Gleb

Gleb Chetvertak
Senior Full-Stack Engineer · Tech Lead
[відкрити контакти](див. вище в блоці «контактна інформація») · [відкрити контакти](див. вище в блоці «контактна інформація») · github.com/gleb-chetvertak · @Gleb_Chetvertak
Remote · Kyiv, Ukraine (UTC+2/+3) · English B2 · Ukrainian native · German basic

SUMMARY

Full-stack engineer and tech lead with 11 years building web applications end-to-end — from requirements and
architecture through frontend, backend, and deployment. Deep across Vue / React / TypeScript and Node.js / NestJS /
Laravel, owning delivery and DevOps and leading and mentoring engineering teams. Current focus: AI-powered
development — shipping LLM features into production (conversational intake agents, recommendation engines,
document understanding) and driving AI-assisted engineering across teams to move faster without trading away
quality.

CORE SKILLS

Languages JavaScript (ES6+), TypeScript, PHP
Frontend Vue 2 / 3, Nuxt 2 / 3 / 4, React, Next.js, Pinia, Vuex, Redux Toolkit, Tailwind CSS, SCSS / Sass
Backend Node.js, NestJS, Express, Laravel, REST / OpenAPI, WebSockets
Data & search PostgreSQL, MySQL / MariaDB, MongoDB, Redis, Elasticsearch
AI / LLM Anthropic Claude API (tool use, token streaming, prompt caching); AI-assisted development (Claude
Code, GitHub Copilot, Gemini)
DevOps & cloud Docker, Kubernetes, AWS (ECS, EKS, RDS, S3, ElastiCache), GitLab / GitHub CI/CD, Nginx
Testing Jest, Vitest, Playwright, Cypress, React Testing Library
Ways of working Agile / Scrum / Kanban, estimation & sprint planning, code review, mentoring & technical leadership

EXPERIENCE

LogicFlow — Tech Lead / Senior Full-Stack Engineer · contract (outstaff) Mar 2025 – present · 1 yr 6 mo
Tech lead for a 6-person team shipping on a weekly release cadence across multiple AI-first products — introduced
LLM-driven development practices and mentored cross-functional teams.

KBKG — R&D Intelligence System · AI-assisted R&D tax-credit governance Jul 2026 – present
• Built the client portal and the unified internal engagement workspace (Next.js 16, React 19, tRPC 11, Prisma /
PostgreSQL 18, Inngest).
• Delivered a versioned QRE traceability artifact tracing each Form 6765 line item back to Bates-numbered evidence.
• Built and maintain the platform-wide design system.

CarRentRight · AI rental-compensation claims platform Jan 2026 – present
• Built a Claude-powered intake agent that interviews renters conversationally and emits structured case JSON via
tool use, with NDJSON token streaming and prompt caching.
• Architected the Turborepo monorepo — NestJS + PostgreSQL API, Next.js 15 customer and admin apps — with JWT
/ Google OAuth, append-only legal-consent auditing, and a three-tier AWS ECS Fargate deployment tested with Jest
+ Playwright.

TC-Nomad · AI packing assistant for travelers Feb 2026 – present
• Built a Claude-powered recommendation engine combining trip itineraries with weather forecasts into destination-
aware packing lists, plus AI-generated per-item packing images (S3, presigned URLs).
• Architected the pnpm / Turborepo monorepo: NestJS 10 API (PostgreSQL, Redis), Next.js 16 customer app, and
shadcn/ui admin portal — three Dockerized services on ECS Fargate.

LakoFinance · invoicing & subscription management Apr 2026 – May 2026
• Shipped a four-mode invoice engine (one-time, recurring, milestone, order) with BNPL installments and shareable
payment links; integrated Stripe Connect, Tilta, and Mondu for marketplace billing.
• Built AI invoice ingestion — client-side PDF extraction piped to Claude to auto-fill invoice forms — plus multilingual
invoice-PDF generation via headless Chromium.

StayWell · healthcare micro-learning app Nov 2025
• Delivered the Field Experts vertical end-to-end as sole engineer — NestJS API, Nuxt admin authoring tools, and
consumer PWA — with multipart S3 upload and signed-URL delivery.

CAD+T / HELIOS · B2B e-commerce & 3D product configuration Mar 2025 – Jun 2026
• Architected a 9-package Nuxt 4 SSR monorepo with a CMS-driven rendering engine and a Nitro BFF over an ERP
backend (OAuth2 / OIDC), plus Redis + Varnish edge caching.
• Built parametric 3D product configurators (Three.js, manifold-3d WebAssembly CSG, Web Workers) driving live
quote-to-order CPQ flows.

Lengin — Senior Full-Stack Engineer · contract (outstaff) · led a team of 9 Apr 2022 – Feb 2025 · 2 yr 11 mo

Bold · data-loss-prevention browser plugin Dec 2024 – Feb 2025
• Built the violations-audit console — ag-Grid filtering, search, and incident drill-down with evidence downloads — in
Solid.js + shadcn/ui over an OpenAPI-generated REST client.

Lilt · enterprise machine-translation marketing platform Nov 2024 – Feb 2025
• Architected a slice-based SSR rendering engine mapping 30+ Contentful content types to Vue components, with
three-tier caching (request-scoped Vuex, node-cache, Redis) and 4-locale i18n — cut page load time by more than
2x, into the PageSpeed green zone.

MSPTerms · multi-tenant contract e-acceptance SaaS Jun 2024 – Dec 2024
• Led a Nuxt 3 + Express / MongoDB SaaS: rich-text → DOCX / PDF document pipeline, password-gated e-acceptance
with full audit logging, and subscription billing.

ASO-Faster · App Store Optimization keyword planner Mar 2024 – Jul 2024
• Product owner and engineer of an offline-first Nuxt 3 SPA (Pinia, localStorage persistence) covering 40 locales and
80+ App Store territories, with bidirectional Fastlane ZIP import / export.

Competo · the country's largest e-commerce marketplace, 250+ people Aug 2023 – Feb 2025
• Served 2M+ marketplace customers (5M+ users across the parent ecosystem) and 850+ click-and-collect pickup
points on the country's largest e-commerce marketplace.
• Architected a trilingual (RU / AZ / EN) Vue 2.7 admin SPA spanning 31 domain modules over a unified API layer
covering 400+ microservice endpoints, with trace-ID propagation and automatic token refresh.
• Implemented Azure AD SSO (MSAL) with CASL role-based access across routes, menus, and actions; built a reusable
TipTap WYSIWYG editor shared across CMS, brand, and SEO modules.
• Delivered customer-storefront features end-to-end: BNPL order flows (Kapital Bank), order-tracking timelines, a
redesigned account / orders area (v2 API migration), and the marketplace returns subsystem.

OWNDAYS · international eyewear storefront May 2023 – Feb 2024
• Architected an isomorphic React 16 SSR storefront (redux-saga, per-request stores) across 5 markets, with multi-
gateway checkout (Juspay, Primer, BNPL) and virtual try-on / AR.

DeinArzt · online medical-appointments platform Oct 2022 – Feb 2023
• Built pixel-perfect responsive doctor / patient interfaces in React + Redux (Material UI, Formik, TypeScript) —
appointment booking, schedule management, and REST API integration.

MaxiEvents · CRM for event organizers Jun 2022 – Sep 2022
• Built the Vue 2 / Vuex frontend for end-to-end event setup — venues, ticketing with a PDF ticket designer, online
broadcasts — over Firebase and WebSockets.

Nitrohire · reference-checking & candidate-assessment SaaS Apr 2022 – Apr 2023
• Built the Vue 3 SPA: a dynamic candidate-questionnaire engine (8 answer types, offline-resilient buffering, anti-
gaming dwell timers) and a drag-and-drop role-template builder with conditional logic.

SmartOnline — Full-Stack Engineer · contract Feb 2021 – Mar 2022 · 1 yr 2 mo
• Built and scaled Smart24, a multi-tenant service-request platform (Laravel 10 / Vue 2) for two national electronics
retail chains — 3,000+ retail staff across 70+ stores, serving 2.4M+ loyalty-program members.
• Migrated filtering of a 3M+ request collection from MongoDB to Elasticsearch with dynamic EAV-attribute mapping
and automatic fallback.
• Engineered partner data synchronization (HTTP packet processors, SFTP-JSON pulls, cross-installation ID mapping),
an attribute-conditional external-reports access engine, and a Redis-cached scheduling module with bidirectional
partner-API sync.
Stack: PHP 8.3, Laravel 10 (Horizon, Passport, Pennant, Backpack), MySQL / MariaDB, MongoDB, Redis, Elasticsearch 8.

Konstruktor — Frontend / DevOps / Team Lead · 200+ person organization Nov 2017 – Aug 2020 · 2 yr 10 mo
• Developed and maintained 14 product sites and an internal social network (v2 in Symfony + Vue with Swift / Kotlin
mobile apps), coordinating the web and mobile teams.
• Ran DevOps and then SRE for ~1 year and managed the DevOps team; provided line-2 / 3 support through a post-
acquisition platform migration and interviewed frontend and backend candidates.

Freelance — Web / Frontend Developer 2015 – 2021 (intermittent)
• Delivered client projects across landing pages, e-commerce, CRMs, and corporate sites (Vue, React, Firebase),
frequently taking over and stabilizing existing codebases with performance and SEO improvements.