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Tahseen Rahman profile picture

Tahseen Rahman

Software engineer & indie hacker. Building Revive, WaitlistKit & Rewardly. React Native + Supabase + Stripe. Shipping fast, writing about what I learn. 🇨🇦

Location Toronto, Canada Joined Joined on  Personal website https://revive-hq.com github website twitter website
Week Recap: When 292 Passing Tests Mean Nothing

Week Recap: When 292 Passing Tests Mean Nothing

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4 min read

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The Cost of Fake Tests: What I Learned Shipping a Chrome Extension

The Cost of Fake Tests: What I Learned Shipping a Chrome Extension

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7 min read
The Multi-Agent Framework Wars: What Actually Works in Production (March 2026)

The Multi-Agent Framework Wars: What Actually Works in Production (March 2026)

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5 min read
I Ran 4 AI Agent Frameworks in Production for 40 Days. Here's What Actually Works.

I Ran 4 AI Agent Frameworks in Production for 40 Days. Here's What Actually Works.

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6 min read
210K GitHub Stars in 72 Hours: OpenClaw and the Permissions > Intelligence Era

210K GitHub Stars in 72 Hours: OpenClaw and the Permissions > Intelligence Era

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6 min read
Building OpenClaw: What We Learned Launching an AI Agent Platform That Went Viral in 60 Days

Building OpenClaw: What We Learned Launching an AI Agent Platform That Went Viral in 60 Days

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7 min read
What ChurnKey Doesn't Tell You About Their Pricing — And Why It Cost Us $12,000

What ChurnKey Doesn't Tell You About Their Pricing — And Why It Cost Us $12,000

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3 min read
The Thread-Only Strategy Is Dead (X's 2026 Algorithm Shift)

The Thread-Only Strategy Is Dead (X's 2026 Algorithm Shift)

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3 min read
X Changed Its Algorithm. Articles Now Beat Threads. Here's Why Nobody's Talking About It.

X Changed Its Algorithm. Articles Now Beat Threads. Here's Why Nobody's Talking About It.

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3 min read
Why I'm Building a Flat-Fee Churn Tool When Revenue Share Prints Money

Why I'm Building a Flat-Fee Churn Tool When Revenue Share Prints Money

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3 min read
What ChurnKey Doesn't Tell You About Revenue Share (And Why It Matters)

What ChurnKey Doesn't Tell You About Revenue Share (And Why It Matters)

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3 min read
The 'Free Trial' That Costs You $12,500 a Year

The 'Free Trial' That Costs You $12,500 a Year

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3 min read
Twitter's 2026 Algorithm Shift: Why Your Articles Are Now Your Best Content

Twitter's 2026 Algorithm Shift: Why Your Articles Are Now Your Best Content

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4 min read
Why Stripe's Built-In Payment Retries Are Costing You Money (2026)

Why Stripe's Built-In Payment Retries Are Costing You Money (2026)

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5 min read
How We Built a Canadian Credit Card Optimizer That Respects Annual Caps (the detail nobody gets right)

How We Built a Canadian Credit Card Optimizer That Respects Annual Caps (the detail nobody gets right)

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5 min read
Building Rewardly: My First SaaS in Public

Building Rewardly: My First SaaS in Public

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7 min read
Why We Forget Cashback (And How to Fix It)

Why We Forget Cashback (And How to Fix It)

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3 min read
The $10,000/Month Marketing Page Most Devs Never Build

The $10,000/Month Marketing Page Most Devs Never Build

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3 min read
Stripe's Payment Retries Are a Blunt Instrument (And It's Costing You Thousands)

Stripe's Payment Retries Are a Blunt Instrument (And It's Costing You Thousands)

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4 min read
How I Built a Credit Card Rewards Optimizer with React Native, Supabase, and Stripe in 2 Weeks

How I Built a Credit Card Rewards Optimizer with React Native, Supabase, and Stripe in 2 Weeks

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4 min read
Revive vs Chargebee Retention (2026): The $800/mo Hidden Cost Trap

Revive vs Chargebee Retention (2026): The $800/mo Hidden Cost Trap

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5 min read
Revive vs Chargebee Retention: Which Churn Recovery Tool Is Right for Your SaaS in 2026?

Revive vs Chargebee Retention: Which Churn Recovery Tool Is Right for Your SaaS in 2026?

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8 min read
Revive Demo Walkthrough: Recover Your First Failed Payment in 5 Minutes

Revive Demo Walkthrough: Recover Your First Failed Payment in 5 Minutes

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4 min read
How FormDraft Recovered $2,400/Year in Failed Payments with Revive

How FormDraft Recovered $2,400/Year in Failed Payments with Revive

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6 min read
Revive vs Churnkey vs Baremetrics: Best Churn Recovery Tool for SaaS in 2026

Revive vs Churnkey vs Baremetrics: Best Churn Recovery Tool for SaaS in 2026

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11 min read
How to Recover Failed Payments and Reduce SaaS Churn (2026 Guide)

How to Recover Failed Payments and Reduce SaaS Churn (2026 Guide)

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9 min read
How to QA Test Your AI Agent: A Practical Playbook for 2026

How to QA Test Your AI Agent: A Practical Playbook for 2026

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7 min read
GetWaitlist Alternatives in 2026: Best Waitlist Tools for SaaS Founders

GetWaitlist Alternatives in 2026: Best Waitlist Tools for SaaS Founders

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7 min read
How to Build a Viral Referral Waitlist in 2026

How to Build a Viral Referral Waitlist in 2026

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10 min read
Stripe Failed Payment Recovery: The Complete Playbook for SaaS Founders

Stripe Failed Payment Recovery: The Complete Playbook for SaaS Founders

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11 min read
Best Pre-Launch Waitlist Tools in 2026: Compared

Best Pre-Launch Waitlist Tools in 2026: Compared

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9 min read
What Is Involuntary Churn? (And How to Stop Losing Revenue to It)

What Is Involuntary Churn? (And How to Stop Losing Revenue to It)

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9 min read
How a Solo SaaS Founder Recovered $2,400/Year in Failed Payments (Without Writing a Single Email)

How a Solo SaaS Founder Recovered $2,400/Year in Failed Payments (Without Writing a Single Email)

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5 min read
Revive vs Churnkey vs Baremetrics: Best Churn Recovery Tool for SaaS in 2025

Revive vs Churnkey vs Baremetrics: Best Churn Recovery Tool for SaaS in 2025

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10 min read
How to Build a Waitlist for Your Startup in 2026: The Complete Guide

How to Build a Waitlist for Your Startup in 2026: The Complete Guide

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11 min read
Churnkey vs ProfitWell vs Revive: Which Churn Recovery Tool Is Best in 2026?

Churnkey vs ProfitWell vs Revive: Which Churn Recovery Tool Is Best in 2026?

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11 min read
I built a Stripe churn recovery tool in public. $0 revenue so far. Here's the full story.

I built a Stripe churn recovery tool in public. $0 revenue so far. Here's the full story.

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4 min read
My AI Agent Lost Its Memory — Here's How It Fixed Itself

My AI Agent Lost Its Memory — Here's How It Fixed Itself

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6 min read
How to Reduce SaaS Churn in 2026: The Complete Playbook

How to Reduce SaaS Churn in 2026: The Complete Playbook

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9 min read
Best Credit Card Rewards Apps in Canada 2026: Complete Guide

Best Credit Card Rewards Apps in Canada 2026: Complete Guide

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11 min read
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