Senior Software Engineer, Full Stack Authentication

Senior Software Engineer, Full Stack Authentication

Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Our platform combines the best of AI and human intelligence to help contact centers discover customer insights and behavioral best practices, automate conversations and inefficient processes, and empower every team member to work smarter and faster. Born from the prestigious Stanford AI lab, Cresta's co‑founder and chairman is Sebastian Thrun, the genius behind Google X, Waymo, Udacity, and more.

Our leadership also includes CEO, Ping Wu, the co‑founder of Google Contact Center AI and Vertex AI platform, and co‑founder, Tim Shi, an early member of Open AI.

We’ve assembled a world‑class team of AI and ML experts, go‑to‑market leaders, and top‑tier investors including Andreessen Horowitz, Greylock Partners, Sequoia, and former AT&T CEO John Donovan. Our valued customers include brands like Intuit, Cox Communications, Hilton, and Carmax and we’ve been recognized by Forbes and Bain Consulting as one of the top private AI companies in the world.

Join us on this thrilling journey to revolutionize the workforce with AI. The future of work is here, and it’s at Cresta.

Cresta’s Core Platform underpins the company’s entire product portfolio. Our long‑term vision is to build a robust, reliable, secure, and extensible foundation that supports continued innovation, satisfies enterprise customer requirements, and keeps operational costs in check. One critical component for that are scalable authentication systems, tools, processes and frameworks based on industry standards and security best practices. Our authentication team will be responsible for building, maintaining and delivering these requirements.

The authentication team will work closely with our security team and the different teams that depend on these utilities and frameworks to meet Creta’s diverse authentication and security needs for internal workflows and external customer‑facing integrations.

• Play a substantial role in the platform frontend and authentication engineering team.
• Work with Creta product and engineering teams, build and continuously improve the Creta platform and new product requirements.
• Stay closely with customers and their requirements, analyze the technical tradeoffs, own the customer‑facing deliverables.
• Demonstrate the engineering best practices in deliverables and daily work. Uphold others to the same high standards.
• Technical ownership in a substantial part of the Creta authentication stack.
• Contribute to building the best‑in‑class company in addition to building the best‑in‑class product.
• Full‑stack support for Creta’s 1st‑party and 3rd‑party authentication systems (frontend and backend).
• The authentication team is responsible for building systems to authenticate users, service accounts, virtual agents, server workloads, cloud‑based authentication for external integrations, etc.
• Expanding Creta’s BYOID (Bring Your Own Identity) repertoire.
• Securing sign‑in (password authentication, multi‑factor authentication, etc.) and application access.
• Building customized, streamlined and frictionless customer‑specific auto‑login systems.
• Improving and migrating from legacy authentication systems to more modern industry‑based, standardized and secure systems.

• Bachelor’s degree in Computer Science or related field. Strong Computer Science fundamentals.
• 8+ years of experience in relevant domains (Identity and Access Management).
• Very solid coding skills.
• Experience in various authentication protocols (OAuth 2.0, OIDC, SAML 2.0, FIDO 2.0, etc.).
• Golang for backend services (gRPC, Protobuffers).
• Postgres, Redis, Kubernetes, cloud‑based services (AWS), etc.
• Familiar with React or Angular. Have used at least one of them in large‑scale consumer‑facing products.
• Proficient in designing and maintaining clear end‑to‑end authentication systems.
• Experience as a technical lead of full‑stack supporting various authentication and security product features.

• Medical, dental, and vision plans, designed to fit…