Senior Product Designer · AI, Interaction & Platform Systems
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Design / Product / AI Hyderabad / India
00 : 00 : 00

Tejj

High-trust product systems at billion-user scale.

Platform experiences / product craft / systems thinking

Selected work

The work that
shaped how I think.

Six projects across Windows, health, AI, and authentication. Each reveals a different problem, a difficult trade-off, and the decisions I made along the way.

Explore the projects
How I work

Explore widely.
Decide clearly.

I move from research and systems thinking to interaction detail, prototyping, and the final ten percent that makes an experience feel complete.

See my approach
Microsoft · 2021–2026

Selected
work

Six projects across Windows and Bing Health. Each case study makes my role, decisions, trade-offs, and product context clear.

WindowsAIHealthSystems
A document arcing along particle trails into a circular drop targetInteraction model · Windows

Windows Drop Tray

Patent granted

A new file-movement interaction for Windows, designed to remain useful without becoming intrusive at billion-user scale.

A path of connected nodes rising across layered panels of search dataJourney design · Bing Health

Health search journeys

A credibility-first experience that helped people move from anxious health searches toward clearer and more useful next steps.

A medical shield with a heartbeat line, surrounded by data and model panelsTrust framework · Health AI

Trustworthy health AI

Patent granted

A trust framework that kept generative health answers connected to expert-reviewed information, visible evidence, and responsible next actions.

A face rendered as a point mesh inside scanning bracketsResearch & prototyping · Windows Hello

Low-light face unlock

Research and prototyping for face authentication that remains dependable when lighting conditions become difficult.

Interface panels arranged along a connected path beside a measurement scaleQuality system · Windows

Measuring Windows craft

Adopted across three organisations

A shared framework for evaluating complete Windows journeys instead of reviewing isolated screens in isolation.

Stacked ad cards streaming into a verified shield inside concentric ringsResult architecture · Bing Health

Health ads without breaking trust

An action-first advertising model that introduced useful commercial pathways without compromising clarity or user trust.

How I work

My work moves between operating-system detail, high-stakes AI, research, prototyping, and the systems that help quality travel across products and teams.

Approach

Human stakes.
System depth.
Relentless craft.

Product / research / prototyping / systems
Working rule 01

Explore widely. Decide clearly.

I rarely trust the first obvious solution. I explore broadly enough to understand the system, then narrow deliberately until the final experience feels simple and defensible.

Working rule 02

Design for the moment people are in.

People rarely use products with perfect attention. They may be distracted, anxious, impatient, or unfamiliar with the system. I design for that reality rather than expecting users to study the interface.

Working rule 03

Prototype to learn, not to impress.

I use prototypes to answer questions. Sometimes I’m testing behaviour, sometimes timing, and sometimes whether an idea feels natural at all.

Working rule 04

Finish the last ten.

The final ten percent is where trust is often won or lost. I stay close to states, transitions, language, accessibility, performance, and edge cases until the experience feels complete.

Career · Four industries

Experience

Nine years across AI, operating systems, enterprise banking, consulting, and learning products, always close to the work and clear on why the decision matters.

9+
Years in product design
AI & OSFintechEnterpriseEdtech
04 roles2017–now
Microsoft AI & WindowsAI · Platform · WindowsProduct Designer II · 2021–2026
TemenosEnterprise bankingUX Designer II / 2020–2021
WongDoodyInnovation · B2BSenior UX Designer / 2019–2020
BYJU’SLearning productsProduct Designer / 2017–2019
What connects the work

Different domains.
The same working style.

I move fluidly between research, interaction design, prototyping, systems thinking, and product storytelling. The domain changes, but the habit remains: understand the real problem, make the decision visible, and carry the work through.

View full experience
Evidence over adjectives

The work
leaves a trail.

A record of product work, patents, mentoring, publishing, speaking, and independent practice beyond the day job.

01 / 11
1B+Windows users within the product context of my work
2Microsoft patents granted as a named inventor
800+Designers mentored through ADPList
Top 1%ADPList mentor recognition
120+Nodes of Design podcast episodes
60+Countries reached through Nodes of Design
30+Keynotes and masterclasses delivered
5,000+People hosted across 32 events in the Creativee community
100+Creative leaders featured in Nodes of Wisdom book
14+Awards and recognitions
9+Years across four industries

Beyond Microsoft

Six independent practices

Outside my product work, I follow my curiosity wherever it leads: into conversations, books, mentoring, data art, talks, and communities. These are not side projects to me. They are different ways of learning in public and sharing what I discover.

Off the clock

Twelve frames

A few frames from the rest of my life. Stages and studios, but also long rides, music with friends, and places worth travelling to.

Tejj mid-swing on the golf course
Chasing par
Tejj after finishing the 10K at the Global Grace Cancer Run in Hyderabad
Run for Grace
Tejj with the Creativee design community he founded
Creativee community
The Nodes of Wisdom book launch stage
Launch stage
Tejj riding his motorcycle
The ride
Kayaking at sunset on the Costa Brava, Spain
Costa Brava
Tejj holding the Telangana Excellence Award
Excellence award
Tejj and friends playing music together outdoors
The jamming crew
Generative data artwork projected at an exhibition
Data art
The Windows design team together
Windows crew
The office courtyard seen from an upper floor
Favourite view
Tejj being interviewed by press at the Nodes of Wisdom launch
Launch day
Open to conversations

Most recently at Microsoft AI & Windows, now open to senior and staff product design roles. Happy to walk through the work, including the parts that did not work.

Hyderabad / India / available globally
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