Senior Performance Software Engineer
Company: Mozilla
Location: Denver
Posted on: August 7, 2022
Job Description:
The Mozilla Firefox Performance team is a community of engineers
who care deeply about delivering the fastest browser possible. We
are the team responsible for making all parts of the browser go
fast.Our team is geographically-distributed, and working in the
open is the norm. We contribute to the code driving the Firefox
browser on a number of platforms - Windows, Android, Linux, and
macOS. Our focus is on finding and fixing things that slow down the
browser as well as helping other teams write fast and reliable code
to make Firefox excellent for users.Do you value curiosity and
enjoy finding a needle in a haystack? Do you approach problems by
looking at the system as a whole? Do you like making things
blazingly fast? If so, we'd love to hear from you.What You'll
Do
- Write code and tests, build prototypes, tackle problems,
profile and analyze performance bottlenecks
- Learn about a wide variety of problems and solutions across a
large, mature codebase (ex: what can slow things down when you have
old code talking to new code and what can we do about it?)
- Use several programming languages (e.g., JavaScript, C++,
Kotlin, Rust, Python) and techniques to fix performance issues
- Help to educate engineers on other teams about writing more
performant code through code reviews, giving talks, and/or writing
documentation
- Work with driven, committed team members to help bring the Open
Web to millions of peopleYour Profile
- BS/MS in CS, CE or 5+ years relevant work experience
- You have a proven understanding in programming performance
critical systems or applications using languages such as C/C++,
Java, or Rust
- You have experience using a performance profiler
- You take an experimental and measured approach to solving
problems (measurement, and using experiments to diagnose an issue
or prove out a solution)
- Strong debugging skills in analyzing performance
bottlenecks
- An interest and ability to work in a distributed team (which
requires good asynchronous written communication skills as well as
good verbal communication skills)Bonus Points If You Have Any Of
The Following
- Systems experience (multithreading and concurrency, disk I/O,
CPU, etc)
- Experience optimizing websites using metrics, for example Web
Vitals
- Familiarity with Android or Windows OS application programming,
profiling and debugging
- A deep understanding of statistics
- Experience working with modern web development workflows,
tools, and programming languages (e.g. JavaScript, React, Preact,
cloud services and hosting solutions)We value a variety of voices
on the Performance Team at Mozilla. You don't need to check every
box on this list to apply.About MozillaMozilla exists to build the
Internet as a public resource accessible to all because we believe
that open and free is better than closed and controlled. When you
work at Mozilla, you give yourself a chance to make a difference in
the lives of Web users everywhere. And you give us a chance to make
a difference in your life every single day. Join us to work on the
Web as the platform and help create more opportunity and innovation
for everyone online.Commitment to diversity, equity, inclusion, and
belongingMozilla understands that valuing diverse creative
practices and forms of knowledge are crucial to and enrich the
company's core mission. We encourage applications from everyone,
including members of all equity-seeking communities, such as (but
certainly not limited to) women, racialized and Indigenous persons,
persons with disabilities, persons of all sexual orientations,
gender identities, and expressions.We will ensure that qualified
individuals with disabilities are provided reasonable
accommodations to participate in the job application or interview
process, to perform essential job functions, and to receive other
benefits and privileges of employment, as appropriate. Please
contact us at hiringaccommodation@mozilla.com to request
accommodation.We are an equal opportunity employer. We do not
discriminate on the basis of race (including hairstyle and
texture), religion (including religious grooming and dress
practices), gender, gender identity, gender expression, color,
national origin, pregnancy, ancestry, domestic partner status,
disability, sexual orientation, age, genetic predisposition,
medical condition, marital status, citizenship status, military or
veteran status, or any other basis covered by applicable laws.
Mozilla will not tolerate discrimination or harassment based on any
of these characteristics or any other unlawful behavior, conduct,
or purpose.Group: DReq ID: R1898
Keywords: Mozilla, Charlotte , Senior Performance Software Engineer, IT / Software / Systems , Denver, North Carolina
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