Senior Backend Engineer — Backend + Dev Ops
Location: IIT Madras Research Park, Chennai
Type: Full time
Compensation: Up to ₹15 LPA
ISMO Bio-Photonics is building cutting-edge healthcare technology products aimed at transforming the future of healthcare through advanced engineering and interdisciplinary innovation.
We welcome motivated, passionate, and ownership-driven engineers who want to build the future of healthcare and create meaningful impact for people around the world.
We are looking for someone with 5+ years of backend engineering experience, strong backend architecture, secure API design, cloud deployment ownership, and experience working in regulated or security-sensitive environments.
What you'll work on:
→ Translate business needs into technical designs, ADRs, and sequence diagrams
→ Build and maintain secure REST/Graph QL APIs with versioning and consistent error handling




→ Design data models and integrate with internal and third-party systems
→ Own cloud deployment, CI/CD, observability, and reliability
→ Lead code reviews, design reviews, and mentor engineers
Key technical skills:
Backend architecture, OOP, SOLID principles, clean architecture, REST/Graph QL APIs, OAuth 2.0, OIDC, JWT, RBAC/ABAC, OWASP Top 10, rate limiting, audit logging, Postgre SQL, No SQL, query optimization, ACID, migrations, caching, fault tolerance, event-driven systems, Docker, Kubernetes, Terraform, CI/CD, logging, metrics, tracing, and AWS/Azure/GCP.
Exposure to HIPAA, GDPR, SOC 2, ISO 27001, or equivalent privacy/security standards is strongly preferred.

📌 Back end developer (Chennai)
🏢 ISMO Biophotonics Private
📍 Chennai