Glib
From Ukraine (UTC+3)
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
Additional skills
Direct hire
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Let’s get started today!Experience Highlights
Lead Full-Stack AI Engineer
An agentic AI platform for enterprise partnership teams built on a proprietary partnership graph covering 10,000+ companies.
- 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.
Software Engineer, Data Acquisition & Automation
A US public-records and background-screening platform with automated data-acquisition agents.
- 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.
Full-Stack AI Engineer
A B2B FMCG supply chain SaaS that automated supplier product-data extraction and retailer onboarding.
- 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.
Full-Stack Mobile Engineer
Contract engagement developing the company's connected fitness application, combining React Native, Unity, and real-time hardware inputs.
- 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.
Full-Stack AI Engineer
An AI video-generation SaaS that turned a written brief into a ready-to-post video in a single browser session.
- 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.
Full-Stack Engineer
A music-industry booking and networking platform across web and mobile for musicians, venues, and promoters.
- 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.
Chief Technology Officer
Cross-platform music fan-engagement application.
- 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.
R&D Engineer
A digital engineering company providing design, data, cloud, AI/ML, robotics, IoT, and XR solutions.
- 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.