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  • Junior Blockchain Developer: Portfolio Projects That Get You Hired

    Damon Whitney

    Member

    Updated: May 21, 2025
    Views: 1.1K

    What specific blockchain projects should I build to actually get hired as a junior blockchain developer? I feel stuck on what will really make my portfolio stand out to employers in this space.

    For context, I have a computer science background and some solid web development experience with JavaScript, React, and Node.js. Lately, I’ve been diving into blockchain development—mostly working with Ethereum, writing smart contracts in Solidity, and I’ve already built an ERC-20 token and a basic voting app on-chain.

    Now I’m not sure if I should double down on more complex DApps, try my hand at DeFi projects, or branch out to other blockchains like Solana or Polkadot.

    Also, are there any must-have tools or skills that companies expect from entry-level blockchain devs right now?

    I’d really appreciate any real-world advice from people who’ve landed their first blockchain job or have been on the hiring side. Thanks!

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  • Alex Dowling

    Member • 6mos

    Building a career as a junior blockchain developer requires practical skills and knowledge of current industry trends. Employers value hands-on experience with blockchain platforms and tools, as well as an understanding of decentralized applications.

    Start by mastering Solidity and Ethereum, as they are widely used. Expand your skills by learning platforms like Solana (using Rust) and Polkadot (using Substrate). Create projects that demonstrate practical use cases, such as token contracts (ERC-20, ERC-721, or ERC-1155), decentralized finance (DeFi) applications, or voting systems. Projects like decentralized exchanges or staking platforms highlight advanced skills and problem-solving abilities.

    Security knowledge is essential. Focus on secure smart contract development by learning about vulnerabilities like reentrancy and overflow attacks. Use tools such as OpenZeppelin libraries or MythX to audit and improve your code. This shows attention to detail and understanding of critical development practices.

    Learn Layer 2 solutions like Polygon or zk-rollups to address scalability challenges. Understanding IPFS for decentralized storage adds value, as these are common tools in blockchain projects. Employers often prioritize developers who can build efficient and scalable solutions.

    Participate in hackathons and contribute to open-source projects to showcase your expertise. Share technical write-ups or blog posts to explain your projects, which helps establish credibility. These activities also expand your network and connect you with industry professionals.

    By focusing on these skills and practical experience, you can build a strong foundation for a successful career as a junior blockchain developer.

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  • Naina Grehwal

    Member • 6mos

    I’d love to know where I can find information about upcoming hackathons to start participating. Are there any specific websites, social media groups, or forums you would recommend for staying updated on these opportunities?

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