ISHA MAHALAKSHMI MOHANRAJ
AI RESEARCH ENGINEER
Tamil Nadu
Summary
AI Engineer with 3+ years of expertise in agentic architectures, multi-agent systems, and Generative AI. Proficient in LangGraph, advanced prompt engineering, code-based RAG pipelines, LLM evaluation, and multimodal LLM integration. Former Cloud Infrastructure Engineer at Discover Bank, skilled in AWS operations and data optimization.
Overview
4
4
years of professional experience
2
2
Certification
Work History
AI Research Engineer
Cognizant
02.2025 - Current
- Multi-Agent Log Management System: Developed a multi-agent system for automated log classification, remediation, and planning using semantic, episodic, and procedural memory agents. Integrated NeonDB (pgvector) and LangGraph, enabling dynamic tool selection, web data retrieval, and adaptive memory updates via vLLM and Ollama.
- Responsible AI Chatbot: Built a LangGraph backend for multi-turn interactions with dynamic prompt flows, response summarization, compliance-aligned advisory. Developed prompt chains to extract legal compliance metrics from user context.
- A2A Protocol: Designed a system integrating CrewAI, LangGraph, and LlamaIndex via Google’s Agent-to-Agent Protocol, consolidating multi-agent responses into UI.
- Multimodal RAG Backend: Developed embeddings for text, image, audio, and video (CLIP, CLAP, all-MiniLM, Vertex AI). Used ChromaDB and Qdrant for scalable retrieval and test case generation via transcribed embeddings or direct multimodal retrieval.
- MCP Protocol: Implemented MCP architecture with HTTP, SSE, Stdio, and OAuth via FastAPI. Built GenAI orchestration module for Copilot-driven automation (vector DB, BDD, web crawling, test scripts) and modular Java MCP web crawler for client needs.
Cloud Ops and Infrastructure Engineer
Cognizant
07.2023 - 01.2025
- Designed Tableau dashboards to monitor applications, service performance, ensuring uptime, early failure detection; debugged Python code, scheduled executions with Lambda, Airflow.
- Upgraded Artifactory images to fix backend Air9 issues and maintain seamless pod operations; integrated monitoring tools like DataDog, applied security patches, resolved vulnerabilities, automated ETL processes, collaborated with data teams to develop business-aligned models.
Cloud Ops and Infrastructure Engineer Trainee
Cognizant
07.2022 - 07.2023
- Built tables and views based on user requirements, granted access based on respective designations and roles, ensuring that warehouses, environments are used optimally.
- Fabricating EC2 instances, establishing and sustaining alarms for various services, altering IAM roles, managing RDS databases, lambdas, developed procedural documentation.
- Designed schemas and managed ETL pipelines for seamless data migration to Snowflake, utilizing Time Travel and Fail-Safe for data recovery and historical access.
Big Data Intern
Cognizant
01.2022 - 06.2022
- Developed a student reporting system by designing and implementing an optimized data warehouse architecture. Validated performance with 1,800 data entries and enhanced retrieval efficiency through query optimization in Apache Hive on Ubuntu.
Education
Bachelor of Computer Science and Engineering -
SRM Easwari Engineering College, Anna University
05.2022
Skills
Python Machine Learning Deep Learning Neural Networks NLP CV Data Science Statistics LLM Fine-tuning Prompt Engineering Agentic Architecture A2A Protocol MCP OpenAI Google Gemini Crew AI LangGraph LlamaIndex TensorFlow Google Vertex AI Multimodel Embedding Google ADK VectorDB OLAMMA VLLM ChatNVDIA Amazon Whisper Neo4j AWS GCP Docker Terraform Jenkins CI/CD Ansible OCP Data Engineering ETL Airflow Data Mining Data Warehousing Big Data Hadoop Snowflake MySQL PostgresSQL Tableau Data Visualization Java C R-Studio JIRA UI/UX Figma Datadog
Certification
- AWS Solution Architect Associate - CO3
- Google Associate Cloud Engineer
Publications
Synoptic Survey on Personality Prediction System using MBTI
IEEE · Sep 19, 2022 3rd International Conference on Electronics and Sustainable Communication Systems (ICESC) - DOI : https://doi.org/10.1109/ICESC54411.2022.9885634
Languages
English - Proficient, Tamil - Native, French - Intermediate, German - Beginner
Timeline
AI Research Engineer
Cognizant
02.2025 - Current
Cloud Ops and Infrastructure Engineer
Cognizant
07.2023 - 01.2025
Cloud Ops and Infrastructure Engineer Trainee
Cognizant
07.2022 - 07.2023
Big Data Intern
Cognizant
01.2022 - 06.2022
Bachelor of Computer Science and Engineering -
SRM Easwari Engineering College, Anna University