Senior Full-Stack Engineer — AI-powered Healthcare Ops

Ascertain; United States; Hybrid; USD 130,000 - 190,000; Full time

Benefits offered by this job

Cutting-edge technology

Ownership & growth

Collaborative team

Competitive compensation

Job summary

Ascertain, a New York–based healthtech company, is seeking a Senior Full-Stack Software Engineer to ship product end-to-end across backend services, data infrastructure, and a React/TypeScript web app used by partner operations teams.

You'll own features, design scalable systems with Python (FastAPI) and TypeScript, collaborate across product, design, and engineering, and help raise our code quality with strong engineering practices in a fast-moving, remote-friendly environment.

Qualifications

• 5+ years of full-stack experience with Python (FastAPI or similar) and TypeScript with React.
• Comfort designing schemas and writing SQL against PostgreSQL.
• Experience with Docker and CI/CD pipelines.
• Familiarity with Redis and queueing systems in a production stack.
• Experience building/operating production systems in GCP.

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

FastAPI

TypeScript

React

PostgreSQL

Docker

CI/CD

Redis

GCP

Tools

Terraform

Job description

Ascertain, a New York–based healthtech company, is seeking a Senior Full-Stack Software Engineer to ship product end-to-end across backend services, data infrastructure, and a React/TypeScript web app used by partner operations teams.

You'll own features, design scalable systems with Python (FastAPI) and TypeScript, collaborate across product, design, and engineering, and help raise our code quality with strong engineering practices in a fast-moving, remote-friendly environment.