Богдан

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Bogdan Lysenko ➤ @skipperStar (Telegram)
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SENIOR FRONTEND / FULL-STACK ENGINEER ⚭ [відкрити контакти](див. вище в блоці «контактна інформація»)
V U E 3 • N U X T • R E A C T • N E X T. J S • T Y P E S C R I P T • N O D E . J S • G o • A I / L L M ⌖ Budapest, Hungary — Remote

T E C H S TA C K S U M M A RY
Frontend Senior Frontend / Full-Stack Engineer with 7+ years of commercial experience, including 4+ years
Vue 3 Nuxt 3 React Next.js building production SPAs, SSR applications and PWAs with Vue 3 / Nuxt and TypeScript, plus hands-
TypeScript Composition API Pinia on work with React / Next.js. Comfortable owning a feature end-to-end: UI architecture, state
Vue Router React Hooks management, API design and Node.js (NestJS, Express) backends, with additional experience in Go.
SSR / SSG Vite Tailwind CSS Built AI-powered product features (LLM chat assistants, streaming responses, content-quality tooling)
SCSS Angular 2+ PWA
and use AI-assisted workflows in daily development. Strong in testing (Vitest, Cypress, Jest), code
Responsive UI
reviews and mentoring.
Testing & Quality
Vitest Cypress Jest / Mocha KEY HIGHLIGHTS
ESLint / Prettier Code Review
Vue 3 + TypeScript + Pinia + Vite: PWA React / Next.js: UI for an LLM-powered CRM
API & Integration
configurator architected from scratch, CRM/ERP chat assistant with streaming responses, plus
REST GraphQL OpenAPI
UI, real-time dashboards, multi-step forms & data internal AI review tools.
WebSockets gRPC Webhooks tables.
Backend
Node.js NestJS Express
SSR with Nuxt 3: server-rendered public pages Full ownership of the stack: Node.js / NestJS
Go (Golang) PHP 8.x Laravel
and SEO-critical flows integrated with Laravel / services, Go microservice (REST/gRPC, worker
Symfony Microservices
Node.js APIs. pools) under ~800 req/min, p95 < 120 ms.
RabbitMQ
AI / LLM
OpenAI-compatible APIs Ollama
Quality: Vitest unit tests, Cypress e2e for critical AI in product: integrated Ollama / vLLM /
user flows, typed REST / GraphQL clients, code OpenAI-compatible models into UI features —
vLLM Streaming UI RAG
reviews & mentoring of 3 engineers. generation, dedup via embeddings, eval tooling.
Embeddings AI-assisted dev
Databases & Cache
PostgreSQL MySQL MongoDB EXPERIENCE
Redis ElasticSearch
Senior Full-Stack Engineer (Frontend-focused) 12/2024 – 06/2026
Tools & Infra PhoenixLead Remote
Git Docker CI/CD Linux
Vue 3 TypeScript Pinia Vite React Next.js Tailwind CSS Vitest Cypress NestJS Go Laravel
Figma → UI Mentoring
LLM APIs RabbitMQ

LANGUAGES Architected a PWA configurator from scratch: Vue 3 + TypeScript + Vite + Pinia frontend,
reusable component library, offline-ready multi-step flows; designed the backend API (Laravel /
Ukrainian ●●●●●
Native
NestJS) behind it.
Russian ●●●●● Built the frontend of an internal CRM/ERP for affiliate managers, media buyers and ops teams:
Native RBAC-aware navigation, reporting dashboards with real-time updates, paginated/filterable data
tables, multi-step forms — reduced manual operations by ~30 %.
English ●●●●●
Intermediate Developed a React / Next.js UI for an LLM-powered CRM chat assistant (streaming responses,
conversation history, tool-call results) and internal review tools for AI-generated affiliate content.
D E TA I L S Integrated LLM features into the product (Ollama, vLLM, OpenAI-compatible APIs): content
Location Budapest, Hungary generation & quality filtering, embedding-based lead deduplication, prompt-evaluation pipelines.
Availability Remote / Relocation Owned the backend side where needed: high-load Node.js / NestJS and Laravel services for lead
validation and distribution (~800 req/min, p95 < 120 ms) and a standalone Go microservice for
Experience 7+ years
real-time lead scoring (worker pools, REST/gRPC, RabbitMQ).
E D U C AT I O N Introduced Vitest unit tests and Cypress e2e coverage for critical flows; typed API clients generated
from OpenAPI; integrated 15+ external APIs (affiliate networks, payment providers, analytics).
Kharkiv National University of
Radio Electronics Led code reviews, mentored 3 middle/junior engineers, drove frontend architecture and component-
2017 – 2020 design decisions.
Kharkiv Regional Institute of
Public Administration
2016 – 2020
Kharkiv Patent Computer College
2013 – 2017
LemonSchool — PHP Developer
Aug – Nov 2017

Full Stack Engineer 11/2024 – 09/2025
Emerchantauthority Remote
Vue 3 TypeScript Tailwind CSS Node.js Symfony 7 GraphQL / REST RabbitMQ LLM APIs

Built and maintained UI modules of the internal CRM and lead-management system for merchant
acquisition: application-review screens, document viewer with AI-extracted fields, manager
dashboards and bonus/performance views.
Developed Node.js services and async pipelines (Symfony Messenger + RabbitMQ) feeding the
frontend: analytics aggregation, notifications, document generation — improved throughput by ~25
%.
Integrated LLM-based document analysis and fraud-signal extraction into the review workflow,
surfacing results in the UI with confidence indicators and manual override.
Built data-extraction services for incoming emails, customer applications and partner
communications; implemented bonus-calculation rules for manager performance tracking.

Full Stack Engineer 03/2022 – 11/2024
Get Code Remote
Vue 3 Nuxt 3 TypeScript Pinia Tailwind CSS Vitest Laravel 10/11 REST / GraphQL Redis RabbitMQ

Delivered full-stack features end-to-end: Vue 3 components (reactive tables, filters, dashboards,
form wizards) with Composition API and Pinia, backed by Laravel APIs.
Implemented server-side rendering with Nuxt 3 for public-facing, SEO-critical pages; shared
typed models between frontend and API.
Integrated third-party APIs (REST, GraphQL, webhooks) with robust error handling, retries and
structured logging — reduced integration incidents by ~20 %.
Optimized data layer behind heavy UI views: MySQL/PostgreSQL query and index tuning, read
replication, Redis caching — reporting views ~35 % faster, DB load cut ~30 % at peak.
Built async jobs via RabbitMQ for background processing (emails, reports, webhooks); covered
components and composables with Vitest.

Full Stack Engineer 05/2021 – 02/2022
Paydock Kharkiv / Remote
Angular 2+ TypeScript RxJS NestJS Express Jest / Mocha MongoDB PostgreSQL

Built and maintained Angular / TypeScript frontend components for a payment-processing platform:
merchant dashboard, transaction views, payment-method forms integrated with backend
microservices.
Developed high-load TypeScript / NestJS microservices and third-party payment API integrations;
contributed to the PHP SDK.
Covered critical paths with Jest / Mocha unit and integration tests across MongoDB and PostgreSQL
data layers.

PHP / Web Developer 01/2019 – 04/2021
Yale Acceptic Kharkiv
JavaScript / jQuery HTML5 / CSS3 PHP 7.x Symfony CodeIgniter MySQL

Implemented responsive markup (HTML5, CSS3) and JavaScript / jQuery interactivity for admin
and reporting tools; built backend modules (authorization, report generation, logging) and third-
party API integrations.

PHP Developer 10/2017 – 12/2018
Houston LTD Kharkiv
PHP Laravel WordPress REST API Responsive markup

Developed Laravel and WordPress features, REST API integrations and responsive page layouts.

Web Developer 02/2017 – 10/2017
PandaDesign Kharkiv
HTML / CSS JavaScript PHP

Frontend markup and PHP backend development; first commercial experience in web development.