How do I prepare for an interview for the Blockchain Developer role at TopSkill.io?

Focus on reviewing smart contract development, blockchain tools like Truffle, and dApp integration techniques. Brush up on consensus mechanisms and cryptography fundamentals to confidently answer technical questions.

What are the key technical skills required at TopSkill.io for a Blockchain Developer?

Candidates should be skilled in Solidity, Vyper, and experienced with Ethereum based protocols. Familiarity with blockchain frameworks and security practices is also essential.

What makes the Blockchain Developer role at TopSkill.io unique?

The role offers remote work in a mission-driven, high-impact environment, focusing on real-world blockchain applications across finance and supply chain industries.

Want to get hired at Topskill.io?

This job post expired on November 12, 2025

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Blockchain Developer

Topskill.io

HybridHybrid

Original Job Summary

About TopSkill.io

TopSkill.io is a remote-first talent platform connecting companies with top engineers, AI experts, and designers. We focus on speed, quality, and trust — delivering pre-vetted professionals supported by coaching, operations, and technology.

Blockchain Developer Role

As a Blockchain Developer at TopSkill.io, you will build and maintain blockchain-based applications and smart contracts. You will develop decentralized applications (dApps), implement smart contract logic, and integrate blockchain platforms into our systems.

Key Responsibilities

Develop, test, and deploy smart contracts using Solidity or Hyperledger Fabric.
Build dApps that interact with blockchain networks and integrate data with other systems.
Research and implement consensus algorithms and blockchain frameworks.
Ensure security of blockchain transactions.

Requirements

2+ years of software development experience with at least 1 year focused on blockchain.
Proficiency in smart contract development (Solidity, Vyper) and familiarity with Ethereum, Polygon, Binance Smart Chain, etc.
Understanding of cryptographic fundamentals, tokens/coins, and blockchain architecture.
Experience with blockchain tools like Truffle, Hardhat, Web3.js/Ethers.js.

Why Join Us?

Enjoy remote work with flexible hours, high-impact roles with global clients, competitive pay, equity & growth, and a collaborative, mission-driven community.

Key skills/competency

Blockchain
Solidity
Smart Contracts
dApp Development
Ethereum
Web3
Cryptography
Hyperledger
Consensus
Remote

How to Get Hired at Topskill.io

🎯 Tips for Getting Hired

Customize Resume: Tailor skills for blockchain and dApp development.
Highlight Experience: Showcase blockchain projects and smart contract work.
Research TopSkill.io: Understand company mission and tech focus.
Prepare for Technical Questions: Review Solidity, consensus, and cryptography basics.

📝 Interview Preparation Advice

Technical Preparation

Review Solidity coding and smart contract patterns.

Practice dApp integration using Web3 libraries.

Study blockchain consensus and cryptographic principles.

Test deployments using Truffle and Hardhat.

Behavioral Questions

Describe your remote work setup.

Explain teamwork in decentralized projects.

Discuss handling project deadlines effectively.

Share problem-solving examples in past roles.

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Our Al will adapt your resume for TopSkill.io's hiring patterns and similar Blockchain Developer roles.