Senior Software Engineer, Full Stack
Summary
Senior full-stack engineer (4-8+ yrs) at Rumi, a $100M+ funded neobank for Mexico and Latin America, owning features end to end across banking, lending, payments and merchant tools (payroll, POS, inventory) plus an AI WhatsApp assistant. Core stack is TypeScript, React and Node.js, working from the San Francisco office.
Senior Software Engineer, Full Stack
Company: Confidential — venture-backed technology company
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 the Company
The client is a $100M+ funded neobank transforming consumer and business finance in Mexico and Latin America, building banking, point-of-sale lending and merchant tools on top of a regulated Mexican bank license.
The Role
The client is hiring a Senior Full Stack Software Engineer (4-8+ years) as one of its first engineering hires in San Francisco. You will own features end to end across greenfield products, from a merchant operating system (payroll, point of sale, inventory) to an AI-powered WhatsApp financial assistant.
What You Will Do
- Build and own full-stack features from UI to backend to deployment across banking, merchant and consumer products.
- Architect and scale services for lending, payments, pay-in/payout and ledger systems.
- Build SMB workflow tools (payroll, point of sale, inventory) integrated with a regulated bank.
- Use AI tooling to accelerate the development lifecycle on a modern TypeScript and React stack.
- Ship rapidly with product, design and a small engineering team.
What You Bring
- 4-8+ years as a full-stack engineer
- Production TypeScript, React and Node.js
- Experience with SQL databases and message queues
- Comfort owning greenfield products end to end
Nice to Have
- Payments, ledger or lending systems
- Spanish language skills
Benefits
Significant equity, health, dental and vision insurance, 401(k), commuter and fitness benefits, paid time off.
Tech Stack
TypeScript, React, Node.js, SQL, message queuing systems
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