Senior Performance Engineer: Blazing Web Speeds

Mozilla; Toronto; On-site; CAD 149,000 - 220,000; Full time

Benefits offered by this job

Performance bonuses

Medical, dental, vision

Retirement contributions

Job summary

Mozilla Corporation, a leader in open-source web technologies, is seeking engineers for its Firefox Performance team. The role involves delivering the fastest browser possible across Windows, Android, Linux, and macOS, with a focus on C++ and JavaScript and performance profiling across diverse platforms.

You will collaborate with distributed teams, educate engineers on writing faster code, and drive actionable performance improvements through measurement and experimentation.

Qualifications

• BS/MS in CS or CE with 7+ years of relevant experience.
• Strong C++ and JavaScript programming skills.
• Proven performance-critical software development experience.

Responsibilities

• Write code and tests, profile and fix performance bottlenecks.
• Work with distributed teams to improve browser performance across platforms.
• Educate engineers on performance best practices through reviews and documentation.
• Lead performance initiatives and set priorities for improvements.

Skills

C++

JavaScript

Profiling tools

Multithreading

Debugging

Asynchronous communication

Education

BS/MS in CS or CE

Tools

VTune

Xperf

Profiling

Job description

Mozilla Corporation, a leader in open-source web technologies, is seeking engineers for its Firefox Performance team. The role involves delivering the fastest browser possible across Windows, Android, Linux, and macOS, with a focus on C++ and JavaScript and performance profiling across diverse platforms.

You will collaborate with distributed teams, educate engineers on writing faster code, and drive actionable performance improvements through measurement and experimentation.