Андрій

Andrii SUMMARY

Krainyk Full-stack developer with practical experience in building
modern web applications. Skilled in JavaScript and TypeScript,
Full Stack with a strong focus on frontend development using React,
Redux Toolkit, and Next.js. Confident in backend development
developer with Node.js, Express, and NestJS, working with databases like
MongoDB and PostgreSQL, as well as ORMs such as TypeORM.
Experienced with REST APIs, version control using Git, and
working with cloud platforms like Supabase. Actively leverage
AI tools to enhance development workflow, improve
productivity, and make informed technical decisions.

WORK EXPERIENCE

Expletech
[открыть контакты](см. выше в блоке «контактная информация») Junior Full-Stack Developer
[открыть контакты](см. выше в блоке «контактная информация»)/2024 – Present
Ivano-Frankivsk, Mastered Nest.js, PostgreSQL, Supabase, Next.js
Ukraine
Worked in a small startup to create a platform for discussion
Telegram (forum)
Intern Node.js developer
Linkedin
05/2024 – 10/2024
GitHub Mastered new technologies such as: GraphQL

EDUCATION
TECH SKILLS
Fullstack Developer
React IT School GoIT
Next.js 2023 – 2024

Redux Bachelor's degree in Automation and Computer Integrated
Technologies
HTML5
Ivano-Frankivsk National Technical University of Oil and Gas
CSS3 2021 – 2023
JavaScript
Junior specialist Automation and Computer Integrated
TypeScript Technologies
Professional College of Electronic Devices Ivano-Frankivsk
Node JS National Technical University of Oil and Gas
NestJS 2017 – 2021

PostgreSQL
PROJECT EXPERIENCE
Mongo DB
Digital Asset Management Platform
Stack: Next.js, TypeScript, shadcn/ui, Supabase, tRPC, AWS (S3,
SOFT SKILLS
Rekognition), Stripe, Dropbox API
Communicative Built a full-featured web application for storing, managing, and
sharing digital assets — including images, videos, documents,
Hardworking and fonts. Delivered key business value by improving asset
Quick learning skills organization, reducing manual work, and enabling scalable
collaboration across teams.
Team work
Key contributions:
Strong adaptation skills
 LANGUAGES • Implemented secure file uploads to AWS S3 private storage,
ensuring reliable and scalable asset handling
English • Automated tagging and content moderation via AWS
Intermediate Rekognition, significantly reducing manual content
management efforts
Ukrainian • Designed asset organization system with collections and
Native sharing, improving team collaboration and external asset
distribution
• Developed interactive tools for image editing, commenting,
and user mentions, increasing user engagement and workflow
efficiency • Built role-based access control and Stripe-based
subscription system, enabling monetization and flexible user
management
• Integrated Dropbox for seamless external asset imports,
simplifying onboarding and migration process
• Applied Supabase RLS policies, RPC, and cron jobs to ensure
data security, automation, and system reliability
Deployed on Vercel with a focus on scalability, security, and
delivering a clean, efficient user experience.

Automated Content Generation System
Designed and implemented an automated content pipeline that
runs every day, generating and publishing content with
minimal manual input while ensuring relevance and
uniqueness.
Key contributions:
• Built a scheduled workflow that selects content topics using AI
APIs
• Implemented semantic similarity checks using embeddings
(vector comparison) to avoid duplicate or repetitive content
• Automated content creation, storage in CMS and database,
and publishing to the website
• Integrated social media posting with a Telegram-based
approval flow for final confirmation
• Reduced manual content management efforts and enabled
consistent, scalable content production
Focused on automation, content quality, and maintaining
uniqueness across published materials.

Flower Delivery
Stack: Node.js, Express.js, TypeScript, Prisma, PostgreSQL,
Swagger, OpenAI API
Developed the backend for an e-commerce platform with a
dedicated admin panel. Implemented OTP-based authentication
for users and email/​password authentication for admins. Built a
referral system for user acquisition, integrated MonoPay for
order payments, and connected Nova Poshta API for creating
and managing shipments directly from the admin panel.
Also implemented an AI assistant for managers using the
OpenAI API to help automate routine tasks and improve
operational efficiency.
Website for a Consulting Company
Stack: Next.js, TypeScript, i18n
Developed a corporate website for a consulting firm with
multilingual support. Implemented static page generation via
getStaticProps, fetching content from Markdown files for easy
content management. Focused on performance, SEO
optimization, and clean TypeScript architecture.