Let’s get started
By clicking ‘Next’, I agree to the Terms of Service
and Privacy Policy
Jobs / Job page
Senior Software Engineer, Backend image - Rise Careers
Job details

Senior Software Engineer, Backend

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.

Responsibilities

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.

Qualifications

  • 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

Why Work with Us

Opportunity

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 $180,000 to $220,000 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.

#LI-DNP

Phantom Glassdoor Company Review
3.8 Glassdoor star iconGlassdoor star iconGlassdoor star icon Glassdoor star icon Glassdoor star icon
Phantom DE&I Review
No rating Glassdoor star iconGlassdoor star iconGlassdoor star iconGlassdoor star iconGlassdoor star icon
CEO of Phantom
Phantom CEO photo
Unknown name
Approve of CEO

Average salary estimate

$200000 / YEARLY (est.)
min
max
$180000K
$220000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Senior Software Engineer, Backend, Phantom

Join the dynamic team at Phantom as a Senior Software Engineer, Backend and be a key player in revolutionizing the crypto ecosystem! At Phantom, we’re dedicated to creating a seamless, self-custodial wallet that serves millions of users across various blockchains such as Solana, Bitcoin, Ethereum, and Polygon. As a Senior Software Engineer, you’ll be instrumental in designing and building the high-performance backend services for our Onboarding and Fiat OnRamp products. Your role will involve architecting robust systems with AWS and Kubernetes that ensure scalability and performance, all while focusing on high availability and fault tolerance. Collaborate closely with product managers, designers, and fellow engineers to translate complex business requirements into elegant and scalable solutions. You’ll also guide the team by sharing your knowledge and best practices while contributing to our DevOps initiatives and security measures in a highly regulated environment. With our rapid growth, you'll directly interface with users and developers, helping to shape the future of our products. At Phantom, you won’t just be another engineer; you'll help create an innovative user experience in the crypto space, while enjoying benefits like unlimited vacation and a flexible work environment. If you're ready to elevate your career and impact the future of crypto, we can’t wait to meet you!

Frequently Asked Questions (FAQs) for Senior Software Engineer, Backend Role at Phantom
What are the main responsibilities of a Senior Software Engineer, Backend at Phantom?

As a Senior Software Engineer, Backend at Phantom, your responsibilities include designing and building high-performance backend services for Onboarding and Fiat OnRamp products, architecting scalable systems to support millions of users, leading technical initiatives while mentoring juniors, collaborating cross-functionally, contributing to infrastructure decisions, and implementing robust security measures in a regulated crypto environment.

Join Rise to see the full answer
What qualifications do I need to apply for the Senior Software Engineer, Backend position at Phantom?

To apply for the Senior Software Engineer, Backend position at Phantom, you should have a bachelor's degree in Computer Science or a related technical field, along with at least 6 years of software engineering experience focused on backend technologies such as Node.js/NestJS and Kubernetes, as well as DevOps familiarity with CI/CD tools and production-grade system management. Previous experience in blockchain-based products is a plus, but not mandatory.

Join Rise to see the full answer
How does Phantom's work environment support its Senior Software Engineer, Backend?

Phantom fosters a positive and supportive work environment for its Senior Software Engineer, Backend by offering flexible hours, unlimited vacation, and comprehensive benefits including 100% coverage for medical, dental, and vision insurance, along with wellness stipends and opportunities for global off-sites. The company encourages a culture of mentorship and collaboration, ideal for personal and professional growth.

Join Rise to see the full answer
What kind of projects will the Senior Software Engineer, Backend work on at Phantom?

At Phantom, the Senior Software Engineer, Backend will work on significant projects, including building and scaling backend services for onboarding processes and fiat onramp capabilities, leading initiatives to support new blockchains, improving infrastructure for high availability, and enhancing security features that ensure user safety in the dynamic crypto landscape.

Join Rise to see the full answer
What are the career growth opportunities for a Senior Software Engineer, Backend at Phantom?

Phantom emphasizes continuous learning and growth, providing abundant opportunities for advancement. As a Senior Software Engineer, Backend, you will have the chance to lead projects, mentor junior engineers, and directly influence product direction. With Phantom's rapid growth and focus on innovation, you could advance towards technical leadership roles and broaden your expertise in blockchain technologies.

Join Rise to see the full answer
Common Interview Questions for Senior Software Engineer, Backend
Can you describe your experience with Node.js/NestJS and how you’ve applied it in previous projects?

In my previous roles, I utilized Node.js and NestJS to build scalable backend services, focusing on performance and security. For instance, I designed an API that handled concurrent requests while maintaining minimal latency, applying best practices in RESTful design.

Join Rise to see the full answer
How do you approach designing scalable systems?

When designing scalable systems, I consider user traffic patterns and optimal resource allocation. I often implement microservices architectures, utilize load balancing techniques, and leverage container orchestration via Kubernetes to ensure high availability and performance during peak loads.

Join Rise to see the full answer
Can you explain a challenging technical problem you faced and how you solved it?

One challenging problem involved optimizing a data processing pipeline that was bottlenecked during high load times. I analyzed the workflow, identified inefficiencies, and refactored the code while implementing Redis for caching, which significantly improved processing speed and overall system performance.

Join Rise to see the full answer
What is your experience with CI/CD pipelines, and how do you ensure their effectiveness?

I have extensive experience building CI/CD pipelines using tools like Jenkins and GitHub Actions. To ensure effectiveness, I incorporate automated testing and code reviews into the pipeline, allowing teams to identify issues early and maintain a high standard of code quality.

Join Rise to see the full answer
How do you stay updated on the latest trends and technologies in the backend development space?

I regularly participate in webinars, attend tech meetups, and follow industry-leading blogs and forums. Additionally, I'd often contribute to open source projects, which keeps my skills sharp and exposes me to new ideas and frameworks.

Join Rise to see the full answer
Describe your experience with infrastructural tools like Kubernetes.

I've worked extensively with Kubernetes for container orchestration, managing deployments, and scaling applications. By implementing Helm charts and managing clusters, I've ensured our applications are resilient and can withstand failures.

Join Rise to see the full answer
What security best practices do you follow while developing backend systems?

I emphasize a security-first approach, implementing practices such as input validation, secure authentication methods (like OAuth), and regular code audits. Also, I stay updated on the latest vulnerabilities and ensure our systems comply with industry standards like OWASP.

Join Rise to see the full answer
How do you handle feedback from users or developers when iterating on product features?

I take feedback seriously by implementing structured feedback channels, like surveys and user testing sessions. This ensures that the development team understands user pain points and can prioritize feature improvements based on real user needs.

Join Rise to see the full answer
Can you provide an example of a collaborative project you’ve worked on?

I collaborated with cross-functional teams on a project aimed at enhancing user onboarding. My role involved aligning technical solutions with design needs, ensuring the final product was both user-friendly and efficient.

Join Rise to see the full answer
What are your thoughts on mentorship and team culture in software development?

I believe mentorship is essential for team growth. Sharing knowledge and best practices not only fosters a supportive culture but also accelerates skill development. I actively seek to mentor junior developers while being open to learning from them in return.

Join Rise to see the full answer
Similar Jobs
Photo of the Rise User
Phantom Remote No location specified
Posted 14 days ago
Photo of the Rise User
Commify Remote No location specified
Posted 6 days ago
Two Dots Hybrid San Francisco
Posted 9 days ago
Photo of the Rise User
Posted 5 days ago
Photo of the Rise User
Posted 9 days ago
Photo of the Rise User
METR Hybrid Flexible / Dependent
Posted 8 days ago
Photo of the Rise User
FullStory Remote No location specified
Posted 3 days ago
MATCH
Calculating your matching score...
FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
January 10, 2025

Subscribe to Rise newsletter

Risa star 🔮 Hi, I'm Risa! Your AI
Career Copilot
Want to see a list of jobs tailored to
you, just ask me below!