MMathi Selvan CContact→
Trusted by 16+ product teams

Experiences
That Stand Out!

I'm Mathi Selvan Chellaiah — with 9+ years of experience crafting research-led, accessible digital products across Logistics, Finance, Healthcare, Fitness, Education, Social Media, Dating, Gaming, Sports and eCommerce.
I create user-centered experiences that drive engagement, solve complex problems, and support business growth.

Book a call→View selected work
No pressure, just possibilities.
Healthcare UX·Research-led·Design Systems·Accessibility WCAG 2.1 AA·AI Product·Prototyping·Usability Testing·B2B Dashboards·iOS · Android · WebHealthcare UX·Research-led·Design Systems·Accessibility WCAG 2.1 AA·AI Product·Prototyping·Usability Testing·B2B Dashboards·iOS · Android · Web
9+
Years in practice
16
Products shipped
50+
User interviews
40%
Handoff time saved
Vol. I — Selected Work

Selected Works

A curated collection of digital experiences across healthcare, e-commerce, B2B and medtech.

№ 01Healthcare
2023

Quent — Remote Health Monitoring

UX for a remote patient monitoring platform. Wrist-wearable vitals, real-time clinical decision support, and emergency alerts on abnormal readings or fall detection.

Healthcare UXIoTHIPAA · HL7
Case Study →
№ 02Healthcare
2023–24

GlucoSense — Reimagine Diabetes

Personalised diabetes management surfacing complex blood-sugar data through a single daily GlucoScore — meals, sleep, exercise, devices, and nutrition in seconds.

Health UXData VizDevice Integration
Case Study →
№ 03Business
2023

TVSE PAY — Merchant

A merchant tool for outlets, operators, products, discounts, inventory and reports. Simplified complex operations into an intuitive dashboard.

B2B UXDashboardInventory
Case Study →
№ 04Business
2020

PikoHANA — One Source of Truth

Multi-company accounting dashboard for accounting officers. Guided 3-step onboarding, drag-and-drop report builder, consolidated groups view. −38% time to first report, +47% onboarding completion.

FinTech UXSaaSData Viz
Case Study →
№ 05Internal
2022–24

Enterprise UX Research Programme

50+ user interviews and moderated usability sessions across three enterprise products. Synthesised into journey maps and personas that shaped roadmap.

ResearchJourney MappingUsability
Case Study →
№ 06Business
2025

RAVER — AI Marketing for SMBs

Redesigned RAVER's AI marketing platform — reframed from a feature-rich beta into a calm, decision-ready product. +62% signup completion, 3.4× trial→paid, 4.8★ CSAT.

SaaS UXAI ProductActivation
Case Study →
№ 07Healthcare
2024

KAI Suites — Confinement Companion

Redesigned the in-suite experience for a luxury post-baby confinement service — concierge, smart-room, routines, and baby monitoring — into one calm bedside companion. −41% nighttime concierge calls, 4.9★ CSAT.

Hospitality UXHealthcareSmart Suite
Case Study →
№ 08Business
2019–20

ST Engineering Land Systems — Procurement

Consolidated four siloed defence procurement portals — Buyer, Supplier, Manager and System Admin — into one audit-grade workspace. 4 portals → 1, −63% RFQ turnaround, +118% supplier activation.

Enterprise UXProcurementDesign System
Case Study →
Scroll to explore — 8 projects
Vol. II
Capabilities

Skills & methods

A comprehensive breakdown of technical proficiency and strategic frameworks developed over a decade of design practice.

01

UX Research & Design

  • METHODOLOGYUser Interviews
    97%
  • TESTINGUsability Testing
    94%
  • SYSTEMSDesign Systems
    95%
  • STRATEGYJourney Mapping
    92%
  • ETHICSAccessibility (WCAG)
    90%
  • ANALYSISA/B Testing
    85%
02

Tools & Methods

  • CRAFTFigma
    97%
  • MOTIONPrototyping
    93%
  • COLLABORATIONMiro / Whiteboards
    90%
  • CREATIVEAdobe Creative Suite
    88%
  • PROCESSAgile / Scrum
    87%
  • FUTUREAI Design Tools
    83%
Vol. IIITechnology stack

Tools & software

Design and AI tools I reach for daily to ship exceptional experiences.

19 tools4 categories

Design & Prototype

Daily drivers

01 / 04
  • Figma
  • Sketch
  • Adobe XD
  • InVision
  • Figma Make
5 tools·/·

AI / Co-pilots

Force multipliers

02 / 04
  • UX Pilot AI
  • Relume AI
  • Adobe Firefly
  • Google Stitch
  • Cursor AI
  • Claude AI
  • Perplexity
7 tools·/·

Craft & Visuals

Pixel work

03 / 04
  • Photoshop
  • Illustrator
  • InDesign
  • Elementor
4 tools·/·

Collaborate

Team rituals

04 / 04
  • Miro
  • Jira
  • Slack
3 tools·/·
Vol. IVBackground

Experience

  1. Jan 2022 — April 2026
    Techmango Technology Services

    Senior UX Designer

    Lead a team of 4 across 5+ concurrent products. Designed and scaled an 80-component design system. Embedded WCAG 2.1 AA across all design outputs.

  2. Dec 2019 — Jan 2022
    Techmango Technology Services

    UX Designer

    Owned end-to-end UX across enterprise and consumer apps — research, wireframes, prototypes, usability testing, dev collaboration.

  3. Jul 2017 — Dec 2019
    K12 Techno Services, Bengaluru

    Graphic Designer

    Led a team of 8 designers producing UI and learning materials used across 200+ schools.

  4. May 2014 — Jul 2017
    Maverick · Salesian Bulletin · Don Bosco

    Production Designer & Visual Communicator

    Print and digital marketing collateral, educational books, magazines, and national-scale event production.

Vol. V · Colophon

Let's build something worth using.

Open to senior UX roles, design system projects, accessibility audits, and research contracts. Based in Madurai, India — available for remote work worldwide.

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