Back End Developer

Location: Gurugram

About Marbles Health

Marbles Health is a brain healthcare company redefining standards of care across psychiatry and neurology. Our flagship innovation, EASE, is Indias first medically licensed portable neuromodulation systempioneering safer, more effective, and scalable brain healthcare for millions. We are building the future of mental and neurological care, combining science, technology, and compassion.

As a Backend Developer , you will be responsible for:

What Youll Build

• Scalable backend systems for patients, doctors, therapy sessions, and clinical protocols
• REST APIs using NestJS (TypeScript) powering web and device integrations
• Real-time EEG data pipelines from medical devices (MQTT + background jobs)
• Secure multi-role authentication systems (patients, doctors, admins, finance)
• High-performance databases and analytics layers for time-series medical data
• Fault-tolerant background jobs for EEG processing, reports, and automation

Your Day-to-Day

• Design and ship backend features end-to-end
• Own APIs, database schemas, and core business logic
• Work closely with frontend, product, and clinical teams
• Review code, mentor teammates, and raise the engineering bar
• Debug production issues and improve system reliability

Our Tech Stack

• Backend: NestJS (Node.js, TypeScript)
• Databases: MongoDB (core data), PostgreSQL (time-series EEG data)
• Real-time: MQTT (medical devices)
• Cloud: AWS (S3, SES)
• Testing: Jest
• Infra: Docker, PM2

What Were Looking For

Must-Have

• 34 years of backend engineering experience
• Strong TypeScript + Node.js fundamentals
• Experience with NestJS or Express.js
• Solid understanding of MongoDB and SQL databases
• Hands-on experience building production APIs
• Comfortable with async systems and background jobs

Nice-to-Have (Not Required)

• Experience in healthcare, medtech, or regulated systems
• Real-time systems (MQTT, WebSockets)
• Redis, queues, caching strategies
• AWS or cloud infrastructure experience
• Event-driven or microservice architectures

What Makes This Role Different

• Youre working on real medical technology , not vanity features
• High ownership : your code directly impacts patient care
• Deep technical problems (data, scale, reliability)
• Early-stage product with room to influence architecture decisions
• Strong learning curve across healthcare + distributed systems

Who Youll Work With

• Backend & frontend engineers
• Product managers shaping clinical workflows
• Healthcare professionals and therapists
• Founders who care deeply about engineering quality

What We Offer

• Meaningful work in mental health & neurotech
• A fast-moving startup environment with ownership
• Strong technical challenges and growth