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Smart Contract Engineer

20 Best Smart Contract Engineer
Freelancers

to Hire
in 2023

Looking to hire Smart Contract Engineer freelancers with the perfect set of skills for your next project? Work with the world's best freelancing talent on Contra.

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Arman Stepanyan's avatar
Top Independent

Arman Stepanyan

Yerevan, Armenia

Full stack Web / AI / Blockchain developer

Constantin C.'s avatar

Constantin C.

Berlin, Germany

Expert Blockchain Developer and Consultant

nitesh ghuge's avatar

nitesh ghuge

Mumbai, Maharashtra, India

I am Web and Blockchain Developer

Gian Luca Rivera's avatar

Gian Luca Rivera

Guatemala

UI/UX designer, Front-end Developer

JIMOH HABEEB's avatar

JIMOH HABEEB

Nigeria

Mobile App, Game, Bot And Software Developer

Sheng Yu's avatar

Sheng Yu

Beijing, China

Full stack developer / Smart contract developer

Vishal Gupta's avatar

Vishal Gupta

Mumbai, Maharashtra, India

AWS Engineer with NodeJS & Fintech Exp

Tobiloba Omotade's avatar
Top Independent

Tobiloba Omotade

Lagos, Nigeria

Blockchain and Web Development Expert

Brijesh Vadukia's avatar

Brijesh Vadukia

India

Expert Flutter, Android & Blockchain Developer

Azhar Ali's avatar

Azhar Ali

Pakistan

Co-founder of AuditBlock, a Smart Contract auditor

Eugene Chiu's avatar

Eugene Chiu

Miami Beach, FL, USA

Full Stack Developer, Blockchain Developer

Jimish Parekh 's avatar

Jimish Parekh

Ahmedabad, Gujarat, India

Blockchain Developer|Smart Contract Engineer

Imam Abubakar's avatar

Imam Abubakar

Lagos, Nigeria

Improving the future, one project build at a time

Gautam Kumar's avatar

Gautam Kumar

Indore, Madhya Pradesh, India

Coding solutions for diverse needs

Tushali Jasoliya's avatar

Tushali Jasoliya

Surat, Gujarat, India

Mobile App Developer | React Native, Flutter, iOS

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Ryan Njoroge's avatar

Ryan Njoroge

Nairobi, Kenya

Full-stack developer with a keen eye to detail

Common projects for Smart Contract Engineers

Developing a Decentralized Application (DApp) on Ethereum or other blockchain platforms.

Creating a custom smart contract for an Initial Coin Offering (ICO).

Developing a smart contract for a Decentralized Finance (DeFi) project.

Auditing existing smart contracts for potential security vulnerabilities.

Creating a smart contract for a token swap or other cryptocurrency transactions.

Developing a blockchain-based voting system using smart contracts.

Tips for working with and hiring Smart Contract Engineers

Understand the blockchain technology

To make the most of hiring a smart contract engineer, you need to have a basic understanding of blockchain technology and smart contracts. This will help you communicate your project requirements effectively.

Define your project clearly

Ensure you have a clear understanding of what you want to achieve with the smart contract. This includes the functionalities, security features, and any specific blockchain platform you want your smart contract to be developed on.

Check their previous projects

Look at the past projects of the smart contract engineer to ascertain their expertise and ability to deliver on your project. Check how they have handled security issues, platform compatibility and other technical aspects in their previous projects.

Communicate through Contra

Use Contra's inbuilt communication tool for all your interactions with the freelancer. This ensures that all your conversations are tracked, making it easy to reference past discussions and decisions.

How to hire Smart Contract Engineers

Define your needs

Have a clear understanding of your project requirements. This includes the functionalities you want the smart contract to have and the blockchain platform it should be developed on.

Post a detailed job

Provide as much detail as possible about your project when posting a job on Contra. Include the project scope, required skills, and project timeline. The more detail you provide, the more likely you are to attract qualified Smart Contract Engineers.

Review applications

Review the applications and shortlist candidates based on their skills and experience. Look at their past projects and check if they have worked on similar projects.

Conduct interviews

Interview the shortlisted candidates. Ask them about their experience, the tools they use, and how they handle project challenges. This will help you assess their problem-solving skills and their ability to deliver on your project.

Make an offer

Once you've found the right candidate, make an offer through Contra. This includes the project details, payment terms, and timeline.

3 questions to ask when interviewing Smart Contract Engineers

1. Can you share some examples of smart contracts you have developed in the past?

2. What security practices do you follow when developing and testing smart contracts?

3. Are you familiar with the specific blockchain platform that our project is based on?

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Frequently asked
questions

A Smart Contract is a self-executing contract with the terms of the agreement directly written into code. They run on the blockchain and are triggered by specific conditions defined in the contract. This makes them transparent, traceable, and irreversible.

A Smart Contract is a self-executing contract with the terms of the agreement directly written into code. They run on the blockchain and are triggered by specific conditions defined in the contract. This makes them transparent, traceable, and irreversible.

A freelance Smart Contract Engineer is responsible for developing, testing, and deploying smart contracts on the blockchain. They can also audit existing contracts for security vulnerabilities and ensure they are compliant with established standards.

Hiring a Smart Contract Engineer on Contra gives you access to top freelance talent without the hassle of middlemen or commissions. You can review their portfolio, collaborate efficiently, and handle contracts and payments all in one place.

You can post a job on Contra detailing your project requirements. Smart Contract Engineers who match your requirements can then apply for the job. You can also browse through the profiles of Smart Contract Engineers and invite those you are interested in to apply.

Projects that require Smart Contract Engineering skills include development of Decentralized Applications (DApps), Initial Coin Offerings (ICOs), Decentralized Finance (DeFi) projects, token swaps, and blockchain-based voting systems, among others.

The cost of hiring a Smart Contract Engineer on Contra can vary based on the complexity of the project and the engineer's experience and skills. However, the average cost ranges from $30 to $59 per hour.

Smart Contract Engineers commonly use Solidity for developing smart contracts on Ethereum, Truffle for development environment, testing framework and asset pipeline, and Remix IDE for debugging.

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