Senior Fullstack Engineer, Platform
Job Description
The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks’ platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world, including BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more.
About the team
The Subscriptions Platform team is responsible for building the platform that powers Fireblocks’ subscription data, billing, and product-led growth initiatives—enabling both internal teams and customer-facing experiences to drive business impact.
As a Senior Full Stack Engineer on this team, you’ll work across the stack: designing robust backend services and building polished, data-driven UIs that help customers and internal stakeholders get value quickly.
What You'll Do
Own end-to-end features across backend and frontend – from technical design and implementation to deployment and monitoring.
Design, implement, and maintain scalable microservices and event-driven architecture.
Build modern, high-quality web frontend experiences that expose subscription and usage data to customers and internal teams in a clear, actionable way.
Collaborate with cross-functional teams (Product, Data, CS, other engineering teams) to design systems that support product-led growth and business goals.
Contribute to platform and architecture decisions, ensuring our systems are reliable, observable, and easy to evolve.
Simplify integrations, workflows, and the overall developer experience to significantly reduce the Mean Time to Value (MTTV) for both internal teams and customers.
Write clean, testable, and maintainable code, and perform thoughtful code reviews for peers.
Take ownership of production – including monitoring, troubleshooting, and continuously improving performance, reliability, and cost.
Design and maintain asynchronous flows using queues as part of our event-driven architecture.
What You'll Bring
- •5+ years of experience as a full stack engineer working on production systems.
- •Strong backend engineering experience with:
- •Node.js and TypeScript
- •Microservices architecture
- •Building and consuming RESTful APIs and event-driven systems
- •Solid frontend experience with:
- •React and TypeScript
- •Building complex, data-heavy, performant web applications
- •Translating UX/product requirements into clean component architectures
- •Experience with relational databases, including data modeling, query optimization, and troubleshooting.
- •Proven experience deploying and operating services in cloud environments (AWS, GCP, or Azure), including containerized workloads (Docker, Kubernetes or similar).
- •Hands-on experience with monitoring, logging, and alerting (e.g., Datadog, Coralogix, Grafana).
- •Strong understanding of system design, distributed systems, scalability, and reliability.
- •Ability to debug complex production issues across the stack and drive them to resolution.
- •Comfortable working in a fast-paced environment, juggling multiple priorities while maintaining high quality.
- •Experience working with asynchronous processing and queues as part of event-driven architectures.
Nice to Have
- •Experience with billing, payments, or subscription platforms.
- •Experience building internal platforms or tooling for other engineering teams.
- •Background with analytics/BI or data products exposed to customers.
How We Work – Team Values
You’ll thrive in this role if you embody our team values:
- •Accountability – you own what you build, end to end.
- •Proactive approach – you don’t wait for problems; you anticipate and solve them.
- •No ego – you give and receive feedback openly and focus on the best solution.
- •Team-first mindset – we succeed or fail together; one person’s win is the team’s win.
Fireblocks' mission is to enable every business to easily and securely access digital assets and cryptocurrencies. In order to do that, we strongly believe our workforce should be as diverse as our clients, and this is why we embrace diversity and inclusion in all its forms.
Please see our candidate privacy policy here.
About Fireblocks
Fireblocks is a leading enterprise-grade platform providing a secure infrastructure for moving, storing, and issuing digital assets. We empower financial institutions to seamlessly and securely embrace the burgeoning world of blockchain and Web3. Our robust technology safeguards billions in crypto assets, enabling banks, exchanges, and fintechs to build innovative products and services within the decentralized economy. We are at the forefront of digital asset security, offering battle-tested solutions that combine MPC cryptography, hardware isolation, and policy engines to deliver unparalleled protection. Our culture thrives on innovation, collaboration, and a shared passion for shaping the future of finance. We are a global, remote-friendly team composed of pioneers and experts across cybersecurity, blockchain engineering, and distributed systems. At Fireblocks, every team member contributes to solving complex challenges at the intersection of traditional finance and Web3, pushing the boundaries of what's possible in the digital asset space. We foster an environment where continuous learning and bold ideas are celebrated, offering ample opportunities for professional growth and impact. Join Fireblocks and be part of a company that is defining the infrastructure of the digital asset economy. If you are passionate about blockchain technology, have a strong drive to build secure, scalable, and cutting-edge solutions, and want to work alongside some of the brightest minds in the crypto industry, your place is with us. We offer competitive benefits, a dynamic work environment, and the chance to make a tangible difference in how the world interacts with digital assets. Explore our open positions and help us unlock the full potential of Web3.
Ready to Apply?
To submit your application for this position, please visit Fireblocks's official website and follow their application process.