Ілля

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

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Profile

Full-Stack Engineer with 4+ 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, Prisma
Testing: Jest, Playwright
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
•

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.

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

Languages

English Ukrainian
Upper-Intermediate Native

Education

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

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