Portrait of Joshua Stalin S

Senior Data Science Specialist ยท Infineon Technologies ยท Bengaluru

Turning raw data into
decisions that ship.

๐Ÿ‘‹ Hi, I'm Joshua Stalin S (he/him)

Right now I'm building

๐Ÿ† Spot Award, Infineon โ˜๏ธ AWS Certified ๐Ÿฅ‡ Entrepreneurship Summit Winner
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Years of experience
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Projects shipped
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Certifications
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Hours automated per year

01. Experience

Where I've worked and what I delivered.

Apr 2026 โ€” Present

Senior Data Science Specialist

Infineon Technologies ยท Excellence & Digitalization

  • Lead the design and development of Generative AI applications for supply chain operations โ€” intelligent supply chain assistants, smart contract analytics, and inventory forecasting solutions.
  • Built TableauTalk, a conversational intelligence layer over the complete enterprise Tableau estate โ€” plain-English Q&A grounded in extracted workbook knowledge, with end-to-end lineage tracing for impact analysis.
  • Developed a supply chain multi-agent system: an orchestrator routing questions to specialist agents (text-to-SQL, analysis, visualization) for end-to-end Q&A and planning decision support across inventory, allocation, and capacity.
  • Architect scalable data pipelines and analytics platforms that power AI-driven applications and enterprise reporting.
  • Develop interactive Tableau and SQL dashboards, transforming complex operational data into actionable business insights.
  • Drive Objectives & Key Results as OKR Master for the digitalisation organization, aligning strategic initiatives across multiple teams.
  • Lead bilateral collaboration with the Microcontroller business line โ€” engaging business heads to bring in ideas, collect problem statements, and shape them into digitalisation solutions.
  • Champion innovation by combining data engineering, analytics, and LLMs to solve supply chain challenges at enterprise scale.

Jan 2025 โ€” Mar 2026

Data Science Specialist

Infineon Technologies ยท Digitalisation & Excellence Team

  • Lead development of scalable data pipelines and advanced Tableau dashboards delivering actionable insights to business stakeholders.
  • Built ARUP, an Excel and web-based automation tool (Python, Pandas, JavaScript) that eliminated routine manual work equivalent to one full-time employee โ€” recognised with a Spot Award.
  • Developing an LLM-powered Tableau bug tracker that prioritises and automates resolution of critical issues.
  • Built Vizard, a Webex chatbot using NLP and LLM techniques that guides users to the right Tableau dashboards via API-integrated recommendations.
  • Automated and scheduled non-headless Python scripts on VMs with CI/CD, saving 4 hours per week.
  • Introduced JIRA-based sprints for task management, improving prioritisation and team productivity.

Oct 2023 โ€” Dec 2024

Analyst โ€” Supply Chain

Infineon Technologies ยท ATV SPM MC

  • Managed inventory and allocation across frontend and backend supply chains, collaborating with CLM and capacity teams.
  • Automated inventory tracking with batch-file integration, cutting 3 hours of manual reporting per week.
  • Designed and rolled out the FRFC Tracker, aligning supply chain planning teams with quarterly revenue targets.
  • Identified bottlenecks and built tools for revenue tracking, inventory management, and decision-making.

Sep โ€” Oct 2023

Software Engineer Intern

Indian Institute of Astrophysics (IIA) ยท Bangalore

  • Worked on the Thirty Meter Telescope (TMT) project, developing a device to handle drastic temperature fluctuations in space, using Embedded C and Python.

Jan โ€” Apr 2023

Software Developer Intern

Idea Elan ยท India

  • Enhanced backend API functionality for a web application using ASP.NET, C#, MySQL, ReactJS, and Angular.

02. Projects

Things I've designed, built, and shipped.

Rain & Meeting Smart Commute Notifier

Full-stack app that decides when you should leave the office โ€” combining real-time weather (Open-Meteo), live traffic (Google Maps), and your meeting calendar through a rules-based decision engine, with scheduled checks every 30 minutes and a React Native mobile dashboard.

Node.jsExpressReact NativeExpoREST APIs

TableauTalk

Conversational intelligence over a complete enterprise Tableau estate: ask questions in plain English and get answers grounded in knowledge extracted from workbooks and dashboards, with end-to-end lineage tracing โ€” chart โ†’ field โ†’ datasource โ†’ Prep flow โ†’ raw source โ€” for impact analysis and debugging.

LLMRAGFastAPITableauData Lineage

Supply Chain Multi-Agent System

Orchestrator that routes business questions to specialist agents โ€” text-to-SQL, analysis, and visualization โ€” answering supply chain questions end-to-end and supporting planning decisions across inventory, allocation, and capacity.

Multi-AgentLLMText-to-SQLFastAPIOrchestration

Tableau Knowledge Base

The data foundation behind TableauTalk: a Python pipeline that parses raw Tableau workbooks, datasources, and Prep flows into a structured metadata knowledge base with deep backward lineage, served through a FastAPI layer backed by MySQL.

PythonFastAPIMySQLTableauData Lineage

ARUP โ€” Automation Suite

Excel and web-based tool that automated routine manual reporting tasks for the team, saving effort equivalent to one full-time employee.

PythonPandasJavaScript

๐Ÿ† Recognised with an Infineon Spot Award

Vizard โ€” Webex LLM Chatbot

Conversational assistant that understands natural-language questions and guides users to the most relevant Tableau dashboards through API-integrated recommendations, built with NLP and LLM techniques.

LLMNLPWebex APIPython

Smart Mentor ยท Christograph

Knowledge base and recommendation system over a university faculty database โ€” matching students to mentors by topics of interest and enabling research-paper analysis, using Neo4j graph relationships, cosine-similarity ranking, and content-based search with a ReactJS frontend.

Neo4jMongoDBNLPReactJSCosine Similarity

PhD Text Summariser

NLP and LLM-based tool that extracts concise summaries from large research documents, simplifying the literature-review process for PhD candidates.

NLPLLMPython

Farm Alive

Platform helping farmers track cultivation and manage marketing โ€” crop, harvest, and expenditure records, soil/climate-based crop suggestions, and an auction module that lets farmers sell produce at fair prices without middlemen.

AISQLFull-stack

E-Commerce on Web 3.0

Blockchain-based e-commerce platform for trading crops and farming materials, bringing transparent, trustless transactions to agricultural trade.

BlockchainWeb 3.0SQLAI

SILAR Instrument

Designed and built a Successive Ionic Layer Adsorption and Reaction (SILAR) instrument for the Physics department at St. Joseph's โ€” hands-on electronic instrumentation and embedded control.

C++Electronic InstrumentationHardware

03. Skills

The tools I reach for โ€” click a highlighted skill to see it in action in my projects.

AI & Generative AI

Generative AILLMsRAGMulti-Agent OrchestrationText-to-SQLNLPTensorFlowVector Databases

Data Engineering & Analytics

PythonSQLPandasNumPyTableauTableau Prep BuilderData LineageHadoopMySQLMongoDBNeo4jAdvanced Excel

Apps, APIs & Cloud

FastAPINode.jsExpressReactJSReact NativeREST APIsBlockchainEmbedded CCI/CDGitLabDockerKubernetesAWSGCP

Supply Chain & Leadership

Supply PlanningCapacity ForecastingAllocation MonitoringInventory ManagementSAP ERPOKR Master

04. Education & Certifications

Formal training and credentials.

MCA โ€” Data Science / Machine Learning

Christ (Deemed to be University), Bangalore ยท 2021 โ€” 2023

BSc โ€” Electronics, Physics, Mathematics

St. Joseph's University, Bangalore ยท 2017 โ€” 2020

SAP S/4HANA

Udemy ยท Jul 2024

Mastering Data Structures & Algorithms

Udemy ยท Jan 2023

SQL Bootcamp

Udemy ยท Jan 2023

AWS Academy Graduate โ€” Cloud Foundations

Amazon Web Services ยท Nov 2022

Satellite-Based Navigation Systems

IIRS โ€” ISRO, Dehradun ยท Mar 2021

GCP Fundamentals: Core Infrastructure

Coursera ยท Jun 2020

Python: Programming for Everybody & Data Structures

Coursera ยท Jun 2020

05. Accomplishments

Recognition along the way.

๐Ÿ“ฐ

Published โ€” International Mini-Conference

AI-powered mobile app for real-time public transport tracking with personalised availability recommendations, promoting sustainable commuting. Built with IoT, image processing, and TensorFlow.

๐Ÿฅ‡

1st Place โ€” Entrepreneurship Summit

Winner under IT & Innovation, organised by the Youth Aid Foundation, Bangalore.

06. Get in touch

Open to conversations about data science, analytics engineering, and LLM-powered tooling. The fastest way to reach me is email or LinkedIn.