Resume

Vishal Ramesh

+91-9486566843
Chennai, Tamil Nadu, IN

Summary

Results-driven Machine Learning Engineer with over 5 years of experience designing, building, and deploying scalable end-to-end ML solutions in production cloud environments. Expertise in developing production-grade systems that handle millions of requests daily, including advanced NLP pipelines, decision support systems, and robust large-scale model deployment infrastructures. Specializes in microservice architecture (Java, Spring Boot) and MLOps best practices, effectively translating complex enterprise challenges into impactful, data-driven applications.

Education

  • B.Tech in Computer Science and Engineering
    2020
    SASTRA Deemed to be University
    Courses: Data Structures, Algorithms, Database Management Systems, Artificial Intelligence, Object-Oriented Design

Work Experience

  • Lead Data Scientist
    July 2025
    Freshworks
    • Directed transition of features to open-source LLaMA and Qwen models, utilizing quantization techniques and assessing output quality with MLflow's LLM-as-a-Judge framework.
    • Spearheading enhancements to the RCA product feature to support higher customer data volumes and improved anomaly detection throughput.
    • Architecting an organization-wide evaluation framework for agent-based AI features, standardizing quality measurement across agentic workflows
  • Senior Data Scientist
    July 2022 - June 2025
    Freshworks
    • Engineered and implemented a production-scale Custom Intent Detection microservice, enabling customers to train models on their own data, overseeing 10,000+ live custom models handling approximately 1 million daily requests.
    • Designed and implemented an organization-wide MLOps framework covering model monitoring, feedback loops, and data and model version tracking to enhance operational efficiency
    • Built an Entity Extraction service to identify and extract structured entities from support tickets and live chat conversations.
    • Designed and implemented a Query-to-Graph agentic system, enabling customers to build analytical dashboards and conduct data-driven conversations using natural language queries
    • Developed and deployed a Root Cause Analysis (RCA) product feature leveraging Generative AI and data analysis techniques to proactively alert customer business leaders about anomalies in their key business metrics, along with AI-generated potential root causes.
  • Data Scientist
    April 2021 - June 2022
    Freshworks
    • Developed and integrated a conversational AI model for small talk interactions within the chatbot framework, improving user experience and dialogue effectiveness.
    • Designed and deployed a production-grade Embedding service by quantizing the LaBSE model, building a high-performance inference layer, and deploying it for large-scale production use.
  • Graduate Trainee - Data Science
    October 2020 - March 2021
    Freshworks
    • Implemented a Question-and-Answer (QnA) retrieval system and integrated it with the existing AI chatbot to improve response accuracy and coverage.
  • Data Science Intern
    December 2019 - September 2020
    Freshworks
    • Enhanced the AI chatbot to incorporate communication channel-based context, enabling more relevant and personalized bot responses across different messaging channels.
    • Implemented Global Feedback Flows for the chatbot platform, enabling structured collection of user feedback to drive continuous improvement

Skills

Programming Languages

  • Python
  • Java

Backend & Microservices

  • Spring Boot
  • FastAPI
  • Redis
  • Docker
  • Celery

ML & Data Science

  • TensorFlow
  • PyTorch
  • Scikit-Learn
  • NumPy
  • Pandas

Cloud & MLOps

  • AWS
  • CI/CD (Jenkins, AWS CodePipeline)
  • Kubernetes
  • Databricks
  • Git

Databases

  • RDBMS (SQL)
  • MongoDB (NoSQL)
  • Elasticsearch