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

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. Check out our Forbes Fintech 50 and CNBC and Statista's

World's Top Fintech Companies 2026!

We are around 180 people, fully remote, backed by a $150M Series C investment from a16z, Sequoia Capital and Paradigm.

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.

Responsibilities

• 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
• 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.
• Why Work With Us
• Phantom's journey to becoming a global trading app began with making crypto easier to use.
• Today, we’re building on that foundation to help people discover the markets that matter, make informed financial moves, and safely store or spend their money worldwide. Joining Phantom means helping shape that next chapter: building products that bring the freedom of open markets to more people.
• Build for global impact: Create products used by tens of millions of people, making innovative financial markets more accessible to users around the world.
• Make complexity feel simple: Solve meaningful challenges across design, engineering, and user experience to make discovering markets and managing money seamless.
• Put users in control: Help build a future where people have greater freedom over their assets and financial decisions, with security and self-custody at the foundation.