Mozilla

Contract Sr Data Analyst (SQL,Telemetry,Browser Engine)

Remote Germany
Level
Senior
Work type
Remote · Germany only

Not stated in the posting: salary, visa.

Open. First seen 26 October 2026.

About the role

The Gecko platform is the core engine of our product experience. To maintain competitiveness and user satisfaction, we must move beyond surface-level metrics to understand the deep correlations between engine performance and real-world user behavior. We currently face challenges with data quality, such as bot contamination in nightly telemetry, which obscures our understanding of true performance trends.

A dedicated analyst is required to bridge the gap between engineering telemetry and actionable product strategy, ensuring that leadership has high-fidelity data to prioritize performance guardrails and technical budgets.

Engineering Deliverables

  • Automated Dashboards: Create and maintain high-level overview dashboards that translate complex performance data into consumable formats for Product Managers and leadership.
  • Telemetry Gap Analysis: Audit the Gecko codebase to identify missing collection points or "probes" necessary for a complete understanding of the product experience.
  • Data Sanitization Frameworks: Develop methodologies and tools to identify and filter data inconsistencies, specifically focusing on isolating bot traffic and hardware-specific noise from telemetry streams.
  • Behavioral Inference Reports: Deliver deep-dive analyses correlating technical performance shifts (e.g., LCP, eTLD+1) with user-facing pain points and engagement trends.

Scope, Skills, and Effort Estimate

Scope

The analyst will focus exclusively on Gecko engine telemetry across multiple platforms (Desktop and Android), collaborating with the Performance Team, Data Team, and Product Leadership.

Required Skills

  • Technical: Advanced SQL (BigQuery/Redash), proficiency in data visualization using AI tooling, and experience with statistical analysis (e.g., Pearson’s correlation, multivariate analysis). Knowledge of Rust/C++ is a strong plus. Strong proficiency with AI tools like Claude Code, Codex, or similar is highly desirable.
  • Domain Knowledge: Ability to understand browser component interactions and their impact on user experience.
  • Soft Skills: Proven ability to work independently, translating technical requirements into business insights.
  • Independent problem solving: Comfortable working in unfamiliar technical problem spaces and figuring out a path forward with minimal guidance, using documentation, experimentation, source code, data, and other available resources.

Hiring Ranges:

Remote Germany

$62,100—$82,800 USD

What this role asks for

Particular to this role

Android · BigQuery

Rare in Mozilla's other 96 open postings.

Standard for data / BI analysis roles

SQL

Common in data / BI analysis postings at any company.

Compared with Mozilla's other open jobs.

The team: Firefox HIRES STEADILY

This role is one of 60 open in Firefox. 39 were posted in the last 30 days and the oldest in February: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

C++ (36 of 60), JavaScript (34 of 60), Rust (30 of 60), Python (26 of 60), CI/CD (18 of 60), TypeScript (18 of 60), Android (14 of 60)

OTHER ROLES ON THIS TEAM

From the team and dates on Mozilla's own job board.

See Data Analyst salaries in Remote →

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