Nikita

Nikita Chornyi
Ukraine, Kyiv | LinkedIn | [відкрити контакти](див. вище в блоці «контактна інформація») | telegram: SlashJeS | [відкрити контакти](див. вище в блоці «контактна інформація»)
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EDUCATION
TARAS SHEVCHENKO NATIONAL UNIVERSITY OF KYIV​ Ukraine, Kyiv
Faculty of Computer Science and Cybernetics – Applied mathematics​ Graduation Date: June 2025
SKILLS & INTERESTS
Skills:​
Frameworks: React (Next.js), Vue.js, Nest.js, Nuxt, Refine, React Native, Strapi
Languages: JavaScript (ES5-ES2023), TypeScript, Node.js, Python, SQL
Databases: PostgreSQL, MySQL, SQLite, MongoDB, Redis, Firestore, Elasticsearch
State & Data Management: Redux Persist, AsyncStorage, IndexedDB, RTK Query, React Context,
SWR, Zustand, TanStack Query (React Query)
Libraries & UI: jQuery, Tailwind CSS, MUI, Framer Motion, Swiper, ApexCharts, Recharts, Radix UI,
Emotion, Chart.js
Tools: Redux (Toolkit), Recoil, Apollo Client, Webpack, webextension‑polyfill, Vite, Yarn, NPM
DevOps & Environment: Docker, docker-compose, Nginx, Apache, CI/CD (GitHub Actions), SSR
API: REST, FastAPI, GraphQL
API Integrations: OpenAI API, ClickFlare API, CrossDomain API, Stripe API, Matterport SDK,
OpenWeather API, WebAPIs, Clerk Authentication, Google Ads API
3D & Visualization: Matterport SDK, Three.js, WebGL, React Three Fiber, Fabric.js, Babylon.js
Workflow & Utilities: Git, ESLint, Prettier, Nodemailer, i18n, Google OAuth, JWT, HttpOnly Cookies
Cloud Services: AWS (ECR, ECS, ALB)​
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WORK EXPERIENCE
ADLINK​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Remote
Tech Lead​ April 2025 – Present
●​ Built a microservice suite (ads, auth, finance, crypto) with FastAPI + PostgreSQL, orchestrating Google
Ads account creation, verification, and budget top‑ups through MCC workflows and Google Ads API calls.
●​ Implemented blockchain payment flows (TRC20/ERC20/BEP20): deposit address generation, on‑chain
monitoring, confirmations, and payout execution, feeding balances and transaction ledgers.
●​ Delivered a Next.js/React Admin console for verified users with Google OAuth + JWT, role‑based
dashboards, and campaign/account operations via Google Ads API.
Technology stack: Next.js, React, FastAPI, PostgreSQL, Redis, Celery, Google Ads API, Web3/tronpy, Render.​

PassSecurium​ Remote
Front-end Developer​ January 2025 – February 2026
●​ Built a modular browser extension in Vue 2, made redesign to improve client experience and user-friendly
UI, linking background, content, popup, and options scripts via webextension-polyfill, with partially
client-side data stored securely in IndexedDB.
●​ Updated a smart login assistant that detects login fields, injects autofill icons, retrieves encrypted
credentials, and fills forms in one click—improving UX and login speed.
●​ Implemented a Zero-Knowledge mode using custom Crypto-JS AES logic and integrated MSAL-based
Azure authentication, ensuring all sensitive data remains client-side.
●​ Optimized cross-context communication and form detection, reducing unnecessary polling by refactoring
content–background messaging, and improving compatibility with diverse login layouts through adaptive
selector logic.
Technology stack: Vue 2, WebExtension APIs, IndexedDB, Crypto-JS, MSAL, Webpack 5, Sentry.

Cyber Unit Technologies​ Remote
Front-end Developer​ May 2024 – June 2025
●​ Implemented Next.js and Typescript to improve front-end development, resulting in faster and more
efficient web applications.​ ​
●​ Contributed to the creation of dynamic web solutions, including user dashboards and interactive features, to
provide users with a highly engaging experience.
●​ Played a role in optimizing application security and performance, resulting in increased user satisfaction.
Technology stack: Next.js, Typescript, Redux.
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Ad Synchronization Platform​ ​ ​ ​ ​ ​ ​ ​ Remote
Full-Stack Developer​ August 2023 – April 2024
●​ Built a full-stack advertising synchronization platform with containerized microservices architecture,
deployed on AWS.​
●​ Automated domain creation and tracking pixel injection through seamless integration with CrossDomain
API, Tonic API, and ClickFlare API.
●​ Created a real-time analytics layer by processing arbitration data from ClickFlare and visualizing it in
interactive dashboards.
●​ Implemented secure authentication (JWT + Google OAuth), frontend session persistence, and optimized
user experience with modern UI components.
Technology stack: React (TypeScript), FastAPI (Python), Docker, AWS.

Flaxsi Shop​ Remote
Full-Stack Web Developer​ March 2023 – July 2023
●​ Redesigned the entire frontend using Next.js with MUI and Tailwind CSS, integrating Framer Motion
transitions and Swiper carousels for a smoother, responsive user experience.
●​ Customized and extended the Strapi v4 backend by adjusting content schemas, PostgreSQL tables, and
plugin configurations (permissions, i18n) to streamline content and order workflows.
●​ Contributed to a Stripe-powered checkout pipeline, supporting serverless API routes for payment intents,
integrating Apollo Client GraphQL mutations for order processing, and setting up localized email receipts
with Nodemailer.
●​ Supported improvements to development and deployment workflows by helping Dockerize environments,
apply TypeScript with ESLint/Prettier standards, and prepare optimized, SSR-cached builds for CI/CD
readiness.
Technology stack: Next.js (TypeScript), MUI, Tailwind CSS, Strapi, PostgreSQL, GraphQL/REST.​
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OUTSOURCE / CONTRACT PROJECTS​ Remote
Full-stack Developer​
●​ Cosmic Web Application — React, TypeScript, Matterport SDK, Clerk Authentication
●​ ESP Cup Design Creator — React, TypeScript, Three.js
●​ Glass 3D Configurator — React, TypeScript, Three.js
●​ Mobile Healthcare Application — React Native, TypeScript
●​ Web Cam – CNC Design — Laravel, PHP, TypeScript, Fabric.js
●​ Begra Configurator — TypeScript, Nuxt, Three.js
●​ USA Spotsee — JavaScript, OpenCV.js, jsQR, Web APIs