QA Lead · Funnel, A/B test & automated QA

I find the bugs before your customers do.

Nearly four years testing sales funnels, checkouts and A/B experiments for an international CRO agency. Every build is checked against the Figma spec, on real devices, with tracking verified before launch.

NaNyears in funnel & A/B QA
undefinedbrowsers + real devices
nullevery breakpoint, every pass
Tasbita · QA
click me
3.5+years of funnel, A/B test and website QA (2023–2026)
337manual test cases written for one Shopify store
17Playwright spec files automating those cases
1440 / 390desktop and mobile checked on every pass
Case files

Real bugs from real client funnels.

Taken from a QA sweep of a live custom-apparel store. Each file has the steps to reproduce, expected vs actual, and the evidence a developer needs to fix it without asking a follow-up question.

Client name and branding are blurred. Screenshots are from the original QA report.

Expected
Actual
Evidence

      
Why it happens

      
Recommended fix

    

  






  

    
QA lab

    
Don't take my word for it. Run the checks.

    
Five small demos of the work, one for each part of a QA pass. Click around; nothing here can break anything real.

  


  

    
    

      
01 / 05
Funnel walk-through
Every step from the ad to the thank-you page is a place where money leaks. Run the test shopper, then tap any step to see what gets checked there.
Proves: end-to-end funnel QA

      

        

          

          
        

        

        

      

    


    
    

      
02 / 05
Figma vs live
"Looks fine" isn't a check. The live build is compared with the design file property by property: size, weight, spacing, radius, colour.
Proves: pixel-level design QA

      

        

          

          Drag the slider, or switch to Diff
        

        

          FIGMALIVE BUILD
          
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Works On My Machine Tee
$34.00 $42.00
★★★★★ 1,284 reviews
Add to cart

          

        

        
        
  • title · font-size 20 → 18px
  • title · letter-spacing 0 → 0.18px
  • card · padding 16 → 12px
  • rating · margin-top 6 → 12px
  • button · radius 12 → 4px
  • button · #141922 → #1E2A3F

      

    


    
    

      
03 / 05
Tracking playground
If an event fires twice, the client's reports show twice the sales and their ad spend goes to the wrong places. Click the shop buttons and watch the dataLayer.
Proves: GA4 / GTM tracking QA

      

        

          

          Rubber Debugging Duck$12.00 · listens to every bug
          
          
          
          
        

        

          
window.dataLayerFix applied 

          
  1. Click a button in the shop. Events appear here.

        

      

    


    
    

      
04 / 05
Device lab
A page that works in Chrome can still break in Safari or on an iPhone. Every pass runs the browser and device matrix.
Proves: cross-browser and real-device coverage

      

        
6 environments · not run yet

        

        

      

    


    
    

      
05 / 05
AI + Playwright onboarding
When a new client comes on board, an AI-assisted Playwright pipeline crawls their site, maps the funnel, writes the first test cases and runs them on every browser. The first bug list is ready the same day, so manual time goes to the edge cases.
Proves: AI-assisted test automation

      

        

          
Pipeline clock00:00:00example run · sped up so you can watch

          
Same first pass by hand~2 working dayscrawl, map, write cases, test, report

          
        

        
    
        
    $ waiting for a new client…
    
      
    
    
    
  
    

    



    
  
    
    
    
      Bug of the day
      
    Find the bug.
    
      
    One screen, one bug. Tap what's wrong. A new one every day; come back tomorrow to keep your streak.
    
      
    –your time
    –Tasbita's time
    0day streak
    
      
    The timer starts when the screen is in view.
    
      
    
    
    
    
  
    

    



    
  
    
    
    About
    
    
    The person behind the bug reports.
    
  
    
  
    
    
    
      
    Tasbita Islam
    Tasbita IslamQA Lead · Dhaka, Bangladesh · remote (UTC+6)
    
      
    I test the way real customers behave: the confused one, the impatient one, and the one who taps everything twice. If a checkout can break, I want to be the one who finds out first.
    
      
    From 2023 to 2026 I led QA at an international CRO agency. Every A/B test, landing page and funnel step went through me before it reached real customers: checked against the Figma spec, on real devices, with tracking verified.
    
      
    I write bug reports a developer can fix without asking me anything, and I re-test every fix before it ships.
    
      
    Download CV (PDF)LinkedIn ↗File a bug with me →
    
    
    
    
    
      
    QA Tester · KORI2026 – present · business software (CRM/ERP), Dhaka
    Testing every release of a CRM/ERP: sales, stock, accounts, HR and reports, on desktop and mobile. Regression runs after each update.
    
      
    QA Lead · Conversion Rate ProsJan 2023 – Sep 2026 · CRO & experimentation agency, remote
    Led the QA process and team. Funnel, checkout and A/B test QA in Convert and Adobe Target; test cases in Testmo; Playwright automation.
    
      
    Languagesremote work with international teams
    Bangla (native), English (professional).
    
    
    
    
    
      
    Toolkit
    
      
    PlaywrightBrowserStackChrome DevToolsTestmoFigmaGA4 / GTMLighthouseaxe DevToolsConvertAdobe TargetShopifyClickUpSlackAmazon S3
    
    
    
  
    

    



    
  
    
    
    Contact
    
    
    Got a project? File it like a bug.
    
    
    Fill this in and it opens a ready-to-send email. Or reach me directly.
    
  
    
  
    
    
    
      
    ● NEW ISSUE · QA-0001
    
      
    
      
    
        
    
        
    
      
    
      
    
        
    
          
          
          
        
    
      
    
      
    
      
    
    
    
    
    
      
    Reach me directly
    
      
    Open to remote QA roles and freelance QA projects. Based in Dhaka (UTC+6), working remotely.
    
      
    Emailtasbitaislam4230@gmail.com
    
      
    Phone / WhatsApp+880 1784 628649
    WhatsApp →
    
      
    LinkedInin/tasbita-islam
    Open →
    
      
    CVTasbita-Islam-QA-CV.pdf
    Download →
    
    
    
  
    

    




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