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Merrythetechie

@Merrythetechie • 3mos

In Web3 QA Interviews, How Do You Explain Test Coverage Without Sounding Scripted or Over-Technical?

I’m a blockchain QA engineer with two years of experience, and almost every interview includes the same question: “What’s your test coverage?” It’s easy to answer this in Web2, but...

1

Replies
Application deadline: 2 days

S

Software Engineer – Infrastructure & SRE

Syndicate • FULL_TIME • NA

Job description

Syndicate builds infrastructure that helps development teams abstract the operational complexity of web3 and focus on delivering end-user products. Founded in 2021, the company operates as a remote-first organization and develops tooling that supports scalable blockchain-based applications.The Software Engineer – Infrastructure & SRE role is part of the engineering team...

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Difficulty - Medium

Total Plays - 9

Allowed Time - 10 sec

Best time - 1.518 sec

Which bug class often goes unnoticed during audits?

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#A

#B

#C

#D

Explanation:
Logical bugs can’t be found by tools; they require clear understanding of how the business rules actually work. A developer must manually verify that the code’s behavior matches real-world logic.

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AnitaSmartContractSensei

@SmartContractSensei • 2mos

How Do Web3 Hiring Managers Compare Growth Candidates When DAOs Track Success With Completely Different Metrics?

I’ve been hiring for growth and analytics roles across a few DeFi and DAO ecosystems, and every project seems to define “success” in its own way. One candidate talks about...

2

Replies
Aditi R

@aGoKU4J • 2mos

I’m in Product Ops and stuck between founders pushing for fast releases and QA warning about audits — how do you decide what to prioritise in Web3?

I’m in Product Ops for a Web3 team, and I keep running into the same challenge: founders want to ship fast to keep momentum, while QA and auditors warn that...

2

Replies
Difficulty - Medium

Total Plays - 6

Allowed Time - 10 sec

Best time - 1.077 sec

Which audit confirms token reserves on-chain?

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#A

#B

#C

#D

Explanation:
Proof of Reserves (PoR) is an audit that checks if a crypto exchange truly holds enough on-chain assets to cover all user deposits. It compares wallet balances with total liabilities to confirm solvency. This transparent process builds user and regulatory trust by proving funds actually exist.

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Difficulty - Medium

Total Plays - 7

Allowed Time - 10 sec

Best time - 1.324 sec

What UX feature reduces wallet drop-off during sign-in?

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#A

#B

#C

#D

Explanation:
Gasless transactions improve onboarding by eliminating friction for new users—Tier-3 UX success driver.

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Abasi T

@ggvVaSO • 3mos

How to balance between Paid Ads vs Organic Retention in Web3 App Growth

I’m the growth lead for an early-stage NFT marketplace targeting the India market. Our user base grew from 3K → 11K post-airdrop, but daily active users (DUAs) plateaued at ~900....

1

Replies
Application deadline: 1 week

P

Smart Contract Engineer

Paxos Labs • FULL_TIME • NA

Job description

Paxos Labs builds enterprise-grade onchain infrastructure used by large financial organizations to support transparent and verifiable digital asset products. The Smart Contract Engineer role sits within the engineering organization and focuses on scaling the company’s DeFi protocol infrastructure. The position involves researching, designing, and implementing core protocol mechanisms across areas...

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Application deadline: 3 weeks

F

Senior Rust Developer

Fortytwo • FULL_TIME • NA

Job description

Fortytwo is developing a decentralized AI protocol on Monad that uses idle consumer hardware to enable swarm-based inference for small language models. The protocol focuses on distributed computation, resilience, and efficient collaboration between decentralized nodes to support advanced multi-step reasoning at reduced cost.The Senior Rust Developer role is responsible for...

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Difficulty - Medium

Total Plays - 2

Allowed Time - 10 sec

Best time - 3.871 sec

Which Solidity feature is riskiest if misused with delegatecall?

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#A

#B

#C

#D

Explanation:
Delegatecall shares storage between contracts; mismatched layouts can overwrite variables and cause exploits.

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Difficulty - Medium

Total Plays - 6

Allowed Time - 10 sec

Best time - 10 sec

What’s a DAO PM’s biggest challenge in remote teams?

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#A

#B

#C

#D

Explanation:
DAO PMs manage globally distributed contributors — asynchronous updates ensure aligned execution without meetings.

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Difficulty - Medium

Total Plays - 6

Allowed Time - 10 sec

Best time - 2.521 sec

What element most improves wallet onboarding UX?

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

#A

#B

#C

#D

Explanation:
Transparent gas-fee explanations reduce drop-offs; clarity > aesthetics in first-time wallet UX.

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Application deadline: 1 month

D

Software Engineer

Douro Labs • FULL_TIME • NA

Job description

Douro Labs builds market data infrastructure used across decentralized finance. The engineering team develops backend systems, smart contracts, SDKs, monitoring tools, and open-source components that support Pyth-related products. In this Software Engineer role, you’ll work on both on-chain and off-chain projects, contribute to developer-facing tooling, and participate in shaping product...

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Application deadline: 1 month

B

Senior Back-End Engineer, Trading Platform

Blockchain.com • FULL_TIME • NA

Job description

Blockchain.com is hiring a Senior Back-End Engineer for its Institutional team in Paris. The role focuses on building and maintaining low-latency trading services used across the company’s institutional products. This team works on systems such as order management, exchange connectivity, and risk components that support high-frequency trading environments. The position...

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