Job Summary
We are seeking a Senior Full Stack Developer with a strong backend focus to design, build, and maintain scalable web applications that support healthcare operations. This role focuses primarily on backend services, APIs, databases, and system architecture while collaborating with frontend and product teams. The idóneo candidate has strong Node.js and PostgreSQL experience, clear communication skills, and experience owning features end to end in a remote environment.

Responsibilities
- Design, build, and maintain backend services using Node.js and Express.js
- Develop and scale RESTful APIs and backend systems
- Design and optimize PostgreSQL schemas, queries, and data models
- Ensure performance, scalability, reliability, and security of backend services
- Implement authentication and authorization using JWT, OAuth, and session based approaches
- Integrate third party APIs and external services
- Support CI CD pipelines and cloud deployments in collaboration with DevOps
- Troubleshoot and resolve production issues




- Collaborate with product and engineering teams to deliver backend solutions
- Document technical decisions and communicate progress in writing

Requirements
- 7 plus years of experience as a Full Stack Developer with a backend focus
- Strong experience with Node.js, Express.js, and PostgreSQL
- Experience building and maintaining scalable backend systems
- Strong understanding of REST APIs and backend architecture
- Experience with cloud platforms and CI CD pipelines. AWS preferred
- Strong debugging and problem solving skills
- Experience working in remote or distributed teams
- English proficiency required

Preferred Qualifications
- Experience with MongoDB or other NoSQL databases
- Experience building healthcare, marketplace, or workflow driven platforms
- Experience mentoring junior engineers

Cultural Qualities We Value
- Customer‑centric thinking: You aim to deeply understand how our healthcare users work and enjoy building solutions t

📌 Full Stack Developer (Argentina)
🏢 TeamEx
📍 Argentina