Founding Software Engineer — AI Clinic Platform (NYC)

Jack; New York (NY); On-site; USD 160,000 - 220,000; Full time

Benefits offered by this job

Equity stake

Performance bonus

Job summary

Jack, a YC-backed seed-stage healthcare AI startup in Manhattan, is hiring a founding software engineer. You’ll own features end to end, from UX decisions to backend implementation, building the core AI clinic platform.

You’ll be engineer number 5 or 6, collaborating daily with the CTO to meet fast-growing customer demand. Expect about 50/50 time split between coding and shaping product direction, in a 0-to-1 environment with no PM steering every step.

Qualifications

• 1–3 years as a software engineer with strong backend skills.
• Bachelor's in Computer Science or a related field.
• Hands-on experience building AI or LLM-powered product features.
• Startup experience and a builder mindset: own the whole product lifecycle.

Responsibilities

• Own features end to end from product definition and UX decisions to backend implementation and shipping.
• Build and scale the core backend systems behind an AI clinic platform in a 0-to-1 environment.
• Work with the CTO daily to architect and deliver against fast-growing customer demand.
• Split your time roughly 50/50 between writing code and defining product direction, using AI tools to move fast.

Skills

Backend development

AI/LLM features

Startup mindset

Education

Bachelor's degree in Computer Science or related field

Job description

Jack, a YC-backed seed-stage healthcare AI startup in Manhattan, is hiring a founding software engineer. You’ll own features end to end, from UX decisions to backend implementation, building the core AI clinic platform.

You’ll be engineer number 5 or 6, collaborating daily with the CTO to meet fast-growing customer demand. Expect about 50/50 time split between coding and shaping product direction, in a 0-to-1 environment with no PM steering every step.