Release Engineer: CI/CD & Build Automation

Kibbi Technologies Inc.; Toronto; On-site; CAD 74,000 - 110,000; Full time

Benefits offered by this job

Bonus plans

Medical, dental, and vision coverage

Retirement contributions

Home office stipend

Professional development budget

Well‑being stipend

Parental leave

Employee referral program

Other benefits

Job summary

Mozilla Corporation is seeking an engineer for Release Engineering (RelEng) to ensure reliable delivery of our software products across platforms and locales. You will help scale the build and deployment pipeline and collaborate with a global team to ship security fixes swiftly.

The role emphasizes release automation, cross‑platform development, and close collaboration with senior engineers to continuously improve our deployment processes during business hours.

Qualifications

• Bachelor's degree in computer science or related field or equivalent work experience.
• Minimum of 2 years of experience in an object-oriented programming language (preferably Python).
• Passionate about CI/CD pipelines and release automation.
• Experience with cloud resources (AWS, GCP, or Azure).
• Comfort developing in Windows, macOS, and Linux; shell scripting experience.
• Experience with distributed teams across time zones.
• Ability to improve existing code bases and tools.

Responsibilities

• Write scalable software with thousands of tasks for building, testing, and releasing Firefox daily.
• Collaborate with senior engineers to improve developer experience and implement changes.
• Work with a geographically distributed team across North America and Europe.
• Participate in code reviews and provide/receive feedback.
• Respond to critical service outages during normal hours (no on-call rotation).

Skills

Python

CI/CD

Cloud computing

Shell scripting

Distributed teams

Cross-platform

Education

Bachelor's degree in CS or related

Tools

AWS

GCP

Azure

Job description

Mozilla Corporation is seeking an engineer for Release Engineering (RelEng) to ensure reliable delivery of our software products across platforms and locales. You will help scale the build and deployment pipeline and collaborate with a global team to ship security fixes swiftly.

The role emphasizes release automation, cross‑platform development, and close collaboration with senior engineers to continuously improve our deployment processes during business hours.