Mirrai Careers

Staff Engineer, Full Stack (Trust, Safety & Risk)

Phantom

Remote Remote Full-time Posted 2w ago
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Phantom is on a mission to connect the world to the freedom of open markets. Tens of millions of people all over the world use Phantom to access global markets that never close, including perpetuals, prediction markets, tokenized assets, stablecoins and memes. Phantom users are able to discover the markets that matter and the cultural moments that shape them, building conviction through real-time data and the verified performance of top traders. With self-custody and access to open networks at its core, Phantom lets them control their financial moves in the same app they use to safely store or spend money worldwide. Phantom has reached #1 in Google Play's finance category and consistently ranks in the top 50 apps across all categories. Phantom partners with many of the most trusted and influential names in finance like Hyperliquid, Stripe, Kalshi and Visa, to make the most popular and innovative financial products accessible to everyone. We are around 180 people, fully remote, backed by a $150M Series C investment from a16z, Sequoia Capital and Paradigm. Responsibilities As a Trust, Risk & Safety Engineer at Phantom, you’ll build the systems that safeguard our users, products, and platform. Working across the stack, you’ll detect and prevent abuse, assess emerging risks, reduce financial loss, and equip internal teams with the tools and intelligence needed to respond quickly and effectively. The ideal candidate brings high agency, a strong sense of ownership, exceptional technical judgment and product taste, a relentless work ethic, and the emotional intelligence to navigate complex, high-stakes situations. * Fraud prevention: Build real-time risk controls and decisioning systems for products such as ACH, debit cards, onramps, off-ramps, and other money movement experiences. * Scam and abuse detection: Develop signals, models, and product interventions that identify malicious wallets, transactions, applications, and user behavior. * Identity and compliance infrastructure: Build scalable KYC, sanctions screening, transaction monitoring, case management, and audit systems. * Data and intelligence: Create pipelines and tools that combine on-chain activity, product data, and third-party signals into actionable risk insights. * Product safety: Partner with product and engineering teams to design safeguards into new features from the beginning without compromising the user experience. * Operational tooling: Build internal tools that help Risk, Compliance, Support, and Security teams investigate incidents and take action efficiently. * Team building: Help establish the technical foundations and engineering culture for a new, high-impact function at Phantom. Qualifications * Bachelor’s degree in Computer Science or a related technical field, or equivalent practical experience * 8+ years of full-time software engineering experience * Experience designing and operating reliable, data-intensive production systems * Strong product judgment and the ability to balance user experience, financial risk, and operational complexity * Ability to work across frontend, backend, APIs, data pipelines, and third-party integrations * Demonstrated interest in protecting users and building trustworthy financial products * Nice to have: Experience with fraud, risk, identity, KYC, AML, sanctions, payments, fintech, or blockchain systems * English language proficiency WHY WORK WITH US * First impressions matter: Wallets are responsible for a users first impression with crypto and onboarding new users into crypto. By ensuring that a user has a great first-time experience with crypto, we can help supercharge the growth of the entire ecosystem. * Make crypto easier to navigate: There is no easy way for a user to discover and navigate all that crypto has to offer. Wallets have a unique opportunity to help users not only onboard to crypto but also stay retained by exploring new things to do. * We live in a multi-chain world: We currently support Solana, Ethereum, Polygon and Bitcoin with more networks to come in the new future. We are focused on creating a unified, multi-chain crypto experience for users. BENEFITS * Competitive salary and equity * Comprehensive insurance (medical/dental/vision) — 100% covered * Stipend for your ideal remote set-up * Flexible hours and a supportive remote environment * Unlimited vacation: Take time when you need it (and we really mean it!) * 401(k) retirement plan * Monthly wellness benefit * Weekly meal benefit * Global off-sites The target base salary for this role will range between $200,000 to $250,000 with the addition of equity and benefits. This is determined by a few factors including your skillset, prior relevant experience, quality of interviews and market factors (such as location) at the point in time of offer. We strongly encourage candidates of all backgrounds to apply. We believe that our work is stronger with a variety of perspectives, and we’re eager to further diversify our company. If you have a background that you feel would make an impact at Phantom, please consider applying. We’re committed to building an inclusive, supportive place for you to do the best work of your career. By submitting your resume and application materials, you acknowledge and agree that Phantom Technologies, Inc. ("Phantom") collects and processes your personal information (including application materials, interview records, and related data) to evaluate your candidacy. Phantom may use AI-powered tools and third-party service providers for transcription, note-taking, scheduling, and other administrative tasks. Phantom does not sell your information and your materials will be handled securely and in accordance with applicable data protection laws.

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