Top Tech Jobs & Startup Jobs in Chicago, IL

The Senior Strategic Account Executive is responsible for building a sales pipeline, managing the sales cycle, and engaging with enterprise customers across France and Belgium to promote Firefox Enterprise products.

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.

Lead Mozilla's long-range strategic finance, oversee direct and venture investments, build 3-5 year financial models, perform TAM/SAM/SOM market sizing, advise executives, manage a small strategic finance team, and evaluate build-vs-partner decisions across subsidiaries.

Lead and unify Mozilla's global editorial vision across platforms, curating impactful stories and collaborating across teams to shape narratives about technology's future.

As a Senior Marketing Data Scientist, you will conduct quantitative analyses, manage marketing tests, and provide actionable insights to enhance marketing performance and investment effectiveness.

The Staff Data Scientist will own the analytical strategy for Firefox, driving data-informed decisions through measurement frameworks, experiments, and user growth analysis, while mentoring other data scientists.

The Staff Data Scientist will lead analytical strategies for Firefox, focusing on product growth, measurement frameworks, and mentoring data scientists while guiding data-driven decisions.

Design, fine-tune, evaluate, and deploy LLM-driven, user-facing browser features using RAG, embeddings, prompt engineering, and modern ML tooling. Lead end-to-end model lifecycle, run production experiments, collaborate with product and engineering, and document and review work with an emphasis on privacy, latency, and usability.

Lead and manage the Web Applications engineering team for hosted subscription products. Drive day-to-day execution, people management, budgeting, delivery planning, and engineering practices (CI/CD, testing, observability, release readiness, reliability, security/privacy). Coordinate launches, cross-functional readiness, and improve team processes while staying hands-on with technical tradeoffs and architecture.