Jobs at Mozilla

Drive Thunderbolt's AI product experience by turning ambiguous concepts into working prototypes and production front-end features. Define interaction patterns for chat, search, agents, automation, and knowledge retrieval; prioritize usability, accessibility, security, and enterprise requirements; build reusable components and design-system elements; collaborate with product, design, and engineering to validate and productionize features.

Lead iOS development for Thunderbird: design and improve mobile architecture, optimize performance and security, debug and test across unit/integration/automation, review and document technical decisions, own projects end-to-end, and collaborate with product, UX, and open-source contributors to deliver a scalable, accessible, and maintainable iOS app.

Lead design and development of Thunderbird's iOS app, improving architecture, performance, reliability, security, and accessibility. Own projects end-to-end, debug and test at unit/integration/automated levels, review code, mentor contributors, and document technical decisions while collaborating with product, UX, and open-source community.

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.

Produce and publish short-form social media content (Instagram Reels, Stories, TikTok) to build awareness and community. Collaborate with the Social Media Manager, appear on camera, edit high-performing content, and deliver ~15–20 hours/week as an independent contractor. Remote (USA/Canada).

Lead architecture and implementation of production-grade multi-agent, LLM-driven systems and developer tooling. Design orchestration layers, integrate/combine commercial and open-source models, establish benchmarking and evaluation practices, mentor engineers, and balance rapid prototyping with long-term scalable architectures for a new browser automation platform.

Lead data-driven strategy by partnering with senior executives, design and deliver sophisticated analytical solutions on large-scale data, build trusted cross-functional relationships, and mentor data scientists to raise analytical quality across the organization.

Lead data-driven strategy by partnering with senior executives to deliver rigorous analytical solutions. Design and implement sophisticated analyses on large-scale data, build trusted cross-functional relationships, mentor data scientists, and influence long-term product and business decisions.

Lead customer and partner go-to-market for a new browser automation platform: identify design partners, build pipeline, run discovery and technical sales cycles, shape pilots/POCs, close early commercial deals, and feed product requirements back to engineering.

Lead customer and partner go-to-market for a new browser automation platform: identify design partners, build pipeline, run discovery and technical sales, shape pilots/POCs, close LOIs and early commercial deals, and partner with engineering to translate customer needs into product roadmap.

Lead architecture and implementation of production-grade agentic systems and multi-agent frameworks. Orchestrate LLM workflows, integrate commercial and open-source models, build AI developer tooling, establish benchmarking and evaluation for agent reliability and performance, mentor engineers, and balance rapid prototyping with long-term scalable architecture.

Lead backend development and operate services end-to-end: design, implement, deploy, monitor, and troubleshoot cloud-based back-end systems. Participate in on-call rotation, collaborate with frontend, CloudEng, and product teams, conduct code and security/privacy reviews, and mentor junior engineers.

As a Senior Solutions Engineer, you'll support enterprise clients in DACH by leading technical solutions, managing relationships, and ensuring secure deployments of Firefox Enterprise.

Lead product strategy and execution for a new PC gaming product, build and manage cross-disciplinary teams, define metrics and roadmap, find product-market fit, and represent the product externally while aligning stakeholders and driving growth.

The role involves building the sales pipeline, managing the full sales cycle, and establishing relationships with enterprise clients across DACH for Firefox Enterprise.

Lead and mentor a backend engineering team building privacy-respecting Firefox Suggest Ads systems. Drive delivery of partner integrations, experimentation, measurement, reliability, and product integrations while partnering with Product, Data, Privacy, and other stakeholders. Hire, onboard, and create a healthy team culture focused on maintainable, secure, and privacy-aligned software.

Lead and mentor a team of software engineers building privacy-respecting Firefox Suggest Ads backend services, partner integrations, experimentation, and product integrations. Partner with Product, Data, Privacy, Policy, Revenue, and Firefox engineering to navigate ambiguous privacy and policy constraints, ensure reliability and quality, hire and onboard engineers, and maintain sustainable delivery practices in a distributed environment.

Lead and manage the Thunderbolt engineering team to transition an R&D AI product into a production-ready, enterprise-grade open-source product. Drive execution, hiring, release discipline, code quality, CI/CD, cross-platform delivery, and collaboration with product and design while remaining hands-on with code, architecture, and technical tradeoffs.

Lead and grow a senior engineering team to transition Thunderbolt from R&D to production-ready AI product. Drive execution, release discipline, code quality, cross-platform delivery, and enterprise-readiness while staying hands-on in code reviews and technical planning. Partner with product, design, and security to balance speed, privacy, and maintainability.

Execute digital marketing and communications across social, email, blog, and other channels. Create and publish content, manage campaign calendars, track performance metrics, support email automation, collect customer feedback, and coordinate with internal teams and vendors to drive brand awareness, user growth, and product adoption.