CTO: Build Scalable FinTech Architecture & Team

Lenme Inc; San Francisco (CA); On-site; USD 250,000 - 400,000; Full time

Job summary

Lenme Inc. in San Francisco is seeking a CTO who will shape the technical foundation of a rapidly growing fintech. You’ll own the tech stack end-to-end, build a world-class engineering culture, and partner with the CEO to scale to tens of millions of users.

You’ll make critical architectural decisions, ensure security and compliance, and deliver products with speed and quality. This is a zero-to-one and one-to-many leadership role for a founder-minded innovator.

Qualifications

• You’ve built and scaled real systems—not just managed teams.
• You think like a founder and care deeply about outcomes.
• You move fast and are comfortable with ambiguity.
• You have strong opinions, loosely held—and you’re not afraid to challenge ideas.
• You care about product, not just code.
• You’ve worked on high-growth startups or built something from scratch.
• You understand fintech (or can learn it quickly).
• You want to create something meaningful, not just optimize existing systems.
• You’ll have massive ownership and direct impact on the company’s future.
• You’ll help redefine how lending works for millions of people.
• You’ll work with a small, fast-moving team that actually ships.
• You’ll be encouraged to experiment, take risks, and bring bold ideas.

Responsibilities

• Own the entire technology stack—from architecture to deployment
• Build and scale a world-class engineering team from the ground up
• Design systems that are fast, reliable, and can handle massive growth
• Work closely with product to ship quickly without compromising quality
• Rethink fintech infrastructure to improve performance and scale
• Introduce new ideas, tools, and approaches that push the product forward
• Make high-impact decisions with minimal bureaucracy
• Set the technical culture: high ownership, speed, and accountability
• Ensure security, compliance, and trust at scale

Job description

Lenme Inc. in San Francisco is seeking a CTO who will shape the technical foundation of a rapidly growing fintech. You’ll own the tech stack end-to-end, build a world-class engineering culture, and partner with the CEO to scale to tens of millions of users.

You’ll make critical architectural decisions, ensure security and compliance, and deliver products with speed and quality. This is a zero-to-one and one-to-many leadership role for a founder-minded innovator.