Senior Software Developer - Authentication

Your work days are brighter here.

We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and agents, we’re shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join, you’ll feel it. Not just in the products we build, but in how we show up for each other. Our culture is rooted in integrity, empathy, and shared enthusiasm. We’re in this together, tackling big challenges with bold ideas and genuine care. We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. Whether you're building smarter solutions, supporting customers, or creating a space where everyone belongs, you’ll do meaningful work with Workmates who’ve got your back. In return, we’ll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul. So, if you want to inspire a brighter work day for everyone, including yourself, you’ve found a match in Workday, and we hope to be a match for you too.

About the Team

At Workday, the Authentication Security team is the cornerstone of our user trust and safety. We build and maintain the critical services that act as the front door to our entire ecosystem. Our mission is to provide secure, scalable, and seamless access for millions of users, protecting their data while enabling a frictionless experience. We are a team of passionate engineers dedicated to solving complex challenges in the authentication and identity space!

About the Role

We are seeking an experienced Senior Software Developer to join our Authentication Security team. This is a critical role for a hands-on engineer who is passionate about building high-scale distributed systems and robust security infrastructure. You will work closely with the team to architect and implement critical authentication standards (OIDC, SSO, SAML, FIDO), while ensuring our services remain resilient under heavy load.  As a technical leader you will thrive in ambiguity, turning abstract security requirements into concrete, robust solutions. If you are a problem-solver who enjoys navigating complex security architecture, and mentoring others to do the same, this is your opportunity to shape the future of our platform.

What You’ll Do

• Partner with leaders in engineering and products to define the vision, strategy, and roadmap for the security platform

• Design and build high-performance services, libraries, and APIs that keep authentication reliable and secure. 

• Work closely with support and engineering teams to address customer issues, fix bugs, and build new features.

• Participate in on-call rotation and lead incident response for services to restore service quickly during events.

• The ability to work well with technical and non-technical people to deliver high-value results.

• Develop tools to enhance code reliability and streamline adoption of our security services

• Excellence when working autonomously, knowing when to seek help from team members.

• Leverage good software design patterns and principles 

• Contribute to a collaborative team culture that encourages iteration and innovation.

About You

About You

Basic Qualifications:

• 7+ years of software development experience, leading technical initiatives, designing complex systems, and ensuring the scalability and maintainability of software products

• 7+ years of experience in object oriented programming such as Java, Scala, Kotlin

• Deep understanding of patterns for resilient services such as backpressure, idempotency, timeouts, and circuit-breaking strategies.

• Deep expertise and experience in API Development (REST) and designing and building microservices

• Bachelor's degree in a computer related field or equivalent work experience 

• Strong understanding of IAM Concepts.

• Knowledge/ experience with developing security, identity, authentication, authorization solutions and open standards such as SAML and OIDC 

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Other Qualifications:

• Expert knowledge of identity protocols and standards, including OAuth 2.0, OpenID Connect (OIDC), and SAML.

• Knowledge of different data storage technologies, such as Redis and MySQL.

• Working experience with source control and CI/CD tools such as Git, BitBucket, Jenkins.

• Knowledge of Docker and container orchestration frameworks such as Kubernetes.

• Experience with observability and monitoring tools such as Prometheus, Grafana, or OpenTelemetry.

• Proven ability in writing technical design documents and collaborating within a software development team

• Experience with relational database technologies (e.g. PostgreSQL, MySQL, or SQL Server)

Pursuant to applicable Fair Chance law, Workday will consider for employment qualified applicants with arrest and conviction records.

Workday is an Equal Opportunity Employer including individuals with disabilities and protected veterans.

Are you being referred to one of our roles? If so, ask your connection at Workday about our Employee Referral process!