Sanjai Kathirvel

PMM at Lumenci · Building in public

AI-native product & growth marketer

Positioning

GTM

Building

About

I MOVED TO GURUGRAM IN SEPTEMBER 26, ALONE, AT 25

Side work

I take on projects

PMM, growth, onboarding, or whatever’s stuck.

Manipal

Postgraduate Degree

Master’s in Creative & Digital Marketing.

4:30 am

Daily learning block

PMM, growth and psychology, before work.

2.5+ yrs

Growth & PMM

Led positioning, messaging, and product launches.

Projects

What I've worked on

Pronto

Growth Model

2026

Good Freshers

Positioning

2026

Retainful

Marketing

2026

Off the Clock

Books & Movies

‹Reading Now
Unseen: Deepinder Goyal & The Making of Zomato
1 of 2
Unseen: Deepinder Goyal & The Making of Zomato
Megha Vishwanath
“The untold story of Deepinder Goyal and how Zomato was built from the ground up.”
53% completed-47% left
Yes, the wheel works — press MENU or skip tracks.

Timeline

Where I’ve worked

Sep 2026 – Present

Lumenci – Senior Product Marketer

Working on positioning, messaging and GTM for iLumos, Lumenci’s patent intelligence platform. Also sales enablement, collateral, website copy, and how the product is presented as new features ship.

Apr 2026 – Aug 2026

Safebox – Growth PM

Launched the Account Aggregator bank-linking flow end to end, the core Day 7 activation feature.

Jan 2026 – Jul 2026

Record (Freelance) – Growth Consultant

Led positioning and messaging for Good Freshers, Record's new hiring line. Designed and wrote copy for Record's new website.

Mar 2024 – Apr 2026

Cartrabbit – Growth Marketer

Repositioned Retainful from email-only to omnichannel. Grew ARR from $120K to $160K.

Kind words

From the people I’ve worked with

Kiruthika Chandrasekar

Kiruthika Chandrasekar

Human Resources Specialist

A Growth Marketer Who Creates Impact

What makes him stand out is his thought process and the way he executes it. He reads more, researches deeply, understands the task assigned, and finishes it like a pro. That extra effort in connecting research with execution gives him an edge. Sanjai is the kind of marketer who knows his target, finds the right way to achieve it, and delivers results. A true go-getter — just tell him what you want, and he’ll find a way to make it happen.

Angel Yazhini

Angel Yazhini

People Partner

Out-of-the-box ideas that stand out.

Sanjai? You can blindly trust him with anything, because he always delivers his best and his ideas consistently stand out in a room full of marketers. I’ve seen him put the same energy and focus into every task, no matter how big or small. Maybe it’s natural talent, but the truth is he consistently comes up with out-of-the-box ideas. All because he genuinely loves what he does, and it shows in the quality of his work.

Jagadesh Krishnan

Jagadesh Krishnan

Head of Marketing

Owns his work from start to finish.

I had the opportunity to work closely with Sanjai, and I was genuinely impressed by his ownership and commitment to his work. He was highly accountable and could be trusted to take responsibility for his projects from start to finish. What stood out to me most was his passion for the work, he consistently showed curiosity, enthusiasm, and a willingness to go the extra mile.

FAQs

Answers Before

We Talk

Are you looking for a full-time job?

What kind of projects do you take on?

Are you a growth person or a product marketer?

Why should I trust you?

How much time can you give?

How does a project work?

FAQs

Answers Before

We Talk

Are you looking for a full-time job?

What kind of projects do you take on?

Are you a growth person or a product marketer?

Why should I trust you?

How much time can you give?

How does a project work?

Sanjai Kathirvel

PMM at Lumenci · Building in public

AI-native product & growth marketer

Positioning

GTM

Building

About

I MOVED TO GURUGRAM IN SEPTEMBER 26, ALONE, AT 25

Side work

I take on projects

PMM, growth, onboarding, or whatever’s stuck.

Manipal

Postgraduate Degree

Master’s in Creative & Digital Marketing.

4:30 am

Daily learning block

PMM, growth and psychology, before work.

2.5+ yrs

Growth & PMM

Led positioning, messaging, and product launches.

Projects

What I've worked on

Pronto

Growth Model

2026

Good Freshers

Positioning

2026

Retainful

Marketing

2026

Off the Clock

Books & Movies

‹Reading Now
Unseen: Deepinder Goyal & The Making of Zomato
1 of 2
Unseen: Deepinder Goyal & The Making of Zomato
Megha Vishwanath
“The untold story of Deepinder Goyal and how Zomato was built from the ground up.”
53% completed-47% left
Yes, the wheel works — press MENU or skip tracks.

Timeline

Where I’ve worked

Sep 2026 – Present

Lumenci – Senior Product Marketer

Working on positioning, messaging and GTM for iLumos, Lumenci’s patent intelligence platform. Also sales enablement, collateral, website copy, and how the product is presented as new features ship.

Apr 2026 – Aug 2026

Safebox – Growth PM

Launched the Account Aggregator bank-linking flow end to end, the core Day 7 activation feature.

Jan 2026 – Jul 2026

Record (Freelance) – Growth Consultant

Led positioning and messaging for Good Freshers, Record's new hiring line. Designed and wrote copy for Record's new website.

Mar 2024 – Apr 2026

Cartrabbit – Growth Marketer

Repositioned Retainful from email-only to omnichannel. Grew ARR from $120K to $160K.

Kind words

From the people
I’ve worked with

Kiruthika Chandrasekar

Kiruthika Chandrasekar

Human Resources Specialist

A Growth Marketer Who Creates Impact

What makes him stand out is his thought process and the way he executes it. He reads more, researches deeply, understands the task assigned, and finishes it like a pro. That extra effort in connecting research with execution gives him an edge. Sanjai is the kind of marketer who knows his target, finds the right way to achieve it, and delivers results. A true go-getter — just tell him what you want, and he’ll find a way to make it happen.

Angel Yazhini

Angel Yazhini

People Partner

Out-of-the-box ideas that stand out.

Sanjai? You can blindly trust him with anything, because he always delivers his best and his ideas consistently stand out in a room full of marketers. I’ve seen him put the same energy and focus into every task, no matter how big or small. Maybe it’s natural talent, but the truth is he consistently comes up with out-of-the-box ideas. All because he genuinely loves what he does, and it shows in the quality of his work.

Jagadesh Krishnan

Jagadesh Krishnan

Head of Marketing

Owns his work from start to finish.

I had the opportunity to work closely with Sanjai, and I was genuinely impressed by his ownership and commitment to his work. He was highly accountable and could be trusted to take responsibility for his projects from start to finish. What stood out to me most was his passion for the work, he consistently showed curiosity, enthusiasm, and a willingness to go the extra mile.

FAQs

Answers Before

We Talk

Are you looking for a full-time job?

What kind of projects do you take on?

Are you a growth person or a product marketer?

Why should I trust you?

How much time can you give?

How does a project work?

FAQs

Answers Before

We Talk

Are you looking for a full-time job?

What kind of projects do you take on?

Are you a growth person or a product marketer?

Why should I trust you?

How much time can you give?

How does a project work?

Sanjai Kathirvel

PMM at Lumenci · Building in public

AI-native product & growth marketer

Positioning

GTM

Building

About

I MOVED TO GURUGRAM IN SEPTEMBER 26, ALONE, AT 25

Side work

I take on projects

PMM, growth, onboarding, or whatever’s stuck.

Manipal

Postgraduate Degree

Master’s in Creative & Digital Marketing.

4:30 am

Daily learning block

PMM, growth and psychology, before work.

2.5+ yrs

Growth & PMM

Led positioning, messaging, and product launches.

Projects

What I've worked on

Pronto

Growth Model

2026

Good Freshers

Positioning

2026

Retainful

Marketing

2026

Off the Clock

Books & Movies

‹Reading Now
Unseen: Deepinder Goyal & The Making of Zomato
1 of 2
Unseen: Deepinder Goyal & The Making of Zomato
Megha Vishwanath
“The untold story of Deepinder Goyal and how Zomato was built from the ground up.”
53% completed-47% left
Yes, the wheel works — press MENU or skip tracks.

Timeline

Where I’ve worked

Sep 2026 – Present

Lumenci – Senior Product Marketer

Working on positioning, messaging and GTM for iLumos, Lumenci’s patent intelligence platform. Also sales enablement, collateral, website copy, and how the product is presented as new features ship.

Apr 2026 – Aug 2026

Safebox – Growth PM

Launched the Account Aggregator bank-linking flow end to end, the core Day 7 activation feature.

Jan 2026 – Jul 2026

Record (Freelance) – Growth Consultant

Led positioning and messaging for Good Freshers, Record's new hiring line. Designed and wrote copy for Record's new website.

Mar 2024 – Apr 2026

Cartrabbit – Growth Marketer

Repositioned Retainful from email-only to omnichannel. Grew ARR from $120K to $160K.

Kind words

From the people
I’ve worked with

Kiruthika Chandrasekar

Kiruthika Chandrasekar

Human Resources Specialist

A Growth Marketer Who Creates Impact

What makes him stand out is his thought process and the way he executes it. He reads more, researches deeply, understands the task assigned, and finishes it like a pro. That extra effort in connecting research with execution gives him an edge. Sanjai is the kind of marketer who knows his target, finds the right way to achieve it, and delivers results. A true go-getter — just tell him what you want, and he’ll find a way to make it happen.

Angel Yazhini

Angel Yazhini

People Partner

Out-of-the-box ideas that stand out.

Sanjai? You can blindly trust him with anything, because he always delivers his best and his ideas consistently stand out in a room full of marketers. I’ve seen him put the same energy and focus into every task, no matter how big or small. Maybe it’s natural talent, but the truth is he consistently comes up with out-of-the-box ideas. All because he genuinely loves what he does, and it shows in the quality of his work.

Jagadesh Krishnan

Jagadesh Krishnan

Head of Marketing

Owns his work from start to finish.

I had the opportunity to work closely with Sanjai, and I was genuinely impressed by his ownership and commitment to his work. He was highly accountable and could be trusted to take responsibility for his projects from start to finish. What stood out to me most was his passion for the work, he consistently showed curiosity, enthusiasm, and a willingness to go the extra mile.

FAQs

Answers Before

We Talk

Are you looking for a full-time job?

What kind of projects do you take on?

Are you a growth person or a product marketer?

Why should I trust you?

How much time can you give?

How does a project work?

FAQs

Answers Before

We Talk

Are you looking for a full-time job?

What kind of projects do you take on?

Are you a growth person or a product marketer?

Why should I trust you?

How much time can you give?

How does a project work?