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Best English-speaking freelance Solidity Engineers to hire in 2025

Looking to hire English-speaking Solidity Engineers for your next project? Browse the world’s best freelance Solidity Engineers on Contra.

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FAQs

How do I define the goals for my blockchain project?

First, understand the problem you want to solve with blockchain. Write down the main features and outcomes you expect. Make sure your goals are clear so the Solidity engineer knows what to build.

What technical skills should I look for in a Solidity engineer?

A good Solidity engineer knows Ethereum blockchain and smart contracts well. They should also understand programming languages like JavaScript, Python, or C++. Look for someone who knows about security in smart contracts.

How can I evaluate the past work of a Solidity engineer?

Ask to see their portfolio, which may have finished smart contracts or past projects. Check reviews or ratings from other clients. Think about the kind of projects they have worked on before and if they match your needs.

Why is communication important in hiring a Solidity engineer?

Communication helps make sure everyone understands the project goals. It is important to set up clear times to check in and discuss progress. Good communication helps everything run smoothly.

What should I include in the project description?

Mention the main tasks and goals of the project. Share any specific requirements or technologies that need to be used. Be as detailed as possible to help the Solidity engineer understand what you are looking for.

How can I manage expectations when hiring a Solidity engineer?

Talk about timelines and important deadlines from the start. Make a list of deliverables and share it with the engineer. Agree on what success looks like to avoid confusion later.

What tools can help track a Solidity project’s progress?

Many people use project management tools like Trello or Asana to keep track of tasks. Version control systems like GitHub are also good for checking the code changes. Regular updates and meetings can help you see if the project is on track.

How important is it to discuss security in smart contracts?

It's very important because security issues can lead to big problems. Talk about potential risks and how the engineer plans to avoid them. Make sure the engineer includes tests for security in their work plan.

What background knowledge should I share with the Solidity engineer?

Provide any relevant details about your business or project goals. Share the overall vision and purpose of the project. The more information they have, the better they can tailor their work to fit your needs.

How do I finalize a work agreement before starting the project?

Write down the project terms, including timelines and deliverables. Make sure both you and the engineer agree on the work scope. This helps prevent misunderstandings and keeps everything clear.

Who is Contra for?

Contra is designed for both freelancers (referred to as "independents") and clients. Freelancers can showcase their work, connect with clients, and manage projects commission-free. Clients can discover and hire top freelance talent for their projects.

What is the vision of Contra?

Contra aims to revolutionize the world of work by providing an all-in-one platform that empowers freelancers and clients to connect and collaborate seamlessly, eliminating traditional barriers and commission fees.

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Sheng Yu
PROBeijing, China
$10k+
Earned
14x
Hired
5.0
Rating
10
Followers
FRAMER_EXPERT

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Unnikrishnan R
Thiruvananthapuram, India
$1k+
Earned
3x
Hired
5.0
Rating
3
Followers
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Augustus Chukwu
Dubai - United Arab Emirates
$10k+
Earned
5x
Hired
5.0
Rating
1
Followers
BUILDSHIP_EXPERT

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Hira Saleem
United Arab Emirates
1x
Hired
5.0
Rating
1
Followers
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PROChicago, USA
5.0
Rating
3
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