Євгеній

Yevhenii Shlapak
Web Developer / Senior AI-Driven Engineer

Summary
Experienced Web Developer with over 7 years of hands-on expertise building high-performance,
modern user interfaces across contemporary web ecosystems. Specializes in
JavaScript/TypeScript technologies, primarily React and Next.js (App & Pages routers), with a
strong emphasis on clean component architecture, state management, and performance
optimization. Deeply integrated with AI development workflows, actively leveraging cutting-edge
AI tools, LLM APIs, and intelligent code assistants to accelerate feature delivery, automate
workflows, and engineer domain-specific AI integrations. Proven track record of leading
end-to-end frontend initiatives, global website redesigns, complex custom rendering systems,
and direct business-impact optimizations that drive measurable client conversions.

Core Skills
● Frontend Stack: JavaScript (ES6+), TypeScript, React, Next.js (App Router, Pages
Router), Redux, MobX, Zustand, React Query / TanStack Query, React Table,
WebSockets, REST API, GraphQL (Apollo), Axios
● Styling & UI Libraries: CSS3/SASS, HTML5 (Flexbox, Grid), Tailwind CSS, MUI
(Material UI), Shadcn UI, Ant Design, Bootstrap, styled-components, Swiper, Leaflet.js,
Recharts
● AI & Smart Tooling Integration: OpenAI API, Claude API, Cursor AI IDE, Copilot,
ChatGPT / Prompt Engineering, AI-assisted Code Refactoring & Architecture, Contextual
Knowledge Aggregation, agentic workflow development
● Build Tools & DevOps: Docker, Webpack, Vite, Gulp, ESLint, Prettier, npm, pnpm,
Vercel, GitHub Pages, pm2
● Integrations & Auth: Google APIs (Auth, Maps), Auth0, Stripe, Whapi API (WhatsApp
integration), Directus CMS
● Practices & Methodologies: AI-Driven Web Development, Frontend Architecture, SEO
Optimization, Web Vitals Performance Tuning, Code Review, Pair Programming, Agile
(Scrum, Kanban)
● Environment & Tools: Git, GitHub, GitLab, Jira, Confluence, Trello, Figma, Slack, Linux,
Windows

Featured Experience
DrSam Medical Clinic (Apr 2025 – Present)
Role: Lead Web Developer & Technical Project Lead
Description: Executed a complete global redesign and core frontend transformation for the
DrSam Medical Clinic platform. Solved critical performance and optimization bottlenecks,
overhauled user pathways, and conducted comprehensive technical and structural SEO

optimizations. Handled direct client requirement analysis, task delegation to developers, and
delivery tracking. Designed and built a dynamic block-based content builder that revolutionized
the site management process, enabling rich, flexible, and high-quality content delivery. This
overhaul directly resulted in a significant surge in patient inquiries, appointment requests, and
online orders through the site.
Technologies: React, Next.js, Nest.js, TypeScript, Tailwind CSS, Performance & SEO Tooling,
AI-assisted development tools.
Completed Tasks:
Architected and implemented a total UX/UI redesign, modernizing the clinic's digital
presence and optimizing patient booking funnels.

● Engineered a dynamic block-based page constructor system, fundamentally
revolutionizing the content creation process and elevating content quality through
versatile layout and presentation options.
● Processed client business requirements, translating them into structured developer
tasks, while conducting thorough quality control and post-implementation work analysis.
● Diagnosed and eliminated critical performance issues, dramatically improving Core
Web Vitals, page load speed, and mobile responsiveness.
● Executed an end-to-end technical SEO strategy (structured data, dynamic sitemaps,
semantic HTML, metadata management, and server-side rendering optimizations) to
drastically improve organic search rankings.
● Leveraged AI coding assistants (Cursor, custom prompts) to rapidly prototype UI
components, automate refactoring, and accelerate bug resolution.
● Directly contributed to business growth by converting site traffic into verifiable patient
appointments and online requests through streamlined call-to-action flows.

Dr.Wally (Sep 2024 – Mar 2025)
Role: Frontend Developer
Description: A platform for configuring and deploying support-oriented WhatsApp bots enriched
with contextual information extracted from user-provided sources. Enables automated website
crawling, content aggregation, and multi-format document ingestion (PDFs, text files, DB
exports) to power structured AI conversational responses. Implemented plan-based validation
logic, context size controls, and seamless WhatsApp QR authentication via Whapi API.
Technologies: JavaScript, React, Next.js, TypeScript, TanStack Query, SASS, Redux, React
Hook Form + Zod, OpenAI API integration patterns.
Completed Tasks:
● Engineered file-processing workflows allowing users to upload supplemental context
documents for AI bot training and response generation.
● Built plan-based validation and quota-management logic controlling context length, page
ingestion limits, and resource usage per account.
● Implemented WhatsApp account onboarding using QR-code authentication and Whapi
APIs for secure bot connectivity.
● Created user-facing dashboards for bot setup, context monitoring, data validation, and
integration management.
● Established resilient error-handling, logging, and fallback mechanisms during parsing,
ingestion, and messaging operations.

PixelAID (Mar 2023 – Aug 2024)
Role: Frontend Engineer
Description: An interactive high-resolution map of Ukraine developed for a fundraising
platform, enabling donors to unlock map segments. Designed a custom tile-rendering system
capable of handling an interactive grid exceeding 100,000 cells with dynamic zoom levels,
low-latency hover effects, and real-time backend synchronization.
Technologies: JavaScript, React, Next.js, TypeScript, TanStack Query, SASS, Redux.
Completed Tasks:
● Designed and implemented a bespoke map interaction module supporting zoom, pan,
multi-cell selection, and fragment visualization without standard mapping libraries.
● Built a segment-based (tile) rendering system with dynamic asset loading tied to zoom
level to efficiently render massive graphical datasets.
● Engineered an interactive grid of 100,000+ cells with optimized hover handling and
real-time backend data retrieval.
● Applied advanced performance optimizations including aggressive memoization, event
batching, and render-cycle tuning.

GieAmplius (Sep 2022 – Nov 2022)
Role: Frontend Developer
Description: French mono-backend, multi-frontend platform leveraging Directus CMS.
Designed dynamic page-structure features that allowed multiple independent brand frontends to
consume layout and content hierarchy seamlessly from a single backend.
Technologies: React, TypeScript, SASS, Next.js, GraphQL (Apollo).

Multi-Role CRM Platform (Jun 2022 – Aug 2022)
Role: Lead Frontend Developer & Architect
Description: Independently architected and implemented a multi-role CRM platform for client
management, automated validation, dynamic record merging, CSV/DB import tools, role-based
dashboards, and automated salary/performance calculations.
Technologies: React, Axios, React Charts, REST APIs.

Smarti (Aug 2020 – Jun 2022)
Role: Frontend Developer
Description: Frontend development for a next-generation website builder platform. Created
customizable components, dynamic editor sections, and reusable UI patterns while optimizing
performance and reducing technical debt.
Technologies: HTML5, SASS, Jade, JavaScript, jQuery.

Education
Master's Degree in Computer Science
Petro Mohyla Black Sea National University, Mykolaiv