\nAbout MoonPay 🌖💸\n\n\nHi, we’re MoonPay. We’re here to onboard the world to Web3.\n\n\nWhy? Because we think Web3 is a unique and democratising technology. It gives people back control of their money, digital identity, data, and property like nothing else before it.\n\n\nWhat we do\nWe’re the leading infrastructure company in Web3. This means we offer our partners everything from payment solutions (we call them 'Ramps') to minting software for digital collectibles, like NFTs. And over 30 million people around the world now trust our products — just take a look on Trustpilot.\n\n\nWe’re also big on collaborations. And we've worked on stunts, drops, and partnerships with some of the world's most prestigious and forward-thinking brands.\n\n\nBut that’s not all. We have also built our own consumer app because we wanted to see if we could build a better Web3 account. It’s taken off in a big way, and we're working hard to continually improve it and to strive for perfection.\n\n\nSo whatever your background, we’re sure there’s something for you here. Come help us build the future of Web3 and digital ownership.\n\n\n🌍 Locations Supported\nThis role can be performed remotely from the United Kingdom, Poland, South Africa, Spain, Portugal, or Romania.\n\n\nUnfortunately we do not offer business to business contracting arrangements.\n\n\n🌔 About the Opportunity \nOur Engineering team builds the technology that empowers MoonPay to innovate rapidly and scale\nefficiently. We thrive in small, collaborative cross-functional teams of 4-6 engineers, working closely with\na dedicated Product Manager and Product Data Analyst. MoonPay is seeking individuals with experience\nin developing blockchain applications and integrations to contribute to our expanding consumer and B2B\ninitiatives. Our focus areas include self-custody wallets, DeFi Trading, on-chain asset delivery, and\ninnovating on what the future of Web3 means.\n\n\n\n\n🚀 What you will do\n* Contribute to building and expanding our cutting-edge DeFi Trading infrastructure from the ground up\n* Play a key role in managing the self-custody wallet infrastructure powering our consumer application\n* Integrate with a diverse range of L1/L2/L3 networks and liquidity protocols\n* Engage with an ever-growing landscape of blockchains and networks, spanning the DeFi ecosystem and wallet infrastructure development (currently supporting Bitcoin, Ripple, Ethereum/EVM, and Solana, with more to come)\n* Collaborate closely with Product Managers to develop innovative solutions and implementation strategies for new features and improvements\n* Participate in estimations, planning, and execution of projects, features, and integrations as a valued contributor\n* Develop and maintain thoroughly tested, high-quality, and performant code\n\n\n💻 What you will be working with/on\nYou will be instrumental in building and maintaining backend, frontend, and mobile applications as part of a collaborative team of developers. You can anticipate regular collaboration with product designers, product managers, data analysts, ML engineers, and other departments, reflecting our strong cross-functional engineering culture. Our current primary tech stack utilizes Typescript with React/React Native (via Expo)\n\n\n🧑‍🚀 About You \nExperienced in Web3 Development: \nWe are interested in candidates with prior experience in the Web3 space. This could include projects involving meme coins, DeFi trading platforms, smart contracts, NFTs, wallets, decentralized applications (DApps), or other related areas\n\n\nUnderstanding of Cryptocurrency Wallet Infrastructure: \nAn understanding of cryptocurrency wallet infrastructure across various networks (such as Ethereum, Bitcoin, Solana, Ripple, or others)\n\n\nExperienced with RPC Interaction: \nExperience working with Remote Procedure Calls (RPC) to interact with blockchains is valuable. This could involve using libraries like viem, ethers, solana/web3.js, or similar JavaScript frameworks to broadcast transactions\n\n\nHave a Working Knowledge of Token Standards & EIPs: \nA working knowledge of common token standards like ERC-20 and SPL-20, and Ethereum Improvement Proposals (EIPs) specifically around account abstraction, would be beneficial\n\n\nExperienced Building Scalable Blockchain Infrastructure: \nExperience in building and scaling infrastructure that interacts with blockchain networks is highly desirable\n\n\n(Bonus) Familiar with Digital Asset & NFT Minting: Familiarity with infrastructure for creating (minting) digital assets and NFTs is a nice to have, particularly within the Ethereum ecosystem\n\n\n\n\n\n\nMost importantly, though, you will embody the core principles that everyone here at the MoonPay lives by. Our “BLOCK Values” are at the heart of everything we do - and they are…\n\n\nB - Be Hungry\nL - Level Up\nO - Own It\nC - Crypto Curious\nK - Kaizen\n\n\nMoonPay Perks\nEquity package 📈\nUnlimited holidays 🏝\nPaid parental leave 🍼\nAnnual training budget 💻\nHome office setup allowance 🪑\nMonthly budget to spend on our products 💰\nWorking in a disruptive and fast-growing industry where the possibilities are endless 🚀\nFreedom, autonomy and responsibility 💪\n\n\nResearch has shown that women are less likely than men to apply for this role if they do not have experience in 100% of these areas. Please know that this list is indicative, and that we would still love to hear from you even if you feel that you are only a 75% match. Skills can be learnt, diversity cannot.\n\n\nPlease let us know if you require any accommodations for the interview process, and we’ll do our best to provide assistance. \n\n\nCommitment To Diversity\nAt MoonPay we believe that every voice matters. We strive to create a mindful and respectful environment where everyone can bring their authentic self to work, and experience a culture that is free of harassment, racism, and discrimination. That’s why we are committed to diversity and inclusion in the workplace and are a proud equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including, but not limited to, hiring, recruiting, promotion, termination, layoff, and leave of absence.\nMoonPay is also committed to providing reasonable accommodations in our job application procedures for qualified individuals with disabilities. Please inform our Talent Team if you need any assistance completing any forms or to otherwise participate in the application process.\n\n\nPlease be aware that MoonPay does not request an AI-led interview without seeing a recruiter or team member from MoonPay on video call. We won't ask for your personal identification documents or any money from you during your interview process with us. Be fraud smart! If you receive an email - claiming to be from MoonPay - but from an email address ending in anything other than @moonpay.com, please be aware that this is not us. \n\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Web3, Crypto, JavaScript, Video, Typescript, Mobile and Engineer jobs that are similar:\n\n $60,000 — $100,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n

Web3 Core Engineer\n\nRemote\nAbout Brave\n\nBrave is on a mission to protect the human right to privacy online. We’ve built a free web browser that blocks creepy ads and trackers by default, a private search engine with a truly independent index, a browser-native crypto wallet, and a private ad network (opt-in!) that directly rewards you for your attention. And we’re just getting started. Already 80 million people have switched to Brave for a faster, more private web. Millions more switch every month.\n\nThe internet is a sea of ads, hackers, and echo chambers. Big Tech makes huge profits off our data, and tells us what’s true and what’s not. Brave is fighting back. Join us!\nSummary\n\nBrave is looking for an experienced Senior Software Engineer with a focus on blockchain integrations with Brave.  You'll work on our Brave Wallet.  This is a high profile and impactful, hands-on position.  Work together with our product designers, developers and privacy/security experts to help us take our wallet to the next level.\n\nYour responsibilities:\n\n\n* Work closely with the backend team to understand intricacies and help iterate on components used to build our wallet libraries.\n\n* Integrate new features in brave-core that help our front-end team connect prototypes to live data.\n\n* Be up-to-date with upcoming protocol upgrades, BIPs, EIPs, etc.\n\n* Be involved in investigating bugs around blockchain edge cases.\n\n\n\n\n \nRequirements\n\n\n* 5+ years experience with application development.\n\n* Strong C++ development skills required.\n\n* Some JavaScript / TypeScript development skills are a plus.\n\n* History of open source contributions.\n\n* Good understanding of blockchain protocols (Bitcoin, Ethereum, Solana, etc.) and the DeFi ecosystem are a plus.\n\n* Familiarity with cryptocurrency wallet stack (mechanics, UX, etc.).\n\n* Experience with software development via distributed development teams.\n\n* Comfortable working in an open source setting.\n\n* A passion for helping protect users' privacy and security.\n\n* Written and verbal communication skills in English.\n\n* Proven record of getting things done.\n\n\n\n\n \nWorking at Brave\n\n\n* Industry-leader in privacy, with a research and engineering team that’s innovating everyday to keep people safer online and beat Big Tech\n\n* Highly competitive salaries & benefits, and generous home-office stipends\n\n* Fully remote team (no office, no commute)\n\n* Welcoming, humble, ridiculously smart teammates, and a truly flat org structure\n\n* Opportunity to get in early at a hyper-growth company, and revolutionize the web\n\n* Oh, and did we mention Brendan, our CEO & co-founder, invented JavaScript?\n\n\n\n \n\n  \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Web3, Crypto, JavaScript, Typescript, Ads, Senior, Engineer and Backend jobs that are similar:\n\n $60,000 — $95,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nSan Francisco, California, United States

\nGauntlet leads the field in quantitative research and optimization of DeFi economics. We manage market risk, optimize growth, and ensure economic safety for protocols facilitating most spot trading, borrowing, and lending activity across all of DeFi, protecting and optimizing the largest protocols and networks in the industry. As of January 2025, Gauntlet manages risk and incentives covering over $35 billion in customer TVL.\n\n\nGauntlet continually publishes cutting-edge research that informs our risk models, alerts, and analysis, and is among the most cited institution — including academic institutions — in terms of peer-reviewed papers addressing DeFi as a subject. We’re a Series B company with around 75 employees, operating remote-first with a home base in New York City.\n\n\nGauntlet’s mission is to drive adoption and understanding in the financial systems of the future. Building with decentralized systems creates novel challenges for mechanism designers, smart contract developers, and end-users of financial products, which are not seen in traditional software development and investing contexts. Gauntlet is dedicated to enhancing our industry’s understanding of this new domain and revealing how to safely navigate the true bleeding edge of 21st-century financial innovation.\n\n\nWe are looking for engineers for a few projects! See below:\n\n\nPivot/Courier Services\n\n\nWe're developing an algorithmic trading platform to optimize strategies Gauntlet oversees on-chain to capture opportunities across DeFi. We're looking for a product-focused systems generalist to work with users to define requirements and build the system's required components!\n\n\nData & Models\n\n\nWe develop & own the services that power Gauntlet's platform, including all our model capture, infrastructure, deployments & tools to support & scale our systems!\n\n\n\n\n\nResponsibilities\n* Design, build, and maintain robust, scalable systems for data from DeFi protocols, blockchain networks, and various other data sources\n* Contribute to making our platform world-class\n* Collaborate with stakeholders to understand their system requirements and provide the necessary support to help their productivity.\n* Implement quality control measures to ensure system integrity and quality\n* Actively participate in code and design reviews, providing constructive feedback to peers and maintaining high coding standards\n* Keep up-to-date with the latest industry trends, technologies, and best practices to ensure the continuous improvement of the platform\n* Contribute to the creation of technical documentation and user guides\n* Troubleshoot, diagnose, and resolve software defects, ensuring optimal system performance and reliability\n\n\n\nQualifications\n* At least 4 years of professional development experience. More is better but we're flexible\n* Experience with building backend systems.\n* Experience developing production-quality software in high-performance languages. We currently use Python and Typescript but are open to exceptional language agnostic candidates.\n* Experience with dynamic isolated environments  and operational alerting\n* Experience with distributed data processing frameworks and related technologies such as Kafka, Spark, Flink, etc.\n* Ability to quickly internalize abstract concepts in new domains, coupled with strong problem-solving skills and attention to detail.\n* Ability to work independently and within a team, manage multiple projects, and meet deadlines.\n* Strong communication skills and the ability to work collaboratively in a distributed team environment\n* Interests or passion for DeFi and the broader crypto ecosystem, with a willingness to immerse oneself in the space.\n* Bonus Points\n* Experience working in the crypto industry is a plus but is not required.\n* Background in working with complex data sets in data-rich environments\n* Experience with languages and tooling related to complex streaming problems\n* Familiarity with cloud solutions like Google Cloud Platform or AWS\n\n\n\nBonus Points\n* Experience working in the crypto industry is a plus but is not required.\n* Background in working with complex data sets in data-rich environments\n* Experience with languages and tooling related to complex streaming problems\n* Familiarity with cloud solutions like Google Cloud Platform or AWS\n\n\n\nBenefits and Perks\n* Remote first - work from anywhere in the US & CAN!\n* Competitive packages with the added opportunity for incentive-based compensation\n* Regular in-person company retreats and cross-country "office visit" perk\n* 100% paid medical, dental and vision premiums for employees\n* Laptop provided\n* $1,600 WFH stipend upon joining\n* $100 per month reimbursement for fitness-related expenses\n* Monthly reimbursement for home internet, phone, and cellular data\n* Unlimited vacation policy\n* 100% paid parental leave of 12 weeks\n* Fertility benefits\n\n\n\n\n\n\nPlease note at this time our hiring is reserved for potential employees who are able to work within the contiguous United States and Canada. Should you need alternative accommodations, please note that in your application.\n\n\nThe national pay range for this role is $165,000 - $205,000 plus additional On Target Earnings potential by level and equity in the company. Our salary ranges are based on paying competitively for a company of our size and industry, and are one part of many compensation, benefits and other reward opportunities we provide. Individual pay rate decisions are based on a number of factors, including qualifications for the role, experience level, skill set, and balancing internal equity relative to peers at the company.  \n\n\n#LI-Remote \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Python, Cloud, Typescript, Engineer and Backend jobs that are similar:\n\n $52,500 — $100,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nNew York City / San Francisco / Los Angeles / Remote