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Senior software developer (authentication team)

Dublin
Deepstreamtech
Software developer
Posted: 18 May
Offer description

Requirements

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
Other Qualification:
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)

What the job involves

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!
Join our Authentication Security team as an experienced Software Developer to design and build highly resilient authentication systems for our platform
We’re looking for a hands‑on technical leader who loves building highly scalable, distributed 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
Define the vision, strategy, and roadmap for the security platform in partnership with engineering and product leadership
Design and build robust, high‑performance services, libraries, and APIs to ensure secure and reliable authentication
Develop tools to improve code reliability and streamline the adoption of our security services
Leverage and champion good software design patterns and principles
Collaborate closely with support and engineering teams to resolve customer issues, fix bugs, and implement new features
Contribute to a collaborative team culture that fosters iteration and innovation
Demonstrate excellence when working autonomously, with an understanding of when to seek support from team members
Participate in on‑call rotation and lead incident response for services to ensure quick service restoration during events
Possess the ability to work effectively with both technical and non‑technical stakeholders to deliver high‑value results

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