Ranjeet Kumar
Backend-Focused Full-Stack Engineer | Node.js | React.js | Express.js | MongoDB | AWS | Docker | Kubernetes | Nginx | CI/CD | AI/ML Enthusiast
- Role
- Back-end Developer at Mobisec Technologies
- Location
- New Delhi, IN
- LinkedIn followers
- 500 followers
About Ranjeet Kumar
I’m a Backend-focused full-stack engineer with hands-on experience in building scalable…
Experience
Back-end Developer
Nov 2024 — Present
Designed and developed a secure full-stack SRTST system with end-to-end encryption (RSA + AES) for an Indian Navy project, deployed with Docker + Nginx. Architected scalable microservices using Node.js, Express.js, MongoDB and RabbitMQ for the DRDO (Defense org). Built a centralized authentication and authorization service with JWT-based RBAC across distributed services. Implemented real-time bi-directional communication with agents via WebSockets and RabbitMQ, enabling secure subsystem data collection and monitoring and live observability. Engineered AI/ML services by fine-tuning Ollama with custom cybersecurity datasets and integrating pipelines using LangChain and Hugging Face, enabling automated intelligence summaries and actionable recommendations Generation for defense use cases via and python and FastAPI. Designed and implemented a CI/CD pipeline leveraging GitHub Webhooks to automate Dockerization, testing, and rapid delivery across environments.Containerized and deployed multiple microservices using Docker and Nginx, successfully delivering 5 milestones within the project timeline.
Education
Government Engineering College, Vaishali
Bachelor of Technology
2018 — 2022
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