PMM at Lumenci · Building in public
AI-native product & growth marketer
Positioning
GTM
Building
Powered by caffeine
And figuring why users never came back
Figma
2026
Retainful
View Case Study
Claude design
2026
Good Freshers
View Case Study
Google Sheets
2026
Pronto
View Case Study
About
I MOVED TO GURUGRAM IN SEPTEMBER 26, ALONE, AT 25
I grew up in a small town. Now weekdays go to work, and weekends go to teardowns & side projects.
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
Retainful
Marketing
2026
GitHub
Early days
Live from GitHub — updates automatically
Capabilities
Where I can help
Positioning & website rewrite
Before: Visitors read your homepage and still ask “so what do you do?”
After: They get it on the first read, and more of them sign up.
GTM & launches
Before: You launch, get some likes, and it’s forgotten by the next day.
After: The right people hear about it first, and it turns into signups and pipeline.
Growth modeling
Before: Everyone has a different theory about what’s driving growth.
After: One sheet shows it, and the team works on what actually moves the number.
Onboarding & activation
Before: People sign up, look around, and leave.
After: More of them reach the moment it clicks, and stay long enough to pay.
Retention & monetization
Before: Users drift off quietly, and few ever upgrade.
After: You know why, and more of them stay and pay.
Timeline
Where I’ve worked
Sep 2026 – Present
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 the Retainful from email-only to omnichannel. Grew ARR from $120K to $160K.
Kind words
From the people I’ve worked with
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
People partner
“The website finally feels like our brand.”
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
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
Answer 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?
FAQs
Answer 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?
PMM at Lumenci · Building in public
AI-native product & growth marketer
Positioning
GTM
Building
Powered by caffeine
And figuring why users never came back
Figma
2026
Retainful
View Case Study
Claude design
2026
Good Freshers
View Case Study
Google Sheets
2026
Pronto
View Case Study
About
I MOVED TO GURUGRAM IN SEPTEMBER 26, ALONE, AT 25
I grew up in a small town. Now weekdays go to work, and weekends go to teardowns & side projects.
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
Retainful
Marketing
2026
GitHub
Early days
Live from GitHub — updates automatically
Capabilities
Where I can help
Positioning & website rewrite
Before: Visitors read your homepage and still ask “so what do you do?”
After: They get it on the first read, and more of them sign up.
GTM & launches
Before: You launch, get some likes, and it’s forgotten by the next day.
After: The right people hear about it first, and it turns into signups and pipeline.
Growth modeling
Before: Everyone has a different theory about what’s driving growth.
After: One sheet shows it, and the team works on what actually moves the number.
Onboarding & activation
Before: People sign up, look around, and leave.
After: More of them reach the moment it clicks, and stay long enough to pay.
Retention & monetization
Before: Users drift off quietly, and few ever upgrade.
After: You know why, and more of them stay and pay.
Timeline
Where I’ve worked
Sep 2026 – Present
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 the Retainful from email-only to omnichannel. Grew ARR from $120K to $160K.
Kind words
From the people
I’ve worked with
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
People partner
“The website finally feels like our brand.”
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
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
Answer 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?
FAQs
Answer 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?
PMM at Lumenci · Building in public
AI-native product & growth marketer
Positioning
GTM
Building
Powered by caffeine
And figuring why users never came back
Figma
2026
Retainful
View Case Study
Claude design
2026
Good Freshers
View Case Study
Google Sheets
2026
Pronto
View Case Study
About
I MOVED TO GURUGRAM IN SEPTEMBER , ALONE, AT 25
I grew up in a small town. Now weekdays go to work, and weekends go to teardowns & side projects.
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
Retainful
Marketing
2026
GitHub
Early days
Live from GitHub — updates automatically
Capabilities
Where I can help
Positioning & website rewrite
Before: Visitors read your homepage and still ask “so what do you do?”
After: They get it on the first read, and more of them sign up.
GTM & launches
Before: You launch, get some likes, and it’s forgotten by the next day.
After: The right people hear about it first, and it turns into signups and pipeline.
Growth modeling
Before: Everyone has a different theory about what’s driving growth.
After: One sheet shows it, and the team works on what actually moves the number.
Onboarding & activation
Before: People sign up, look around, and leave.
After: More of them reach the moment it clicks, and stay long enough to pay.
Retention & monetization
Before: Users drift off quietly, and few ever upgrade.
After: You know why, and more of them stay and pay.
Timeline
Where I’ve worked
Sep 2026 – Present
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 the Retainful from email-only to omnichannel. Grew ARR from $120K to $160K.
Kind words
From the people
I’ve worked with
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
People partner
“The website finally feels like our brand.”
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
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
Answer 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?
FAQs
Answer 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?
Music