Senior Full Stack Engineer

Location: US California - Office

Department: R&D

OneSpan helps the world's leading banks, enterprises, and governments secure digital identities, transactions, and agreements. We empower critical infrastructure organizations to thrive by enabling secure, compliant, and frictionless digital interactions. Trusted by 60% of the world's top 100 banks, we protect over 300 million endpoints globally with award-winning authentication, mobile app security, and anti-fraud solutions. Our Passkey Solution — built on FIDO2/WebAuthn — represents a cornerstone of our next-generation authentication portfolio and a recognized market-leading product. Join us in shaping the passwordless future.

 About the Role

We're looking for a Senior Full-Stack Software Developer to join our team in San Jose, CA. In this role, you will design, build, and maintain backend services and web applications used at large scale. You'll work across the stack — from RESTful APIs and database-backed services to the interfaces that expose them — and partner with cross-functional teams to ship reliable, high-quality software.

What You'll Do

• Design and build backend services and RESTful APIs.
• Build, integrate, and maintain web user interfaces that interact with backend systems.
• Design and develop large-scale, NoSQL and/or relational database-backed applications.
• Contribute to technical design discussions and participate in code reviews.
• Collaborate with cross-functional distributed teams to deliver reliable, high-quality software.

What You'll Bring

• 7+ years of experience in software product development with customer-facing systems at scale.
• Strong experience with Java, REST APIs, and relational/NoSQL databases.
• Practical experience designing and implementing microservices.
• Familiarity with modern front-end frameworks.
• Hands-on experience with Docker and cloud-based deployments.

Preferred

• Exposure to Kubernetes and cloud-native environments.
• Experience using AI coding tools (e.g., Claude Code, GitHub Copilot).

Why Join OneSpan

• Lead the product strategy for a market-leading passkey solution trusted by some of the world's largest banks.
• Work at the frontier of FIDO2/passkey technology with a team that has been in the space from the beginning.
• Collaborate with a global team of security experts and make a tangible impact protecting hundreds of millions of users.
• The opportunity to shape a category-defining product at the forefront of the passwordless movement, with real impact on how hundreds of millions of people authenticate.
• Be part of a company recognized as a KuppingerCole 2026 Leadership Compass leader in Passwordless Authentication for Enterprises.

Candidates must be authorized to work in the United States on a permanent basis without the need for employer sponsorship.

Salary: $160,000 - $195,000 (depending on experience and qualifications).

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