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Senior Software Engineer, Full Stack Authentication

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Cresta

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Location:
Canada

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

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 Cresta’s diverse authentication and security needs for internal workflows and external customer facing integrations.

Job Responsibility:

  • 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 the 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

Requirements:

  • 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
What we offer:
  • We offer Cresta 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

Additional Information:

Job Posted:
January 05, 2026

Employment Type:
Fulltime
Work Type:
Remote work
Job Link Share:

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