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Work experience

Node.js-розробник

from 11.2025 to now (10 months)
Lumitech, Дистанційно (IT)

AI Document Intelligence Platform (NDA) - enterprise platform applying AI for complex documents parsing.
- Architected a multi-stage backend pipeline for long-running AI jobs with real-time SSE progress and cancellation.
- Created the document-processing flow combining layout extraction with vector search and an LLM, engineering it to reliably handle documents 500+ pages long.
- Deployed the infrastructure as code with Terraform, consolidating services under a single GCP account to minimize cross-service overhead and keep the setup lean and cost-efficient.


Fleet Management Platform (NDA) - enterprise system for managing fleet & compliance data.
- Maintained a large legacy backend, taking full responsibility for production stability while shipping new features into a 250+ migration-deep database.
- Replaced Prisma ORM calls with hand-optimized raw SQL for complex calculations, cutting query complexity.
- Authored and executed 100+ zero-downtime production schema migrations using an expand-backfill-contract strategy, safely evolving core domain tables without service interruption.


Recruitment ERP Platform (NDA) - B2B SaaS for job pipelines.
- Designed and built a two-layer RBAC system from the ground up, combining platform-wide and per-organization roles via a declarative permission model and composable route guards.
- Built a secure multi-tenant onboarding system for inviting and provisioning users into company workspaces with role-based access.
- Designed a weighted, multi-criteria candidate-to-job matching algorithm and an async background recalculation pipeline, turning expensive on-demand scoring into instant, pre-sorted reads.

Node.js-розробник

from 12.2024 to 11.2025 (1 year)
ElifTech, Дистанційно (IT)

Financial AI Chat - conversational AI assistant providing financial data insights.
- Designed an agentic conversation pipeline with LangChain and LangGraph, orchestrating multi-step retrieval and reasoning over financial data sources.
- Developed WebSocket API for real-time response handling, reducing latency by 30%.
- Optimized data retrieval with efficient Node.js I/O handling, cutting processing time and token usage by ~50%.

Engagement Service - automated social media engagement pipeline.
- Developed a system for scalable social media interactions via OpenAI LLMs.
- Built and maintained development infrastructure with GitHub Actions CI/CD and AWS services, reducing deployment time and streamlining workflows.

Node.js-розробник

from 10.2022 to 09.2024 (2 years)
Affnetix, Дистанційно (IT)

Fin Tracker - application for tracking and managing financial budgets.
- Designed a dynamic, normalized database schema enforcing ACID principles, ensuring 100% accurate transaction processing and preventing data inconsistencies.
- Implemented a fully automated deployment pipeline on AWS, reducing downtime and deployment errors.

Marketing Websites - building websites for the E-commerce industry.
- Maintained company’s proprietary CMS, enabling efficient website management, SEO and dynamic content handling.
- Configured server environments, including DNS, database setup, and data migration, ensuring reliable website launches.

Education

Харківський Національний Університет Радіоелектроніки

Комп'ютерна Інженерія та Управління, Харків
Higher, from 2022 to 2026 (4 years)

Knowledge and skills

• Node.js
• Express.js
• JavaScript
• TypeScript
• HTML
• CSS
• SASS
• MySQL
• MongoDB
• PostgreSQL
• PHP
• React
• Nginx
• Gulp
• Git
• Docker
• Docker Compose
• Sequelize
• Cloudflare
• Налаштування DNS
• Handlebars
• Oracle VM VirtualBox
• WordPress
• Smarty

Language proficiencies

• Ukrainian — fluent
• English — above average