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Mykhailo Holdin CORE STACK

Full-Stack Developer Vue 3 Nuxt 3 Node.js Strapi

■ Ukraine, Ivano-Frankivsk | ■ [открыть контакты](см. выше в блоке «контактная информация») Telegram
■ [открыть контакты](см. выше в блоке «контактная информация») PHP/WP N8N AI/LLM API

■ [открыть контакты](см. выше в блоке «контактная информация»)
■ t.me/misha_holdin | ■ github.com/MishaHoldin

■ ABOUT ME
Full-Stack Developer with 4+ years of commercial experience, specializing in Vue 3 / Nuxt 3 / Node.js ecosystems. I
build scalable CRM systems, marketplaces, and automation pipelines — from clean frontend UIs to complex backend
integrations with third-party APIs. Passionate about AI-powered automation, Telegram bots, and N8N workflows that
eliminate manual work and supercharge team performance.

■ EXPERIENCE

Full-Stack Developer
Unicore Group
October 2023 — May 2026 · Ivano-Frankivsk, Ukraine (On-site)
Leading full-stack development of production-grade products serving real business operations across e-commerce, CRM,
and affiliate domains. Sole developer on flagship CRM; collaborated with a cross-functional team on marketplace product.

■ KEY PROJECTS

CRM System for Call Center Nuxt 3 · Vue 3 · Node.js · Strapi · GraphQL · Nova Poshta API · Unitalk ·
TurboSMS · Cargus
End-to-end CRM platform purpose-built to boost sales team performance and call center efficiency. Sole
developer — designed architecture, built backend, and delivered all UI from scratch.
› Automated outbound calling with Unitalk integration — managers launch calls in one click
› Real-time working-time tracking and attendance monitoring for each sales rep
› KPI dashboard with live metrics: calls made, deals closed, monthly targets & progress
› Lightning-fast order creation linked to Nova Poshta delivery — saves ~3 min per order
› Launched across multiple GEOs; headless CMS via Strapi + GraphQL API

GetStyle — Fashion Marketplace Nuxt 3 · Vue 3 · Strapi · Node.js · Nova Poshta · Online Payments
Innovative fashion marketplace where AI-assisted stylists curate personalized looks based on customer
body parameters and style preferences. Collaborative project with 3 developers.
› Smart style-matching engine: users fill a body-parameter questionnaire, stylists suggest outfits
› Full e-commerce flow: product catalog, cart, checkout, Nova Poshta shipping integration
› Stylist service marketplace — book a personal styling session and purchase curated images
› Secure online payment gateway; lifecycle management on Node.js backend
› IT unit tests written for critical flows to ensure reliability
Grooming Salon Booking iFrame Widget JavaScript · GTM · Facebook Pixel · Altegio API
Embeddable multi-step booking widget for a pet grooming salon, fully integrated with Altegio scheduling
API. Complete analytics setup ensuring 100% accurate ad attribution.
› Multi-step form: service → master → date/time — clean UX with zero page reloads
› Google Tag Manager & Facebook Pixel configured with all custom events (ViewContent,
InitiateCheckout, Purchase)
› Pixel parameters passed correctly at every funnel step for ROAS-optimized ad campaigns

AI Chatter Assistant — TG/WhatsApp Web App Node.js · Telethon · WWEBJS · LLM Integration
· Vue 3
Web application that emulates personal Telegram & WhatsApp accounts for semi-automated chat
management. Designed for chaters who need speed without losing the human touch.
› Account emulation via Telethon (TG) and WWEBJS (WA) — no bots, real account sessions
› Smart message monitoring with customizable filters (keywords, senders, chat types)
› LLM-powered reply suggestions: AI reads context and offers 3 response variants per conversation
› Pre-saved message templates that auto-match conversation filters for instant sending

BarvyArt Foundation Website Nuxt 3 · Vue 3 · Strapi CMS · i18n
Modern multilingual website for an art foundation, featuring artist profiles, exhibitions, news feed, and a
contact form — all managed through a no-code CMS.
› Full multilingual support (i18n) with dynamic locale switching
› Strapi headless CMS: editors update content without touching code
› Artists, exhibitions, news modules with clean, accessible design

SOL Crypto Notifier Bot Node.js · Solana Blockchain API · AI · Telegram Bot API
AI-powered Telegram bot monitoring Solana DEX markets in real time. Sends buy/sell signals based on
on-chain data analysis and executes auto-exits on trigger conditions.
› Continuous blockchain monitoring with configurable strategy parameters
› AI signal analysis: entry/exit recommendations based on price action & volume
› Full Telegram bot UI with inline buttons — start, stop, configure from mobile
› Auto-exit triggers to lock profits or cut losses without manual intervention

N8N Automation Suite — Affiliate Marketing Platform N8N · Telegram API · Notion · Scaleo
API · Google Sheets · AI/LLM
15+ interconnected automation workflows covering the full operational stack of an affiliate network: manager
KPI tracking, request pipelines, traffic analytics, and AI content tools.
› Manager KPI system: real-time message counters, response-time tracking, SLA alerting for 2 teams
› Notion ↔ N8N webhook hub: auto-routes status changes to affiliate & BizDev pipelines
› Scaleo ETL: daily data sync from Scaleo API → Google Sheets, eliminating manual exports
› AI Resume Parser (CV_Winex): extracts candidate data from PDFs → structured Google Sheets
› SMM Video AI: Gemini analyzes video → generates PL titles/hashtags → FB publish queue
› Cap monitor bot: real-time offer cap alerts via Telegram before traffic is lost
› RAG Knowledge Assistant: multimodal AI bot supporting PDF, audio, images, JSON, XLSX
 WordPress Projects (Custom Themes) PHP · WordPress · Custom Theme Development · ACF
Multiple corporate websites built with fully custom WordPress themes — no page builders, clean semantic
HTML, and ACF-powered content management.
› sos-sgo.info — Charity foundation site: blog, news, donation flow, multilingual
› atispharma — Pharmaceutical company showcase with services & contact sections
› Nova Dacia — Large-scale business site: portfolio, catalog, services, quiz/calculator blocks
› nanolacke-eilenburg.de — B2B industrial company; DE/EN multilingual, product & career pages
› Albatros Miami — Carsharing promo landing page with corporate & legal pages

■ TECHNICAL SKILLS

Frontend: ● Vue 3 ● Nuxt 3 ● React ● JavaScript (ES6+) ● HTML5 / CSS3 ● Sass/SCSS ● Responsive Design

Backend: ● Node.js ● Strapi (Headless CMS) ● GraphQL ● REST API ● PHP / WordPress

Databases & APIs: ● MySQL ● Nova Poshta API ● Unitalk ● TurboSMS ● Scaleo API ● Winex API ● Altegio API

AI & Automation: ● N8N Workflows ● LLM Integration ● Gemini AI ● RAG Architecture ● Telethon ● WWEBJS

DevOps & Tools: ● Git / GitHub ● GTM ● Facebook Pixel ● Telegram Bot API ● Notion API ● Google Sheets API

■ EDUCATION & CERTIFICATIONS

■ University of King Danylo Bachelor of Laws Sep 2021 — Jun 2023

■ SoftServe Academy HTML / CSS / JavaScript Jan 2022 — Feb 2022

■ SoftServe Academy React Online Marathon Oct 2022 — Dec 2022

■ LANGUAGES

Ukrainian English
Native B1+