3 years. $300k+ in delivered work. A 100% success rate on a platform where every single review is public and permanent. Here is the proof.
Screenshots, not claims. $300K+ earned, 123 jobs, 8,108 hours, 100% Job Success, Top Rated Plus. Every review below is public and permanent on the platform.












Real clients, real numbers, full write-ups. Click any card for the complete story.
Full deliverability rebuild and a targeted cold email + LinkedIn engine drove 374% revenue growth over a 12+ month partnership.
List activation / Streaming SaaSCompetitor lists turned into 250,000+ new users. 20,000 emails a day, 80%+ open rates, 100% deliverability on a 5-server infrastructure.
Outbound engine / Design agencyRebuilt outreach infrastructure turned deliverability failures into $200,000+ in revenue, with 4 to 5 qualified leads a day across email and LinkedIn.
Outbound engine / Creator agency15 qualified leads in month one, then roughly 3 leads a day for six months, at 100% deliverability on in-house SMTP infrastructure.
Marketing automation / NonprofitThe email backbone for a 50,000-person global network: 19 programs unified on Acquia Campaign Studio, migrated off Salesforce Marketing Cloud.
Retention / Consumer appA cold, inherited list unified under Klaviyo. Deliverability from 10% to 61% in 30 days and $2,000 a day in additional flow revenue.
Retention / Home services appA fragmented messaging stack rebuilt into a full Braze funnel: email, SMS and push as one system, driving $2,000 a day in extra revenue.
Verbatim from verified 5.0 Upwork reviews.
"Kunal is the BEST!"
"Kunal was extremely knowledgeable and easy to work with. Hope to work with again sometime in the future."
"Very efficient and straight forward. I would recommend Kunal for Sendgrid API and CRM campaign automation tasks."
"He was so quick to find the problem and then providing a straight forward solution. Kunal demonstrated the knowledge and we are glad to receive his expertise."
"Partnering with Kunal was a breeze. He came to our first meeting with creative solutions and ideas, quickly bringing our project to fruition. I highly recommend him for his efficiency and insight."
"Kunal is highly knowledgable and well-versed with Mailchimp. We are very happy with the designs he built for our client. Highly recommended."