Founding Engineer (Relocation to San Francisco)

About the role

This is a unique opportunity for a highly technical engineer from Argentina to join Convexity as a Founding Engineer. You will work side‑by‑side with the founders in San Francisco, taking technical ownership of the product and shaping the engineering culture from the ground up.

Key responsibilities

• Lead the end‑to‑end development of the platform, staying hands‑on across frontend, backend, data, infrastructure, and AI.
• Define and own the technical architecture, balancing rapid delivery with scalable, robust systems.
• Interact directly with customers to understand distributor workflows and translate their needs into shipped features.
• Recruit, mentor, and grow the engineering team as the company expands.

Required profile

• Deep technical expertise with a “spiky” skill set—exceptional depth in at least one area and the ability to grow quickly across the stack.
• Proven experience building ambitious systems from scratch, regardless of academic pedigree.
• Detail‑oriented, high‑energy, and genuinely collaborative, with a passion for solving hard problems.
• Based in Argentina, willing to relocate to San Francisco, and fluent in English at a C1 level.

Required skills

• Python
• React
• TypeScript
• APIs
• Databases