Андрій

Andrii Krainyk
Full Stack developer
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Ivano-Frankivsk, Ukraine Telegram Linkedin GitHub

SUMMARY

Backend-oriented Full-Stack Developer with 2+ years of commercial experience building modern web
applications and distributed systems. Strong in JavaScript and TypeScript, with a primary focus on Node.js
and NestJS.
Experienced with microservices, REST APIs, message-based communication, Redis, Docker, MongoDB, and
PostgreSQL. Solid frontend experience with React, Next.js, and Redux Toolkit, allowing me to work
confidently across the full stack. Actively use AI-assisted tools to improve productivity and problem-solving.

WORK EXPERIENCE

04/2026 – 10/2026 Forbus-Tech
Middle Backend Developer
Mastered microservices architecture, Bull and Redis

11/2024 – 04/2026 Expletech
Junior Full-Stack Developer
Mastered Nest.js, PostgreSQL, Supabase, Next.js

05/2024 – 10/2024 Worked in a small startup to create a platform for discussion (forum)
Intern Node.js developer
Mastered new technologies such as: GraphQL

EDUCATION

2023 – 2024 Fullstack Developer
IT School GoIT

2021 – 2023 Bachelor's degree in Automation and Computer Integrated Technologies
Ivano-Frankivsk National Technical University of Oil and Gas

2017 – 2021 Junior specialist Automation and Computer Integrated Technologies
Professional College of Electronic Devices Ivano-Frankivsk National Technical
University of Oil and Gas

TECH SKILLS

JavaScript TypeScript Node JS

NestJS Mongo DB PostgreSQL

Docker React Next.js
Redux CSS3

LANGUAGES

English Ukrainian
Intermediate Native

PROJECT EXPERIENCE

High-Load Real-Time Data Platform
Stack: NestJS, MongoDB/Mongoose, Redis, Bull, Socket.IO, Docker, Nginx, Swagger/OpenAPI, Jest
Built a high-load system with a microservices architecture and a separate Next.js-based administration
interface. Implemented real-time data delivery with Socket.IO, background job processing and caching with
Bull and Redis, and integrations with multiple third-party APIs. Developed NestJS APIs backed by MongoDB,
with Swagger documentation and automated tests. Set up containerized deployment with Docker Compose
and Nginx, including health checks, monitoring, and automated service recovery.
Optimized resource-intensive workflows through queues and caching, reducing database and external API
load while helping control infrastructure costs as the system scales.

Digital Asset Management Platform
Stack: Next.js, TypeScript, shadcn/ui, Supabase, tRPC, AWS (S3, Rekognition), Stripe, Dropbox API
Built a full-featured web application for storing, managing, and sharing digital assets — including images,
videos, documents, and fonts. Delivered key business value by improving asset organization, reducing
manual work, and enabling scalable collaboration across teams.
Key contributions:
• Implemented secure file uploads to AWS S3 private storage, ensuring reliable and scalable asset handling
• Automated tagging and content moderation via AWS Rekognition, significantly reducing manual content
management efforts
• Designed asset organization system with collections and 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.

SOFT SKILLS

Communicative Hardworking
Quick learning skills Team work
Strong adaptation skills