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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Arunachalam Kasi — Software Engineer & Data Scientist</title>
<meta name="description" content="Arunachalam Kasi — Software Engineer Intern at Twinly and B.S. Data Science student at San Jose State University. Building ML models, data tools, and AI assistants in Python, SQL, and JavaScript.">
<meta name="author" content="Arunachalam Kasi">
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<script>document.documentElement.classList.add('js');</script>
<meta name="theme-color" content="#ECE1CF">
<!-- Open Graph / social. NOTE: after deploying, set og:url + canonical to your live URL. -->
<meta property="og:type" content="website">
<meta property="og:title" content="Arunachalam Kasi — Software Engineer & Data Scientist">
<meta property="og:description" content="Data Science student & software engineer building ML models, data tools, and AI assistants.">
<meta property="og:image" content="assets/og-image.png">
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="630">
<meta property="og:image:alt" content="Arunachalam Kasi — Software Engineer & Data Scientist">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="Arunachalam Kasi — Software Engineer & Data Scientist">
<meta name="twitter:description" content="Data Science student & software engineer building ML models, data tools, and AI assistants.">
<meta name="twitter:image" content="assets/og-image.png">
<!-- Favicon: AK monogram -->
<link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Crect width='100' height='100' rx='20' fill='%23221D16'/%3E%3Ctext x='50' y='71' font-family='Georgia,serif' font-size='58' font-weight='700' fill='%23ECE1CF' text-anchor='middle'%3EAK%3C/text%3E%3C/svg%3E">
<!-- Fonts -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght,SOFT,WONK@0,9..144,300..900,0..100,0..1;1,9..144,300..900,0..100,0..1&family=Hanken+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
<link rel="stylesheet" href="styles.css">
</head>
<body>
<a class="skip" href="#main">Skip to content</a>
<!-- ===================== NAV ===================== -->
<nav class="nav" id="nav">
<a href="#top" class="brand" aria-label="Arunachalam Kasi — home">
<span class="mono-badge">AK</span>
<span>Arunachalam Kasi</span>
</a>
<div class="nav-links">
<a href="#about"><span class="num">01</span>About</a>
<a href="#work"><span class="num">02</span>Experience</a>
<a href="#projects"><span class="num">03</span>Projects</a>
<a href="#skills"><span class="num">04</span>Skills</a>
<a href="#contact"><span class="num">05</span>Contact</a>
</div>
<a class="nav-cta" href="assets/arunachalam-kasi-resume.pdf" target="_blank" rel="noopener">Résumé <span aria-hidden="true">↗</span></a>
<button class="nav-toggle" id="navToggle" aria-label="Open menu" aria-expanded="false" aria-controls="mobileMenu">
<span></span><span></span><span></span>
</button>
</nav>
<div class="mobile-menu" id="mobileMenu" aria-hidden="true">
<a href="#about"><span class="num">01</span>About</a>
<a href="#work"><span class="num">02</span>Experience</a>
<a href="#projects"><span class="num">03</span>Projects</a>
<a href="#skills"><span class="num">04</span>Skills</a>
<a href="#contact"><span class="num">05</span>Contact</a>
<a href="assets/arunachalam-kasi-resume.pdf" target="_blank" rel="noopener"><span class="num">06</span>Résumé</a>
</div>
<main id="main" tabindex="-1">
<!-- ===================== HERO ===================== -->
<header class="hero" id="top">
<div class="hero-glow"></div>
<div class="wrap">
<div class="hero-top">
<span class="status-dot"><i></i> Open to Summer 2026 internships</span>
<span class="status-dot" style="color:var(--ink-2)"><span aria-hidden="true">📍</span> Dublin, California</span>
</div>
<h1 aria-label="Arunachalam Kasi">
<span class="line"><span>Arunachalam</span></span>
<span class="line"><span><em>Kasi</em></span></span>
</h1>
<div class="hero-meta">
<p class="hero-lede">
<b>Software Engineer Intern @ Twinly</b> and B.S. Data Science student at
San José State University. I build <b>ML models</b>, <b>data tools</b>, and
<b>AI assistants</b> — and teach the next wave of coders along the way.
</p>
<div class="hero-actions">
<a class="btn btn-primary" href="#projects">View Work <span class="ar" aria-hidden="true">→</span></a>
<a class="btn btn-ghost" href="#contact">Get in Touch</a>
</div>
</div>
</div>
<div class="scroll-cue"><span class="bar"></span> Scroll</div>
</header>
<!-- ===================== MARQUEE ===================== -->
<div class="marquee" aria-hidden="true">
<div class="marquee-track">
<span>Python</span><span>Machine Learning</span><span>SQL</span><span>Java</span>
<span>React</span><span>Data Science</span><span>Tableau</span><span>Cybersecurity</span>
<span>AI Assistants</span><span>Flask</span><span>Git & GitHub</span><span>Linux</span>
<span>Python</span><span>Machine Learning</span><span>SQL</span><span>Java</span>
<span>React</span><span>Data Science</span><span>Tableau</span><span>Cybersecurity</span>
<span>AI Assistants</span><span>Flask</span><span>Git & GitHub</span><span>Linux</span>
</div>
</div>
<!-- ===================== ABOUT ===================== -->
<section class="section" id="about">
<div class="wrap">
<div class="section-head reveal">
<div>
<p class="eyebrow">01 — Profile</p>
<h2 class="section-title" style="margin-top:1rem">Driven by <em>data</em>,<br>built to ship.</h2>
</div>
</div>
<div class="about-grid">
<div class="about-body reveal" data-d="1">
<p class="dropcap">
I'm a Data Science undergraduate at San José State University (4.0 GPA, Class of 2026)
who lives at the intersection of analytics and engineering. Whether it's predicting
heart-attack risk with machine learning or wiring up a voice-activated AI assistant,
I like turning messy data and rough ideas into things people can actually use.
</p>
<p>
Right now I'm interning as a <b>Software Engineer at Twinly</b> while running
data analytics at <b>IDX Exchange</b> and improving learning platforms at
<b>Knodemy</b>. My toolkit spans Python, Java, SQL and the modern web — backed by a
Google Cybersecurity Professional Certificate and a stubborn habit of shipping.
</p>
<p>
When I'm not building, I'm teaching: mentoring young developers at All Star Code and
running robotics curricula for the next generation of makers.
</p>
</div>
<aside class="about-aside reveal" data-d="2">
<div class="monogram">
<span class="mg">A<em>K</em></span>
<span class="tag">Est. 2026 · Dublin, CA</span>
</div>
<div class="stats" id="stats">
<div class="stat"><div class="n" data-count="4.0" data-dec="1">0.0</div><div class="l">University GPA</div></div>
<div class="stat"><div class="n" data-count="11" data-suffix="">0</div><div class="l">Public Repos</div></div>
<div class="stat"><div class="n" data-count="6" data-suffix="+">0</div><div class="l">Certifications</div></div>
<div class="stat"><div class="n" data-count="6" data-suffix="">0</div><div class="l">Roles & Internships</div></div>
</div>
</aside>
</div>
</div>
</section>
<!-- ===================== EXPERIENCE ===================== -->
<section class="section" id="work" style="background:var(--bg-2)">
<div class="wrap">
<div class="section-head reveal">
<div>
<p class="eyebrow">02 — Experience</p>
<h2 class="section-title" style="margin-top:1rem">Where I've <em>worked</em></h2>
</div>
<span class="idx">2022 — Present</span>
</div>
<div class="xp-list">
<article class="xp reveal" data-d="1">
<div class="xp-when">2026 — Present</div>
<div class="xp-main">
<h3>Software Engineer Intern · <span class="org">Twinly</span></h3>
<p>Building and shipping software as part of the engineering team — writing production code, collaborating across the stack, and turning ideas into working product.</p>
<div class="xp-tags"><span>Software Eng</span><span>Full-Stack</span><span>Agile</span></div>
</div>
<div class="xp-where">Internship</div>
</article>
<article class="xp reveal" data-d="1">
<div class="xp-when">Mar 2026 — Present</div>
<div class="xp-main">
<h3>Data Analyst Intern · <span class="org">IDX Exchange</span></h3>
<p>Designed Tableau dashboards tracking housing-market KPIs, transformed raw MLS/IDX datasets with SQL/Python, and surfaced insights through exploratory data and statistical analysis.</p>
<div class="xp-tags"><span>Tableau</span><span>SQL</span><span>Python</span><span>EDA</span></div>
</div>
<div class="xp-where">Remote</div>
</article>
<article class="xp reveal" data-d="1">
<div class="xp-when">Feb 2026 — Present</div>
<div class="xp-main">
<h3>IT Intern · <span class="org">Knodemy</span></h3>
<p>Contributed to software and platform improvements, built technical learning materials for CS programs, and improved learning-and-demo efficiency by 20%.</p>
<div class="xp-tags"><span>Platform</span><span>CS Education</span></div>
</div>
<div class="xp-where">Pleasanton, CA</div>
</article>
<article class="xp reveal" data-d="1">
<div class="xp-when">Jan 2026 — Present</div>
<div class="xp-main">
<h3>Robotics Instructor · <span class="org">CodeAdvantage</span></h3>
<p>Developed and delivered hands-on robotics curriculum for youth, fusing hardware and software integration, and mentored students through inclusive STEM programs.</p>
<div class="xp-tags"><span>Robotics</span><span>Arduino</span><span>Teaching</span></div>
</div>
<div class="xp-where">San Jose, CA</div>
</article>
<article class="xp reveal" data-d="1">
<div class="xp-when">Jun — Aug 2024</div>
<div class="xp-main">
<h3>Cohort Leader · <span class="org">All Star Code</span></h3>
<p>Led and mentored 20 aspiring developers through an immersive summer program — running workshops on HTML, CSS and JavaScript and giving one-on-one feedback on technical problem-solving.</p>
<div class="xp-tags"><span>Mentorship</span><span>Web Dev</span></div>
</div>
<div class="xp-where">San Jose, CA</div>
</article>
<article class="xp reveal" data-d="1">
<div class="xp-when">2022 — 2025</div>
<div class="xp-main">
<h3>Teacher Assistant · <span class="org">California Tamil Academy</span></h3>
<p>Instructed 50+ students in core curriculum, lifting participation by 50% through differentiated instruction, personalized feedback and reward-based motivation systems.</p>
<div class="xp-tags"><span>Instruction</span><span>Leadership</span></div>
</div>
<div class="xp-where">Pleasanton, CA</div>
</article>
</div>
</div>
</section>
<!-- ===================== PROJECTS ===================== -->
<section class="section" id="projects">
<div class="wrap">
<div class="section-head reveal">
<div>
<p class="eyebrow">03 — Selected Work</p>
<h2 class="section-title" style="margin-top:1rem">Things I've <em>built</em></h2>
</div>
<span class="idx">github.com/Akasi132</span>
</div>
<div class="proj-grid">
<a class="card feat reveal" data-d="1" href="https://github.com/Akasi132/TARS" target="_blank" rel="noopener">
<div class="card-top">
<span class="card-kind">AI · Open-Source <span class="fork-tag">Fork</span></span>
<span class="card-arrow" aria-hidden="true">↗</span>
</div>
<h3>TARS</h3>
<p>A modular voice-activated AI assistant I work on — wake-word detection, Whisper speech-to-text, text-to-speech output, real-time voice chat, a tunable personality engine, and RAG-based memory backed by ChromaDB.</p>
<div class="meta">
<div class="langs">
<span class="lang"><i class="dot-js"></i>JavaScript</span>
<span class="lang"><i class="dot-py"></i>Python</span>
</div>
</div>
</a>
<a class="card feat reveal" data-d="2" href="https://github.com/Akasi132/HeartAttackLikeliness" target="_blank" rel="noopener">
<div class="card-top">
<span class="card-kind">Machine Learning</span>
<span class="card-arrow" aria-hidden="true">↗</span>
</div>
<h3>Heart-Attack Likeliness</h3>
<p>An ML pipeline that predicts heart-attack risk from health and lifestyle indicators — combining exploratory data analysis of risk factors with trained classification models for individual risk assessment.</p>
<div class="meta">
<div class="langs">
<span class="lang"><i class="dot-py"></i>Python</span>
<span class="lang"><i class="dot-sql"></i>scikit-learn</span>
</div>
</div>
</a>
<a class="card half reveal" data-d="1" href="https://github.com/Akasi132/ProblemPad2.0" target="_blank" rel="noopener">
<div class="card-top">
<span class="card-kind">Full-Stack</span>
<span class="card-arrow" aria-hidden="true">↗</span>
</div>
<h3>ProblemPad 2.0</h3>
<p>A problem-report tool with a vanilla JS frontend and a Flask + SQLite backend (Dockerized), with graceful localStorage fallback when the API is offline.</p>
<div class="meta">
<div class="langs">
<span class="lang"><i class="dot-html"></i>HTML/JS</span>
<span class="lang"><i class="dot-flask"></i>Flask</span>
<span class="lang"><i class="dot-docker"></i>Docker</span>
</div>
</div>
</a>
<a class="card half reveal" data-d="2" href="https://github.com/Akasi132/idx-exchange-analytics" target="_blank" rel="noopener">
<div class="card-top">
<span class="card-kind">Data Analytics</span>
<span class="card-arrow" aria-hidden="true">↗</span>
</div>
<h3>IDX Exchange Analytics</h3>
<p>Real-estate analytics tied to my IDX Exchange work — turning raw MLS/IDX feeds into structured datasets and KPI dashboards that track pricing and inventory trends.</p>
<div class="meta">
<div class="langs">
<span class="lang"><i class="dot-py"></i>Python</span>
<span class="lang"><i class="dot-sql"></i>SQL</span>
<span class="lang"><i class="dot-html"></i>Tableau</span>
</div>
</div>
</a>
<a class="card third reveal" data-d="1" href="https://github.com/Akasi132/BookBot" target="_blank" rel="noopener">
<div class="card-top">
<span class="card-kind">Python · CLI</span>
<span class="card-arrow" aria-hidden="true">↗</span>
</div>
<h3>BookBot</h3>
<p>A Python command-line tool that parses a book and reports text statistics — word counts and character-frequency analysis.</p>
<div class="meta"><div class="langs"><span class="lang"><i class="dot-py"></i>Python</span></div></div>
</a>
<a class="card third reveal" data-d="2" href="https://github.com/Akasi132/ProblemPad" target="_blank" rel="noopener">
<div class="card-top">
<span class="card-kind">Web App</span>
<span class="card-arrow" aria-hidden="true">↗</span>
</div>
<h3>ProblemPad</h3>
<p>The original problem-report template — a lightweight static web app persisting entries to the browser, the foundation that ProblemPad 2.0 grew from.</p>
<div class="meta"><div class="langs"><span class="lang"><i class="dot-html"></i>HTML</span><span class="lang"><i class="dot-css"></i>CSS</span></div></div>
</a>
<a class="card third reveal" data-d="3" href="https://github.com/Akasi132/myPortfolio" target="_blank" rel="noopener">
<div class="card-top">
<span class="card-kind">Frontend</span>
<span class="card-arrow" aria-hidden="true">↗</span>
</div>
<h3>Portfolio</h3>
<p>An earlier hand-built portfolio site — my first dive into crafting layouts and responsive design from scratch with HTML and CSS.</p>
<div class="meta"><div class="langs"><span class="lang"><i class="dot-html"></i>HTML</span></div></div>
</a>
<a class="card card-all reveal" href="https://github.com/Akasi132" target="_blank" rel="noopener">
<div>
<h3>See all 11 repositories</h3>
<p>Experiments, coursework, and works-in-progress over on GitHub.</p>
</div>
<span class="card-arrow" aria-hidden="true">↗</span>
</a>
</div>
</div>
</section>
<!-- ===================== SKILLS ===================== -->
<section class="section" id="skills" style="background:var(--bg-2)">
<div class="wrap">
<div class="section-head reveal">
<div>
<p class="eyebrow">04 — Toolkit</p>
<h2 class="section-title" style="margin-top:1rem">What I <em>work</em> with</h2>
</div>
</div>
<div class="skills-grid">
<div class="skill-col reveal" data-d="1">
<h3>Languages</h3>
<ul><li>Python</li><li>Java</li><li>SQL</li><li>JavaScript</li><li>HTML / CSS</li><li>Bash</li></ul>
</div>
<div class="skill-col reveal" data-d="2">
<h3>Web & Frameworks</h3>
<ul><li>React</li><li>Flask</li><li>Node Basics</li><li>REST APIs</li><li>Responsive UI</li></ul>
</div>
<div class="skill-col reveal" data-d="3">
<h3>Data & ML</h3>
<ul><li>Tableau</li><li>scikit-learn</li><li>EDA & Statistics</li><li>AI / ML Fundamentals</li><li>Data Structures</li></ul>
</div>
<div class="skill-col reveal" data-d="4">
<h3>Tools & Platforms</h3>
<ul><li>Git / GitHub</li><li>Docker</li><li>Linux</li><li>Arduino</li><li>VS Code</li><li>After Effects</li></ul>
</div>
<div class="skill-col reveal" data-d="5">
<h3>Foundations</h3>
<ul><li>Cybersecurity</li><li>Threat Modeling</li><li>OOP</li><li>Algorithms</li><li>Technical Comms</li></ul>
</div>
</div>
</div>
</section>
<!-- ===================== CREDENTIALS ===================== -->
<section class="section" id="credentials">
<div class="wrap">
<div class="section-head reveal">
<div>
<p class="eyebrow">05 — Credentials</p>
<h2 class="section-title" style="margin-top:1rem">Education & <em>certs</em></h2>
</div>
</div>
<div class="cred-grid">
<div class="cred-block reveal" data-d="1">
<h3>Education</h3>
<div class="edu-item">
<div class="deg">B.S. Data Science</div>
<div class="meta">
<span class="school">San José State University · San Jose, CA</span>
<span class="gpa">GPA 4.0</span>
</div>
<div class="when">Class of 2026</div>
</div>
<div class="edu-item">
<div class="deg">High School Diploma</div>
<div class="meta">
<span class="school">Dublin High School · Dublin, CA</span>
<span class="gpa">GPA 4.07</span>
</div>
<div class="when">2021 — 2025</div>
</div>
</div>
<div class="cred-block reveal" data-d="2">
<h3>Certifications</h3>
<div class="cert-list">
<div class="cert"><span class="c-name">Google Cybersecurity Professional</span><span class="c-by">Google</span><span class="c-yr">2026</span></div>
<div class="cert"><span class="c-name">Version Control · Git & GitHub</span><span class="c-by">Meta</span><span class="c-yr">2026</span></div>
<div class="cert"><span class="c-name">Full-Stack Web Dev Intensive</span><span class="c-by">All Star Code</span><span class="c-yr">2024</span></div>
<div class="cert"><span class="c-name">Computer Engineering for Good</span><span class="c-by">NYU Tandon</span><span class="c-yr">2024</span></div>
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