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Software Engineer, FGA Core; Auth

Job in Toronto, Ontario, C6A, Canada
Listing for: Okta for Developers
Full Time position
Listed on 2026-01-01
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 154000 CAD Yearly CAD 154000.00 YEAR
Job Description & How to Apply Below
Staff Software Engineer, FGA Core (Auth0)
Join to apply for the  Staff Software Engineer, FGA Core (Auth0)  role at  Okta for Developers

6 days ago Be among the first 25 applicants

Get to know Okta
Okta is The World’s Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth.

The Team
The Fine-Grained Authorization (FGA) team builds and operates the high‑availability, multi‑region SaaS platform that provides flexible, high‑performance authorization for our customers. We are focused on solving the complex engineering challenge of modeling intricate permissions at a massive scale. Our service is built on Relationship-Based Access Control (ReBAC), a powerful model that allows developers to define and query complex access rules that go beyond the limitations of traditional authorization models.

What You’ll Be Doing

Design, develop, and maintain scalable, performant, and secure authorization solutions

Architect the FGA platform for extreme performance, establishing and guaranteeing millisecond‑level p99 check latencies and horizontal scalability to handle millions of QPS.

Lead the deep design, continuous benchmarking, and relentless optimization of the core data models, query paths, and distributed caching strategies to meet these critical performance targets.

Write clean, maintainable, and efficient code. Perform code reviews and ensure adherence to coding best practices

Diagnose and resolve issues in authorization systems, ensuring reliability, performance, and security

Engage in continuous improvement initiatives, including refactoring code to meet new requirements and optimizing system performance

Create and maintain comprehensive documentation for all developed features and systems

Mentor and guide junior engineers, providing technical leadership and fostering a culture of continuous learning and improvement

Participate in the team's on‑call rotations to make sure we offer our customers the best availability for our services

What You’ll Bring To

The Role

8+ years of professional software engineering experience, with a focus on Distributed Systems

At least 3+ years of experience in designing, implementing, and optimizing production‑grade, high‑performance algorithms.

Deep expertise in advanced graph theory applied to large‑scale, low‑latency systems and a strong command of set theory and Boolean algebra.

Experience with programming and optimization of applications that require extremely low latency and high throughput

Expertise in Go programming language

Experience with cloud platforms, specifically AWS

Knowledge of identity and access management principles

Strong understanding of performance optimization, including chasing milliseconds and Big O notation

Strong teamwork and communication skills, with the ability to work effectively in a diverse and inclusive team environment

Experience working in an asynchronous remote environment

Excellent analytical and problem‑solving skills, with the ability to troubleshoot and debug complex issues

And extra credit if you have experience in any of the following!

Background in Mathematics or demonstrable experience applying statistical methods and probabilistic models to query optimization.

Experience with OpenFGA

Annual Salary (Canada)
The annual base salary range for this position for candidates located in Canada is between: $154,000—$230,000 CAD. Your actual salary will depend on factors such as your skills, qualifications, and experience. In addition, Okta offers equity (where applicable), bonus, and benefits, including health, dental, and vision insurance, RRSP with a match, healthcare spending, telemedicine, and paid leave (including PTO and parental leave) in accordance with our applicable plans and policies.

To learn more about our Total Rewards program, please visit:

What you can look forward to as a Full‑Time Okta employee!

Amazing Benefits

Making Social Impact

Developing Talent and Fostering Connection + Community at Okta

Seniority level

Mid‑Senior level

Emplo…
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