Senior Backend Engineer - AI-Driven HealthTech, NYC|Equity

Refactor.; New York (NY); On-site; USD 180,000 - 220,000; Full time

Job summary

Refactor. is seeking a Senior Backend Engineer in New York to help build production-grade backend systems and large-scale APIs. You will own architecture, data modelling, deployment, and observability for data-intensive applications using a mix of Python/TypeScript, and related tools.

The role emphasizes ownership, design decisions, and working in a fast-growing healthtech startup environment. Ideal candidates bring 8+ years of software experience, strong backend depth, and proven track records

Qualifications

• 8+ years of software engineering experience.
• Strong backend and systems engineering depth.
• Experience building large-scale APIs and data processing systems.
• Strong relational database and data modelling experience.
• AWS or similar cloud infrastructure experience.
• Docker, Kubernetes and CI/CD exposure.
• Experience in tech, SaaS or high-growth startups.
• Long-term tenure in previous roles.
• Interest in AI-assisted engineering and modern tooling.

Responsibilities

• Design and build production backend systems and large-scale APIs.
• Handle data-intensive applications from architecture to deployment.
• Work on data modelling and observability in production environments.

Tools

Docker

Kubernetes

CI/CD

AWS

Job description

Refactor. is seeking a Senior Backend Engineer in New York to help build production-grade backend systems and large-scale APIs. You will own architecture, data modelling, deployment, and observability for data-intensive applications using a mix of Python/TypeScript, and related tools.

The role emphasizes ownership, design decisions, and working in a fast-growing healthtech startup environment. Ideal candidates bring 8+ years of software experience, strong backend depth, and proven track records