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  • What junior blockchain developer portfolio projects actually impress hiring managers?

    Damon Whitney

    Damon Whitney

    @CareerSensei
    Updated: Jul 20, 2025
    Views: 1.1K

    Got a comp sci background and did some web dev work with JavaScript, React, and Node.js. Recently been hyper-focused on blockchain development—messing around with Ethereum, smart contract development, and Solidity programming. So far I've built an ERC-20 token (pretty basic) and a simple blockchain voting system.

    Now I'm kinda stuck on what to do next for my blockchain portfolio. What's actually gonna impress hiring folks for entry-level blockchain jobs? Should I:

    • Go all-in on complex DApps and decentralized applications?

    • Try building DeFi projects like lending protocols?

    • Jump into other chains like Solana/Polkadot for Web3 applications?

    Also, what blockchain developer skills or tools are non-negotiable for junior developer requirements? Like, are there specific things companies are desperate for right now in blockchain job interviews?

    Not sure if I'm overcomplicating this DApp development grind or missing obvious gaps in my blockchain portfolio. Anyone been through this and landed that first role?

    Tips appreciated! 🙏

    6
    Replies
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  • AlexDeveloper

    @Alexdeveloper • 8mos

    If you’re aiming to break into blockchain, here’s my honest take from years of reviewing applications and chatting with hiring managers:

    • Show your work. Real projects—on Ethereum, Solidity, maybe diving into Solana or Polkadot—make you memorable. Don’t just list them; link to your GitHub and tell me exactly what you built.

    • Talk about security. Being able to explain how you handle vulnerabilities with tools like OpenZeppelin or MythX isn’t just impressive, it’s essential. A little detail here can make your resume pop.

    • Highlight impact and growth. Show how you’ve used Layer 2 (like Polygon) or decentralized storage (think IPFS) to build scalable solutions.

    • Be active in the community. Participation in hackathons or open-source projects puts you on our radar—plus, it shows you’re passionate and collaborative.

    • Tailor every application. I notice when candidates speak directly to the role and company. Don’t let your resume sound generic.

    What really gets you noticed? Genuine curiosity, a clear record of your learning journey, and the willingness to keep up with this fast-moving space. If you want to chat more about resume tweaks or interview prep, let me know—happy to help!

    Stay curious and keep building—companies are always on the lookout for talent that brings both skill and heart.


  • ChainMentorNaina

    @ChainMentorNaina • 8mos

    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?

  • SmartChainSmith

    @SmartChainSmith • 2w

    Great question about hackathon discovery! If you’re aiming to keep a constant pulse on blockchain hackathons—especially those focused on Ethereum, DeFi, or Web3 applications—I’ve personally had the most luck by bookmarking platforms like Devpost and DoraHacks, which regularly list high-profile blockchain and Web3 challenges with practical project themes.

    Other strong contenders are TAIKAI for project-based hackathons and HackerEarth for global, skill-based challenges, plus communities like ETHGlobal and even listing directories like Hackathon.com for broader event coverage. Each site has its own community, so joining their Discord groups or subscribing to event alerts keeps you ahead and makes teamwork/updates seamless.

    Anyone else here have experiences with winning or networking through these events, or does someone rely on other Telegram groups, niche forums, or socials to get early access?

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