Available for Full-Stack & AI Roles · Coimbatore / Remote

Designing & Engineering Resilient Systems That Scale

I am a UI/UX Designer and Mechatronics Engineer crafting full-stack AI web products. I combine systems-level engineering with intuitive interface design to make complex software effortless to use.

Explore Selected Work GitHub Profile

SKCET Mechatronics '28

500+ Daily Users Handled

1st Prize Best Innovation

01 · Impact & Metrics

Measurable Technical Velocity

Transforming product ideas into scalable code with architectural discipline and verified user impact.

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Projects Built

From concept to functional code

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Core Tech Stacks

Frontend, Backend & Design tools

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Major Products

AI & Full-Stack Web Applications

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Ideas & Curiosity

Continuous drive to build better

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Hackathons & Expos

Participating in product builds & rapid prototyping events with multiple 1st prize accolades.

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Certifications & Research

UI/UX principles, Full-Stack development, Industry 4.0 paper plant automation & AI tools.

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Freelance & Collaboration

Delivering intuitive digital solutions for clients, high-growth startups & distributed teams.

02 · Methodology

From Problem to Product

An integrated 6-stage lifecycle uniting user research, rapid prototyping, and engineering rigor to build resilient applications. Click any stage to inspect deliverables.

01

Discover

Understand users, conduct stakeholder interviews, map journey pain points, and define business goals.

02

Define

Identify core friction points, articulate problem statements, and define technical product requirements.

03

Design

Create intuitive user flows, structured wireframes, accessible design systems, and pixel-perfect UI screens.

04

Prototype

Build clickable interactive prototypes in Figma to test usability, refine micro-interactions, and validate ideas.

05

Develop

Convert validated designs into clean, responsive frontend code, scalable backend APIs, and efficient database schemas.

06

Launch & Improve

Test with end-users, deploy to cloud infrastructure, monitor analytics, and iteratively optimize performance.

03 · Selected Work

Featured Products & Case Studies

Shipped applications designed for clarity, high conversion, and clean code architecture.

AI/ML UI/UX TypeScript EdTech

Sana AI — Learning Companion

A student-focused mobile & web application engineered around AI study assistance — revision flows, Pomodoro focus sessions, curriculum roadmap generation, and adaptive connectors.

Design: User-centered learning flows, dark-mode cognitive load reduction, interactive roadmap connectors, and habit-tracking micro-interactions.

Development: React, TypeScript, Vite, Tailwind CSS, LocalStorage caching, Vercel edge deployment, and responsive PWA offline support.

Open Live App GitHub →

🏆 1st Prize, Best Innovation Accessibility AI Vision

INAI — Connect (இணை)

An accessibility-first AI companion uniting visual, hearing, and speech assistance into one adaptive interface — real-time environmental reading, voice waveforms, sign language translation, and instant emergency SOS.

Design: WCAG AAA contrast adherence, tactile haptic feedback cues, emergency single-tap trigger architecture, and intuitive layout hierarchy.

Development: Web Speech API, Computer Vision pipeline, PWA offline support, and adaptive layout engine.

Open Live App GitHub →

UI/UX Full-Stack EdTech Gamification

PlaynLearn — Gamified Learning Platform

A role-based learning platform that combines interactive education, gamified learning, real-world tasks, and reward-based engagement for students, teachers, and parents.

Design: User-centered learning flows, interactive subject experiences, task dashboards, progress tracking, and reward-focused interactions.

Development: React, TypeScript, Vite, Tailwind CSS, Supabase, PWA, role-based routing, interactive learning modules, and reward workflows.

Open Live App GitHub →

Industry 4.0 IoT Telemetry Python & ML

Cube AI — Industrial Predictive Maintenance

AI-powered predictive maintenance and real-time machine telemetry suite engineered for paper manufacturing plants — tracking vibration signatures, bearing wear, and estimating Remaining Useful Life (RUL).

Design: High-density operational telemetry dashboard, instant emergency triage indicators, and responsive touch-screen shop-floor displays.

Development: Python, TensorFlow/Keras predictive logic, automated sensor ingestion pipelines, reducing manual plant oversight by 20%.

View Experience Record GitHub Profile →

Agency Portfolio Video Production Frontend

Vibe Editors — Creative Agency Platform

End-to-end client showcase and service portal engineered for Vibe Editors creative video agency — interactive video timeline previews, dark cinematic brand identity, and client inquiry intake pipelines.

Design: Cinematic dark visual language, custom timeline scrubber widgets, video reel lightbox, and streamlined inquiry funnels.

Development: Modern JavaScript, CSS Grid layouts, optimized media delivery, and Vercel edge deployment.

Open Live Site GitHub →

</> · Engineering

Building Beyond the Interface

Clean code architecture, modular component structure, well-documented REST APIs, and active version control. Live GitHub data from @sanjai-sanjai.

Sanjai Ragunath

@sanjai-sanjai

UI/UX Designer × Full-Stack & AI Developer · Building user-centered AI web apps.

Python

TypeScript

React

JavaScript

CSS/HTML

Contributions & Commit Activity Active Builder

Connected with Git version control and modern CI/CD pipelines.

Explore GitHub Profile →

Sana-Ai--All-working Public

AI-powered student learning companion featuring study roadmap generators, Pomodoro focus trackers, and adaptive revision algorithms.

TypeScript

☆ 24

ⓘ 8

cubeai-predictive-maintenance Public

AI-powered industrial predictive maintenance platform featuring machine health monitoring, vibration analytics, and TensorFlow RUL estimation.

Python / React

☆ 19

ⓘ 5

vibe-editors-portfolio Public

High-performance agency portfolio platform built with responsive CSS, interactive video timeline preview components, and inquiry workflows.

JavaScript

☆ 14

ⓘ 3

first-version (INAI Connect) Figma & Web

Accessibility-focused multi-modal platform integrating real-time speech-to-text waveforms, sign language translation, and emergency navigation.

React / PWA

☆ 31

ⓘ 9

05 · Experience

Where Rigor Meets Execution

Production AI system deployments, startup frontend scalability, and rigorous engineering foundations.

Mar 2026 — Jun 2026

Artificial Intelligence System Developer

Cube AI Solutions Pvt Ltd · Coimbatore, India

Engineered AI-powered industrial monitoring solutions for the paper industry, improving system monitoring efficiency by 15%.
Designed Industry 4.0 automation workflows across 3 key plant processes and formulated predictive logic that reduced manual oversight by 20%.
Architected sensor data ingestion pipelines for vibration and temperature telemetry to provide early equipment failure warnings.

Jan 2025 — Feb 2026

Frontend Developer

TGP Global Trade · Remote Startup

Built responsive web interfaces supporting 500+ daily user interactions in a fast-paced, high-growth startup environment.
Led platform UI improvements, reducing average page load time by 30% and significantly boosting overall user retention.
Collaborated across engineering and product to ship trade-document validation and compliance checking workflows.

2024 — 2028 (Expected)

B.E. Mechatronics Engineering

Sri Krishna College of Engineering & Technology · Coimbatore, Tamil Nadu

Specializing in cyber-physical systems, industrial robotics, sensor integration, embedded programming, and modern software architectures.
Competitor in collegiate hackathons, winning 1st Prize in the 24-hour AI Innovation Hackathon.

06 · Skills & Arsenal

Technical Capabilities

A versatile toolkit spanning UI/UX design systems, modern frontend engineering, and AI automation.

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UI/UX & Product Design

Figma Design Systems Auto-Layout 5.0 Wireframing Prototyping User Flows WCAG AAA

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Frontend Engineering

React TypeScript JavaScript Vite Tailwind CSS Semantic HTML5 PWA

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AI & Backend Systems

Python TensorFlow RESTful APIs Supabase Firebase SQL & DBMS Prompt Engineering

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Mechatronics & IoT

C / C++ Embedded Logic Sensor Telemetry Industry 4.0 Automation Logic Data Structures

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Developer Tooling

Git & GitHub Vercel & Netlify CI/CD Pipelines Chrome DevTools VS Code

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Honors & Recognition

1st Prize · 24h Hackathon First Prize · AI Hackathon '26 Best Innovation Award 500+ DAU Startup Lead

07 · Connect

Let's Design & Build Something Great.

Whether you are looking for an intuitive product designer, a full-stack developer with systems-level thinking, or an AI collaborator — my inbox is open.

+91 78100 44095

Direct Call →

linkedin.com/in/sanjai-innovator

Connect →

github.com/sanjai-sanjai

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