Staff Backend Engineer (EU Remote)

Job Title: Staff Backend Engineer (EU Remote)

Location: Remote (Berlin / Barcelona / Lisbon / Milan / Zug)

About Notabene

Notabene is on a mission to make crypto a part of the everyday economy. Leading crypto organizations use our tools to reduce transaction risk and make crypto transfers safe. Operating across three continents in eight countries, the Notabene team serves a community of 100+ customers, including financial institutions, fintechs, and exchanges. Our co-founders pioneered foundational Self-Sovereign Identity protocols, which are key to our cutting-edge tech stack.

Backed by top investors like Y Combinator, Jump Capital, Castle Island, and Green Visor Capital, Notabene is rapidly growing. Regulation technologies (reg-techs) are becoming essential to the crypto ecosystem, and we need skilled professionals like you to shape the future of secure crypto transactions.

The Impact You'll Have:

As a Staff Backend Engineer at Notabene, you will play a critical role in designing, building, and optimizing high-performance transaction-processing services. You will be part of the Transactions Team, which ensures reliable processing of high-throughput global transaction data.

In this role, you will architect and scale our core transaction-processing services, driving reliability and performance to support growing transaction volumes and emerging crypto use cases. As a Staff Engineer, you'll also influence technical direction, mentor team members, and optimize our architecture for an evolving industry.

What You'll Do:

• Design, build, and maintain high-throughput, low-latency microservices for Notabene’s transaction authorization platform.
• Work closely with product, engineering, compliance, and customer-facing teams to align on technical feasibility and prioritize impactful projects.
• Develop and execute the Transactions Team roadmap, ensuring alignment with business priorities and strategic goals.
• Lead large-scale technical projects from inception to deployment, continuously improving scalability and performance.
• Mentor and support engineers across the Notabene engineering organization.

Must-Have Qualifications:

• 8+ years of professional software engineering experience, with at least 3+ years in a senior or staff-level backend role.
• 3+ years of experience with Node.js, building production-grade applications.
• Strong expertise in distributed messaging systems (e.g., Kafka), including configuration and optimization.
• Deep understanding of event-driven microservices development.
• Proven experience in high-throughput, distributed systems.
• Advanced knowledge of PostgreSQL, SQL optimization, and transactional database architecture.
• Hands-on experience with AWS services and container orchestration tools like Kubernetes and Docker.
• Strong grasp of security principles, including secure data handling, encryption, and best practices in financial/transactional data systems.
• Excellent problem-solving skills and ability to work independently in a global, remote-first company.
• Exceptional communication and writing skills to collaborate effectively across teams.

Nice-to-Have Qualifications:

• Experience with Rust or Go.
• Deep understanding of cryptography, including public/private key encryption and signing.
• Familiarity with decentralized identity, verifiable credentials, and DIDComm protocols.
• Knowledge of low-latency NoSQL datastores.
• Understanding of distributed systems principles beyond Kafka (e.g., consensus protocols, distributed tracing).

Benefits:

• Flexible Remote Work: Work from anywhere in the EU.
• $1000 WFH Stipend: Use within your first year of employment.
• MacBook Pro: Choose a model that meets your needs.
• Unlimited PTO: We trust you to take the time off you need.
• Country-Specific Benefits: Statutory offerings and contributions managed via our employer-of-record.

Apply Today!

If you believe this role aligns with your skills and aspirations, we encourage you to apply—even if you don’t have prior blockchain experience. Whether you're returning to work after a break or taking the next step in your career, we'd love to hear from you.

Notabene is an equal opportunity employer, committed to fostering a diverse and inclusive workplace. We do not discriminate based on race, color, religion, national origin, gender identity, gender expression, age, citizenship, sexual orientation, veteran status, or any other legally protected characteristic.