subhash inavolu

Senior Data Science Leader | Brake Simulation

Salary / Daily rate

93400 Saint-Ouen-sur-Seine, France

Freelance, open to permanent contract

Skills

PythonMATLABMachine Learning

Languages

EnglishHindiTelugu

About me

Intro

Data Science Leader with 15+ years in automotive brake systems and AI applications. Expert in ML-driven brake performance prediction, product cost analysis, and LLM implementation at global companies like Alstom and Renault. Ready to transform your automotive engineering challenges with data-driven solutions and advanced simulation expertise.

Links

Work experience

Data Science Leader

Alstom

Oct 2022 - Present

4 years 1 month

Paris, France

Automated the data collection process, reducing manual workload and increasing data accuracy. Used ML model to identify the offer letter, from 40K PDFs from sharepoint Used Langgraph for Advanced RAG to extract data from supplier700+ offer letters, with an accuracy of 85%. The RAG model uses multistep context verification, initial reaction and reflection architecture inspired by DeepSeek Developed LLM Based AI model to compare documents - The output is a semanticaltechnical and commercial differences between versions- categorized by section Designed and implemented ML models for classifying various train assemblies in Dataiku,the newly improved feature engineering helped to build a model that improved the accuracy from 45 to 76% Built a web based user interface in Dash for users to interact with the Offer letter database Built statistical analysis model in Dataiku to find errors in BOM, by comparing data across different ERP systems Developed OOPS model in python to correct the weights of assemblies and individual components in PYTHON Developed experimental Multi agent orchestration in langgraph, with plan and execute architecture. The model answers questions on database, with query tool Developed advanced the use of AI-driven statistical models, to estimate the cost of assemblies, as a price distribution instead of a single values - Monte Carlo distribution in price estimate Built Power BI dashboards for should cost model, to negotiate with supplier and reference for cross-functional teams Won the award for Best idea in Development

Ingénieur Calcul Système de freinage

Groupe Renault

Feb 2018 - Oct 2022

4 years 9 months

78280 Guyancourt, France

Responsible for the Global Brake simulations softwore using matlab Upstream porject support for design and development of the brake system Predict the pedal feel, thermal performance of the brake system Analysis of the driving pattern by end user to optimize the brake system Analysis of the supplier test data to predict the brake performance Use Data engineering and machine learning to predict brake performance Development of new tools in python to analyse the brake pad life of different regions across the globe

RENAULT NISSAN MITSUBISHI ALLIANCE, INDIA

Oct 2011 - Jan 2018

6 years 4 months

Chennai, Tamil Nadu, India

Assistant Manager-Brake System

Apr 2016 - Jan 2018

1 year 10 months

Chennai, Tamil Nadu, India

Team lead Advanced Engineering in braking Development of New tools for braking system analysis Support for Outsourcing team in automation using Python and Selenium Brake system calculations using MATLAB

Senior Engineer Brake system

Apr 2013 - May 2016

3 years 2 months

Chennai, Tamil Nadu, India

Support for project team to understand the impact of technical changes Padlife prediction based on bench testing Analysis of the vehicle test reports Analyze the impact of various design changes on the current vehicle Development of Excel based analysis tool for braking

Engineer Brake system

Oct 2011 - May 2013

1 year 8 months

Chennai, Tamil Nadu, India

Support for Upstream product design Worked for 6 months in NTC japan Testing and analysis of parts at the supplier end Benchmarking of the competitors in terms of performance to optimize the system

Product Engineer

Brakes India Limited

Jun 2009 - Oct 2011

2 years 5 months

Chennai Area, India

Design and development of Brake system Vehicle testing of Commercial vehicles. Design of Brake on Ideas and unigraphics Calculation of Vehicle brake performance for Commercial Vehicles above 6 ton. Analysis of customer usage pattern


Education

Birla Institute of Technology and Science, Pilani

Master's degree

2021 - 2023

1 year 9 months

Vellore Institute of Technology (VIT)

Bachelor of Engineering - BE

2005 - 2009

4 years 2 months

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