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What Is Sonic? The Fastest EVM Blockchain

<h3>Position Overview:</h3>We’re seeking a detail-oriented Web3 QA Analyst to test and validate new features, UI/UX flows, and integrations across our dApp. You’ll work closely with our developers and product team to identify bugs, test edge cases, and ensure the user experience remains seamless across all supported chains.<h3>Responsibilities:</h3><ul><li>Conduct manual and automated testing of new platform features before release</li><li>Test user flows </li><li>Reproduce and document issues with clear steps, screenshots, or screen recordings</li><li>Collaborate with the dev team to verify bug fixes and re-test resolved issues</li><li>Ensure cross-browser and cross-chain compatibility (MetaMask, Phantom, Trust Wallet, etc.)</li><li>Provide feedback on UI/UX consistency and performance</li></ul><h3>Requirements:</h3><ul><li>1–3 years of QA or testing experience (Web3 experience preferred)</li><li>Familiarity with blockchain dApps, wallets, and EVM/Solana environments</li><li>Understanding of smart contract interactions and transaction flows</li><li>Basic knowledge of Chrome DevTools or console debugging</li><li>Strong attention to detail and ability to document issues clearly</li><li>Excellent communication skills and reliability in meeting deadlines</li></ul><h3>What We Offer:</h3><ul><li>Flexible remote work</li><li>Competitive pay (based on experience and performance)</li><li>Work directly with the founding and dev team of a live, established dApp</li><li>Opportunity to grow into a long-term QA or Product role as the project scales</li></ul>

Web3 QA Analyst - Tester

We are looking for a freelance QA Engineer to join our team.The ideal candidate will actively contribute QA insights within Scrum teams and help drive product delivery from discovery to launch.This role is critical to the success of our product releases and requires hands-on experience with blockchain technologies, specifically those related to EVM-compatible chains across both Layer 1 and Layer 2 networks.<h3>Responsibilities</h3><ul><li>Design and develop detailed, comprehensive, and well-structured test plans and test cases across a wide range of scenarios (both manual and automated).</li><li>Ensure high product quality across multiple interfaces, including Web and APIs.</li><li>Collaborate closely with QA Engineers, Developers, and Product Owners to identify testing needs and ensure coverage across all deliverables.</li><li>Oversee the creation and execution of test strategies and plans for Scrum teams.</li><li>Communicate testing status, risks, and issues effectively to both the team and management.</li></ul><h3>Requirements</h3><ul><li>7+ years of experience in a software testing role, focusing on Web and API testing.</li><li>Strong knowledge of test management tools, QA methodologies, and Agile testing practices.</li><li>Experience in the digital domain, preferably in fintech or blockchain, and familiarity with QA processes in Agile/Scrum environments.</li><li>Hands-on experience with microservice-based architectures.</li><li>Skilled in exploratory testing and behavior-driven development (BDD) approaches.</li><li>Familiar with test automation frameworks/tools is a plus, including:<ul><li>Playwright (JavaScript)</li><li>Selenium WebDriver (Java)</li></ul></li><li>Proven ability to work independently in a remote, autonomous environment (freelance experience is a strong plus).</li><li>Proficient in English, both written and spoken.</li><li>Knowledge or hands-on experience in testing dApps or Web3 applications is a plus.</li><li>A self-motivated, detail-oriented, and disciplined individual who takes ownership of quality.</li></ul>Perks<ul><li>Competitive salary</li><li>Salary paid by USDT</li></ul>Company DescriptionTreehouse is a digital assets data firm focused on institutional-grade portfolio, protocol, and market analytics. The company is headquartered in Singapore and backed by leading traditional VC and Web3 firms such as Mirana Ventures, Lightspeed, MassMutual Ventures, Binance, LeadBlock Partners, Global Founders Capital, Jump Capital, Wintermute, GSR, Coinhako, Bitpanda, Pintu, AlphaLab Capital, Pulsar Trading, Portofino, senior executives from the SoftBank Vision Fund, and more.

QA Engineer (Freelance)

Dong

Vietnam

Asia/Ho_Chi_Minh

About Immunefi
Immunefi exists to protect the future of money. Immunefi is Web3's last line of defense and leading bug bounty platform, preventing catastrophic hacks before user funds are stolen. Our team is highly specialized, so we’re looking for talented people who are willing to jump right in and use their expertise to help us protect Web3. If you’re looking to join a fast-paced, problem solving environment at the very core of decentralized finance, then read on.
Summary
If Immunefi is Web3’s last line of defense against catastrophic hacks, the Triage team at Immunefi is the internal intelligence division actively confirming and improving the defense strategy. The Smart Contract triager role requires timely, appropriate, and thorough response to reported vulnerabilities. We want to bring on a member of the team that provides great service at the high end - if hackers are to trust submitting their critical findings to us, we need to be able to live up to their trust with timely and appropriate responses. Our evaluation of their bugs from a technical perspective is crucial to our ability to properly reward their hard work. At the low end we still need to provide great service - we want to help them grow their capabilities so that a bad bug report today turns into a great one in the future.

Role Responsibilities
<ul>
<li>Review incoming Smart Contract and Blockchain/DLT vulnerability reports and reproduce issues, assessing the severity and impact of each issue within the context of each organization’s threat model</li>
<li>Triage incoming Bug Report submissions for Code Contests and Attackathons, lead or participate in technical walkthrough calls, support ongoing Boosts/Attackathons by ensuring that duplicates and Chief Finder’s bug reports are correctly marked and triaged, and collaborate with the team to enhance existing processes while proposing your own improvements..</li>
<li>Work with hackers to identify missing information in reports, as well as help educate the community when reports are incorrect</li>
<li>Write a brief summary for each report, including clear reproduction steps, the impact of the issue, and remediation advice</li>
<li>Coordinate with our Bug Bounty Program team and customers to ensure smooth triage workflows for any programs you work with</li>
<li>Draft, manage, and refine bug bounty programs, ensuring they are effectively designed to attract top talent and deliver valuable security insights. Monitor the progress of these programs and provide continuous feedback for improvement.</li>
<li>Liaise across & advocate for parties on both sides of the Bug Bounty (Projects & Whitehats), providing advice, support & technical consultation to ensure accuracy of information, fairness of outcome & engagement of users</li>
<li>Proactively identify and solve issues, as well as accept and quickly respond to delegated work</li>
<li>Collaborate with the team to continuously improve triage processes, proposing and implementing enhancements that increase efficiency and effectiveness in handling bug reports and managing contests.</li>
</ul>

Applicant Requirements
<ul>
<li>Ability to prioritize and organize operationally complex work, with great attention to detail</li>
<li>Strong analytical and problem-solving skills, with the ability to quickly assess complex issues and develop effective solutions.</li>
<li>Deep technical understanding of Smart Contracts, Smart Contract errors & Smart Contract vulnerabilities</li>
<li>Ability to read and understand majorly popular EVM based Smart Contracts programming languages like solidity, vyper etc.</li>
<li>Deep technical understanding of Blockchain/DLTs, Blockchain errors & Blockchain/DLT vulnerabilities</li>
<li>Ability to read and understand majorly popular Rust Based Blockchains programming languages like Solana, Substrate, etc.</li>
<li>Familiarity with newest Web3 security trends</li>
<li>Ability to audit the code identifying and highlighting all vulnerabilities found in the code</li>
<li>Ability to Understand how different DeFi and Blockchain protocols work and ability to apply that knowledge to understand the nature of the vulnerability.</li>
<li>Ability to quickly understand new DeFi protocols and unfamiliar code bases</li>
<li>Ability to quickly understand new Blockchain/DLT Networks and unfamiliar code bases</li>
<li>Top notch communication and writing skills: need to be able to firmly, yet politely, respond to non-issues, non-bias towards the project or whitehat,  as well as identify legitimate issues and communicate them to security teams in an easy to understand format</li>
<li>Technical knowledge around Web3 security: ability to identify and reproduce reported vulnerabilities, as well as assess contextual risk</li>
<li>Being a fully remote company, we are willing to consider applicants in any area however due to the needs of our current Projects & Whitehats, we require someone taking this role to have a work schedule aligned to Central / Western European Timezones</li>
</ul>

Nice-to-have
<ul>
<li>Familiarity with different programming languages to understand the blockchain/DLT level applications which are written in Go, Rust, Move, Cairo, Python etc.</li>
<li>You can write top-quality code samples and mini applications to demonstrate the technologies you want to explain</li>
<li>Familiarity with vulnerability disclosure and bounty programs, including: report formatting and content, confidentiality and disclosure processes, the importance of clear and quick communication between hackers and customers, program policies, etc.</li>
</ul>
Working at Immunefi
Immunefi is the foremost Bug Bounty Marketplace in the crypto / Web3 space providing a platform to facilitate the protection of billions of user funds. We aim for excellence in all we do and want to build a world class team of highly skilled professionals who can help us to scale & develop our company. If you are successful in joining the team, you will be working in a highly collaborative, cross-functional environment where ideas, input & communication are prized. By necessity, the work pace here is rapid and we need people who are able to rapidly immerse themselves. As a fully remote and geographically dispersed team, we require everyone to be capable of autonomous & self-driven work in addition to being able to manage communication across global timezones.

Our Core Values
Always start with the customer - we start with the best outcome for the customer.
Constant vigilance - the safety and success of our customers and the company depend on our high security standards.
Bias for action - we proactively make decisions to drive impactful outcomes.
Always raise the bar for excellence - we build and hold each other accountable for a culture of discipline and excellence.
Think big and bold - we set audacious goals.
Act as an owner and drive outcomes to the finish line - we fully commit to work that best serves the company and our mission.
Build trust, act with integrity - we consistently solve problems and honor our commitments with our team, customers, and community.

What We Offer
<ul>
<li>100% remote-first work environment, flexible schedule</li>
<li>Autonomous work environment with trusting, smart, reliable team members </li>
<li>An opportunity to be building an early-stage company in a dynamically evolving market and industry</li>
<li>An opportunity to build your own path in the company as we continue to evolve and grow</li>
<li>A global market (it’s fun to meet people from all over the world every day!)</li>
<li>A chance to make impact and participate in building and securing the ecosystem for smart contracts and the future of money (we’re protecting over $100B in user funds)</li>
</ul>

Smart Contract Triager

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 250 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.<h3>Responsibilities</h3><ul><ul><li>Working across all aspects of data from engineering to building sophisticated visualizations, machine learning models and experiments</li><li>Producing institutional grade data insights reports on macro trends as well as sector trends, including but not limited to DeFi, NFT, Gaming, Metaverse, L1/L2 and Middleware etc, for both internal and external clients</li><li>Analyze and interpret large volumes of on-chain transactional and operational data (both EVM and non-EVM) using proprietary and open source data tools, platforms and analytical tool kits</li><li>Processing confidential data and information according to guidelines</li><li>Managing and designing the reporting environment, including data sources, security, and metadata</li><li>Troubleshooting the reporting database environment and reports</li></ul></ul><h3>Requirements</h3><ul><ul><li>Have a strong passion for Web3 data and have knowledge of different crypto sectors and familiar with the top players' mechanism of each sector</li><li>Strong critical thinking and analytical skills</li><li>3+ year experience; Bachelor’s degree from an accredited university or college in Computer Science or Math or Statistics</li><li>Proficient in data engineering, modeling and ETL - preferred experience with data sourcing and working with APIs</li><li>Experience with data querying using languages such as SQL, GraphQL and Python </li><li>Experience in using tools such as Dune analytics, Flipside, Nansen, etc</li><li>Understand project smart contracts and have good knowledge of the Web3 infrastructure landscape</li><li>Understand addressing and metadata standards for multiple public chains</li></ul></ul>Why Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.By submitting a job application, you confirm that you have read and agree to our <a href="https://www.binance.com/en/candidate/privacy/notice" rel="noopener noreferrer nofollow ugc" target="_blank">Candidate Privacy Notice</a>.

Research Data Analyst

Singapore Time

Who We Are:Nika is building the future of wealth management—a platform that simplifies digital asset investing for everyone. Our vision is bold: become the one-stop shop for asset management. Our mission is clear: democratize access to professional-grade solutions and empower wealth creation for all.We’re backed. We have audited products. We move fast. What We Value:<ul><li>Move fast, argue hard, disagree transparently</li><li>Precision over polish</li><li>Relentless self-learning</li><li>Extreme ownership and accountability</li><li>DeFi-native thinking meets first-principles engineering</li><li>Be selective to be effective</li><li>Seek excellence</li><li>Build dream teams</li></ul>What You’ll Do:<ul><li>Own and scale Nika’s technical foundation—smart contracts, backend, frontend, etc.</li><li>Architect chain-agnostic infrastructure across VMs (EVM, SVM, etc.)</li><li>Write production-grade contracts (Solidity/Rust), backend services, middleware, and frontend apps</li><li>Set up and manage DevOps: CI/CD pipelines, observability, multisig ops, RPC failover, and security infra</li><li>Drive strategic and technical decisions on product architecture, tradeoffs, and roadmap</li><li>Hire and lead a high-performance engineering team</li><li>Set the bar on speed, security, and culture</li><li>Work directly with the founder—challenge and be challenged </li><li>Architect, ship, and iterate—fast</li></ul>Who You Are:Mindset & Execution<ul><li>Operate at founder speed—high agency, high output</li><li>Thrive in ambiguity and under pressure</li><li>Think from first principles and break down complex problems quickly</li><li>Execute without permission and solve problems without drama</li><li>Own outcomes—no excuses</li><li>Comfortable debating hard questions with conviction</li><li>Love solving complex problems and thrive on ownership</li><li>Resilient, agile, and proactive—you don’t wait to be told </li><li>Security first mindset and startup energy</li><li>You can lead but also ship</li><li>Determination—when presented with a challenge, you solve it</li></ul>Technical Must-Haves<ul><li>Built or architected real DeFi systems (vaults, lending, AMMs, etc.) or TradFi Equivalents</li><li>Deep experience writing secure, optimized smart contracts</li><li>Architected full-stack or protocol infrastructure (contracts, backend, DevOps, etc.)</li><li>Familiar with security best practices: multisigs, key management, monitoring, incident response</li><li>Understand contract patterns: MEV resistance, upgradeability, oracles, bonding curves, etc.</li></ul>Bonus Points:<ul><li>Previous founder or founding engineer</li><li>Quant, math, or HFT background</li><li>Strong network to recruit world-class engineers</li><li>Contributor to DeFi protocols or tooling</li><li>Understanding of market microstructure: AMMs, order books, derivatives, etc.</li><li>Fluent in Rust, Solidity, Go, TypeScript, Python</li><li>Experience with tools like Foundry, Hardhat, Kubernetes, Tenderly, Grafana, Dune, Safe, Snapshot</li></ul>Why Join Us?<ul><li>Full ownership—you own the tech, end to end</li><li>Massive surface area—smart contracts, infra, architecture, product, hiring, etc.</li><li>Skin in the game—shape what gets built, why, and how fast</li><li>Foundational role—this is the beginning of the future, you’ll be core to it</li><li>Limitless upside—complex problems, true autonomy, real growth</li><li>Fast iteration—ship at the speed of light</li><li>Meaningful equity & competitive salary</li><li>Paid travel</li></ul>*This role is onsite and requires candidates to be authorized to work in the U.S.*We also offer a $5,000 referral bonus for successful hires—feel free to reach out for details.

Lead Engineer

Eastern Standard Time

Web3 Ethereum Virtual Machine jobs and other crypto companies

Page 2. October 2025. Web3 Ethereum Virtual Machine Jobs. Apply for. careers at and other crypto companies... Apply today!

Job Title	Company Name	Salary	Location	Tags
Web3 QA Analyst - Tester	PRDT Finance	500-1000/month	Remote	RemoteWeb3AnalystUI/UX
T QA Engineer (Freelance)	Treehouse Labs	15-50/hour	📍 Viet Nam	Web3DeveloperTradingFreelance
Smart Contract Triager	Immunefi	100k-200k/year		RemoteWeb3DeveloperNON Tech
Research Data Analyst	Binance	75k-150k/year	📍 Singapore, Taiwan, Taipei	Web3ResearchTradingEngineering
N Lead Engineer	Nika Finance		Remote	DeveloperEngineeringPythonRust

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Web3 QA Analyst - Tester

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