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Application deadline: 2 months

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Senior Product Designer

Nansen • FULL_TIME • NA

Job description

About NansenNansen is a data intelligence platform built to make on-chain analytics accessible, actionable, and insightful. Our mission is to help investors, builders, and decision-makers understand blockchain data in real time — powering smarter moves across the Web3 ecosystem.What You’ll DoAs a Senior Product Designer, you’ll help shape how users...

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Shubhada Pande

@ShubhadaJP • 2mos

Proof-Based Hiring in Web3 (2025): How Founders Evaluate GitHub, Tests, Smart Contracts, and Audit Work Without Technical Knowledge

Most founders today share the same quiet fear: “I hope this developer can actually deliver.”You can run a clean interview. You can ask strong questions. You can validate their projects....

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Shubhada Pande

@ShubhadaJP • 1mo

Blockchain QA & Smart Contract Testing Hub (Coverage, Flaky Tests, Gas + Proof)

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Application deadline: 2 weeks

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Blockchain Security Researcher

OpenZeppelin • FULL_TIME • NA

Job description

OpenZeppelin is a blockchain security company focused on protecting decentralized applications and smart contracts. The team develops open-source contract libraries and provides security services that support the full lifecycle of blockchain projects. As a Blockchain Security Researcher, you will analyze smart contracts for decentralized applications prior to launch, identify vulnerabilities,...

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AshishS

@Web3SecurityPro • 1w

How to Measure Real Growth in Early-Stage NFT Projects Without Vanity Metrics or Hype Numbers

I’m working with / observing a few early-stage NFT projects, and one recurring problem keeps coming up: everyone claims growth, but no one can clearly explain what kind of growth...

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Difficulty - Medium

Total Plays - 4

Allowed Time - 10 sec

Best time - 2.261 sec

What’s the strongest proof for blockchain developers in hiring?

Tip: Click "Play" to reveal options and start playing.

#A

#B

#C

#D

Explanation:
Verified commits and deployed code give verifiable skill proof, beating traditional CV screening in Web3.

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Difficulty - Medium

Total Plays - 8

Allowed Time - 10 sec

Best time - 8.679 sec

What’s the safest pattern for upgradeable contracts?

Tip: Click "Play" to reveal options and start playing.

#A

#B

#C

#D

Explanation:
Transparent proxy separates admin logic from user calls, preventing proxy loops and role confusion.

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Abdil Hamid

@ForensicBlockSmith • 2mos

Can DAOs Sustain Growth After Airdrops Fade?

Our DAO hit 25K members after a massive token airdrop campaign three months ago. Engagement has dropped since—Discord activity is down 60%, governance participation barely 3%. We’re considering loyalty NFTs...

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Merrythetechie

@Merrythetechie • 3mos

As a Blockchain QA Engineer, How Do You Answer “Testing Strategy” in Interviews Without Sounding Shallow or Unprepared?

I’m a blockchain QA engineer preparing for interviews, and the “testing strategy” question always makes me nervous. There’s no single definition, and I’m never sure if the interviewer wants a...

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Shubhada Pande

@ShubhadaJP • 3mos

From Code to Proof: Navigating Blockchain Jobs After Google’s Willow Chip

INTRODUCTIONA New Epoch for Blockchain ProfessionalsFor years, “blockchain career” meant shipping Solidity code and squeezing gas costs. In 2025, that definition no longer fits. Google’s Willow Chip—a purpose-built accelerator for...

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Olivia Smith

@SmartOlivia • 3mos

“Struggling to run growth campaigns because our tokenomics isn’t finalized — how do others handle this?

I handle growth for an early-stage DeFi protocol still finalizing tokenomics. Our marketing strategy is stuck because we can’t run any token-based campaigns or referral incentives. Founders say “wait till...

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Application deadline: 1 month

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Blockchain Protocol Security Auditor

Hacken • FULL_TIME • NA

Job description

The Blockchain Protocol Security Auditor performs in-depth security assessments of Layer 1 protocols, focusing on identifying and mitigating vulnerabilities in protocol implementations. The role includes producing comprehensive audit reports, collaborating with client engineering teams during remediation, and contributing to internal tooling that improves audit efficiency. You will apply advanced Rust...

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Shubhada Pande

@ShubhadaJP • 1mo

The Smart Contract Portfolio That Shows How You Think

A Framework for Reasoning, Safety, and System Design**Most smart contract portfolios fail for a simple reason: they look like a collection of projects instead of a window into how a...

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Andria Shines

@ChainSage • 3mos

How do you balancing Organic and Paid Growth in the Indian Web3 Market

Balancing Organic and Paid Growth in the Indian Web3 Market I’m leading growth for a Web3 payments startup in India. Our user acquisition cost is unpredictable—sometimes ₹40 per signup via...

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RubenzkArchitect

@zkArchitect • 3mos

How Should a Blockchain QA Engineer Explain a Live Demo Failure During a High-Pressure Client Call Without Losing Trust?

Yesterday, during a client call for a DeFi audit prototype, one of our smart-contract tests failed midway on Metamask during the governance-vote flow. The transaction just hung there, and everyone...

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