Job Overview
Location
Brazil
Job Type
Full-time
Category
Full-Stack Engineer
Date Posted
May 10, 2026
Full Job Description
📋 Description
- • As a Senior/Staff Full-Stack Engineer at Ascertain, you will ship product across the stack — from backend services and data infrastructure powering the healthcare AI platform to the web app used daily by partner operations teams. You’ll join a growing team of engineers in Brazil with real ownership over what we build, how we build it, and the engineering culture we grow into.
- • You will 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 peers to turn fuzzy problems into shipped software; raise the bar in code review and help shape engineering practices; and improve development processes as we grow — testing, CI/CD, observability — the things that compound over time.
- • Ascertain is building AI agents to automate administrative work that burdens care teams, operating in major health systems and large specialty groups to save hundreds of staff hours every week. Backed by Northwell Health and Deerfield Management, we are on a mission to restore time, trust, and focus to the people who keep healthcare running. Headquartered in New York City with a hybrid team there and remote engineers across the U.S. and Brazil, we operate with high autonomy, shared accountability, and deep respect for the people who use our software.
- • In this role, you will have the opportunity to make a real difference in healthcare by directly impacting patient care through AI-driven automation. You will grow your expertise in full-stack development within a mission-driven, early-stage environment, take ownership of complex problems, and help shape the engineering culture of a growing team focused on transforming healthcare operations.
🎯 Requirements
- • 7+ years strong full-stack experience with Python (FastAPI or similar) and TypeScript with React
- • Comfort designing schemas and writing non-trivial SQL against relational databases (we use PostgreSQL)
- • Working knowledge of containerization (Docker) and CI/CD pipelines
- • Ability to communicate clearly in English, written and verbal — most async work happens in writing, and you'll regularly join meetings with U.S.-based teammates
- • Meaningful overlap with U.S. Eastern business hours during the workday
🏖️ Benefits
- • Meaningful equity and competitive cash compensation
- • Fully remote within Brazil, with a flexible schedule. We trust people to manage their time and work like adults
- • A small, mission-driven team with backgrounds across healthcare operations, product, and engineering
- • Why Ascertain? Make a real difference: Your work will directly impact healthcare organizations and improve patient care
Skills & Technologies
About Ascertain, Inc.
Ascertain is a healthcare technology company that combines clinical data, artificial intelligence and operational expertise to improve health system performance. Its platform aggregates real-world clinical and claims information to generate predictive insights, optimize care pathways and measure outcomes for hospitals, payers and life-science organizations. Founded in 2022 as a joint venture between Northwell Health and Aegis Ventures, Ascertain focuses on reducing variation in care, accelerating research and enabling value-based payment models. The company delivers software tools and advisory services that translate large-scale health data into actionable strategies for quality improvement, cost reduction and population health management.
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