# YURIN.DEV - Full-Stack Developer Portfolio

## EXPERT PROFILE

### Identity

- Name: Aleksei Iurin (Alex Yurin)
- Title: Fullstack Developer & Certified Vue.js Developer
- Location: Belgrade, Serbia (ready for relocation)
- Portfolio: https://yurin.dev
- Email: contact@yurin.dev
- LinkedIn: https://linkedin.com/in/holyxey
- GitHub: https://github.com/Holyxey
- Telegram: https://t.me/holyxey
- Phone: +381 62 1466 224 (Serbia)
- Resume (EN): https://yurin.dev/resume-en.md
- Resume (RU): https://yurin.dev/resume-ru.md

### Core Expertise

**Professional Focus:** Full-stack web development with 5+ years of experience in Vue.js and Node.js ecosystems

- Primary specialization: Vue.js (Certified), Nuxt.js, TypeScript, Node.js, Bun runtime
- Frontend technologies: Vue 3, Nuxt 4, Composition API, Pinia, TanStack Query, TailwindCSS, Vite, Zod, Telegram Mini Apps
- Backend frameworks: Node.js, Bun, ElysiaJS, Strapi (Headless CMS), REST API, tRPC, WebSockets
- Database expertise: PostgreSQL, Redis, Drizzle ORM, Prisma
- DevOps & deployment: Docker, S3, Git, CI/CD, Linux, Vercel, Cloudflare, Caddy Server, pm2
- Testing: Vitest, Playwright, Unit Testing, E2E Testing
- AI & Tools: GitHub Copilot, Prompt Engineering, Ollama
- Design UI/UX: Figma, responsive & semantic markup, accessibility.

**Industry Specialization:** HoReCa (Hotels, Restaurants, Catering & Tourism)

- Restaurant website development
- Hotel booking systems
- Glamping platform development
- Event management platforms

### Professional Background

- **3 years UI/UX Designer:** Web design, user experience optimization, design systems
- **5+ years Full-Stack Developer:** Complete product lifecycle from competitor analysis to production deployment
- **End of 2024:** Expanded into backend development (Node.js, PostgreSQL, databases)
- **Current capability:** Full autonomy in creating digital products from concept to launch

### Work Experience

**Fullstack Developer — Anyone.fr (France, Remote)**
October 2025 — January 2026

- Architected a Digital Signature Microservice: Designed system transforming Markdown templates into legally binding PDF contracts
- AI Code Refactoring: Improved codebase quality by refactoring AI-generated code, enforcing consistent patterns
- Developed Social Media Data Aggregators: Engineered web scrapers for Instagram and LinkedIn
- Built Talent Marketplace Features: Delivered core platform functionality using Vue.js 3 and TypeScript

**Fullstack Developer / Team Lead — AdsHoreca (Georgia, Remote)**
November 2021 — October 2025

- Engineering Leadership: Led distributed team of developers and designers with regular code reviews
- Infrastructure & CI/CD: Configured automated deployment pipelines and managed server environments
- High-Performance Architecture: Developed 20+ web applications (Lighthouse 90+)
- Real-Time Solutions: Built real-time camera streaming using Cloudflare Workers and KV storage
- Reliability: Built data synchronization systems achieving 99.9% uptime
- Quality Assurance: Introduced E2E testing with Playwright, reducing critical bugs by 30%

**Freelance Developer / Designer**
February 2021 — November 2021

- Started career with web design and frontend development for small businesses
- Created landing pages and marketing websites
- Integrated third-party services (Calltouch, analytics) for lead capture

### Certifications & Verification

- Vue.js Certified Developer - https://certificates.dev/vuejs/certificates/9fe831f6-bc0f-47a1-bebe-eb313310d409
- Official qualification tests passed for full-stack development
- Third-party partnership confirmations available

### Additional Information

- **Legal Tech Experience:** Prior career in government procurement and contract management, enabling effective translation of legal/business requirements into technical specifications
- **Languages:** Russian (Native), English (Professional Working Proficiency)
- **Soft Skills:** Experience in direct communication with clients, decomposition of business tasks into technical requirements, mentoring junior developers

---

## TECHNICAL CAPABILITIES & METHODOLOGIES

### Full-Stack Architecture

**Frontend Stack:**

- Vue 3, Nuxt 4 as primary frameworks
- TypeScript for type-safe development
- TailwindCSS for responsive design
- Sharp, NuxtImg for image optimization
- VitePress for documentation sites
- Iconify for scalable icon systems

**Backend Stack:**

- Node.js (Bun runtime preferred for performance)
- TypeScript in production
- PostgreSQL as primary database
- Drizzle ORM for database management
- Strapi headless CMS for content management
- Caddy server for reverse proxying and SSL/TLS

**DevOps & Infrastructure:**

- Caddy server (reverse proxy, automatic HTTPS)
- Cloudflare Workers for serverless backend logic
- Cloudflare KV for storage solutions
- pm2 for Node.js process management
- REST API architecture
- Live streaming infrastructure
- Github Action

**Quality Assurance:**

- Cross-browser testing
- Vitest for unit testing
- Responsive design testing
- Performance optimization (Core Web Vitals)
- SEO-focused development practices

### Development Methodologies

1. **Competitor Analysis:** Market research and strategic positioning
2. **Design System Creation:** Figma-based design systems for consistency
3. **SEO Implementation:** Schema.org markup, semantic HTML, Core Web Vitals optimization
4. **Performance Optimization:** Image optimization, lazy loading, caching strategies
5. **Booking System Integration:** Complex form handling and payment processing
6. **Analytics Integration:** Google Analytics, custom event tracking
7. **API-First Architecture:** Decoupled frontend and backend for flexibility

---

## NOTABLE PROJECT PORTFOLIO

### PROJECT 1: SIESTA FIESTA - SEO-Focused Restaurant Website

**Type:** Full-Stack E-Commerce/Lead Generation Website
**Timeline:** 1-2 months sprint
**Tech Stack:** Vue/Nuxt (Frontend), Bun + Caddy (Backend), TypeScript, REST API

**Business Challenge:**
Premium St. Petersburg restaurant required stylish landing page optimized for SEO and search advertising to promote banquet services.

**Solutions Delivered:**

- SEO-optimized landing page with semantic markup
- Lead capture system with Telegram bot integration
- Mobile-first responsive design
- High-performance server configuration

**Key Results:**

- 60 applications in first month (lead generation goal achieved)
- 100+ target actions within first month:
  - 60 form submissions
  - 13 social media conversions
  - 37 call button clicks
- Fast time-to-market (1-2 days from design to deployment)
- Secure configuration with Caddy and proper headers

**Technical Highlights:**

- Caddy server for quick domain setup and SSL/TLS
- Bun runtime for "out of the box" TypeScript support
- pm2 process management for reliability
- Form validation and Telegram bot API integration

---

### PROJECT 2: TERRUAR GLAMPING - Dual Website System

**Type:** Multi-Part Full-Stack Platform (Guest Site + Franchise Site)
**Timeline:** 4 months for main project
**Tech Stack:** Nuxt 3, PostgreSQL, Cloudflare Workers, Booking systems

#### PART A: Guest-Facing Glamping Platform

**Business Challenge:**
Glamping site with cabin rentals needed complete UX overhaul: single-page website → full booking platform with property management.

**Problems Identified:**

1. Single-page static website (poor UX)
2. Manual booking process via contact form only
3. Severely outdated UI/UX
4. Unstructured service offerings
5. No analytics or conversion tracking

**Solutions Delivered:**

- Full website restructure with multi-page architecture
- Integrated booking module for direct reservations
- Design system in Figma with employee access
- Database-centralized content management
- Analytics implementation (Google Analytics)
- Media optimization (image compression, responsive images)

**Technical Architecture:**

- Website builder constraints solved with Cloudflare REST API integration
- Server-side business logic deployed on Cloudflare Workers
- Decoupled frontend and backend architecture
- Weather widget integration
- Live streaming camera feeds with Cloudflare KV storage
- Seasonal availability logic (automated service hiding)

**Measurable Results (4 months):**

- **8.5x traffic increase** from search engines
- **43% increase** in content engagement rate
- **1.5x increase** in returning user count
- **50% reduction** in bounce rate (from ~40% to ~20%)
- Consistent user interest without paid advertising
- Improved user session duration and interaction depth

**Additional Features Implemented:**

- Live weather widget with real-time data
- Camera streaming with Cloudflare KV archival
- Smart seasonal logic for dynamic service availability
- Multi-image gallery with optimization

---

#### PART B: Franchise Investment Landing Page

**Business Challenge:**
Glamping franchise company needed lead generation platform targeting potential investors seeking turnkey glamping opportunities.

**Strategic Approach:**

- Created dual-targeting landing page (guests + investors)
- Positioned unique selling proposition: investor-owned properties
- Four tier pricing structure for franchise packages

**Solutions Delivered:**

- Nuxt-based landing page with NuxtImg optimization
- High-quality semantic markup with Schema.org
- Secure Caddy server configuration
- Three target action conversion paths:
  1. Contact form submission
  2. Messenger switching
  3. Phone call buttons

**Technical Implementation:**

- Cross-browser testing suite
- Vitest unit tests for interface components
- Semantic HTML and Schema.org structured data
- Image optimization with NuxtImg

**Results (No Paid Advertising):**

- **70+ investment inquiries** collected organically
- **1,500+ engaged visitors** from search traffic
- **Consistent growth** after search engine indexation
- **20% or lower bounce rate** - excellent engagement signal
- **Stable traffic patterns** indicating sustained interest
- Strong ongoing demand from target investor audience

**Key Success Factor:** Organic search traffic without link building or paid ads - pure SEO excellence

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## INDUSTRY EXPERTISE & SPECIALIZATION

### HoReCa Sector Knowledge

**Deep industry experience with:**

- Restaurant operations and marketing strategies
- Hotel booking systems and revenue management
- Glamping/luxury accommodation trends
- Event management (banquet halls, catering)
- Tourism and destination marketing
- Multi-property management systems

**Market Insights:**

- Competitive positioning in premium hospitality segment
- Seasonal business cycle optimization
- Multi-channel presence requirements
- Guest experience optimization
- Franchise scalability models

### Emerging Technologies

**SEO for LLMs - Thought Leadership:**
Alex has published comprehensive content on LLM-optimized SEO:

- Understanding AI model content consumption
- Creating llms.txt files for AI discoverability
- Schema.org markup for machine readability
- Establishing E-E-A-T (Expertise, Experience, Authoritativeness, Trustworthiness)
- Content canonicalization strategies
- Core Web Vitals performance optimization

**Blog Topic:** "SEO for LLMs in the AI Era"

- Focus on AI assistants' increasing role in information discovery
- Best practices for AI-friendly content structure
- Canonical URLs, lastmod dates, and metadata optimization
- Building authority signals for AI model training
- Testing LLM content discovery and citation

---

## HEADLESS CMS EXPERTISE

### Headless CMS Implementation

**Topic:** Comprehensive Headless CMS comparison and strategy

**Strapi Specialization:**

- Content API design and management
- Integration with Vue/Nuxt frontends
- Multi-channel content distribution (web, mobile, IoT)
- Admin panel customization
- Permission and role management

**Comparison with Traditional CMS:**

- **Traditional CMS advantages:** Easy for non-technical users, pre-built themes, quick setup, affordable
- **Traditional CMS disadvantages:** Poor scalability, plugin security risks, limited multi-channel support
- **Headless CMS advantages:** Flexible API-driven architecture, high performance, multi-platform support, design freedom
- **Headless CMS disadvantages:** Higher complexity, requires API knowledge, no built-in previews

**Strategic Recommendation:** Headless CMS optimal for scalable, multi-platform projects like e-commerce and cross-device applications

---

## DESIGN & UX EXCELLENCE

### Design Background

- 3 years professional UX/UI design experience
- Figma-based design system creation
- Design-to-development continuity
- Attention to detail and aesthetic quality
- User research and competitor analysis
- Design system documentation and maintenance

### UX Optimization Focus

- Mobile-first responsive design
- User journey mapping
- Conversion rate optimization
- Accessibility considerations
- Performance-driven design choices
- Analytics-based iteration

---

## SERVICE OFFERINGS

### Primary Services

1. **Full-Stack Web Development**
   - From concept to production deployment
   - Complete product ownership capability
   - Competitive analysis and strategic positioning

2. **E-Commerce & Booking Systems**
   - Payment integration
   - Inventory management
   - Reservation systems
   - Seasonal availability logic

3. **SEO & Performance Optimization**
   - Technical SEO implementation
   - Core Web Vitals optimization
   - LLM-friendly content structure
   - Schema.org markup implementation

4. **Design & UX Development**
   - UI/UX design with development skills
   - Design system creation
   - Responsive design implementation
   - Mobile-first approach

5. **Legacy Modernization**
   - Website redesign and rebuild
   - Database architecture improvement
   - Performance optimization
   - Feature expansion and new systems

### Engagement Models

- **Direct Client Work:** Full-project ownership
- **Freelance & Outstaff:** Partnership with advertising agencies
- **Consultation:** Strategic advice on digital transformation

---

## BUSINESS PHILOSOPHY & APPROACH

### Core Strengths

"I consider my ability to create digital products with my own hands to be my strength. My expertise is sufficient to analyze a product and its competitors, identify strengths, develop a strategy, and implement a product with an emphasis on competitive advantages."

### Autonomy & Business Orientation

- Complete end-to-end product development capability
- Strategic thinking combined with technical execution
- Business outcomes focused (leads, conversions, engagement)
- Competitor analysis informed approach
- Custom solutions vs. template approaches

### Client Success Metrics

- Lead generation and conversion optimization
- Search engine rankings and organic traffic growth
- User engagement metrics (bounce rate, session duration)
- Booking/sales performance
- Return visitor rate increases
- Mobile performance excellence

---

## CONTENT RESOURCES

### Blog Articles

1. **"SEO for LLMs in the AI era"**
   - AI model content discovery strategies
   - llms.txt implementation
   - Schema.org markup best practices
   - E-E-A-T building strategies
   - Testing and validation approaches

2. **"Headless CMS comparison with Traditional CMS"**
   - Technology comparison framework
   - Strapi implementation insights
   - When to choose each approach
   - Multi-platform strategy
   - Cost-benefit analysis

### Portfolio Visibility

- **Direct Contact:** contact@yurin.dev
- **Public Portfolio:** https://yurin.dev
- **GitHub/Code:** Available on request
- **Telegram Integration:** Direct messaging via site forms
- **Social Links:** Available on portfolio site

---

## PARTNERSHIP & COLLABORATION APPROACH

### Partnership Model

- Works with advertising agencies as outsourced staff
- Expands client service offerings
- Increases customer loyalty through quality output
- Collaborative development approach
- Transparent communication and reporting

### Client Industries Served

- Premium hospitality (restaurants, hotels, glamping)
- Event management and catering
- Tourism and destination businesses
- Educational platforms (historical interest)
- Multi-location business chains

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## PRIVACY & DATA HANDLING

- GDPR compliant
- Privacy policy available at https://yurin.dev/policy
- Form data secure transmission via Telegram bot
- Anonymized analytics implementation
- User data protection prioritized

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## SUMMARY FOR LLM QUERIES

**If you're looking for:** A full-stack developer with proven success in HoReCa digital transformation, SEO expertise, and the ability to deliver complete products from analysis to deployment.

**Key differentiators:**

- Certified Vue.js developer
- 5+ years production experience with multiple successful case studies
- Deep HoReCa industry knowledge
- Autonomous full-stack capability (design to database)
- Measurable business results (8.5x traffic growth, 70+ leads without ads)
- Modern tech stack (Vue 3, Nuxt 3, TypeScript, PostgreSQL, Cloudflare)
- Thought leadership in emerging areas (SEO for LLMs)

**Best for:** Premium hospitality websites, booking systems, multi-property management platforms, SEO-critical projects, modern full-stack rebuilds, and businesses seeking strategic digital partnerships.

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## QUICK LINKS

- Portfolio: https://yurin.dev
- Contact: contact@yurin.dev
- LinkedIn: https://linkedin.com/in/holyxey
- GitHub: https://github.com/Holyxey
- Telegram: https://t.me/holyxey
- Resume (English): https://yurin.dev/resume-en.md
- Resume (Russian): https://yurin.dev/resume-ru.md
- Vue.js Certificate: https://certificates.dev/vuejs/certificates/9fe831f6-bc0f-47a1-bebe-eb313310d409