SJ Sepehr Jafari

Freelance • Web & Product

Premium websites that earn trust and convert.

I build fast, modern, responsive experiences with clean UI, great performance, and business-first structure.

48h
Typical first draft
A+
Performance mindset
Mobile
First & responsive
<
Persian

درود! من سپهر جعفری هستم؛ طراح و توسعه‌دهنده وب و iOS با تمرکز روی ساخت تجربه‌های سریع، مدرن و قابل اعتماد. برای شروع همکاری و دریافت پروژه، از بخش Contact پیام بدهید.

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Selected work

Concept case studies designed to showcase capability and craftsmanship.

Case study Landing + SEO

Atlas Dental — Booking-first landing

A conversion-focused landing page for a clinic: clear CTAs, trust blocks, speed optimization, and local SEO structure.

  • HTML/CSS/JS
  • Performance
  • SEO
Case study Web App UI

Pulse CRM — Dashboard UI

A clean admin dashboard UI with responsive tables/cards, accessible components, and scalable design tokens.

  • UI Engineering
  • Responsive
  • A11y
Case study Brand Site

Noir Studio — Premium portfolio

A dark-premium brand site with elegant typography, smooth motion, and a refined visual hierarchy.

  • Design
  • Animation
  • Brand
Note: These are concept case studies (not client claims). Real client work can be shared privately on request.

Services

High-signal deliverables that help you win customers.

Premium landing pages

Conversion-first layout, trust blocks, and strong CTA flow.

Business websites

Modern multi-section sites with brand polish and clear structure.

UI implementation

Clean, responsive UI build from Figma with accessibility in mind.

Performance & SEO basics

Fast load, semantic HTML, and essential metadata setup.

My team / network

When a project needs extra hands (design, copy, or backend), I collaborate with a small trusted network.

UI/UX Partner
Copywriter
Backend Support

Skills

A focused stack built for real-world delivery.

HTMLAdvanced
CSS (Modern)Advanced
JavaScriptStrong
PythonStrong
Swift / iOSGrowing
SEO & PerformancePractical

Process

Clear steps, predictable delivery.

  1. Discovery

    Goals, audience, offer, references, and sitemap.

  2. Design direction

    Typography + spacing + component style (dark/light).

  3. Build

    Responsive implementation, motion, performance, QA.

  4. Launch

    Final checks, SEO basics, and handover.

Contact

Fastest response: WhatsApp / Telegram.

Let’s build something premium

Message me with: your business type, required pages, and any reference sites you like.

Phone: +98 939 999 6323
Email: info@sepehrdev.com
Location: Tehran, Iran (Remote-friendly)

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