Senior AI Engineer

Senior AI Engineer

Company: Rumi
Location: San Francisco, CA (in office 5 days per week)
Compensation: $180,000 - $275,000 + significant equity
Employment Type: Full-time
Visa Sponsorship: Confirm with recruiter

About Rumi

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.

The Role

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.

What You Will Do

• 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.

What You Bring

• 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

Nice to Have

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

Benefits

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

Tech Stack

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.