Senior Software Engineer

Stealth Startup; New York (NY); On-site; USD 200,000 - 260,000; Full time

Benefits offered by this job

Equity participation

On-site in Manhattan, NYC

Job summary

Stealth Startup in Manhattan, NYC is seeking a Senior Software Engineer to build and scale our core platform. You will own frontend and backend development across the stack, influence architecture, and drive production-grade delivery in a fast-growing healthcare AI startup.

This on-site role offers meaningful equity and the opportunity to shape product and technology directions. Join a small, high-impact team and collaborate with product, design, and engineering leadership to deliver

Qualifications

• 5+ years of professional software engineering experience.
• Strong full-stack development with React, TypeScript, and Node.js.
• Experience designing backend services, REST APIs, and distributed architectures.
• Strong PostgreSQL experience, including design, optimization, and data modeling.
• Hands-on experience building and deploying applications within AWS.
• Understanding of modern software architecture, cloud infrastructure, and scalable development.
• Experience taking ownership of projects and delivering production-quality software.
• Strong problem-solving skills and ability to operate autonomously in a fast-moving environment.
• Excellent communication and collaboration skills.

Responsibilities

• Design, build, and maintain scalable full-stack applications using React, TypeScript, and Node.js.
• Develop intuitive, high-quality frontend experiences and reusable UI components.
• Build robust backend services, APIs, and integrations to support core product functionality.
• Design and optimize PostgreSQL databases, data models, and complex queries.
• Develop, deploy, and maintain cloud infrastructure and applications within AWS.
• Collaborate closely with product, design, and engineering leadership to translate business requirements into technical solutions.
• Take ownership of projects across the entire software development lifecycle, from architecture and development through testing, deployment, and optimization.
• Establish engineering best practices around code quality, testing, performance, reliability, and scalability.
• Contribute to architectural decisions and help shape the company's technical roadmap.
• Work in a fast-paced startup environment where engineers have direct input into product direction and business outcomes.

Skills

React

TypeScript

Node.js

PostgreSQL

AWS

Job description

About the Company

An early-stage, venture-backed healthcare AI startup building next-generation technology to transform how healthcare organizations operate and deliver care.

The company is leveraging artificial intelligence to solve complex challenges across the healthcare ecosystem, developing intelligent software solutions with the potential to meaningfully improve efficiency, workflows, and patient outcomes.

This is an opportunity to join a high-growth organization at an early stage, work alongside a talented engineering team, and have a meaningful impact on the product, technology, and overall direction of the business.

The Role

We are seeking a Senior Software Engineer with strong full-stack engineering experience to help build and scale the company's core platform.

You will work across the entire technology stack, developing intuitive frontend experiences, scalable backend services, and reliable data infrastructure. This is a highly hands-on role suited to an engineer who enjoys solving complex technical problems, taking ownership of features from concept through deployment, and contributing to architectural and product decisions.

As an early engineering hire, you will have significant influence over engineering standards, technical direction, and the evolution of the platform.

Responsibilities

• Design, build, and maintain scalable full-stack applications using React, TypeScript, and Node.js.
• Develop intuitive, high-quality frontend experiences and reusable UI components.
• Build robust backend services, APIs, and integrations to support core product functionality.
• Design and optimize PostgreSQL databases, data models, and complex queries.
• Develop, deploy, and maintain cloud infrastructure and applications within AWS.
• Collaborate closely with product, design, and engineering leadership to translate business requirements into technical solutions.
• Take ownership of projects across the entire software development lifecycle, from architecture and development through testing, deployment, and optimization.
• Establish engineering best practices around code quality, testing, performance, reliability, and scalability.
• Contribute to architectural decisions and help shape the company's technical roadmap.
• Work in a fast-paced startup environment where engineers have direct input into product direction and business outcomes.

Requirements

• 5+ years of professional software engineering experience.
• Strong full-stack development experience with React, TypeScript, and Node.js.
• Experience designing and developing backend services, REST APIs, and distributed application architectures.
• Strong experience working with PostgreSQL, including database design, optimization, and data modeling.
• Hands-on experience building and deploying applications within AWS.
• Understanding of modern software architecture, cloud infrastructure, and scalable application development.
• Experience taking ownership of projects and delivering production-quality software.
• Strong problem-solving skills and the ability to operate autonomously in a fast-moving environment.
• Excellent communication and collaboration skills.

Preferred Qualifications

• Experience working at an early-stage startup or high-growth technology company.
• Exposure to healthcare technology, healthcare workflows, or regulated environments.
• Experience building AI-enabled products or integrating LLM-powered capabilities into software applications.
• Experience with infrastructure automation, CI/CD, monitoring, and production observability.
• A product-oriented engineering mindset with an interest in shaping both technical and business outcomes.
• Base Salary: $200,000–$260,000, depending on experience.
• Equity: Meaningful equity participation.
• Location: Manhattan, NYC – On-site.
• Environment: Early-stage, high-growth healthcare AI startup.