Senior Full-Stack Engineer - Healthcare AI Platform

Ascertain; New York (NY); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Competitive salary

Equity

Health insurance

Career growth

Job summary

Ascertain, headquartered in New York City with a hybrid team and remote engineers across the U.S. and Brazil, is looking for a Senior Full-Stack Software Engineer.

You’ll ship product across the stack—from backend services and data infrastructure to the web app used by our partner operations team daily. Join a growing team with ownership over what we build, how we build it, and the engineering culture we grow.

Qualifications

• 5+ years of full-stack experience with Python (FastAPI or similar) and TypeScript with React.
• Comfort designing schemas and writing non-trivial SQL against relational databases (PostgreSQL).
• Experience with containerization (Docker) and CI/CD pipelines.
• Familiarity with Redis, queueing systems, or other parts of a modern production stack.
• Experience in cloud environments (GCP).
• Strong English communication, written and verbal.

Responsibilities

• Own product features end-to-end, from design through production.
• Build user-facing experiences in React and TypeScript.
• Design and ship backend services with Python and FastAPI.
• Partner with product, design, and engineering to turn fuzzy problems into shipped software.
• Raise the bar in code review and help shape engineering practices.
• Improve development processes—testing, CI/CD, observability.

Skills

Python

TypeScript

React

PostgreSQL

CI/CD

Docker

Redis

GCP

English communication

Ownership

Tools

FastAPI

Terraform

Job description

Ascertain, headquartered in New York City with a hybrid team and remote engineers across the U.S. and Brazil, is looking for a Senior Full-Stack Software Engineer.

You’ll ship product across the stack—from backend services and data infrastructure to the web app used by our partner operations team daily. Join a growing team with ownership over what we build, how we build it, and the engineering culture we grow.