Senior Data Engineer

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu. To learn more about our Hiring Range System, please click this link.

Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. With more than 225 million people using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security, and more. We never lose sight of our mission – to make the internet better for people. The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation, which means we are beholden only to our mission and not to shareholders. Along with thousands of volunteer contributors around the world, Mozillians design, build, and distribute open-source software that enables people to enjoy the internet on their terms.

About This Team And Role: As a Senior Data Engineer at Mozilla, your primary focus will be on our Analytics Engineering team. This team is responsible for modeling our data, making it accessible to the rest of Mozilla in the appropriate format, and helping them make data-informed decisions. The team also maintains and improves our data platform, including recent initiatives like introducing a data catalog and building data quality checks. Check out the Data@Mozilla blog for more details on some of our work.

What You’ll Do:

• Work with data scientists to design data models, answer questions, and guide product decisions.
• Collaborate with other data engineers to design and maintain scalable data models and ETL pipelines.
• Improve infrastructure for ingesting, storing, and transforming data at scale (tens of terabytes per day).
• Design and build systems to monitor and analyze data from Mozilla’s products.
• Establish best practices for governing sensitive information, ensuring compliance and security.

What You’ll Bring:

• A minimum of 3 years of professional experience in data engineering.
• Proficiency in SQL and Python.
• Experience designing data models to represent business activities for analysis.
• Strong software engineering fundamentals: modularity, abstraction, data structures, and algorithms.
• Ability to work collaboratively with a distributed team in different time zones.

Our team requires skills in various domains. You should be proficient in one or more of the following areas and interested in learning about others:

• Using data to answer questions and guide company decisions.
• Implementing data models, partnering with teams to map business processes, and designing flexible data models for analysis.
• Recommending and implementing new data collection to enhance model quality.
• Experience with data infrastructure: databases, message queues, batch, and stream processing.
• Building modular and reusable ETL/ELT pipelines in distributed databases.
• Working with scalable distributed systems on cloud providers (e.g., Google Cloud Platform).

Commitment to our values includes:

• Welcoming differences;
• Being relationship-minded;
• Practicing responsible participation;
• Having grit.

What You’ll Get:

• Generous performance-based bonus plans for all regular employees.
• Rich medical, dental, and vision coverage.
• Generous retirement contributions with 100% immediate vesting.
• Quarterly all-company wellness days.
• Country-specific holidays plus a day off for your birthday.
• One-time home office stipend and annual professional development budget.
• Quarterly well-being stipend.
• Paid parental leave and employee referral bonus program.
• Other benefits (life/AD&D, disability, EAP, etc., vary by country).

About Mozilla: Mozilla 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 contribute to making a difference in the lives of web users everywhere and have the opportunity to improve your own life daily. Join us in working on the Web as the platform and help create more opportunities and innovations for everyone online.

Commitment to diversity, equity, inclusion, and belonging: Mozilla values diverse creative practices and knowledge, crucial to enriching our core mission. We encourage applications from all individuals, including those from equity-seeking communities. We ensure reasonable accommodations for qualified individuals with disabilities to participate in the application or interview process.

We are an equal opportunity employer and do not discriminate based on race, religion, gender identity, sexual orientation, age, disability, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics.

Group: DReq ID: R2679

Hiring Ranges:

• US Tier 1 Locations: $146,000—$200,000 USD
• US Tier 2 Locations: $135,000—$184,000 USD
• US Tier 3 Locations: $125,000—$170,000 USD