Кирило

Kyrylo Petrov
Junior Fullstack Developer
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Kharkiv, Ukraine

SUMMARY
Junior Full-Stack Developer with over 1 year of practical experience building scalable web applications, RESTful APIs, and
responsive user interfaces using Node.js, Express, React.js, and JavaScript/TypeScript.
Experienced in developing full-stack features for SaaS platforms (EdTech and LegalTech), including database integrations,
custom file uploads, authorization workflows, dynamic data tables, and search filters.
Strong understanding of modern client-server architecture, database modeling, Git version control, and API integrations,
backed by attentiveness and a continuous drive to learn.
SKILLS
Frontend: React.js, JavaScript (ES6+), TypeScript, HTML5, CSS3, TailwindCSS, SCSS
Backend: Node.js, Express.js, RESTful APIs, PostgreSQL, MongoDB, ORM/ODM (Mongoose, Prisma)
Development Practices: Full-Stack Component Architecture, Database Design, Responsive UI, Authentication (JWT), API
Integration
Tools & Workflow: Git, GitHub, Postman, Figma, Debugging, Code Reviews
Languages: English (Advanced), Ukrainian (Native)
EXPERIENCE
Junior Full-Stack Developer Jan 2026 – Present
EdTech Startup Kharkiv, Ukraine (Remote)
• Developed full-stack functionality for the student dashboard, connecting React components with Node.js/Express backend
services.
• Designed and implemented RESTful API endpoints to handle student homework submissions, grades, and course
progression tracking.
• Built interactive modal windows and UI components using React, integrated with server-side endpoints for real-time video
progress updates.
• Implemented server-side filtering and pagination logic for educational materials to optimize payload size and response
times.
• Debugged state management and API session persistence using LocalStorage, React Context, and JWT authentication.

Junior Full-Stack Developer Jun 2025 – Dec 2025
Document Management System (LegalTech) Kharkiv, Ukraine (Remote)
• Created full-stack document registry features, including a dynamic frontend editor and backend JSON data storage models.

• Developed backend endpoints for multi-parameter search and filtration across contract records (filtering by date,
counterparty, and status).
• Configured secure file upload handling on Node.js with backend validation for file types, size constraints, and error
reporting.
• Added bulk operation API routes for batch downloading and deleting document entries, reducing client request overhead.

• Refactored legacy React class components and legacy backend routing middleware to improve codebase modularity.

EDUCATION
Yaroslav Mudryi National Law University Kharkiv, Ukraine
Bachelor’s Degree 2022 – 2026