Software Engineer
S N M Rayhan
CSE (UIU) · Digital Marketing Expert
S N M Rayhan is a Software Engineer at HaorGrix, working as a full-stack developer and growth technology specialist who bridges software engineering with marketing analytics. He builds scalable web applications, RESTful APIs, AI-powered automation, and SaaS solutions using JavaScript, TypeScript, Python, React.js, Next.js, Node.js, and PostgreSQL, alongside server-side conversion tracking with Meta Pixel, Conversion API, GA4, and GTM. He is completing a B.Sc. in Computer Science and Engineering at United International University (expected May 2026). His published research, "Multi-Level Ensemble Learning for Fine-Grained Classification of Traditional Bangladeshi Dress Using Deep Transfer Models," appeared at IEEE EICT 2025.
Experience
Project-Based Intern (Practical Project Phase)
Jun 2025 – Sep 2025Creative IT Institute
- —Built a cross-platform content strategy for Facebook, Instagram, and LinkedIn that grew simulated engagement by 25% over four months
- —Designed multi-step email campaigns with A/B testing on subject lines and CTAs, achieving a 28% engagement lift
- —Created automated lead-nurturing sequences using Messenger chatbots to improve response time and lead qualification
Digital Marketing Trainee (Academic Project)
Feb 2025 – May 2025Creative IT Institute
- —Managed a simulated $5k monthly budget across Meta and Google Ads, applying CRO to achieve an 18% lift in conversions
- —Implemented Facebook Pixel, Conversion API, and Google Tag Manager for end-to-end conversion tracking
- —Ran a Technical SEO audit with SEMrush/Ahrefs, identifying 30+ structural issues and recommending fixes
Publications & Research
- ◦Multi-Level Ensemble Learning for Fine-Grained Classification of Traditional Bangladeshi Dress Using Deep Transfer Models — IEEE 7th International Conference on Electrical Information and Communication Technology (EICT) 2025