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YAROSLAV PLAKSII
FRONTEND DEVELOPER

CONTACTS SUMMARY
Frontend developer focused on building scalable, responsive web applications using
[відкрити контакти](див. вище в блоці «контактна інформація») React, TypeScript, and modern frontend tools. Skilled at turning complex
requirements into clean, maintainable code and delivering user-friendly interfaces.
[відкрити контакти](див. вище в блоці «контактна інформація»)
Passionate about continuous learning and creating high-quality user experiences.
[відкрити контакти](див. вище в блоці «контактна інформація»)

Ternopil, Ukraine EXPERIENCE
Frontend Developer
CHI Software | Mar 2025 - Jun 2025
Led the frontend development for an AI agents platform, enabling automated
TECH SKILLS agents orchestration and management workflows.
Developed and maintained scalable, modular interfaces using React and
JavaScript/TypeScript TypeScript for configuring and monitoring AI agents.
React/Next Integrated real-time status updates, logs, and agents communication flows to
Redux/Zustand/TanStack Query enhance usability and transparency for end users.
HTML/CSS/SASS/Tailwind Collaborated closely with AI engineers to align UI functionality with complex
Responsive/Adaptive design agents behaviors and workflows.
MUI/Bootstrap/Ant Design/Mantine Ensured responsive design and optimal performance across various
Node/Express environments to support seamless operation of AI agents.
REST API/GraphQL Technologies: React, TS, Shadcn UI, Tailwind CSS, WebSockets, Rest Api.
Git/GitHub/GitLab/Azure/AWS
Frontend Developer
Jest/React testing library
CHI Software | Sep 2024 – Mar 2025
WebSocket
Built a web-based WiFi portal for airlines, providing seamless in-flight internet
access for passengers and an admin panel for content management and usage
SOFT SKILLS monitoring.
Time management Developed and maintained a modular, scalable React frontend with TypeScript.
Communication Integrated GraphQL for efficient data fetching and updates, reducing API load
Teamwork and improving performance.
Work ethic Collaborated with backend developers to design and optimize GraphQL
Attention to detail schemas and queries.
Technologies: React, TS, Zustand, MUI, GraphQL, Rest Api, Webiny.
Frontend Developer
CHI Software | May 2024 - Aug 2024
EDUCATION Developed and optimized frontend components to enhance user interaction for
Master's degree loan officers and risk managers.
Integrated custom rule-based risk assessment algorithms to automate loan
Ternopil National Economic eligibility decisions.
Univetsity Collaborated with backend developers and data scientists to implement secure,
reliable data flows for consistent risk scoring.
Ensured responsive design and cross-browser compatibility for seamless access
across devices.
LANGUAGES Participated in sprint planning and code reviews within an Agile team to deliver
high-quality features on time.
English - Upper-Intermediate Technologies: React, TS, Redux, MUI, React Flow, Rest Api.
Ukrainian - Native Frontend Developer
CHI Software | Oct 2023 - Apr 2024
Developed and implemented user interfaces for a trading strategy platform using
modern frontend technologies.
Collaborated with backend developers and data scientists to integrate advanced
analytics and algorithmic trading features.
Ensured responsive design and optimal performance across devices and
browsers.
Designed and maintained user-friendly interfaces for analyzing financial
instruments and market data.
Implemented and optimized real-time data visualization and interactive features.
Technologies: React, TS, Zustand, Mantine, React Flow, Rest Api.