Артем

Artem Serdiuk
Shopify Developer | E-commerce, APIs & Integrations
Kropyvnytskyi, Ukraine | Remote / Office | Full-time / Freelance | [open contact info](look above in the "contact info" section) | Telegram: @Realel
GitHub: github.com/MeguMax | Upwork: upwork.com/freelancers/~014b478981bfacdaf1

ПРОФЕСІЙНИЙ ПРОФІЛЬ / PROFESSIONAL SUMMARY
Shopify Developer та Full Stack Web Developer з досвідом у custom themes, Liquid, Shopify apps, checkout, payments,
product/catalog workflows, API integrations та webhooks. Працюю з Shopify як на рівні storefront і UI, так і на рівні
серверної логіки та зовнішніх систем.
Додатково працюю з GoHighLevel, CRM, funnels та automation systems, тому можу з'єднати e-commerce storefront із
CRM, платежами, маркетингом та операційними процесами.

ДОСВІД РОБОТИ / EXPERIENCE
Freelance / Upwork - Shopify Developer | E-commerce & Integrations
Project-based work | Ongoing
- Shopify: custom themes, Liquid, responsive storefronts, apps, checkout, payments, products/catalog, APIs, webhooks та
third-party integrations.
- Реалізую e-commerce workflows, forms, lead generation, checkout flows, product data та CRM data transfer.
- Працюю з JavaScript, React, HTML5, CSS3, responsive design, UI/UX, SEO та Core Web Vitals.
- Інтегрую Shopify з CRM, платежами, booking tools, email/SMS та іншими платформами через REST API і webhooks.
- GoHighLevel: funnels, workflows, pipelines, forms та CRM UI customization через custom JavaScript/CSS.
- Upwork profile with Shopify, e-commerce and integration work: https://www.upwork.com/freelancers/~014b478981bfacdaf1

GoHighLevel Developer / CRM & Automation Engineer
YOUR R&D | Nov 2025 - Present
- Developed and implemented CRM systems on GoHighLevel for commercial projects.
- Built workflow automations with triggers, webhooks and custom lead processing logic.
- Integrated Stripe, PayPal, booking services and external CRMs via REST API and webhooks.
- Connected Twilio for SMS/calls, email automation and sales funnels; implemented lead screening, tagging and routing
scenarios.
- Created custom pipelines, dashboards, AI chatbots and client qualification systems.
- Integrated Zapier and Make (Integromat) for cross-system automation and improved the stability of automated business
processes.
- Participated in R&D processes and collaborated with developers, marketers and business analysts in a team environment.

Frontend / Full Stack Developer
FunnelJet (Remote) | May 2025 - Present
- Developed and maintained production web applications using JavaScript, React and Next.js.
- Built websites, landing pages and sales funnels on WordPress and GoHighLevel with deep customization.
- Implemented business logic for forms, payments, lead generation and CRM data transfer; integrated external services via
REST API, webhooks, Zapier and Make.
- Optimized UI/UX, performance, SEO and Core Web Vitals (LCP, TTI, CLS).
- Participated in R&D processes by testing new technologies, AI tools and product automation approaches.
- Contributed to code reviews, technical planning and sprints while collaborating with designers and marketing teams.
- Independently implemented features from technical specification to production release.

IT Engineer / Technical Support & Systems Integration
Department of Information Technologies, Kropyvnytskyi City Council | Feb 2025 - May 2025
- Supported and developed internal information systems and web solutions for city departments.
- Administered software, workstations and network infrastructure; handled incidents and updates.
- Executed technical tasks for internal process automation and systems integration.
- Worked with technical and project documentation and user technical support.
- Participated in the implementation of new digital services and modernization of IT infrastructure.

Artem Serdiuk | Full Stack Developer | Backend & Integrations 1

ПРОЄКТИ / PROJECTS
PatientNow <-> GoHighLevel Data Synchronization
Сервіс інтеграції та синхронізації даних між PatientNow і GoHighLevel з роботою через API та структуровані серверні модулі.
Tech: TypeScript, Fastify, Axios, Zod, REST API
https://github.com/MeguMax/PN---GHL
CRM System - Notifications & Mailing Automation
CRM від ліда до угоди: dashboard, clients CRUD, sales pipeline/Kanban, Slack notifications та email campaigns через
Gmail/Nodemailer.
Tech: React, TypeScript, Redux Toolkit, Node.js, Express, Slack Web API, Nodemailer
https://github.com/MeguMax/CRM-System
Wishlist App - Social Wishlist Platform
Wishlists, event groups, group contributions, reservations, real-time chat, analytics dashboard та multi-currency support.
Tech: React, TypeScript, Tailwind CSS, Supabase, PostgreSQL, Vite
https://github.com/MeguMax/wishlist-app
Adam Automation Platform - Admin Panel & Background Worker
Built an internal legal workflow automation platform with an admin panel and background worker for email/PDF intake, structured case
drafts, review and approval workflows, explicit statuses, audit history, filing jobs, retries/error handling, PDF replacement/versioning,
Plaintiff name mapping, workflow modes, and Playwright-based submission automation.
Tech: Node.js, TypeScript, Microsoft Graph API, Azure Identity, OneDrive API, Playwright, OCR/file processing, Docker
https://github.com/MeguMax/Adam-automatization

ТЕХНІЧНІ НАВИЧКИ / TECHNICAL SKILLS
Shopify & E-commerce: Shopify, Shopify themes, Liquid, Shopify apps, checkout, payments, products/catalog, storefront
customization, e-commerce workflows, responsive storefronts.
Frontend & UI: JavaScript (ES6+), React, Next.js, HTML5, CSS3, SCSS, Tailwind CSS, responsive design, UI/UX, custom
JavaScript/CSS, SEO, Core Web Vitals.
APIs & Integrations: REST API, GraphQL concepts, webhooks, Shopify APIs, Stripe, PayPal, Twilio, Calendly, Zapier, Make,
n8n, data synchronization.
Backend & Systems: Node.js, Express.js, Fastify, TypeScript, background workers, polling, retry logic, status/state management,
Docker, deployment.
CRM & Automation: GoHighLevel, HighLevel, GHL, funnels, pipelines, workflows, forms, CRM UI customization, AI chatbots,
email/SMS automation.
Admin & Workflow Systems: admin panels, dashboards, queues, review/approval workflows, validation, audit logs, filing jobs,
document workflows.
Data & Tools: MySQL, PostgreSQL, Supabase, MongoDB, Axios, Zod, Git/GitHub, Vercel, Netlify, Figma, Jira, Trello,
WordPress.
Additional: PHP, Python, GA4, Google Tag Manager, Facebook Pixel.

МОВИ / LANGUAGES
Ukrainian - Native.
English - B2.

ОСВІТА / EDUCATION
Kherson National Technical University - Bachelor's Degree, Software Engineering (121), in progress.
Kherson Polytechnic Vocational College of ONPU - Associate Degree, Software Engineering (121).

ЦІЛЬОВІ ПОЗИЦІЇ / TARGET ROLES
Shopify Developer, Shopify Theme Developer, E-commerce Developer, Shopify Integrations Developer, Full Stack Web
Developer, Integration Engineer.

Artem Serdiuk | Full Stack Developer | Backend & Integrations 2