# Software Engineer > Raydar · San Francisco, United States · Full-time · Posted 2026-10-12 **Salary:** USD 150,000–200,000 **Workplace:** on_site ## Description About the company Our client is an early-stage software company. The role Raydar is recruiting for this role on behalf of our client. Own a specialized engineering domain within a software platform, pairing hands-on development with deep technical design knowledge. The work spans shaping product direction, setting quality standards for automated outputs, reviewing results and supporting early external users. What you'll do \- Build and maintain domain-specific content libraries on top of a core software engine, converting specialist knowledge into clear acceptance criteria. \- Drive product thinking for your area, defining what strong tooling should look like and spotting gaps in the current strategy. \- Review automated design outputs for quality, confirming they satisfy professional standards and practical needs. \- Spend a few hours each week with external collaborators, learning how they work, seeding initial content and helping new users get started. \- Write production code in Python and TypeScript to deliver platform features, using AI coding assistants to move quickly. ## Requirements What we're looking for \- Hands-on professional experience designing building systems at an engineering consultancy, in mechanical, electrical or plumbing work. \- Solid professional software development background that goes well beyond simple scripts. \- Proficiency in Python or TypeScript. \- A bachelor's or master's degree in mechanical engineering, computer science, physics or computational design from a highly ranked university. \- Self-direction and a habit of proposing your own product ideas rather than waiting for tasks. \- Comfort with occasional customer-facing conversations. \- Ability to work on-site five days per week. Bonus points \- Experience creating internal automation or computational design tools at an engineering or construction firm. \- Academic grounding in both a physical science or engineering discipline and computing. \- Familiarity with design and modeling software, as a user or developer. \- Knowledge of heating and cooling system design, including layout, load estimation and equipment selection. ## Benefits Compensation and benefits \- Base salary: USD 150,000 to 200,000 per year \- Equity \- Relocation support Location and work model \- San Francisco, CA, United States \- On-site, 5 days per week in office \- Full-time ## Apply [Apply at Raydar](https://apply.workable.com/raydar/j/D9F2F139FD/apply) --- Powered by [Workable](https://www.workable.com)