Über
open‑source
software that enables people to enjoy the internet on their terms.
As a Senior Data Engineer at Mozilla, you will be a key member of our Data Engineering team. This team manages the entire data lifecycle: ingesting and transforming raw data into reliable, high quality models that empower Mozillians to make data‑informed decisions. You’ll bridge the gap between our technical systems and our business needs, helping us build a better data platform while making sure the data itself is easy for other teams to use and trust. Recent platform improvements the team has driven include launching a data catalog, introducing data observability, and implementing a medallion architecture to ensure our data is reliable, accurate, and accessible.
What you’ll do
Build the pipes:
Build and manage our business data pipelines and transform Firefox telemetry data into structured, high‑quality datasets Mozillians can rely on.
Make data make sense:
Partner with data scientists, product, and marketing teams to turn complex datasets into the models and metrics that drive Mozilla’s decisions.
Be a guardian of data quality:
Ensure our datasets stay accurate and performant by using observability tools to monitor quality and by joining a weekly triage rotation to resolve data issues as they arise.
Evolve our platform:
Partner with other data engineers and platform engineers to improve how we work.
Maintain data integrity:
Ensure our data governance and privacy policies are implemented and enforced across the tens of terabytes of data flowing through our systems daily.
What you’ll bring
Experience:
At a minimum, 4 years of professional experience in data engineering.
Technical skills:
Proficiency in SQL and Python, and an eagerness to integrate AI into data engineering workflows to help us scale.
Data modeling:
Experience mapping complex business processes into extensible, analytical data models. You have a clear vision for long‑term architecture but prefer an incremental approach that delivers immediate value while allowing our models to evolve.
Strong software engineering fundamentals:
Build modular, reusable code and efficient logic that remains performant when processing data at our scale.
Self‑directed execution:
Comfortable taking a high‑level goal and turning it into a plan. Track record of owning projects from start to finish, managing blockers, and keeping your team in the loop.
Collaborative spirit:
Strong communication skills and ability to work effectively with a distributed team across different time zones.
Domain expertise (any of the following):
Recommending and implementing new data collection methods to improve model quality.
Using data to answer specific questions and guide company decisions.
Experience with cloud distributed systems (we use GCP), including distributed databases, message queues, and batch/stream processing.
Ensuring data is safe to depend on through smart orchestration, error handling, and idempotency.
Commitment to our values:
Being relationship‑minded.
Having grit.
What you’ll get
Generous performance‑based bonus plans for all eligible 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.
Quarterly well‑being stipend.
Considerable paid parental leave.
Employee referral bonus program.
Other benefits (life/AD&D, disability, EAP, etc. — varies 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 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 belonging Mozilla 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 women, racialised 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.
Equal Opportunity Employer / EEO Statement We are an equal‑opportunity employer. We do not discriminate on the basis of race, religion, colour, gender, gender identity, gender expression, national origin, ancestry, domestic partnership, pregnancy, age, disability, sexual orientation, 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 conduct or purpose.
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Sprachkenntnisse
- English
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