×
Register Here to Apply for Jobs or Post Jobs. X

Senior Software Engineer

Job in Ottawa, Ontario, Canada
Listing for: Mozilla
Full Time position
Listed on 2026-08-04
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 90000 - 130000 CAD Yearly CAD 90000.00 130000.00 YEAR
Job Description & How to Apply Below
  • And delivering critical functionality to Firefox and millions of users worldwide
  • Our portfolio spans a diverse set of platforms and services. Representative examples include Privacy Services, which provides the APIs and infrastructure behind Mozilla VPN, Relay (email and phone aliasing), and Monitor (data breach detection and remediation);
    Auto Push, Mozilla’s Web Push platform for securely delivering notifications and real-time updates to Firefox clients; and Remote Settings, Mozilla’s platform for delivering configuration updates to Firefox outside the regular release cycle. Together with many other backend platforms across the organization, these services help deliver secure, reliable experiences to Mozilla users every day
  • Our teams own services end-to-end from designing and building distributed systems, to operating them in production, improving reliability, and evolving the cloud infrastructure they run on. We work closely with product, frontend engineering, Cloud Engineering, UX, and design partners to build resilient systems that make the web better for everyone
  • We’re hiring backend engineers across multiple Ecosystem Services teams, each tackling different technical challenges while sharing a culture of ownership, collaboration, and operational excellence. More details about the specific teams and domains will be shared during the interview process
  • Lead backend development, building and maintaining server-side logic
  • Take real ownership of the services you work on: deploy them, operate them, and keep them healthy in production rather than handing them off
  • Work closely with our Cloud Eng Team to maintain and improve production environments, including monitoring and alerting with tools such as Open Telemetry, Sentry, Prometheus, and Grafana
  • Participate in an on-call / off-hours support rotation, triaging and resolving production issues, partnering with Cloud Eng and support teams to investigate incidents, address bug reports, and keep the application running reliably
  • Periodically rotate into a support role, handling releases, dependency updates, and incoming work requests from customer support and other stakeholders
  • Thoughtfully apply AI-assisted development tools to move faster and raise quality, while maintaining good judgment about where they fit and where they don’t
  • Partner with and support stakeholders (e.g. front-end, platform), ensuring backend systems, APIs, and data contracts meet their needs
  • Partner with frontend and cross-functional teams to align on project goals, contribute to API design, and ensure backend systems, APIs, and data contracts meet their needs
  • Participate in code reviews to maintain high standards of code quality and system reliability
  • Participate in security and privacy reviews, ensuring all data protection measures meet compliance standards
Benefits
  • Health and wellness:
    Mozilla covers medical, dental and vision plan premiums at 100% for U.S. and Canadian employees. Our offerings give you the options you need to manage your health — and your family’s — the way you want.
  • Mental health:
    Mental health is as important as our physical health. That’s why Mozilla’s health benefits include therapy and coaching sessions to make sure our people have access to the care they need.
  • Time away:
    With all of life’s demands, time away from work to disconnect and recharge is essential. In addition to country-specific holidays (12 in the U.S. and Canada), vacation and sick time start accruing right away (specifics vary by country). Everyone also takes a pause together on quarterly all-company wellness days, plus you get to celebrate the most personal holiday of all: your birthday.
  • Parental leave:
    While Mozilla’s parental leave policies vary globally, our U.S. and Canadian-based employees can look forward to 26 weeks of paid leave for childbearing parents and 12 weeks of paid leave for non-childbearing parents.
  • Financial:
    Mozilla is a private company, so our compensation isn’t tied to stock options or equity plans. Instead, we offer generous, performance-based bonus plans to all regular employees to underscore that we share in our success as one team. As for retirement savings for US and…
Position Requirements
10+ Years work experience
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary