Staff product security engineer (security)

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

Security is core to the product and the reason why millions of people trust Phantom to securely store their crypto assets. As a Security Engineer, you will be responsible for identifying, exploiting and mitigating security vulnerability risks in our software applications, as well as conducting security assessments and investigations. You will work closely with development teams to ensure that security is integrated throughout the software development lifecycle. Join us on our mission to make the digital economy safe and easy to use for everyone.

• Perform regular security assessments on new projects, infrastructure and code.
• Identify and mitigate security vulnerabilities in code, systems and networks through manual testing, automated tools, threat modeling and threat intelligence.
• Keep up to date with the latest offensive security techniques, application security threats, and best practices in the blockchain space, and recommend improvements to security posture.
• Write detailed reports of your findings and present them to management and technical teams, and help to prevent real-world attacks.
• Work with development teams to implement secure coding practices and to ensure the integrity of cryptographic functions.
• Collaborate with other teams such as development and platform to ensure that security is integrated throughout the organization.
• Participate in incident response and incident management activities.
• Leading large cross-team projects.

Qualifications

• 7+ years of experience in offensive security techniques, with a focus on blockchain technology and cryptography.
• Strong understanding of security risks, vulnerabilities and concepts in web and mobile applications.
• Proficient in code review for JavaScript & Typescript with a strong understanding of application security threats and offensive security techniques.
• Write PoC’s to prove vulnerabilities, review and ensure that patch code meets the standards set by the repository owners and maintainers.
• Strong analytical and problem-solving skills.
• Good verbal and written communication skills.

Why Work with Us

We are a team of experienced builders in the blockchain and crypto industry. Our journey began from users seeking an easy, seamless path to accessing the crypto ecosystem. This passion fueled our exponential growth, allowing us to onboard over 7M+ active users in just over three years; with our user base growing weekly. Our dedication to a secure and seamless user experience has made us the leading wallet on Solana as well as our multi-chain approach enhances our platform's versatility, meeting the needs of a diverse and growing user base. By staying at the forefront of technology and user expectations, we continue to innovate and set industry standards on self-custodial crypto wallets.

There has never been a better time to work in crypto to help shape the future of innovation with a focus around the wallet experience!

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

We strongly encourage candidates of all different 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.

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.