Андрій

Andrii Cherniienko
Software Engineer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Cherkassy

PROFILE
Full Stack Engineer with 8+ years of experience delivering scalable web applications with React, Next.js, TypeScript,
and Node.js. Focused on accessible UI, performant frontend, and robust backend services (TypeORM,
PostgreSQL/PostGIS). Comfortable with Docker, CI/CD pipelines, and end-to-end testing — bringing products from
concept to production.
EXPERIENCE
Frontend Engineer April 2026 — July 2026
Ukraina.fi
Built responsive UI with Vue 3, Pinia, and Tailwind CSS, delivering reusable components and modular design-system
architecture.
Implemented complex UI interactions with custom CSS animations and breakpoint-specific behavior.
Maintained multilingual interface (ua/en/fi) with accessibility standards (aria-labels, semantic HTML).
Frontend Engineer October 2024 — January 2026
GM
Developed responsive Telegram Web App interfaces with React and MUI, delivering a reusable component library.
Implemented face detection and auto-photo capture workflows using MediaPipe for media processing.
Built robust form handling with React Hook Form and data fetching with SWR, reducing errors and improving UX.
Participated in cross-functional code reviews and sprint planning to maintain code quality and meet deadlines.
Full Stack Engineer April 2024 — July 2024
Genius Software
Delivered responsive front-end features with React and MUI, focusing on usability and performance.
Designed backend services with NestJS, TypeORM, and PostGIS for geospatial queries and location-based
features.
Integrated Google Maps API and implemented real-time rendering components; containerized apps with Docker.
Full Stack Engineer January 2020 — January 2024
Fireblink
Developed scalable applications with React and Next.js, building accessible UI components with Chakra UI.
Optimized rendering of large interactive tables and real-time components, improving performance and UX.
Built and maintained backend services with Nest, Koa, TypeORM, PostgreSQL, and MongoDB.
Wrote unit tests with Jest to improve code quality and reduce regressions.
Full Stack Engineer July 2018 — July 2020
Fireblink
Developed frontend features and cross-platform mobile components with Angular, Ionic, and Sass.
Implemented backend services in Java (Spring) and Node.js with MySQL.
Migrated infrastructure from CloudFormation to Terraform; containerized services with Docker.

Junior Web Developer August 2017 — July 2018
Fireblink
Implemented frontend tasks using JavaScript, AngularJS and D3.js to build responsive interfaces and data
visualizations. Focused on usability and cross-browser compatibility.
Contributed to backend features in Java (Spring/Hibernate) with MySQL, including API development and database
integration.
EDUCATION
Bachelor's Degree
Bohdan Khmelnytsky National University of Cherkasy * 2005 — 2010
SKILLS
JavaScript TypeScript React Nest Node.js Angular Next REST API
WebSockets Docker MySQL PostrgeSQL Git E2E Testing MongoDB KOA AWS
Terraform Min.Io Vue.js
AI TOOLS
Cursor OpenCode
LANGUAGES
English · B1 Ukrainian · Native