Staff Backend Engineer

Phantom is revolutionizing the way millions of people interact with the crypto ecosystem. Our self-custodial wallet offers a seamless, unified experience for managing accounts and tokens across Solana, Bitcoin, Ethereum, and Polygon, empowering users with a single, convenient solution. By integrating cutting-edge security features and launching innovative tools for an enhanced personalized user experience, Phantom is able to provide a next-generation, safe and easy to use self-custodial wallet for everyone. This strategy has allowed Phantom to achieve significant milestones including surpassing 7 million MAU’s, reaching #1 in the Google play store finance category, and consistently trending as a Top 50 app across all categories, right next to X, PayPal, Coinbase, and ChatGPT.

As a Backend Engineer, you will be at the forefront of designing and building the robust services that power our Onboarding and Fiat OnRamp products. You’ll play a critical role in shaping the technical direction of our backend systems and infra, with a focus on high-volume, high-availability solutions that meet the complex needs of modern financial platforms. Join us on our mission to make the digital economy safe and easy to use for everyone.

• Architect for Scalability & Performance: Build systems capable of handling millions of users, with a focus on high availability, low latency, and strong fault tolerance using AWS/K8s.

• Technical Leadership & Mentorship: Provide direction on best practices, code quality, and process improvements; mentor other team members.

• Cross-Functional Collaboration: Partner closely with product, design, and other engineering teams to translate business requirements into scalable backend solutions.

• DevOps & Infrastructure: Contribute to infrastructure decisions (e.g., Kubernetes, CI/CD pipelines, monitoring, and logging), ensuring secure, reliable, and efficient operations.

• Authentication & Security: Implement and maintain robust authentication, authorization, and security best practices within a highly regulated Crypto environment.

• New initiatives and products: You will be leading initiatives to add support for other blockchains to Phantom, and to launch new complementary products or infrastructure.

• Interfacing with users: You will be interfacing directly with end-users and developers building on Phantom, supporting them and collecting feedback to inform the direction of the product.

• Team building: You will be working with the team to create and foster a culture of raising the bar with each new hire.

• Bachelors degree in Computer Science or related technical field or equivalent practical experience

• 6+ years full-time software engineering experience with some of the following technologies:

  • Backend Technologies: Expert-level proficiency in Node.js/NestJS, with a track record of building large-scale, high-performance services.

  • Infrastructure: Hands-on experience with Kubernetes (K8s) and related tooling for container orchestration, scaling, and deployment.

  • DevOps: Familiarity with CI/CD pipelines, monitoring, and logging solutions to maintain production-grade systems.

• Demonstrated interest in open and community-driven platforms

• Nice-To-Have: 1+ years experience in a blockchain based product

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.

• 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.