From concept to full ecosystem. Solo built: Barande.
The mobile P2P crowdshipping platform for express deliveries between Germany and Iran – 100% solo-engineered from system architecture to native app.
Capabilities Bento Grid
Clean modular blocks housing detailed expertise ranges. Hover, interact, and explore specific technology focus points.
Frontend Core
I architect lightning-fast client interfaces with perfect layouts. Utilizing TypeScript and Next.js, my builds maintain 100/100 performance scores and seamless reactivity.
Mobile App Dev
Cross-platform React Native engineering with Expo. Delivering ultra-smooth 60fps Native interactions, biometric safety, and background sync.
Escrow Locked
$140 locked in secure vault
Backend & Cloud
Highly secure Postgres architectures with Supabase. Building low-latency REST/GraphQL APIs, Realtime web sockets, and optimized caching flows.
Tools & Workflow
Bridging UI design directly into pixel-perfect production code. Advanced setup using Figma for components, Cursor AI for speed, and structured SEO schema integrations that rank on Google's top spots.
Decoding Visual Engine · 0%
Barande – Scrollytelling Case Study
A scroll driven canvas engine mapping scroll velocity to video playback. Scroll to view the component by component architecture breakdown.

Featured Case Studies
A selection of web and mobile applications focused on performance, accessibility, and clean architecture.
Barande – P2P Crowdshipping & Luggage Marketplace
A full-scale mobile peer-to-peer crowdshipping marketplace connecting international travelers with senders between Germany and Iran. Travelers monetize unused luggage allowances per kg, while senders receive same-day/next-day express delivery for important documents and packages at a fraction of commercial courier rates. Architected with end-to-end security: AI-driven biometric KYC, a 100% escrow vault, pre-flight visual inspections, and a 4-digit PIN delivery handshake.
100% Escrow Vault
Zero upfront risk. Payments held in secure vaults until recipient confirms delivery.
4-Digit PIN Handshake
Cryptographic token with 5-attempt brute-force protection for in-person handover.
AI Biometric KYC
OpenAI GPT-4o Vision matches ID/passport with live selfie for verified badges.
Digital Customs Manifest
Tamper-proof BRD-2026-XXXXXX airport travel document & automated § 10 UStG PDF invoicing.
Sheen Berlin Premium Beauty Studio Platform
A custom web platform for a premium beauty salon. Built using Next.js Server Components to optimize image preloading and asset delivery, achieving a 100/100 performance score on Google Lighthouse. Structured schema integration provides search engines with clean metadata for organic indexing.
Image Fetch Prioritization
Critical layout images preload natively, resolving slow largest-contentful-paint (LCP) delays.
Page 1 Rank SEO
Automatic micro-formatting schemas feed search engines contextual structures flawlessly.
YouTube Date Filter – Chrome Extension (Manifest V3)
A production-grade Chrome Extension (Manifest V3) that brings custom date range filtering to YouTube channels—a feature long missing from the platform. Engineered with native dark-mode chip injection ('📅 Nach Datum filtern'), robust SPA navigation handling via MutationObserver, multi-layer channel ID extraction, instant 1-click Excel/CSV data export, view-count metrics, and a turnkey freemium monetization system integrated with Stripe.
Native UI & SPA Integration
Seamless chip injection into YouTube channel tabs with debounced MutationObserver handling dynamic SPA route transitions.
1-Click Excel / CSV Export
Generates formatted spreadsheet downloads with UTF-8 BOM, video titles, dates, durations, and view counts.
Advanced Sorting Engine
Sorts channel video archives by total view count, newest, oldest, or alphabetically in milliseconds.
Freemium & Stripe Paywall
ExtensionPay monetization architecture with IP-based free daily search quotas, blurred teaser cards, and recurring Stripe subscriptions.

Didarz (دیدارز) – Live Currency & Toman Converter (Manifest V3)
A modern Chrome Extension (Manifest V3) that solves a critical problem for Iranian e-commerce shoppers: traditional converters rely on theoretical central bank rates that are completely detached from real life. Didarz delivers real-time free-market exchange rates (Bazar-e Azad / نرخ بازار آزاد) through a resilient multi-provider failover engine. Engineered with WXT, Shadow DOM isolation, native parsing of Persian numerals and linguistic multipliers (thousand, million, billion), 1-click clipboard copy, and an interactive popup calculator.
Free-Market Rate Engine (Bazar-e Azad)
Multi-provider failover across Nobitex, TetherLand, Wallex, and Ramzinex with local caching for real-world street exchange rates.
Instant Selection Floating Pill
Highlighting any price on international stores (e.g. Amazon, eBay) summons a sleek glassmorphic pill with 1-click copy.
Native Persian Numerals & Linguistic Parsing
Parses Eastern Arabic numerals (۰-۹) and multipliers (هزار, میلیون, میلیارد) with automated Rial-to-Toman normalization.
Shadow DOM & Zero-Leak Isolation
Built with WXT createShadowRootUi and scoped Tailwind CSS, ensuring 100% zero style conflicts with any host website.

Behind the Code
My journey with the web began back in the year 2000 with professional, formal training in HTML and CSS. Building upon this solid foundation, I launched my first web projects. Over the years, that early fascination evolved into a deep passion: through continuous learning, rigorous practice, and advanced deep dives, I relentlessly honed my craft and today master modern high-end technologies like TypeScript, React, and Next.js.
Samsoun Behaein
CREATIVE TECHNOLOGIST
To me, software engineering feels like magic. There’s nothing better than staring at a completely blank screen and conjuring a living, breathing product out of a single idea. I believe everything matters: from pixel-perfect interfaces and fluid user experiences to robust backend architectures—every single detail needs to be flawless.
My proudest achievement to date is 'Barande'—a highly complex full-stack application that pushes the boundaries of my technical capabilities. I am constantly looking to connect with teams managing large-scale projects who need someone with my drive and skillset. If you are looking for someone who doesn’t just write code, but lives it—let’s build something incredible.
The Engineering Process
A transparent, predictable, and robust development roadmap ensuring secure delivery milestones.
Discovery & UI/UX Design
Laying solid groundworks by converting abstract ideas into interactive layouts and highly tailored wireframes. Designing the brand's aesthetic language, choosing harmonies, and building responsive structures in Figma.
- Interactive high-fidelity prototypes
- Harmonious custom color palette creation
- Mobile-first responsive wireframing
- User flow maps & accessibility checklist
Agile Engineering
Translating pixel-perfect wireframes into clean, standard-compliant, modular React and React Native code. Developing secure APIs, escrow workflows, databases, and biometric native layers inside modern execution systems.
- Modular Next.js / TypeScript codebases
- React Native & Expo cross-platform apps
- Supabase schemas & secure row-level rules
- Fully covered type-safety structures
Optimization & Launch
Tuning components for extreme performance, loading priorities, and semantic compliance to secure a flawless 100/100 Lighthouse audit. Deploying onto Netlify with custom domain routes, automated sitemaps, and SSL configs.
- 100/100 Lighthouse performance audit
- JSON-LD structured Google Schema markup
- Advanced client preloading & server caching
- Netlify production deployments & forms
Launch Your Product
Have a project in mind? Share your goals, timelines, or specifications below, and let's discuss how to build it.

