contracts.
Security and Auditing
Implement best practices for contract security and conduct thorough audits to prevent vulnerabilities.
Decentralized Applications (DApps)
Skillful in creating front-end and back-end components for blockchain-based applications.
Ethereum Standards
Knowledge of ERC standards like ERC-20, ERC-721, and ERC-1155 for token development.
Testing and Debugging
Utilizing tools such as Truffle and Hardhat to test and debug smart contracts effectively.
Smart Contract Developer Soft Skills
Communication
Clearly explain complex smart contract concepts to non-technical stakeholders and team members.
Problem Solving
Craft innovative and secure solutions for blockchain challenges and unexpected issues.
Collaboration
Work seamlessly with developers, testers, and stakeholders to ensure smart contract success.
Adaptability
Stay agile in a rapidly evolving blockchain landscape and adjust to new developments quickly.
Time Management
Prioritize and manage project deadlines efficiently while handling multiple tasks.
Attention to Detail
Meticulously scrutinize code to ensure reliability and eliminate vulnerabilities in smart contracts.
How to Hire Smart Contract Developers with Lupa
Unlock the potential of your team with Lupa. Whether you need a Remote Recruiting firm or efficient Staffing services, we have you covered. Our comprehensive RPO Solutions seamlessly integrate into your HR processes, ensuring you find the right talent quickly and efficiently.
Together, we'll create a precise hiring plan, defining your ideal candidate profile, team needs, compensation and cultural fit.
Our tech-enabled search scans thousands of candidates across LatAm, both active and passive. We leverage advanced tools and regional expertise to build a comprehensive talent pool.
We carefully assess 30+ candidates with proven track records. Our rigorous evaluation ensures each professional brings relevant experience from industry-leading companies, aligned to your needs.
Receive a curated selection of 3-4 top candidates with comprehensive profiles. Each includes proven background, key achievements, and expectations—enabling informed hiring decisions.
Top candidates ready for your assessment. We handle interview logistics and feedback collection—ensuring smooth evaluation. Not fully convinced? We iterate until you find the perfect fit.
We manage contracting, onboarding, and payment to your team seamlessly. Our partnership extends beyond hiring—providing retention support and strategic guidance for the long-term growth of your LatAm team.
How to Write an Effective Job Post for Hiring Smart Contract Developers
Recommended Titles
- Blockchain Developer
- Decentralized App (DApp) Developer
- Full Stack Developer
- Blockchain Architect
- Smart Contract Auditor
- Web3 Developer
Role Overview
- Tech Stack: Experienced in Solidity, Vyper, Ethereum, and Chainlink
- Project Scope: Design, develop, and deploy secure smart contracts; collaborate with auditors for code reviews
- Team size: Work within a dynamic team of 7 blockchain experts
Role Requirements
- Years of Experience: At least 3 years in blockchain development
- Core Skills: Strong understanding of smart contract security; proficient in code optimization
- Must-Have Technologies: Expertise in Solidity, Truffle, and Hardhat
Role Benefits
- Salary Range: Competitive range based on skills, $90,000 - $130,000
- Remote Options: Flexible remote work with opportunities for global collaboration
- Growth Opportunities: Access to blockchain conferences and internal training
Do
- State the compensation package and perks
- Detail the essential expertise and credentials
- Convey the organization’s ethos and principles
- Emphasize potential for advancement
- Employ clear and captivating wording
Don't
- Don't use generic job titles.
- Don't skip essential qualifications.
- Don't clutter with jargon.
- Don't exclude project details.
- Don't hide growth opportunities.
Top Smart Contract Developer Interview Questions
Essential questions for evaluating Smart Contract Developers
What experience do you have with Solidity and smart contract development?
Look for candidates who have practical experience writing and deploying smart contracts using Solidity. Experience on Ethereum or other blockchain platforms is a plus.
How do you ensure the security of your smart contracts?
Candidates should mention practices like code reviews, using established libraries, and auditing processes. Awareness of common vulnerabilities like reentrancy is important.
Can you explain a complex smart contract you’ve worked on?
Seek candidates who can clearly articulate their development process, challenges faced, and how they overcame them. This shows problem-solving skills and depth of understanding.
What tools and frameworks do you use for smart contract testing?
Look for familiarity with tools like Truffle, Hardhat, or Remix, and the use of unit tests and test networks. Testing is critical in smart contract development.
How do you stay updated with the latest advancements in blockchain technology?
Candidates who follow developments in the blockchain ecosystem, participate in community discussions, or contribute to open-source projects show a proactive approach to learning and adapting.
Can you describe a time when you encountered a complex problem with a smart contract and how you approached solving it?
Look for evidence of structured problem-solving skills. The candidate should demonstrate their ability to break down a complex issue into smaller parts, prioritize tasks, and systematically address each part while ensuring the solution is efficient and secure.
Smart contracts are designed to be deterministic and predictable. How do you handle unexpected behavior in a deployed contract?
The candidate should explain their approach to debugging, such as leveraging logging mechanisms or simulation environments. Their response should also highlight their ability to remain calm and use methodical analysis to find the root cause of issues.
When optimizing smart contracts for gas efficiency, what trade-offs do you consider, and how do you decide on the best solution?
A strong candidate will discuss their approach to balancing contract functionality, readability, and efficiency. They should show an understanding of how optimizing for gas might affect security or introduce complexity.
Tell me about a difficult technical decision related to smart contract development you had to make. What was your process?
The answer should reflect the candidate’s ability to weigh different options, consider long-term implications, and collaborate with team members if necessary. They should highlight how they apply logic and experience to make informed choices.
How do you ensure that the smart contracts you develop are resilient to potential future issues, such as scalability or compatibility?
Look for indications of foresight in their development approach. A solid answer will include practices such as code modularity, extensive testing, using upgradeable patterns, and awareness of emerging technological trends.
Can you describe a time when you collaborated successfully with a team on a challenging project?
Look for examples of clear communication, mutual respect, and effective problem-solving. The candidate should demonstrate how they leveraged team strengths to overcome obstacles.
How do you handle conflicts within a team, especially in high-pressure situations?
The candidate should show a preference for resolving issues through communication and compromise, demonstrating maturity and the ability to maintain a positive team dynamic.
Tell me about a time when you had to lead a project or team. How did you motivate and guide your team?
Look for leadership qualities such as confidence, decisiveness, empathy, and the ability to inspire others. The candidate should have strategies for keeping the team engaged and productive.
How do you manage stress, especially when facing tight deadlines or unexpected challenges?
The candidate should exhibit resilience and effective stress management techniques. Look for a proactive approach to prioritizing tasks and maintaining focus under pressure.
Describe how you ensure clear and effective communication within a team working on a complex smart contract project.
Effective communication is key. The candidate should articulate methods for ensuring team members understand project goals, roles, and timelines, minimizing misunderstandings or errors.
- Poor Communication Skills
- Inability to Receive Feedback
- Lack of Problem-Solving Ability
- Consistently Missing Deadlines
- Unwillingness to Learn

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Recruiting
Our recruiting team delivers pre-vetted candidates within a week. Not the perfect match? We iterate until you're satisfied. You control hiring and contracts, while we provide guidance.

Staffing
Our recruiters deliver pre-vetted remote talent in a week. You select the perfect candidate, we manage onboarding, contracts, and ongoing payroll seamlessly.

RPO
Our RPO services deliver flexible talent solutions. From targeted support to full-cycle recruitment, we adapt and scale to meet your hiring goals while you focus on strategic growth.
