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Senior Software Engineer, Tuning; Auth

Remote / Online - Candidates ideally in
Toronto, Ontario, C6A, Canada
Listing for: Okta for Developers
Remote/Work from Home position
Listed on 2026-02-28
Job specializations:
  • Software Development
    DevOps, Cloud Engineer - Software, Software Engineer, Senior Developer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 CAD Yearly CAD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Senior Software Engineer, Performance Tuning (Auth0)

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.

At Okta, we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box - we’re looking for lifelong learners and people who can make us better with their unique experiences. Join our team! We’re building a world where Identity belongs to you.

Auth0 is a product unit of Okta, focused on the Customer Identity and Access Management (CIAM) space. We are looking for exceptional new team members to join our team and help drive our next level of success. One team, one score! Our vision is to free everyone to safely use any technology. We provide secure access for everyone, but not just anyone.

We process billions of logins per month (and growing!). If you’re a big thinker who is nimble and adaptable, Auth0 may be an ideal place for you to shine.

The Team & Role

Okta is looking for a Senior Software Engineer to join our Performance Engineering team. Auth0's business is growing and evolving quickly. Traffic volume has grown substantially and new features are continually introduced. As a cloud-based SaaS provider, bringing scalable, high performance identity solutions to production at an attractive price is a priority for our business. The Performance Engineering team has a cross-functional charter that involves investigating, identifying, and remediating performance bottlenecks across all parts of our distributed system machinery.

This includes the code we write, data stores, messaging systems, infrastructure, and the points at which different parts of the system communicate with one another. The Performance Engineering team works closely with component owners, test engineers, and architects to identify performance bottlenecks, and then develops software changes or other recommendations to improve performance.

What You Will Do
  • As a Senior Engineer, you will perform analysis and write code to remove performance bottlenecks throughout our software.
  • Develop software in Node.js and some Golang in multiple services that will run in production and help us serve billions of logins per month.
  • Write decision records and RFC’s to communicate technical tradeoffs and approaches and drive awareness and consensus.
  • You will work cross-functionally with service owners, architects, project managers, as well as platform and quality teams to drive performance improvements across our tech stack.
  • You will partner with Staff level performance engineers to identify and optimize performance improvements for application architecture, implementation and telemetry.
  • You will nurture a “shift left” culture for performance. You will work to improve knowledge and awareness of performance management techniques, tools, patterns, and solutions throughout Engineering in order to address performance issues earlier in the software development life cycle.
  • You will have the opportunity to work with all parts of the Customer Identity Cloud service offering, including code, infrastructure, and architecture.
What You Bring
  • Experience in senior software engineering roles in a remote work environment.
  • Strong self-motivation and aptitude for investigation and experimentation.
  • Experience developing application software in Node.js using frameworks such as Hapi.js or Fastify. Familiarity with Golang is also a plus.
  • Experience with API-driven cloud-native distributed system application architecture running in Kubernetes, AWS, and Azure.
  • Experience with APM tools such as Datadog APM, Splunk, Honeycomb, New Relic, Dynatrace, or similar.
  • Familiarity with Postgre

    SQL and Mongo

    DB.
  • Experience designing and executing performance experiments designed to validate performance improvements in key metrics such as requests per second (RPS), P95 and P99 latency, query performance, request concurrency, CPU/memory utilization, and cost efficiency.
  • Excellent written and verbal communication skills. In particular, the…
Position Requirements
10+ Years work experience
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