Staff Backend Engineer

About Notabene

Notabene is building infrastructure that’s transforming how money moves in the digital economy. We’re evolving beyond our compliance foundations to enable the next generation of digital financial services between regulated institutions with unprecedented efficiency. With nearly 50 employees across 14 countries and having recently closed our Series B round last November with support from leading investors including Y Combinator, DRW, F-Prime, Jump Capital, Castle Island, and Green Visor Capital, we’re looking for people like you to help shape the future rails of the crypto industry!

The Impact You'll Have:

As a Staff Backend Engineer at Notabene, you'll be pivotal in shaping how crypto transactions are securely cleared and settled at scale worldwide. You’ll be joining the transactions team, a critical component of the Notabene Platform responsible for the reliable processing of high-throughput transaction data globally.

In this role, you will architect, build, and maintain our core transaction-processing services, driving the platform's scalability, reliability, and performance to handle the growing volume and emerging crypto use cases.

As a Staff Engineer, you’ll be instrumental in setting technical direction, mentoring team members, and ensuring our architecture is optimized to meet the needs of a constantly changing and fast-paced market. At this time we are only considering candidates that are located in the Eastern United States or European time zone.

What You'll Do

• Design, build, and maintain high-throughput, low-latency microservices for our Transactions team, contributing directly to Notabene’s secure and reliable transaction authorization platform

• Work closely with product, engineering, compliance, and customer-facing teams to gather requirements align on technical feasibility, and prioritize projects that maximize value to our customers

• Develop and execute the Transactions team roadmap aligning with business priorities and strategic objectives

• Scope and drive large-scale technical projects end-to-end, from inception through deployment, and delivering ongoing improvements to scalability and performance

• Mentor and support engineers throughout the Notabene engineering organization

Must Haves

• 8+ years of professional software engineering experience, with at least 3+ years in a senior or staff-level backend engineering role

• 3+ years of professional experience with Node.js, including building production-grade applications.

• Strong experience with distributed messaging systems (e.g., Kafka), including configuring and optimizing message flows.

• Expertise in event-driven microservices development.

• A proven track record in building and optimizing high-throughput, distributed systems

• Extensive experience with PostgreSQL, SQL optimization, and architecting high-throughput transactional databases

• Hands-on experience deploying and managing services on AWS, with a solid understanding of container orchestration tools like Kubernetes and Docker

• Strong understanding of security principles, particularly around secure data handling, encryption, and best practices in financial or transactional data systems

• Strong problem-solving skills, attention to detail, and the ability to work independently in a global, remote-first company

• Excellent communication and writing skills, with the ability to collaborate across teams and departments

Nice-to-Haves

• Experience with Rust or Go is a significant plus.

• Deep understanding of cryptography, including public/private key encryption and signing.

• Knowledge of decentralized identity, verifiable credentials, and DIDComm protocols.

• Familiarity with low-latency NoSQL datastores.

• Familiarity with distributed systems principles beyond Kafka, such as consensus protocols or distributed tracing.

Benefits

• Flexible Remote Work: Work from anywhere!

• $1000 WFH Stipend: Use within your first year of employment.

• MacBook Pro: Procured by you and your manager to find a model that meets your needs.

• Unlimited PTO: We trust you to take as much holiday as you need.

• Country-Specific Benefits: Statutory offerings and contributions, managed via our employer-of-record.

Apply Today!

If you strongly believe this role is for you, please apply. Notabene considers a broad array of candidates, including those without blockchain experience. Whether you’re returning to work after a gap in employment, or taking the next step in your career path, we will be glad to have you on our radar.

Notabene is proud to be an equal employment workplace and an affirmative action employer. By valuing inclusion and diversity of all forms, we strictly prohibit and do not discriminate based on race, color, religion, national origin, gender, gender identity, gender expression, age, ancestry, citizenship, sexual orientation, status as a protected veteran, or any other legally protected characteristic.