Glib – Next.js, AWS, React, experts in Lemon.io

Glib

From Ukraine (UTC+3)flag

Full-stack Web Developer|Strong senior

Glib – Next.js, AWS, React

Glib is a Strong senior full-stack engineer with deep expertise in React, Node.js, Next.js, TypeScript, and AWS. He has delivered AI-powered SaaS products, architected distributed systems, and integrated LLM features into production environments. Candidate is also in the process of completing a PhD in Artificial Intelligence Systems. Vetting results from Lemon.io suggest that his strengths are in backend architecture, frontend optimization, and clear stakeholder communication!

8 years of commercial experience
Main technologies
Next.js
1 year
AWS
4 years
React
6 years
Node.js
5.5 years
Typescript
2 years
Additional skills
Playwright
Docker
Nest.js
PostgreSQL
Express.js
MongoDB
React Native
LangChain
CI/CD
Claude Code
NoSQL
Direct hire
Possible
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Experience Highlights

Lead Full-Stack AI Engineer
Dec 2025 - Ongoing9 months
Project Overview

An agentic AI platform for enterprise partnership teams built on a proprietary partnership graph covering 10,000+ companies.

Responsibilities:
  • Led engineering on an AI-powered partnership-discovery platform for enterprise partnership teams.
  • Built the partner discovery and qualification surface that ranked candidate partners by impact and effort with explainable scoring.
  • Designed and built an Anthropic Claude tool-use agent streamed to the browser that queried the internal company graph, ran live web research, and assembled qualification briefs.
  • Owned the full stack across a Next.js / React / Typescript frontend, a Nest.js API on PostgreSQL with TypeORM, and two Python FastAPI services for enrichment and scoring.
  • Deployed services with Docker on AWS ECS and used Playwright end-to-end tests as merge gates.
  • Worked directly with product and design to turn ambiguous workflows into scoped interface states and reviewed pull requests across the team.
Project Tech stack:
Anthropic
Next.js
React
Typescript
Nest.js
PostgreSQL
TypeORM
Python
FastAPI
Docker
AWS
Amazon ECS
Playwright
Tailwind CSS
Zustand
Auth0
Software Engineer, Data Acquisition & Automation
Aug 2025 - Aug 20261 year
Project Overview

A US public-records and background-screening platform with automated data-acquisition agents.

Responsibilities:
  • Built and maintained automated data-acquisition agents for a public-records and background-screening platform across 28 jurisdictions in 12 states.
  • Implemented one Playwright browser-automation scraper and one Python parser per source against per-source mapping specifications.
  • Introduced LLM-based extraction for inconsistent HTML sources with JSON-Schema-constrained model extraction, rule-based fallbacks, and validation to suppress hallucinated legal citations.
  • Rebuilt a statewide agent after a portal moved to a React single-page application, including reCAPTCHA v2 automation, DOM polling, readiness checks, and a Chrome DevTools Protocol screenshot path.
  • Diagnosed and fixed silent data-loss defects across the agent fleet, including false no-results, pagination truncation, and empty lazy-loaded tabs.
  • Authored scraper, parser, QA, and compliance standards and peer-reviewed teammates’ agents against those checklists.
Project Tech stack:
Playwright
Python
LLM
Full-Stack AI Engineer
Dec 2025 - Mar 20262 months
Project Overview

A B2B FMCG supply chain SaaS that automated supplier product-data extraction and retailer onboarding.

Responsibilities:
  • Built the AI extraction pipeline behind the platform’s retailer onboarding workflow and shipped it during the first commercial deployments.
  • Developed a multi-phase Azure OpenAI extraction pipeline in a Python worker service that converted supplier files into structured product data.
  • Added a rule-based enrichment layer and an accuracy-evaluation harness measuring field-level extraction quality against ground truth.
  • Delivered the Next.js / React frontend with real-time WebSocket progress and a Node.js / Nest.js backend on PostgreSQL with TypeORM, Redis-backed job queues, and Stripe billing.
  • Packaged and deployed services to Azure Container Apps with Docker and Terraform.
  • Agreed on extraction-accuracy targets and failure-mode handling with product and iterated with design on partial and low-confidence extraction UX.
  • Reviewed teammates’ pull requests across all three services.
Project Tech stack:
Microsoft Azure
OpenAI
Python
Next.js
React
Node.js
Nest.js
PostgreSQL
Redis
Stripe API
Docker
Terraform
Typescript
TypeORM
WebSocket
Full-Stack Mobile Engineer
Sep 2024 - Dec 20251 year 3 months
Project Overview

Contract engagement developing the company's connected fitness application, combining React Native, Unity, and real-time hardware inputs.

Responsibilities:
  • Embedded Unity modules into the mobile application and connected them to Bluetooth and gyroscope sensor data.
  • Implemented dynamic difficulty adjustment based on measured user performance.
  • Developed Node.js and Firebase backend functionality for authentication, analytics, and leaderboards.
Project Tech stack:
React Native
Unity
Bluetooth
Node.js
Firebase
Full-Stack AI Engineer
Jun 2025 - Dec 20256 months
Project Overview

An AI video-generation SaaS that turned a written brief into a ready-to-post video in a single browser session.

Responsibilities:
  • Built an AI video-generation SaaS end-to-end across editor, backend, AI integrations, and billing.
  • Developed an AI agent that edited a user’s project by operating the application’s own interface.
  • Engineered an in-browser video editor in React with Redux Toolkit and MobX using a Fabric.js and Pixi.js canvas with ffmpeg rendering.
  • Built a Node.js / Express backend on MongoDB with Socket.io for real-time state.
  • Orchestrated multiple external model providers behind one interface.
  • Shipped the product to revenue with subscription billing across three paid tiers and authentication.
  • Iterated with design on editor interactions and canvas states and participated in code review across frontend and backend work.
Project Tech stack:
React
Redux Toolkit
MobX
Fabric
Node.js
Express.js
MongoDB
Socket.io
OpenAI
FFmpeg
Stripe API
Auth0
AI agent development
Full-Stack Engineer
Jun 2024 - Jun 20251 year
Project Overview

A music-industry booking and networking platform across web and mobile for musicians, venues, and promoters.

Responsibilities:
  • Built and shipped a music-industry booking and networking platform across web and mobile.
  • Built location- and genre-based search and matching features.
  • Integrated Spotify and SoundCloud media embeds and an invite-based onboarding flow.
  • Replaced fragmented email-and-spreadsheet booking workflows with a unified platform.
  • Built features from written product specifications and aligned discovery and booking flows with design before implementation.
  • Reviewed teammates’ pull requests as well as having my own code reviewed.
Project Tech stack:
React
React Native
Node.js
Swift
Kotlin
Chief Technology Officer
May 2021 - Aug 20243 years 3 months
Project Overview

Cross-platform music fan-engagement application.

Responsibilities:
  • Took over a legacy React Native codebase and led its architectural rebuild, interface redesign, and backend integration.
  • Built core engagement features, including song brackets, fan profiles, and discovery challenges, on a Node.js backend.
  • Shipped the rebuilt application to the App Store and Google Play.
  • Led engineering delivery for the client product while combining technical direction with hands-on full-stack development.
Project Tech stack:
React Native
Node.js
R&D Engineer
Aug 2018 - Jun 20212 years 9 months
Project Overview

A digital engineering company providing design, data, cloud, AI/ML, robotics, IoT, and XR solutions.

Responsibilities:
  • Improved retail detection accuracy by 36% and reduced manual QA effort by 65% through an on-device computer-vision system using TensorFlow, TensorRT, custom CUDA kernels, and NVIDIA Jetson Nano.
  • Delivered detection, segmentation, and 3D pose-estimation pipelines as Dockerized Flask/FastAPI services on AWS and GCP.
  • Built Unity/C# prototypes for movement tracking and synthetic training-data generation, alongside Android applications using voice interfaces.
  • Developed machine-learning, computer-vision, and interactive software systems for enterprise clients from research and experimentation through production deployment.
Project Tech stack:
Tensorflow
CUDA
Docker
Flask
FastAPI
AWS
GCP
Unity
C#
Android

Education

2027
Artificial Intelligence Systems
PhD
2022
Artificial Intelligence Systems
Master's
2021
Artificial Intelligence Systems
Bachelor's

Languages

Ukrainian
Advanced
English
Advanced

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