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Application deadline: 4 weeks

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Backend Engineer — Core Protocols

Hyperliquid • FULL_TIME • NA

Job description

Hyperliquid is seeking a highly capable Backend Engineer to contribute to the foundation of our Layer 1 protocol. You’ll be working on deeply technical systems—ranging from consensus and execution (HyperCore and HyperEVM) to API/RPC infrastructure—and building performant primitives for next-generation decentralized finance.Your Role:Architect, develop, and refine multiple layers of the...

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Application deadline: 4 weeks

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Innovation Researcher – Web3, Rust, and Corporate Development

Keyrock • FULL_TIME • NA

Job description

About the CompanySince 2017, Keyrock has been reshaping the digital asset economy through its advanced trading infrastructure and research-driven innovation. Today, the company operates across 80+ exchanges and supports both institutional and DeFi ecosystems with liquidity and algorithmic trading solutions.With a global, remote-first team of over 180 professionals spanning 40+...

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Application deadline: 4 weeks

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Senior Rust Engineer (Remote)

Zircuit • FULL_TIME • NA

Job description

We’re looking for a Senior Rust Engineer who’s ready to play a pivotal role in shaping next-generation blockchain infrastructure. In this position, you’ll be directly involved in designing, building, and scaling core systems that power decentralized technologies. This is a hands-on engineering role with strong emphasis on ownership, technical depth,...

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Application deadline: 4 weeks

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Senior Full Stack Engineer (Remote)

Zircuit • FULL_TIME • NA

Job description

Zircuit is hiring a Senior Full Stack Engineer to develop and maintain decentralized applications (DApps) that bridge AI and blockchain. You will work across the full technology stack, ensuring security, scalability, and performance in production-grade systems.ResponsibilitiesDesign, build, and optimize DApps using modern web and blockchain frameworks.Develop and maintain APIs, databases,...

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BlockchainMentorYagiz

@BlockchainMentor • 5h

Layer-2 Solidity Interview: Efficient Event Logging Without Burning Gas

I ran into a tricky question during a Smart Contract Developer interview yesterday — about how to optimize event logging on Layer-2 chains without wasting gas.I explained the basics of...

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Olivia Smith

@SmartOlivia • 5h

How do you explain your smart contract debugging process in interviews?

I’m preparing for a Smart Contract Developer interview and honestly, I always stumble when they ask, “How do you debug contracts?”In web2, debugging was easy — console logs, stack traces,...

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Shehnaz Hussain

@shehnaz • 6h

Threat modeling for juniors — do you test assumptions before they break?

Threat modeling sounds like something only senior auditors do, but every junior should start there. Even a simple question like “Who controls msg.sender?” can change how you code. I used...

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ChainSavant

@ChainSavant • 6h

Handling Production Incidents as a Junior Solidity Engineer — How Do You Stay Calm When Smart Contracts Break?

Last week, I faced my first real production incident — a smart contract function stopped behaving correctly after an upgrade. 😓 As a junior Solidity developer, I froze for a...

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Web3Learner_Abaz

@Web3LearnerAbaz • 10h

Gas optimization panic — how much should juniors care during interviews?

Gas questions freeze my brain every time 😅. I panic and start saying random things like “Use unchecked blocks?” and later regret it. But what do interviewers actually expect from...

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ChainMentorNaina

@ChainMentorNaina • 17h

Struggling to understand initializer guards and storage conflicts in upgradeable smart contracts — how do you handle them?

Upgradeable contracts feel like a superpower… until you break storage or forget an initializer guard 😅. Every tutorial says “use UUPS or Transparent Proxy,” but they rarely explain why these...

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Abasi T

@ggvVaSO • 17h

Need Help Hardhat debugging mistakes juniors repeat — logs vs state assumptions

I’ve started building my first few smart contracts and use Hardhat for testing. But every time something fails, I just keep adding console.log everywhere until it magically works. It feels...

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Arif

@ofh3VYy • 23h

Looking for a quick resume roast for blockchain dev roles

Goal: Junior Smart Contract Engineer / Blockchain DeveloperSpecific Question: From your experience, what's the #1 thing missing from my resume for a role like this?All feedback welcome!

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Web3Learner_Abaz

@Web3LearnerAbaz • 1d

Transitioning from Web2 Backend Developer to Smart Contract Engineer: Where Should I Start?

After four years building scalable APIs, I feel ready to move into blockchain development — but it’s intimidating. In Web2, we “move fast and fix later.” In Web3, one careless...

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Emma T

@5INFFa4 • 1d

How do you explain reentrancy in interviews without sounding like you memorized it?

I keep practicing smart contract interview questions, and reentrancy comes up every time.I can say the rule: “Do Checks-Effects-Interactions.”But when they ask why the order matters, I struggle to explain...

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Andria Shines

@ChainSage • 1d

Struggling with Hardhat debugging — am I missing something beyond console.log? 🤔

I’ve started building my first few smart contracts and use Hardhat for testing. But every time something fails, I just keep adding console.log everywhere until it magically works. It feels...

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