Senior Software Engineer - 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. About The Role 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 is scalable authentication systems, tools, processes and frameworks based on industry standards and security best practices. The authentication team will be responsible for building, maintaining and delivering these requirements. The team works closely with our security team and the different teams that depend on these utilities and frameworks to meet Cresta’s diverse authentication and security needs for internal workflows and external customer‑facing integrations. Responsibilities Play a substantial role in the platform frontend and authentication engineering team. Work with Cresta product and engineering teams, build and continuously improve the Cresta 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 Cresta authentication stack. Contribute to building the best‑in‑class company in addition to building the best‑in‑class product. Full‑stack support for Cresta’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 Cresta’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. What We Are Looking For 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, Protocol Buffers). 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. Perks & Benefits We offer employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs. Paid parental leave to support you and your family. Monthly Health & Wellness allowance. Work‑from‑home office stipend to help you succeed in a remote environment. Lunch reimbursement for in‑office employees. PTO: 3 weeks in Canada. Compensation for this position includes a base salary, equity, and a variety of benefits. Actual base salaries will be based on candidate‑specific factors, including experience, skill set, and location, and local minimum pay requirements as applicable. We are actively hiring for this role in the US and Canada. Your recruiter can provide further details. This posting will be used to fill a newly‑created role. We have noticed a rise in recruiting impersonations across the industry, where scammers attempt to access candidates' personal and financial information through fake interviews and offers. All Cresta recruiting email communications will always come from the @cresta.ai domain. Any outreach claiming to be from Cresta via other sources should be ignored. If you are uncertain whether you have been contacted by an official Cresta employee, reach out to View email address on click.appcast.io #J-18808-Ljbffr Cresta