Vasil Putra
Offer Vasil work on your next project.
Private message 
Offer work 
Cherkassy,
Ukraine
1 month 28 days back
a little busy
4 Safes completed
7 years back
5 clients
age 34 years
on the service 9 years
Rating
Average rating
Language proficiency level
Українська: fluent
English: upper-intermediate
Skills and abilities
Programming
- Bot Development
- Data Parsing
- Databases & SQL
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HTML & CSS
from 3 USD for hour
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Javascript and Typescript
from 3 USD for hour
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Web Programming
from 3 USD for hour
Services
- Customer Support
- Online Stores & E-commerce
- Payment Systems Integration
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Website Development
from 3 USD for hour
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Website Maintenance
from 3 USD for hour
Mobile development
Portfolio
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Senior Full-Stack Engineer at ProprHome
Javascript and Typescript
- Developed core UI components using AI tools v0, ShadCN and Tailwind CSS
- Enhanced UI performance, integrated advanced mapping with custom filters, and improved overall platform usability
- Ensured consistent accessibility and performance through Lighthouse CI and axe-core
- Contributed to the backend implementation using NestJS, GraphQL (Apollo), TypeORM and PostGIS
… - Supported and maintained backend services and data management with TypeORM and PostGIS
- Configured and managed infrastructure deployments (frontend via Vercel, backend and AI services via Google Cloud)
- Automated deployment pipelines and CI/CD workflows using Husky, lint-staged, ESLint and Prettier for code consistency
- Modified Python-based AI models for personalized property recommendations and location data enrichment (weather, transportation, local insights)
- Participated actively in code reviews, ensuring code quality and adherence to standards
- Established efficient project management processes
- Documented technical processes and ensured transparent communication within the team
- Integrated payment gateway (Stripe) for seamless transaction processing
- Backend development and API management using NestJS, GraphQL (Apollo) and databases with TypeORM and PostGIS
- Implemented real-time monitoring and logging solutions via Sentry to ensure platform stability and rapid issue resolution
- Developed core UI components using AI tools v0, ShadCN and Tailwind CSS - Enhanced UI performance, integrated advanced mapping with custom filters, and improved overall platform usability - Ensured consistent accessibility and performance through Lighthouse CI and axe-core - Contributed to the backend implementation using NestJS, GraphQL (Apollo), TypeORM and PostGIS - Supported and maintained backend services and data management with TypeORM and PostGIS - Configured and managed infrastructure deployments (frontend via Vercel, backend and AI services via Google Cloud) - Automated deployment pipelines and CI/CD workflows using Husky, lint-staged, ESLint and Prettier for code consistency - Modified Python-based AI models for personalized property recommendations and location data enrichment (weather, transportation, local insights) - Participated actively in code reviews, ensuring code quality and adherence to standards - Established efficient project management processes - Documented technical processes and ensured transparent communication within the team - Integrated payment gateway (Stripe) for seamless transaction processing - Backend development and API management using NestJS, GraphQL (Apollo) and databases with TypeORM and PostGIS - Implemented real-time monitoring and logging solutions via Sentry to ensure platform stability and rapid issue resolution
Skills: JavaScript · ReactJS · NextJS · Nest.js · Node.js · Python · TypeScript · GraphQL · Apollo · Tailwind · Stripe
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Senior Front-end Engineer at NDA
Javascript and Typescript- Developed core functionalities for a dynamic and high-performance booking system, significantly simplifying student registration and reducing support overhead
- Created reusable UI components based on Atomic Design principles, ensuring scalability, consistent styling and reduced code duplication
- Improved multilingual support, enhancing accessibility and expanding international user reach
- Integrated Prismicio for dynamic content management, empowering content managers to independently update information without development involvement
… - Achieved a 60% improvement in platform load speeds using Next.js build analytics and implementing advanced optimization strategies
- Utilized Lighthouse and Sentry for real-time performance tracking and error monitoring
- Optimized Server-Side Rendering (SSR) and Static Site Generation (SSG) to enhance content delivery speeds and user experience
- Set up Continuous Integration (CI) processes, ensuring stable and timely deployment of updates
- Actively participated in Code Reviews, maintaining high standards and improving overall code quality
- Streamlined project structure and development workflows, significantly reducing time-to-market for new features
- Integrated analytics tools for comprehensive user interaction tracking, guiding UX enhancements
- Ensured platform accessibility (a11y), making the user experience inclusive and accessible to all users
Skills: NextJS · JavaScript · TypeScript · Prismicio · Tailwind · Storybook
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Senior Front-end Engineer at NDA
Javascript and Typescript- Developed core UI features for "Journey" and "Chat" pages, significantly enhancing user engagement
- Integrated AI-generated media content (photos, videos, text) directly into WhatsApp messaging, expanding automation capabilities
- Created an analytics dashboard providing insights on message statistics, user activity tracking and geographic analytics
- Developed "Reminders" functionality for automated scheduling of user messages and implemented organizational settings to streamline business processes
… - Built reusable UI components using Backlight and Styled Components, ensuring consistency and scalability
- Implemented Cypress for end-to-end testing, snapshot tests for UI components and unit tests with Jest for React
- Actively participated in Code Reviews, maintaining high-quality code standards and project architecture
- Improved platform performance by optimizing page load speed and response times
- Elixir LiveView was used as a microservice for faster interaction and real-time communication with users. Additionally, Elixir LiveView was implemented during the migration from React to Elixir LiveView
- Worked with microservices architecture, integrating AI models for automated responses and efficient message processing
- Generated GraphQL APIs with schema-based types and optimized client-side data fetching using Apollo Hooks
- Integrated billing and subscription management systems via Paddle, automating payments and subscription processes
- Configured Paddle analytics to monitor financial performance and user payment behaviors
- Developed Continuous Integration (CI) processes for automated code analysis, issue detection, and integration of new features
- Implemented error monitoring using Sentry, enabling rapid identification and resolution of production issues
- Developed core UI features for "Journey" and "Chat" pages, significantly enhancing user engagement - Integrated AI-generated media content (photos, videos, text) directly into WhatsApp messaging, expanding automation capabilities - Created an analytics dashboard providing insights on message statistics, user activity tracking and geographic analytics - Developed "Reminders" functionality for automated scheduling of user messages and implemented organizational settings to streamline business processes - Built reusable UI components using Backlight and Styled Components, ensuring consistency and scalability - Implemented Cypress for end-to-end testing, snapshot tests for UI components and unit tests with Jest for React - Actively participated in Code Reviews, maintaining high-quality code standards and project architecture - Improved platform performance by optimizing page load speed and response times - Elixir LiveView was used as a microservice for faster interaction and real-time communication with users. Additionally, Elixir LiveView was implemented during the migration from React to Elixir LiveView - Worked with microservices architecture, integrating AI models for automated responses and efficient message processing - Generated GraphQL APIs with schema-based types and optimized client-side data fetching using Apollo Hooks - Integrated billing and subscription management systems via Paddle, automating payments and subscription processes - Configured Paddle analytics to monitor financial performance and user payment behaviors - Developed Continuous Integration (CI) processes for automated code analysis, issue detection, and integration of new features - Implemented error monitoring using Sentry, enabling rapid identification and resolution of production issues
Skills: ReactJS · TypeScript · JavaScript · GraphQL · Apollo · Node.js · Highcharts · Reactflow · Cypress · Jest · Craco · Figma · Backlight
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Senior Front-end Engineer at Innovation Feel LLC
Javascript and Typescript
- Led architectural planning, environment configuration, and implementation of key functionalities for the corporate website and admin panel
- Developed a flexible and high-performance system using Next.js and TypeScript, enabling fast page loading and efficient data handling
- Built UI components precisely aligned with Figma designs, ensuring high visual fidelity and functionality
- Implemented animations to enhance user experience and provide a dynamic website interaction
… - Configured Continuous Integration (CI) processes, improving platform stability and simplifying maintenance
- Integrated analytical APIs including Google Tag Manager (GTM), Hotjar and Sentry for enhanced user behavior monitoring and system performance analysis
- Conducted comprehensive SEO optimization, including meta-tag setups, page structure improvements, OpenGraph and Schema Markup implementation, significantly boosting website visibility and organic traffic
- Enhanced platform performance using code-splitting, lazy loading and resource caching, leading to faster load times and improved overall responsiveness
- Led architectural planning, environment configuration, and implementation of key functionalities for the corporate website and admin panel - Developed a flexible and high-performance system using Next.js and TypeScript, enabling fast page loading and efficient data handling - Built UI components precisely aligned with Figma designs, ensuring high visual fidelity and functionality - Implemented animations to enhance user experience and provide a dynamic website interaction - Configured Continuous Integration (CI) processes, improving platform stability and simplifying maintenance - Integrated analytical APIs including Google Tag Manager (GTM), Hotjar and Sentry for enhanced user behavior monitoring and system performance analysis - Conducted comprehensive SEO optimization, including meta-tag setups, page structure improvements, OpenGraph and Schema Markup implementation, significantly boosting website visibility and organic traffic - Enhanced platform performance using code-splitting, lazy loading and resource caching, leading to faster load times and improved overall responsiveness
Skills: NextJS · JavaScript · ReactJS · Node.js · React Native · Programming · Apollo · Craco · Nest.js · Express · TypeScript · Tailwind · Jest · AWS
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Senior Front-end Engineer at Common
Javascript and Typescript
- Initiated the project environment for web, backend and mobile applications, configured core services and selected the technological stack, ensuring flexibility and stability for future growth
- Developed scalable APIs with Node.js and NestJS, enabling efficient service interactions
- Implemented user authentication by integrating OAuth providers and external services
- Built real-time chat functionalities for both mobile and web applications using WebSockets and GraphQL Subscriptions, providing instant message delivery and enhancing system responsiveness
… - Designed interactive "Journey Flows" with ReactFlow, empowering users to visually create and manage custom interaction scenarios
- Ensured high performance and rapid page rendering utilizing Next.js and React
- Developed the mobile app using React Native, Expo and Native Base, creating adaptive, reusable UI components for fast development
- Authored comprehensive documentation and performed rigorous Code Reviews, promoting high code quality and consistent coding standards
- Mentored team members, enforcing best practices and standardization throughout the development process
- Configured Continuous Integration (CI) processes to enhance stability
- Wrote integration tests with Cypress and unit tests with Jest, significantly reducing production issues and ensuring system reliability
- Initiated the project environment for web, backend and mobile applications, configured core services and selected the technological stack, ensuring flexibility and stability for future growth - Developed scalable APIs with Node.js and NestJS, enabling efficient service interactions - Implemented user authentication by integrating OAuth providers and external services - Built real-time chat functionalities for both mobile and web applications using WebSockets and GraphQL Subscriptions, providing instant message delivery and enhancing system responsiveness - Designed interactive "Journey Flows" with ReactFlow, empowering users to visually create and manage custom interaction scenarios - Ensured high performance and rapid page rendering utilizing Next.js and React - Developed the mobile app using React Native, Expo and Native Base, creating adaptive, reusable UI components for fast development - Authored comprehensive documentation and performed rigorous Code Reviews, promoting high code quality and consistent coding standards - Mentored team members, enforcing best practices and standardization throughout the development process - Configured Continuous Integration (CI) processes to enhance stability - Wrote integration tests with Cypress and unit tests with Jest, significantly reducing production issues and ensuring system reliability
Skills: JavaScript · TypeScript · NextJS · Node.js · Nest.js · GraphQL · Apollo · React Native · ReactJS · Expo · Native Base · Reactflow · Jest · Cypress · Figma
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Senior Full-Stack Developer at Devler.io
Javascript and Typescript
- Built the main website and admin panel using Next.js and TypeScript, ensuring an adaptive, performant and scalable architecture
- Developed UI based strictly on Figma designs, maintaining high fidelity and ensuring consistency across the platform
- Created reusable base UI components, significantly reducing development time and ensuring a unified design approach
- Collaborated closely with designers, QA engineers and stakeholders to align product outcomes with business requirements and quality standards
… - Integrated frontend and backend services, optimizing data exchange and performance
- Configured and utilized Strapi as a Headless CMS for static pages, blogs, articles and categories, enabling efficient content management and enhanced platform flexibility
- Implemented automated code quality checks within CI pipelines, maintaining high standards throughout the development lifecycle
- Integrated Google and LinkedIn Authentication to enable secure and convenient user access
- Improved platform performance by conducting analysis using Next.js build analytics and Lighthouse, achieving a 15% improvement in page load speeds
- Enhanced SEO through meticulous optimization of meta tags, URL structures, OpenGraph, Schema - Markup and content adjustments, resulting in a 70% increase in organic user acquisition
- Actively participated in team Code Reviews to uphold high-quality code standards, optimize architectural decisions and implement best development practices
- Built the main website and admin panel using Next.js and TypeScript, ensuring an adaptive, performant and scalable architecture - Developed UI based strictly on Figma designs, maintaining high fidelity and ensuring consistency across the platform - Created reusable base UI components, significantly reducing development time and ensuring a unified design approach - Collaborated closely with designers, QA engineers and stakeholders to align product outcomes with business requirements and quality standards - Integrated frontend and backend services, optimizing data exchange and performance - Configured and utilized Strapi as a Headless CMS for static pages, blogs, articles and categories, enabling efficient content management and enhanced platform flexibility - Implemented automated code quality checks within CI pipelines, maintaining high standards throughout the development lifecycle - Integrated Google and LinkedIn Authentication to enable secure and convenient user access - Improved platform performance by conducting analysis using Next.js build analytics and Lighthouse, achieving a 15% improvement in page load speeds - Enhanced SEO through meticulous optimization of meta tags, URL structures, OpenGraph, Schema - Markup and content adjustments, resulting in a 70% increase in organic user acquisition - Actively participated in team Code Reviews to uphold high-quality code standards, optimize architectural decisions and implement best development practices
Skills: JavaScript · TypeScript · NextJS · ReactJS · Node.js · Jest · Figma · Strapi · REST
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Front-end Engineer
Web ProgrammingVarious Projects:
- Developed functionality for dynamic family tree creation and visualization in native applications
- Built a responsive mobile application integrating Google Maps for event location and user registration, significantly improving user retention
- Designed intuitive subscription, donation, and investment interfaces, enabling dynamic engagement with charitable projects
… - Developed web and mobile applications focusing on UI/UX design, performance optimization and feature integration
- Utilized React and native technologies to create scalable, reusable UI components
- Actively participated in code reviews, enhancing development processes and ensuring high-quality standards
- Developed functionality for dynamic family tree creation and visualization in native applications - Built a responsive mobile application integrating Google Maps for event location and user registration, significantly improving user retention - Designed intuitive subscription, donation, and investment interfaces, enabling dynamic engagement with charitable projects - Developed web and mobile applications focusing on UI/UX design, performance optimization and feature integration - Utilized React and native technologies to create scalable, reusable UI components - Actively participated in code reviews, enhancing development processes and ensuring high-quality standards
Skills: React Native · ReactJS · JavaScript · TypeScript · Redux · Node.js · Figma · Mobx · GraphQL · REST
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Middle FE Engineer Middle FE Engineer
Javascript and TypescriptFront End Engineer
Reviews and compliments on completed projects 5
30 July 2018
34 USD
Realizing the logic of sending requests
Quality
Professionalism
Cost
Contactability
Deadlines
The task is done, thank you!!The !
We will contact again.
19 May 2017
17 USD
Доработка интернет магазина постельного белья
Quality
Professionalism
Cost
Contactability
Deadlines
Все на высшем уровне ! Все было сделано в течении нескольких часов ! Рекомендую всем, ответственный и честный исполнитель ! Так держать, готов еще сотрудничать ! Спасибо за оперативность и понимание ! Успехов !!!
Profile deleted
| Personal | Response review
10 April 2017
11 USD
Transfer of one page from html to Tilda
Quality
Professionalism
Cost
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Deadlines
Work done in good and timely, everything is fine.
7 April 2017
12 USD
Introduction of links to the WP website
Quality
Professionalism
Cost
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Deadlines
Thank you for your work, everything was done in good time and quality. I will contact again.
22 March 2017
7 USD
Download the originals for hosting
Quality
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Deadlines
A very good man, he approached the case very responsibly. He completed everything clearly and in time, even a little more than it was indicated in the TZ. I recommend to everyone.
Activity
| Latest proposals 10 | Budget | Added | Deadlines | Proposal | |
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Strapi, Astro.js - Edits on layout and admin panel
271 USD
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Help solve display issues in MapLibre
70 USD
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Creation of a bilingual version of the website
226 USD
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Realizing the logic of sending requests
34 USD
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Потрібен ReactJS розробник для проекту
2 USD
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Сделать что бы работала форма на landing
16 USD
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Разработчик на Javascript
1353 USD
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Create a framework for goods on the site
2 USD
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Фронт-энд на React.js, работа с API
383 USD
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Создание сайта на WordPress
180 USD
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