> Markdown version of [/jobs/ext/3846186-staff-software-engineer](https://www.wearedevelopers.com/jobs/ext/3846186-staff-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer - **Company:** Engineered Materials, Inc. - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Code Review, Software Design Documents, Python (Programming Language), Software Engineering, Systems Integration, ReactJS, AI Coding Agents, Agentic-AI, Microsoft Dynamics 365 Finance & Operations, Api Design - **Published:** October 20, 2026 - **Apply:** https://www.juju.com/job/23_B12EA41810AA7A8B5C073BEEE1A3476F ## About the Role We are hiring a Staff Software Engineer to own a domain of that platform end to end: shaping what gets built with the business, designing it, shipping it, and running it in production. This is a permanent product area, not a project. Interview Process:Please note that final-round interviews will take place in person at a designated office location. Travel details will be coordinated with selected candidates.Responsibilities:Own a domain of Redwood OS end to end: shape the problem with the business, design it, ship it, and operate it in production.Turn ambiguous business asks into clear specifications that engineers and AI agents can execute without further interpretation.Make tradeoff-aware design decisions across service boundaries, data models, APIs, integrations, observability, and access control.Set the bar in code review: use AI effectively by decomposing work for agents, setting guardrails, verifying output at volume, and staying accountable for everything you ship.Keep the platform coherent as multiple engineers and agents change it in parallel.Debug and resolve production issues, and improve the reliability of the systems you own.Raise the output of everyone around you through documentation, conventions, tooling, and mentoring.Work directly with stakeholders on-site 3 days/week: floor walks, operator observation, pairing sessions, and demos.Qualifications:10+ years of software engineering experience, including technical leadership of a significant system or domain.A track record of owning a problem space end to end with minimal direction.Strong Python and production React; experience building and operating applications on AWS.Depth in system design: API design, integration patterns, data modeling, and service boundaries.Clear, concise technical writing - specifications, design documents, and pull requests that stand on their own.Sophisticated use of AI coding agents, paired with full ownership of the result: you can explain every significant decision in the work you ship.Judgment to size effort to business value rather than to engineering interest.Comfort working alongside warehouse and manufacturing operators on the floor, not only at a deskPreferred Qualifications:Experience as a tech lead or engineering manager, or otherwise accountable for the output of a team.Direct experience with ERP, WMS, MES, supply chain, or procurement systems.Manufacturing, logistics, or recycling industry experience.Integration experience with Microsoft Dynamics 365 Finance and Operations.Experience operating systems that a physical operation depends on around the clock.In accordance with California pay transparency laws, the salary range for this position is listed below.