01/07/2026 updated
100 % available
Full Stack Developer
Vasylkivskyi, Ukraine
Only remote
Bachelor's Degree in Finance and CreditAbout me
? Dear Customer ? My name is Nazar Kernytskyi, a senior web & mobile developer skilled in Front-End and Back-End technologies. I have experience across Ecommerce, Real Estate, Healthcare, SaaS, and booking platforms, and I enjoy turning ideas into polished digital products.
Clean Code PrinciplesGoogle App EnginesTest AutomationCascading Style Sheets (CSS)Data IntegrityDevOpsScalabilityPostgreSQLPrototypingQuality ManagementTestingCypress (Programming Language)GitLabPytestDeployment Automation
Full Stack Development
Expertise in developing complete web applications using modern frameworks like React, Vue, Angular, Python, Django, Next.js, and Nuxt with focus on scalable architecture and clean code implementation
Backend API Development
Advanced skills in designing and implementing RESTful APIs and GraphQL services using Django REST Framework, Flask, Node.js, Laravel, and Express with database optimization
Database Management
Proficiency in structured database design and optimization using PostgreSQL and MySQL with focus on performance and data integrity
Frontend Technologies
Experience with HTML, CSS, JavaScript, TypeScript, Tailwind CSS, MUI, and Chakra UI for creating responsive user interfaces
Testing and Quality Assurance
Implementation of automated testing using Jest, Cypress, PyTest, Unittest, and Selenium WebDriver for ensuring code reliability
DevOps and Deployment
Knowledge of CI/CD pipelines using Jenkins, Google App Engine, and deployment automation for production-ready applications
Version Control
Proficiency with GitHub, GitLab, and Gitbucket for collaborative development and code management
Design Tools
Experience with Figma and XD for UI/UX design and prototyping
Expertise in developing complete web applications using modern frameworks like React, Vue, Angular, Python, Django, Next.js, and Nuxt with focus on scalable architecture and clean code implementation
Backend API Development
Advanced skills in designing and implementing RESTful APIs and GraphQL services using Django REST Framework, Flask, Node.js, Laravel, and Express with database optimization
Database Management
Proficiency in structured database design and optimization using PostgreSQL and MySQL with focus on performance and data integrity
Frontend Technologies
Experience with HTML, CSS, JavaScript, TypeScript, Tailwind CSS, MUI, and Chakra UI for creating responsive user interfaces
Testing and Quality Assurance
Implementation of automated testing using Jest, Cypress, PyTest, Unittest, and Selenium WebDriver for ensuring code reliability
DevOps and Deployment
Knowledge of CI/CD pipelines using Jenkins, Google App Engine, and deployment automation for production-ready applications
Version Control
Proficiency with GitHub, GitLab, and Gitbucket for collaborative development and code management
Design Tools
Experience with Figma and XD for UI/UX design and prototyping
Experience
Professional experience5 - 10 years
Freelancer since2015
Languages
EnglishFluentPolishFluent
Project history
Developed social platform for 10,000+ athletes with SaaS APIs integration, built financial auditing system for Stripe payments, designed RESTful and GraphQL APIs, architected SaaS platform for athlete data analytics, managed CMS operations, and delivered scalable Python backend components
Led team in building customer-facing web applications, replaced Node.js with Python-based backend services, automated regression testing, revamped backend architecture, implemented optimized pagination, built CI/CD pipelines, developed RESTful routes and modular components
Served as part-time intern web developer using Python, PHP, HTML, CSS, and JavaScript, designed dynamic browser-compatible pages, created over 25 landing pages including various web projects