# Stefan Steiner > Staff Software Engineer at Mitra Chem Location: Mountain View, California, United States Profile: https://flows.cv/stefansteiner Lead software engineer at a battery materials startup | Ex-Amazon | UC Berkeley alum | Passionate about building and innovating ## Work Experience ### Staff Software Engineer @ Mitra Chem Jan 2025 – Present | Remote ### Senior Software Engineer @ Mitra Chem Jan 2022 – Jan 2025 | Mountain View, California, United States ### Senior Software Development Engineer @ Amazon Lab126 Jan 2022 – Jan 2022 | Sunnyvale, California, United States ### Software Development Engineer II @ Amazon Lab126 Jan 2019 – Jan 2022 | Sunnyvale, California, United States ### Software Development Engineer I @ Amazon Lab126 Jan 2018 – Jan 2019 | Sunnyvale, California, United States ### Software Development Engineer Intern @ Amazon Jan 2017 – Jan 2017 | Seattle, Washington, United States ### Software Engineer Intern @ Mojo Networks, Inc. Jan 2016 – Jan 2016 | Mountain View, CA ## Education ### Bachelor of Arts (B.A.) in Computer Science University of California, Berkeley ## Contact & Social - LinkedIn: https://linkedin.com/in/stefan-steiner-49720b11b --- Source: https://flows.cv/stefansteiner JSON Resume: https://flows.cv/stefansteiner/resume.json Last updated: 2026-04-01