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SmartContractGuru
@SmartContractGuru • Feb 18, 2026

Feb 18, 2026

2.2K

US DeFi Solidity interviews: how to explain external call risks without sounding textbook (reentrancy, reverts, gas griefing)

In a recent US DeFi team Solidity interview (remote loop), I got asked: “What are the risks of making an external call in a smart contract, and how would you...

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SmartContractGuru
@SmartContractGuru • Feb 22, 2026

Feb 22, 2026

51

Singapore Web3 teams: what QA proof do you trust before shipping a proxy upgrade?

I’m testing an upgradeable Solidity system (proxy pattern) and I’m realizing “tests passing” doesn’t automatically mean the upgrade is safe. The scary part is that upgrade failures can look fine...

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Hayley Woodhouse
@ouyKkIN • Feb 17, 2026

Feb 17, 2026

1.6K

How to start a career in blockchain forensics at a US startup (remote Web3 jobs) — scams, wallet tracing, and compliance investigations

Hi everyone, I have a background in cybersecurity (mostly penetration testing), and I’m currently pursuing a master’s with a concentration in blockchain security. Alongside that, I’m working with a blockchain...

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19 days left

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Software Engineer — Blockchain Payment Infrastructure —

Halliday • Full Time • NA

San Francisco / New York — Hybrid Posted: Feb 17, 2026

Job description

Software Engineer — Blockchain Payment Infrastructure —Halliday - San Francisco / New York — HybridHalliday is a blockchain infrastructure company building cross-chain payment systems that enable users and developers to perform onchain transactions across multiple networks. This hybrid role in San Francisco or New York focuses on building distributed backend...

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19 days left

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Staff Software Engineer

OKX • Full Time • NA

Singapore — On-site Posted: Feb 17, 2026

Job description

Staff Software Engineer — Rust Cross-Platform Systems — Singapore — On-siteOKX is a global crypto exchange and blockchain infrastructure provider offering trading platforms, wallets, and decentralized application access for retail and institutional users. This Singapore-based role focuses on designing and building cross-platform systems using Rust to support scalable, secure, and...

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19 days left

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Senior Software Engineer: Trading Infrastructure

Gauntlet • Full Time • NA

United States / Canada - Remote Posted: Feb 17, 2026

Job description

Senior Software Engineer — Trading Infrastructure — United States / Canada — RemoteGauntlet is a quantitative research and infrastructure firm focused on optimizing risk, liquidity, and performance across decentralized finance protocols. This full-time remote role in the United States or Canada supports the development of low-latency trading infrastructure and distributed...

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19 days left

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Staff Systems Engineer – Low Latency & Networking

Jito Labs • Full Time • NA

United States (Remote) Posted: Feb 17, 2026

Job description

Staff Systems Engineer — Low Latency Networking — United States — Remote Jito Labs develops high-performance distributed infrastructure on Solana, including Jito-Solana and the Jito Block Engine, which support validator performance and transaction optimization. This remote United States role focuses on building and debugging latency-sensitive systems where network performance, Linux...

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Shubhada Pande
@ShubhadaJP • Feb 17, 2026

Feb 17, 2026

305

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

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ChainPenLilly
@ChainPenLilly • Feb 19, 2026

Feb 19, 2026

52

US Web3 offer background checks — what tends to go wrong at the last step? (DeFi / Solidity)

I’m in late-stage interviews for a DeFi-focused Solidity developer role with a US-based team (remote). They’ve been clear that the offer will be contingent on a standard background check plus...

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Miben Rogers
@YGHQ65t • Feb 17, 2026

Feb 17, 2026

1.3K

US Web3 startup interview: I blanked on EVM gas (SSTORE/SLOAD, warm vs cold, slot packing). What’s the mental model engineers use in real contracts?

Yesterday I had a smart contract interview with a US-based Web3 startup (small team, very practical round). They went deep on EVM storage gas: SSTORE vs SLOAD, warm vs cold...

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Otto L
@Otto • Feb 21, 2026

Feb 21, 2026

56

Remote web3 jobs (US) with no visa sponsorship: Germany-based Solidity dev (4 yrs) — how do internationals still get shortlisted?

I’m a Solidity dev with ~4 years of experience, based in Germany. I’m applying to remote Web3 roles with US teams (protocol / DeFi / infra), but a lot of...

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Angela R
@Web3SkillMapper • Feb 15, 2026

Feb 15, 2026

463

US Web3 startup interviews: what does “Web3 experience” mean and what recruiters look for in crypto jobs?

The term “Web3 experience” is so broad that I’m struggling to decode what US Web3 startups actually mean when they put it in a job description. A few roles even...

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Damon Whitney
@CareerSensei • Feb 15, 2026

Feb 15, 2026

68

NYC vs SF vs remote: where Web3 hiring is strict about proof for Solidity/Rust roles (0–5 yrs)

I’m seeing very different hiring behaviour for Solidity and Rust roles depending on whether the team is based in NYC, SF, or fully remote — and it’s most visible at...

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MakerInProgress
@MakerInProgress • Feb 15, 2026

Feb 15, 2026

1.2K

How can I transition from Web2 career to Web3 career for US startup developer roles (3 years full-stack)?

I’ve spent the last three years as a Web2 full-stack developer (React, Node, AWS) building and scaling production apps. Recently I keep searching the same thing: how can i transition...

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Tushar Dubey
@DataChainTushar • Feb 14, 2026

Feb 14, 2026

482

Singapore Web3 Growth roles: EP pass reality, hybrid expectations, and SGD vs token pay — what should I verify?

Quick context before I sign anything — I’m sanity-checking: EP vs contractor/EOR, what “hybrid” actually means week-to-week, and whether the pay is mostly SGD or mostly token “upside”. Also trying...

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Shubhada Pande
@ShubhadaJP • Feb 13, 2026

Feb 13, 2026

3.0K

Smart Contract Audit Checklist: What Auditors Actually Check (and How to Prepare)

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15 days left

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Blockchain Engineer

ZIGChain • Full Time • NA

Remote Posted: Feb 13, 2026

Job description

Blockchain Engineer - ZIGChain - RemoteLocation: Not specifiedWork model: Fully remoteZIGChain is a Layer 1 blockchain focused on building decentralized infrastructure designed for scalability, security, and interoperability. The team develops core protocol components that enable cross-chain communication and decentralized financial systems. This role is responsible for designing and optimizing blockchain...

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Abdil Hamid
@ForensicBlockSmith • Feb 13, 2026

Feb 13, 2026

1.5K

Hardhat vs Remix for beginners: when building a dApp, what should I use and why?

Hey everyone — I’m new to Ethereum development and building a small dApp (Solidity + ethers.js).I keep seeing “use Hardhat”, but I’m still unclear what Hardhat is used for in...

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Bondan S
@Layer1Bondan • Feb 12, 2026

Feb 12, 2026

90

USDC payroll in the US: should I invoice in USD or USDC — and what proof stops disputes later?

I’m US-based and a company wants to pay me in USDC for a contract role. Everything sounds normal… until I hit this one annoying question that feels like the start...

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BennyBlocks
@BennyBlocks • Feb 11, 2026

Feb 11, 2026

558

Negotiating pay for US-remote blockchain roles (EST/PST): handling “we pay by location” without losing leverage

I’m in the middle of negotiating a US-remote blockchain role and I’m trying to know how to respond without sounding defensive. The recruiter used the usual line: “we adjust comp...

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