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Satyajit Ovelil

A Senior Machine Learning Engineer specializing in time series forecasting, adept at utilizing ensemble models to achieve approximately 95% accuracy. Proven ability to successfully reduced forecasting error by approximately 2%. Excels at developing, deploying & managing ML Pipelines for time series predictions.
  • Role

    Senior Analyst - Data & AI

  • Years of Experience

    6.3 years

  • Professional Portfolio

    View here

Skillsets

  • Time Series
  • S3
  • Sagemaker
  • Seaborn
  • SHAP
  • Shell
  • Statistics
  • T-sne
  • Tcns
  • TensorFlow
  • RNNs
  • XgBoost
  • API
  • Folium
  • gateway
  • JavaScript
  • MongoDB
  • PyTorch
  • Scikit-learn
  • Shapely
  • Kmeans
  • Python
  • Git
  • Python
  • AWS
  • CNNs
  • EC2
  • EDA
  • Eli5
  • Keras
  • Deep Learning
  • Lambda
  • LSTMs
  • MLFlow
  • NumPy
  • pandas
  • PostgreSQL
  • Probability
  • Random Forest

Professional Summary

6.3Years
  • Dec, 2023 - Present2 yr 4 months

    Senior Analyst - Data & AI

    Accenture
  • Mar, 2022 - Dec, 20231 yr 9 months

    Machine Learning Engineer 2

    Climate Connect Digital
  • Feb, 2021 - Mar, 20221 yr 1 month

    Machine Learning Engineer

    Climate Connect Digital
  • May, 2019 - Dec, 20201 yr 7 months

    Management Trainee

    Svatantra Microfinance

Applications & Tools Known

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    Python

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    Git

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    FastAPI

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    MLflow

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    Laravel

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    Plotly

Work History

6.3Years

Senior Analyst - Data & AI

Accenture
Dec, 2023 - Present2 yr 4 months
    Monitored & tuned models forecasting for 2k units/month, developing protocols for long-term accuracy. Customized accuracy metrics to strategically integrate AI principles with business goals. Facilitated stakeholder collaboration to significantly improve and organize accuracy reports. Utilized data-driven tools to measure process performance, check quality & capacity utilization. Oversaw governance standards, streamlined processes, & managed risk logs for consistency.

Machine Learning Engineer 2

Climate Connect Digital
Mar, 2022 - Dec, 20231 yr 9 months
    Led a team of 3-5 Engineers, streamlined AI model life cycle processes, reducing deployment time. Mentored 5+ junior Engineers in ML Frameworks, time series forecasting, git & best practices. Managed refactoring of weather data pipelines for 12+ regions, ensuring consistent processing & reliable workflows. Reduced MAPE by 2% for existing intraday models via rigorous cross-validation & error analysis. Built & deployed ML pipeline for UK electricity price forecasting with cross- functional teams. Developed statistical risk measurement features for energy trading app, deployed securely via FastAPI.

Machine Learning Engineer

Climate Connect Digital
Feb, 2021 - Mar, 20221 yr 1 month
    Enhanced forecasting model interpretability across 5+ regions, cutting grid operator's decision time by 28%. Developed modular ML pipelines, boosting efficiency with MLOps in 9 projects & 25+ models. Developed seasonal models for 4 AEMO's NEM region using bias detection for balanced forecasts. Achieved ~95% accuracy in electricity demand forecasting using ensemble models with extensive feature engineering. Prototyped Dagster for scalable weather data pipelines, ensuring reliability in 5+ projects.

Management Trainee

Svatantra Microfinance
May, 2019 - Dec, 20201 yr 7 months
    Managed audits across 16 branches, boosting compliance and efficiency, and reducing errors. Implemented ML Classifier to predict employee attrition across 3+ departments, 2000+ employees. Created dashboards using Plotly to analyse 2+ yrs of credit cycle data, enhancing decision-making. Optimized large dataset handling (>30 GB) using out-of-core processing for efficient analysis. Developed a Python app to analyse large financial reports, boosting data processing efficiency.

Achievements

  • 6th place in the MachineHack Forecasting Solar Energy Efficiency Hackathon
  • 30% reduction in errors while loading data via Laravel API
  • Solution attained score within top 10% in the Bertelsmann Arvato Customer Segmentation and Prediction Challenge
  • 6th place in the MachineHack Forecasting Solar Energy Efficiency Hackathon.

Major Projects

4Projects

Bertelsmann-Arvato Customer Segmentation & Prediction

    Capstone Project for Data Scientist Nanodegree by Udacity. Involves prediction of customer conversion from a marketing campaign.

NYC Electricity Demand Forecasting

    Demonstrates & gives a glimpse of my capabilities.

Disaster Response Pipeline Project

    Developed ETL pipeline to clean & store data in sqlite db. ML pipeline trains & saves classifier and serves model using Flask App.

Impact of Climate Trends on Crop Yield

    Master's Thesis; uses a fixed effects model, NICRA crop yield data and ICRISAT climate data.

Education

  • M.Sc. Climate Change & Sustainability Studies

    Tata Institute of Social Sciences (2019)
  • B.Sc. Mathematics

    Fergusson College (2015)

Certifications

  • Data scientist nanodegree

  • Deep learning specialization

  • Rnfpcc

  • Data Scientist Nanodegree