Senior AI Engineer

Company: Rumi
Location: San Francisco CA (in office 5 days per week)
Compensation: $180000 - $275000 significant equity
Employment Type: Full-time
Visa Sponsorship: Confirm with recruiter

Rumi is a $100M funded neobank transforming consumer and business finance in Mexico and Latin America. Founded by the team behind a private credit fund with a decade of lending to Latin American fintechs it is building consumer and business banking point-of-sale lending and merchant tools.

Rumi is hiring a Senior AI Engineer (3-5 years) to build agentic AI experiences that help consumers and businesses manage their financial lives. As one of the first engineers in San Francisco you will own AI agents end to end from ideation to deployment and help shape the product and engineering culture.

• Build and ship a WhatsApp-based agentic financial assistant that helps consumers apply for loans manage payments and navigate financial products in real time.
• Own AI agents end to end including UX architecture evaluations monitoring and safeguards.
• Design RAG pipelines and agentic workflows that automate multi-step financial processes.
• Work across the full stack for consumer and merchant-facing products.
• Shape agentic software development practices as an early member of the team.

• 3-5 years as a full-stack or AI engineer
• Production experience with LLMs RAG pipelines and agentic frameworks
• Strong TypeScript and modern web frameworks
• End-to-end ownership of shipped features

• Fintech or consumer finance experience
• WhatsApp or messaging-platform integrations
• Spanish language skills

Significant equity health dental and vision insurance 401(k) commuter and fitness benefits paid time off.

LLMs agentic AI frameworks RAG pipelines TypeScript full-stack web WhatsApp API

REVENUE: 20% of first-year salary. Est. fee per hire $36K-$55K; 4 seat(s) up to $182K if all filled.

TARGET COMPANIES (suggested): Nubank Stori Klar Chime Stripe Plaid Brex.

BEST-FIT CANDIDATE: 3-5 yrs; production LLM/agent work; full-stack TypeScript; end-to-end ownership; visa: confirm; location: SF 5 days. Low competition engaged hiring manager.