Hi there, I'm NEHAL MR 👋

I'm a Java Backend Engineer (DevSecOps) at Cognizant, working with ING Bank's Core Banking team on a 50+ service Spring Boot platform on Azure — where I've personally designed, developed, and delivered 2+ services through production. I'm a multidisciplinary engineer and researcher passionate about building scalable, secure, and innovative solutions spanning software development, DevOps, cloud computing, IoT, and artificial intelligence.

• 🔭 Currently building scalable cloud-native microservices, observability tooling, and Generative AI / LLMOps solutions.
• 🌱 Actively learning about quantum computing, bioinformatics, and cloud-native architectures.
• 👯 Looking to collaborate on JVM/PVM applications, DevSecOps & cloud-native projects, and AI/ML & LLM projects.
• 💬 Ask me about Spring Boot, Microservices, Microsoft Azure, DevSecOps, Kafka, RAG / LLMs, and IoT development.
• 📫 How to reach me: Email · LinkedIn · GitHub

Cognizant Technology Solutions · Core Banking – ING Bank (Dutch Multinational Bank) · Pune, MH · Sep 2025 – Present

• Contributed to a 50+ service Spring Boot platform on Microsoft Azure for ING Bank's Core Banking team, supporting REST APIs and event-driven workloads with Kafka and Cassandra.
• Designed, developed, and delivered 2+ services through production, owning API development, business logic, testing, CI/CD integration, and production readiness.
• Built and optimized caching components supporting 30M+ requests/day, reducing average response latency by 25% for critical banking workflows.
• Implemented AOP-based logging, tracing, and metrics, reducing production mean-time-to-detect (MTTD) by 50%.
• Contributed to Azure DevOps CI/CD improvements and automated security scanning, helping reduce release cycle time by 80%.
• Supported code reviews, dependency upgrades, defect resolution, security remediation, and production troubleshooting across services.

Cognizant Technology Solutions · Pune, MH · Apr 2025 – Aug 2025

• Completed Java Full Stack training (Java, Spring Boot, React JS, MySQL, AWS); built REST APIs, integrated React UI, and deployed apps on AWS EC2 in Agile using Git.
• Developed responsive UI with React + Bootstrap; implemented JPA/Hibernate service layers, custom queries, and exception handling, following Git best practices.

Savitribai Phule Pune University · Pune, MH · Dec 2021 – Jul 2025

• GPA: 8.8/10

• Tech Stack: Spring Boot, React, MySQL/PostgreSQL, Spring Security, Swagger
• Description: A full-stack library system with REST APIs for all core functionalities, a modern React UI, and robust security.
• Status: Production-ready

• Tech Stack: ESP8266, MQTT, ThingSpeak, Azure AI, Flutter
• Description: Developed an IoT monitoring solution using ESP8266 and biometric sensors, with MQTT for real-time sensor-to-cloud data transmission. Integrated ThingSpeak and Azure AI for cloud analytics, with a Flutter app enabling remote monitoring for caregivers.

• Tech Stack: Java 21, Spring Boot, Eureka Discovery Service, API Gateway
• Description: A backend system for a ride-hailing service, built with a modern microservices architecture for scalability and resilience.

• Tech Stack: Python, Tkinter, Firebase, JWT/OAuth
• Description: Built an end-to-end e-commerce application supporting product catalog, cart, and order workflows, with a Tkinter frontend and Firebase backend. Implemented JWT/OAuth authentication, caching, and real-time UI updates to improve responsiveness and user experience.

• 🤖 Artificial Intelligence & Machine Learning: Advanced model development, ML for healthcare/finance, CV & NLP.
• ⚛️ Quantum Computing: Quantum algorithms, computational optimization, and Quantum ML.
• 🧬 Bioinformatics: Computational biology, genetic data analysis, and medical AI.
• 🌐 Complex Systems: Network analysis, distributed systems, and microservices design.

• Claude Certified Architect - Foundations (Anthropic)
• AWS Partner: Generative AI Technical - Training
• Qualcomm: AI Upskilling Certificate
• Microsoft Learning Paths: AZ-900 Azure Fundamentals, AI-102 Designing Azure AI Solutions

• 🥈 2nd Place: International ROC RoboAnalyzer Competition, IIT Delhi 2024-25
• 🥇 1st Place: IBM Qiskit Fall Fest Quiz and Hackathon 2024-25
• 🤖 Participant: ISRO Robotics Challenge, URSC 2024

• Active participant in hackathons and tech conferences.
• Contributor to open-source projects.
• Technical writer on Medium.

I'm always excited to work on:

• Enterprise JVM/PVM applications & DevSecOps microservices
• Cloud-native architecture & Infrastructure as Code (Azure, Kubernetes, Terraform)
• Event-driven systems with Kafka, Cassandra & Redis
• End-to-end AI/ML systems & Generative AI / LLMOps (RAG, Prompt Engineering)
• Innovative IoT healthcare solutions
• Research in quantum & bioinformatics