Jobs at Mozilla

Leads the design and development of Mozilla’s data platform, processing tens of terabytes daily. Builds GCP workflows using Dataflow, BigQuery, Pub/Sub, GKE, and Airflow; evaluates technologies; establishes engineering standards; partners with Data Science, Product, Legal, Policy, and Engineering; develops data abstractions; mentors engineers; and supports evolving data products.

Designs and improves large-scale data processing systems and GCP workflows using Dataflow, BigQuery, Pub/Sub, GKE, and Airflow. Evaluates technologies, establishes engineering standards, leads cross-functional data projects, develops data abstractions with Data Science, mentors engineers, and supports evolving data products.

Design and improve large-scale data processing and platform systems handling tens of terabytes daily. Build GCP workflows using Dataflow, BigQuery, Pub/Sub, GKE, and Airflow; evaluate technologies; establish engineering standards; lead cross-functional projects; mentor engineers; collaborate with Data Science; and develop data abstractions and active data products.

Own full-stack AI product features from concept through launch, adoption, and iteration. Translate user, partner, and enterprise needs into reliable product experiences involving AI chat, search, research, workflow automation, administration, and integrations. Build and test across front-end, back-end, APIs, and infrastructure-adjacent areas; make product and technical tradeoffs; measure adoption and reliability; and establish reusable engineering patterns. Collaborate with product, design, enterprise teams, leadership, open-source contributors, and external partners in a remote environment.

Own full-stack product engineering for Thunderbolt, an open-source enterprise AI platform. Translate user, partner, and enterprise requirements into AI-powered chat, search, research, automation, administration, integrations, and workflow features. Lead work from concept through launch, adoption measurement, and iteration while balancing usability, reliability, security, maintainability, and enterprise needs. Collaborate with product, design, engineering, enterprise teams, open-source contributors, and technical leadership to establish reusable patterns and ship high-quality software.

Manage a portfolio of major donors, personally solicit and close five-, six-, and seven-figure gifts, and advance relationships through cultivation, solicitation, and stewardship. Maintain accurate Salesforce records, identify and qualify prospects, develop tailored proposals and impact stories, deliver stewardship activities, and partner with executives, program staff, and prospect research. The role also supports donor renewal, increased giving, annual-to-major gift pathways, and consistent revenue growth.

Build and own full-stack AI product features from concept through launch, adoption, and iteration. Translate user, partner, product, and enterprise requirements into reliable experiences for AI chat, search, research, workflow automation, administration, and integrations. Collaborate across engineering, product, design, enterprise teams, and open-source contributors. Evaluate AI tooling, make technical and product tradeoffs, write maintainable tested code, measure product adoption and reliability, and establish reusable patterns for an enterprise-ready open-source platform.

Owns multi-entity accounting across nonprofit and for-profit organizations, including general ledger operations, financial close, reporting, treasury, tax coordination, audits, internal controls, reconciliations, and accounting systems. The role prepares financial statements, manages inter-company accounting, supports budgeting and forecasting, coordinates compliance and external advisors, and improves scalable finance processes and systems.

Develop and scale software supporting Firefox’s build, test, and release pipelines. Improve developer experience through release automation, collaborate with distributed engineering teams, participate in code reviews, maintain existing tools and codebases, and respond to critical service outages during normal working hours.

Develop and optimize scalable release automation, build, testing, and deployment pipelines for Firefox. Collaborate with distributed engineering teams, improve developer experience, conduct code reviews, maintain existing tools and codebases, and respond to critical service outages during business hours. The role requires object-oriented programming experience, preferably Python, cloud experience, CI/CD knowledge, shell scripting, and comfort working across Windows, macOS, and Linux.

Develop and maintain scalable release automation for Firefox, including build, test, and deployment pipelines running tens of thousands of daily tasks. Improve developer experience, collaborate with distributed engineering teams, conduct code reviews, maintain existing tools and codebases, and respond to critical service outages during business hours. The role requires object-oriented programming experience, preferably in Python, cloud exposure, cross-platform development, and shell scripting.

Lead design-engineering for Thunderbolt by turning ambiguous AI product ideas into prototypes and production-ready front-end experiences. Build prototypes in the codebase, define AI interaction patterns, improve usability/accessibility, create reusable components and design-system elements, and partner with cross-functional teams to ensure enterprise readiness, security, and user trust.

Build functional prototypes and production-quality front-end experiences for an open-source AI product. Translate ambiguous ideas, workflows, partner feedback, and enterprise needs into usable interfaces. Define interaction patterns for chat, search, automation, knowledge retrieval, and administration while improving accessibility, consistency, security, transparency, and trust. Collaborate across product, design, engineering, and enterprise teams; contribute reusable components and design-system patterns; and provide technical leadership through mentoring, experimentation, and product judgment.

Build functional prototypes and production-quality front-end experiences for Thunderbolt, an open-source AI client. Translate ambiguous ideas and enterprise needs into usable workflows, interaction patterns, and AI-powered product experiences. Collaborate with product, design, engineering, and enterprise teams; contribute code, reusable components, design-system elements, accessibility improvements, and user-centered guidance around trust, privacy, security, permissions, and responsible AI.

Lead Mozilla’s Marketing Data Science strategy and roadmap for Firefox. Drive attribution, ROI, campaign measurement, budget optimization, causal lift testing, brand impact analysis, retention and LTV modeling, audience segmentation, reporting infrastructure, dashboards, and scalable data tools. Mentor and develop team members, partner with cross-functional data science and marketing leaders, translate complex analyses into actionable recommendations, and evaluate emerging AI tools to improve workflows and business impact.

Lead Mozilla Firefox’s global Marketing Data Science strategy and roadmap. Own measurement for attribution, ROI, campaign performance, brand impact, retention, and lifetime value. Develop capabilities for budget optimization, causal lift testing, audience segmentation, reporting, dashboards, scalable data models, and internal tools. Lead and develop the team, prioritize complex workstreams, partner with marketing and data science leaders, communicate actionable insights, and responsibly evaluate emerging AI tools.

Lead Mozilla Firefox’s Marketing Data Science strategy, roadmap, and team capabilities. Own global marketing data strategy, attribution, ROI and campaign measurement, budget optimization, lift testing, brand impact analysis, retention and lifetime-value modeling, audience segmentation, reporting infrastructure, dashboards, data models, and internal tools. Mentor talent, prioritize complex initiatives, communicate insights to varied stakeholders, and responsibly evaluate AI tools that improve marketing workflows and support business growth.

Define and execute Firefox Desktop search strategy across Windows, macOS, and Linux. Own search roadmaps, experimentation, engagement and revenue metrics, AI-powered search experiences, partner commitments, and cross-functional delivery. Balance user experience, privacy, technical constraints, and business outcomes while collaborating with Engineering, Design, Research, Data Science, and Business Development.

Develop and optimize Firefox across platforms by writing code and tests, profiling bottlenecks, improving performance-critical systems, and shaping benchmarks and team strategy. The role uses C++ and JavaScript primarily, with Kotlin, Rust, and Python, while collaborating across engineering teams, mentoring developers, and driving performance initiatives from high-level objectives to completion.

Define and execute Firefox Desktop search strategy across Windows, macOS, and Linux. Own roadmap, experimentation, search engagement, revenue outcomes, AI integration, and success metrics. Partner with Data Science, Business Development, Engineering, Research, and Design to deliver privacy-respecting search experiences, manage partnerships, balance user and business objectives, and guide strategic planning.