Backend Application Developer (Darjeeling)

???? We’re Hiring | Backend Application Developer ???? Location: Kolkata / Bengaluru / Bhubaneswar / Remote ???? Company: EzeRx HealthTech Pvt. Ltd. ???? Employment Type: Full time About EzeRx EzeRx HealthTech Pvt. Ltd. is an innovative healthcare technology company focused on transforming diagnostics and preventive healthcare through AI-driven, non-invasive, IoT-enabled medical technologies. Our platforms integrate medical devices, cloud infrastructure, real-time analytics, ABDM-compliant digital health systems, and AI-based decision support tools to improve healthcare accessibility and outcomes across communities, hospitals, laboratories, and public health ecosystems. We are seeking a highly motivated and technically strong Backend Application Developer who can architect, develop, and scale secure backend systems powering our healthcare applications, connected devices, real-time dashboards, and cloud-based healthcare intelligence platforms. ???? Key Responsibilities: Core Backend Development
- Design, develop, deploy, and maintain scalable backend systems and APIs.
- Build robust RESTful APIs and microservices architecture for healthcare applications and IoT-enabled medical devices.
- Develop high-performance server-side logic for web and mobile applications.
- Create reusable, optimized, and maintainable backend modules. System Architecture & Scalability
- Architect scalable backend infrastructure capable of handling large-scale healthcare screening and device data.
- Design distributed systems for real-time data synchronization and monitoring.
- Optimize backend performance, database queries, caching, and load balancing.
- Ensure high availability, fault tolerance, and scalability of applications. Database & Data Management
- Design and manage relational and NoSQL databases.
- Develop secure healthcare data storage and retrieval systems.
- Implement database optimization, indexing, backup, and disaster recovery mechanisms.
- Maintain data integrity and audit trails for medical applications. Cloud & DevOps Integration
- Deploy and manage applications on AWS, Azure, or Google Cloud Platform.
- Work with Docker, Kubernetes, CI/CD pipelines, and automated deployment workflows.
- Monitor infrastructure performance, uptime, and application logs.
- Collaborate with DevOps teams for infrastructure automation and security compliance. Security & Compliance
- Implement secure authentication and authorization systems (JWT, OAuth2, RBAC).
- Ensure HIPAA-like healthcare data protection principles and secure API communication.
- Implement encryption standards for healthcare and patient-related data.
- Support compliance integration related to ABDM, HL7, FHIR, and healthcare interoperability frameworks. Device & IoT Integration
- Integrate backend systems with medical devices, IoT hardware, and sensor-based platforms.
- Support real-time device communication and telemetry data pipelines.
- Work closely with firmware and embedded teams for seamless device-to-cloud communication. Collaboration & Product Development
- Collaborate with frontend developers, AI engineers, biomedical engineers, and product teams.
- Participate in architecture discussions, sprint planning, and technical reviews.
- Write clean documentation, API specifications, and deployment guidelines.
- Troubleshoot production issues and ensure continuous system improvements. ???? Required Technical Skills: Programming Languages & Frameworks Strong expertise in one or more:
- Python (FastAPI / Django / Flask)
- Node.js (Express.js / NestJS)
- Java (Spring Boot)
- PHP (Laravel) Backend & API Development
- RESTful API development
- Microservices architecture
- WebSockets and real-time communication
- API Gateway integration
- Swagger/OpenAPI documentation Databases Experience with:
- PostgreSQL
- MySQL
- MongoDB
- Redis
- Firebase (optional) Cloud & Infrastructure Hands-on experience with:
- AWS / Azure / GCP
- Docker & Kubernetes
- NGINX
- Linux server administration
- CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI) Security & Authentication
- JWT Authentication
- OAuth2
- Role-Based Access Control (RBAC)
- API security best practices
- Encryption & secure data handling Additional Preferred Skills
- IoT backend systems
- MQTT protocol
- Real-time dashboards
- AI/ML model API integration
- Healthcare interoperability standards (FHIR/HL7)
- ABDM ecosystem integration
- Experience handling medical or healthcare data Educational Qualification Bachelor’s or Master’s degree in:
- Computer Science
- Information Technology
- Electronics & Communication
- Software Engineering
- Related technical disciplines Experience
- 2–6 years of backend development experience.
- Healthcare, MedTech, IoT, SaaS, or cloud-platform experience preferred. Desired Candidate Profile We are looking for candidates who are:
- Strong problem solvers with analytical thinking.
- Passionate about healthcare innovation and impactful technology.
- Comfortable working in fast-paced startup environments.
- Self-driven and capable of ownership-based execution.
- Strong in communication and cross-functional collaboration. What You Will Work On
- AI-enabled healthcare platforms
- Non-invasive diagnostic ecosystems
- IoT-connected medical devices
- Real-time health monitoring dashboards
- Large-scale public health screening platforms
- Cloud-based healthcare analytics systems
- ABDM-compliant digital healthcare infrastructure Why Join Us
- Opportunity to build meaningful healthcare technology impacting millions.
- Work on cutting-edge AI, IoT, and digital health innovations.
- Collaborative environment with high ownership and learning opportunities.
- Exposure to national and international healthcare innovation ecosystems.
- Growth opportunities in one of India’s emerging health-tech companies. Compensation ???? Competitive salary based on experience and technical expertise. Interested candidates can send their CVs to . If you are passionate about backend engineering and healthcare innovation, we would love to hear from you. Apply on Kit Job: kitjob.in/job/4m5pb0