Mozilla

Solutions Engineer

• Partner with Sales to support strategic enterprise opportunities across DACH.
• Lead technical discovery and solution design with customers and partners.
• Run workshops with customer stakeholders across security, infrastructure, IAM, endpoint management, and workplace technology.
• Own the relationship to the customer’s technical counterparts during and after the sales process.
• Help customers evaluate Firefox Enterprise in areas such as deployment, policy management, identity integration, logging, security controls, and operational fit.
• Design and support pilots, proofs of concept, and rollout plans.
• Advise customers on deployment models, architecture decisions, and integration approaches for enterprise environments.
• Validate interoperability across systems such as SSO, MFA, SIEM, proxy/network controls, endpoint tooling, certificates/PKI, and browser policy frameworks.
• Identify and help resolve technical risks early, including application compatibility, certificate handling, deployment complexity, and policy enforcement requirements.
• Create reusable technical assets such as reference architectures, deployment guidance, validation plans, and technical enablement materials.
• Support and enable partners involved in deployment, integration, and customer success.
• Champion Mozilla’s values of openness, trust, and user agency in every customer interaction.

Senior Solutions Engineer, DACH

Full-stack Engineer

• Implement and maintain WebExtensions APIs and Addon Management, balancing power, safety, and performance, as well as user interfaces in Firefox.
• Debug and fix issues affecting extensions in Firefox.
• Collaborate with product managers, QA, and the AMO engineering team to deliver features end-to-end.
• Contribute to Mozilla-owned extensions and system add-ons.
• Participate in open source workflows: code reviews, pull requests, and discussions in Bugzilla/GitHub.
• Support extension developers by helping diagnose issues and improving tooling/documentation.

Senior Software Engineer, WebExtensions

• Implement and maintain WebExtensions APIs and Addon Management, balancing power, safety, and performance, as well as user interfaces in Firefox
• Debug and fix issues affecting extensions in Firefox
• Collaborate with product managers, QA, and the AMO engineering team to deliver features end-to-end
• Contribute to Mozilla-owned extensions and system add-ons
• Participate in open source workflows: code reviews, pull requests, and discussions in Bugzilla/GitHub
• Support extension developers by helping diagnose issues and improving tooling/documentation

Application Engineer

• Plan, review, and revise functional configuration, customizations, automation and enhancements, system maintenance, and business process testing, which includes running custom fields, forms, records, workflows, searching and reporting, and user roles to support business requirements
• Build and maintain reporting, integrations, and automation workflows to improve data flow and operational efficiency
• Research and resolve issues, design new workflows
• Provide thought leadership in best practices and provide solutions
• Maintain knowledge of the latest technology and software for integration to improve the process and user interaction with the systems
• Lead new releases, test updates, and effectively roll out new features
• Ability to work in a rapidly changing environment
• Ability to communicate clearly and concisely; ability to lead discovery interviews to understand business problems and desired outcomes
• Ability to work independently with minimal guidance
• Act as liaison with Third-Party Vendor Support
• Provide internal, ongoing system/technical support to users
• Identify, evaluate, and recommend other key technologies required to support and improve the business process centered on the ERP ecosystem
• Provide reporting and partner with FP&amp;A to deliver insights, improve data integrity, and streamline financial analysis
• Drive end-to-end Order-to-Cash (O2C) execution across billing, payments, and revenue operations

Senior Application Engineer

Product Manager

• Drive the vision, strategy, and execution for our privacy-preserving advertising products (e.g., targeting, search suggestion monetization, ad formats).
• Drive rapid hypothesis testing and experiment-led product development to improve ad relevance, user experience, and advertiser ROI-while preserving privacy.
• Orchestrate execution across Ads Engineering, Data Science, Firefox Platform, Design, Legal/Policy, Trust & Safety, Finance, and GTM. Convert strategy into crisp product requirements and cross-team plans.
• Co-create user-first ad experiences and performant services (decisioning, delivery, measurement) that meet strict latency, quality, and accessibility standards. Provide clear problem framing and success criteria; give actionable design and technical feedback that raises product quality and delivery velocity.
• Partner with BD/Sales to shape deal structures and launch new supply and demand integrations (e.g., PMP, SSP/DSP, measurement). Define product terms, API/SDK requirements and success metrics: influence pricing and packaging; steward marquee partnerships from tech evaluation through scaled adoption.
• Establish the experimentation and measurement backbone for Ads (instrumentation, event quality, dashboards). Set and track KPIs such as RPM/eCPM, CTR, fill rate, viewability, latency SLOs, advertiser retention, and user sentiment/trust signals. Use privacy-preserving analytics to guide roadmap bets and protect the user experience with guardrails.
• Deliver exec-ready narratives, PRDs, and decision memos that clarify trade-offs and drive alignment. Represent Ads strategy and results to Mozilla leadership, cross-functional partners, and external stakeholders; set a strong operating cadence for multi-team programs.
• Anticipate and respond to platform and regulatory shifts (e.g., cookie deprecation, privacy standards, ATT, IAB specs). Continuously translate market and ecosystem signals into strategy, ensuring Mozilla leads on privacy-preserving advertising.
• Champion Mozilla’s point of view on trustworthy, user-respecting ads and open standards. Influence industry forums and standards, publish insights, and build relationships that elevate Mozilla’s role in the ecosystem.

Senior Product Manager, Advertising Products

Data Scientist

• Own the analytical strategy for a product area: identifying the highest-leverage questions, defining the measurement framework, and ensuring data-driven decisions
• Serve as a strategic partner to product and engineering leadership, translating ambiguous business problems into analytical approaches and clear, actionable recommendations
• Define north-star metrics and measurement strategies to set goals, evaluate progress, and make trade-offs
• Design and oversee experiments and causal analyses, ensuring methodological rigor and that results drive real product decisions
• Develop and maintain a deep understanding of user growth dynamics: how acquisition, activation, and retention interact to drive growth, and use that understanding to diagnose metric movements, explain trends to leadership, and anticipate emerging risks or opportunities
• Contribute and own areas of the team’s forecasting and growth modeling efforts, helping translate statistical models into actionable growth strategies
• Mentor and elevate other data scientists through code review, methodology guidance, and establishing reusable analytical frameworks
• Represent data science in cross-functional forums, making the case for what the data shows even when it challenges prevailing assumptions
• Drive alignment across data science, data engineering, and product on shared priorities like data quality, metric definitions, and instrumentation

Staff Data Scientist

Director

• Set the strategic direction and goals for Mozilla Foundation’s grassroots engagement and fundraising program, including key performance indicators and revenue targets.
• Assess and strengthen the email program, including supporter journeys, segmentation, messaging coordination, production flow, and testing approaches.
• Review email list health and donor engagement performance, and identify opportunities to improve deliverability, double opt-in conversion, unsubscribe rates, and long-term retention.
• Support and develop the grassroots engagement team through clear priorities, coaching, and operating rhythms.
• Build strong cross-functional partnerships with Strategic Communications, Community, and Development Operations to align program strategy, systems, and supporter experience.
• Review vendor relationships, tooling, and budget needs to ensure the program is well positioned for execution and growth.

Director, Grassroots Engagement

Backend Engineer

• Design and deliver reusable components within the Mozilla Ads products that support multiple product teams and surface areas
• Collaborate closely with Product, Ad Ops, and Data Science to enable enriched measurement, feedback reporting, and experimentation
• Implement privacy-preserving features in our Mozilla Ads products, contributing to Mozilla’s vision for ethical advertising
• Work with front-end teams across Mozilla to support and extend existing systems to apply innovative ways and technologies in reaching Mozilla’s advertising goals
• Help translate product and engineering strategy into actionable tasks and early prototypes, providing feedback where appropriate

Senior Rust Software Engineer

• Improve Firefox development workflows to reduce time spent testing and debugging test failures as well as more integration/automation of workflows
• Work with a geographically-distributed development team
• Mentor other team members and be mentored by more senior team members
• Collaborate with other teams by providing code review and technical direction
• Look at data, make dashboards, identify trends in Firefox development workflow

Mozilla

Senior Solutions Engineer, DACH

Senior Software Engineer, WebExtensions

Senior Software Engineer, WebExtensions

Senior Software Engineer, WebExtensions

Senior Software Engineer, WebExtensions

Senior Software Engineer, WebExtensions

Senior Application Engineer

Senior Product Manager, Advertising Products

Staff Data Scientist

Director, Grassroots Engagement

Senior Rust Software Engineer

Senior Software Engineer – Engineering Workflow, CI

Senior Software Engineer – Engineering Workflow, CI

Senior Software Engineer – Engineering Workflow, CI

Senior Software Engineer – Engineering Workflow, CI