Ілля

Illia Shalahinov
Full-Stack Engineer
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Ivano-Frankivsk, Ukraine LinkedIn

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Profile

Full-Stack Engineer with 3+ years of experience building scalable web applications across
frontend and backend layers. Strong background in React, Next.js, TypeScript, and modern
frontend architecture, with hands-on experience contributing to backend development using
Express and NestJS, API integration, and end-to-end feature delivery. Focused on
performance, maintainable architecture, clean code, and practical technical decision-making
in cross-functional teams.

Technical Skills

Languages: TypeScript, JavaScript
Frontend: React, Next.js, React Native
Backend: Node.js, Express, NestJS
APIs: REST, GraphQL, Apollo Client
Databases: PostgreSQL, MongoDB, Firebase
ORM / Data Access: TypeORM
State Management: Redux, Zustand, Context API
Styling: Tailwind CSS, Material UI, Styled Components, Vanilla Extract
Tools: Git, GitHub, GitLab, Jira, ESLint, Prettier

Professional Experience

Full-stack Engineer, Layla AI Travel Agent⁠ 06/2025 – Present
Tech Stack: Next.js, TypeScript, Zustand, Tailwind CSS, Material UI, REST APIs, Express,
PostgreSQL, Firebase

Key Contributions
Contributed to architecture decisions across frontend and API integration flows for a
•

production AI-powered travel platform
Designed scalable client-side state using Zustand
•

Collaborated with backend engineers on API contracts, service integration, and business
•

logic to support trip planning, booking flows, and reliable data exchange across the
application.
Optimized performance through efficient rendering and lazy loading
•

Conducted PR reviews and participate in technical planning
•

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Project: Layla.ai⁠ – AI Trip Planner
AI-powered travel platform enabling dynamic itinerary generation, real-time customization,
and booking integration.

Full-Stack Engineer, Expletech⁠ 08/2022 – 06/2025
Tech Stack: React, React Native, Next.js, TypeScript, Redux, GraphQL, REST APIs, Tailwind
CSS, Material UI, React Router, SWR, NestJS, Express, TypeORM, PostgreSQL, Firebase,
MongoDB

Key Contributions

Delivered full-stack features across web, mobile, and admin applications using Next.js,
•

React, TypeScript, and NestJS
Designed and implemented scalable state management architectures (Redux, Context API)
•

Contributed to API design, integration, and business flow implementation for REST and
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GraphQL-based systems
Built reusable UI components and internal admin dashboards
•

Collaborated on technical standards, code reviews, and maintainable architecture across
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frontend and backend codebases

Selected Projects
Movie Theater Web Application
Cinema booking and management platform featuring dynamic seat mapping, pricing logic,
real-time synchronization, and integration of business workflows across client and server
layers.

Parcel Delivery Platform (Web + Mobile + Admin Panel)
Cross-platform logistics platform with operational dashboards, order tracking flows, and
backend-driven business logic for user and courier operations.

Educational Platform for Children
Multilingual learning platform with role-based access control, content publishing workflows,
and structured application logic across frontend and backend services.

Learning Platform with Video Courses
Scalable video course publishing and content delivery platform with secure authorization and
optimized performance.

Online Game Companion Web Application
Responsive web application enabling real-time game statistics tracking and leaderboard
visualization.

Languages

English Ukrainian
Upper-Intermediate Native

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 Education

Bachelor degree in Cybersecurity, 2020 – 2024 | Dnipro, Ukraine
National Technical University "Dnipro Polytechnic"

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