Manta Cares is a San-Francisco–based digital health company offering a HIPAA-compliant platform that helps cancer patients and their care partners manage symptoms, treatments, and daily logistics.
ABOUT US We are a well-funded SF Bay Area startup backed by tier-1 investors. We’re a small, cracked team in stealth, building an agentic platform for the hardest, least glamorous, but most valuable, software problems inside the Global 2000. Think decades-old business logic, mission-critical systems, and colossal codebases where every percent of reliability matters. Our product blends program analysis, developer tooling, and code generation to turn multi-year enterprise transformations into something teams can do in a fraction of the time, with verification, auditability, and real-world guarantees. Join a talent-dense founding team with meaningful equity and real growth upside at the intersection of ERP and artificial intelligence. ROLE SUMMARY As our Founding Engineer, you will own a zero-to-one product and its infrastructure. You will build the secure connector and runtime that understands complex enterprise systems, the tooling experience developers use every day, and the analysis and planning engine that transforms legacy code. You will work directly with customers on high-leverage projects and help define our culture, our engineering bar, and our roadmap. - Design the agentic layer. Implement self-checking, reflection, and verification passes before results reach humans or downstream systems - Experience orchestrating agentic workflows and retrieval augmented generation. Familiarity with LangGraph is a plus. - Stand up inference paths with low latency serving and token-level observability - Productionize prompt pipelines, retrieval, and light fine-tuning, where it moves the needle - Hands-on use of AI tools with clear ideas for applying AI to development, testing, data, and support. - Ownership mentality, crisp communication, and comfortable making decisions with 80 percent information. - Move fast without breaking things, not afraid to learn new stacks, bring a we will figure it out attitude. WHY JOIN - Direct product and company impact with minimal bureaucracy. - High bar for craft, velocity, and pragmatic shipping. LOGISTICS - Total compensation: $240,000 to $400,000 - Base salary: $160,000 to $250,000 plus meaningful founding equity - Location: In person, San Francisco Bay Area - Visa Support/Sponsorship available