The Story Behind Grow With Jahirul

Hi, I'm JAHIRUL ISLAM. I Turn Fragmented Ad Spend Into Scalable Growth.

I am a senior performance marketer and tracking architect managing paid customer acquisition across DTC e-commerce, B2B SaaS, and high-ticket service verticals. Over the past 6+ years, I have stewarded over $4.5M+ in paid ad spend with an average blended ROAS of 3.8x.

While most media buyers operate strictly inside ad dashboards, I combine creative testing frameworks with full-funnel Server-Side Tracking engineering (sGTM, CAPI, BigQuery). This guarantees that your campaigns bid on real, deduplicated data—not browser guesswork.

JAHIRUL ISLAM

Career Highlights

$4.5M+

Cumulative Ad Spend Managed

3.8x

Average Blended ROAS

99.2%

Average CAPI Event Match Quality

35+

Brands & Growth Accounts Scaled

Core Values

My Growth Philosophy

01.

Clean Signals First

Never scale an ad budget on broken tracking. If 30% of your conversions are lost to browser blockers, the algorithm is optimizing on false signals. We fix the data layer before spending a single dollar.
02.

Creative is the Real Targeting

Interest hacking is obsolete. In modern Meta and Google auctions, your creative message, visual hook, and offer determine who converts. We test systematically using structured 3:2:2 DCT frameworks.
03.

Profit Over Vanity ROAS

A 10x ROAS that merely steals existing organic brand search is worthless. We measure real incrementality, blended MER, and contribution margin so your business actually grows in net cash flow.
Capabilities

Technical & Media Stack

Paid Acquisition & Media Buying

  • Meta Ads Manager (ASC, DCT, Broad)
  • Google Ads (Search & PMax)
  • Google Merchant Center / Margin Feeds
  • YouTube Ads & Demand Gen
  • TikTok Ads Scaling

Server-Side Tracking & Analytics

  • Server-Side Google Tag Manager (sGTM)
  • Meta Conversions API (CAPI)
  • GA4 Custom Funnels & Dimensions
  • Google Cloud Run / Stape Hosting
  • BigQuery Raw Event Streaming
  • Offline Conversion Tracking (OCT)

E-Commerce Tech & Optimization

  • Shopify Plus / Theme Architecture
  • Looker Studio Executive Dashboards
  • Klaviyo Retention & Flows
  • Triple Whale / Northbeam Multi-Touch
  • Landing Page & Funnel CRO
Verification

Certifications & Credentials

Meta Certified Media Buying Professional

Meta Blueprint • Verified 2024

Google Ads Search & Measurement Certification

Google Skillshop • Verified 2024

Google Analytics 4 Individual Qualification

Google • Verified 2024

Server-Side Tagging & Attribution Specialist

Analytics Mania • Verified 2024