Yuri – React, Angular, JavaScript, experts in Lemon.io

Yuri

From Ukraine (UTC+3)flag

Front-end Web Developer|Senior
Mobile Developer|Senior
Lemon.io stats
1
projects done
3072
hours worked

Yuri – React, Angular, JavaScript

Yuri is a Senior Front-end Developer and Chief Technology Officer (CTO) with a proven track record of proficiency in various frameworks and design tools. He demonstrates exceptional expertise in React and React Native, showcasing a robust skill set that aligns with cutting-edge web development practices.

13 years of commercial experience in
Accounting
Communications
Consulting services
Data analytics
E-commerce
Edtech
Environmental services
Fintech
Job and career services
Music and audio
Photography
Social services
Sports
CMS
Enterprise software
Mobile apps
Platforms
SaaS
Video streaming software
Gaming software
Main technologies
React
1 year
Angular
1 year
JavaScript
1 year
Typescript
1 year
React Native
1 year
MongoDB
1 year
Vue.js
1 year
Redux
1 year
Node.js
1 year
Express.js
1 year
Next.js
1 year
AWS
1 year
GraphQL
1 year
Additional skills
MySQL
CI/CD
UI/UX
Figma
CSS
Styled-components
Electron.js
Storybook
Jest
Vuex
Sanity
Expo
shadcn
Glide
PHP
Bootstrap
Rewards and achievements
Client's favourite
Swift communicator
Direct hire
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Experience Highlights

Senior Front-end Developer
Jun 2021 - Nov 20243 years 5 months
Project Overview

Introducing a platform for your community that makes polls, surveys, and newsletters more human. Safe enough for official voting and flexible for fast announcements, this is your go-to platform for community engagement.

As a developer, Yuri worked on this project two times. The first MVP version was started in 2021 and was released in the App store / Play market. After some time, it was decided to change the UI and make full refactoring of the frontend and backend.

Responsibilities:
  • Led the front-end development team, overseeing code quality and project timelines.
  • Collaborated with backend developers to ensure seamless integration and functionality.
  • Conducted thorough testing and debugging to maintain high standards of app reliability and security.
  • Engaged in regular code reviews, providing mentorship, and fostering a collaborative development environment.
  • Ensured the app's compliance with best practices and industry standards, focusing on security and performance.

Accomplishments:

  • Led the development of a community engagement platform using React Native, enhancing user interaction and experience.
  • Implemented state management with Zustand, ensuring smooth and efficient app performance.
  • Integrated AWS AppSync and Amplify for real-time data synchronization and robust backend services.
  • Leveraged GraphQL to optimize data fetching, reducing load times and improving app responsiveness.
  • Utilized ExpoJS for rapid development and deployment, significantly decreasing time-to-market.
Project Tech stack:
React Native
Zustand
AWS AppSync
Amplify
ExpoJS
Tamagui
GraphQL
Typescript
Solution Architect / Senior Full-stack Developer
Feb 2023 - Aug 20236 months
Project Overview

This is some sort of smart calculator of savings/insurance/budgets and expenses. The app provides auto advice on how to grow savings. If users follow the advice, they will earn bonus points.

Responsibilities:
  • Led the full-stack development team, guiding architectural decisions and ensuring alignment with project goals.
  • Designed and implemented scalable and maintainable front-end and back-end solutions, adhering to best practices and industry standards.
  • Coordinated with cross-functional teams to ensure seamless data flow and integration.
  • Conducted extensive code reviews and testing, ensuring high-quality deliverables and robust app performance.
  • Provided technical mentorship and training to junior developers, fostering a collaborative and growth-oriented development environment.
  • Continuously monitored and optimized app performance, focusing on user experience and satisfaction.

Accomplishments:

  • Architected and developed the Hayah smart calculator app, revolutionizing savings, insurance, and budget management.
  • Integrated advanced auto-advice algorithms to provide users with personalized financial growth strategies.
  • Implemented React Native and ExpoJS for seamless cross-platform performance, ensuring a consistent user experience.
  • Utilized TypeScript to enhance code quality, maintainability, and overall project robustness.
  • Implemented AWS Amplify for both frontend and backend services, ensuring efficient data storage, synchronization, and serverless functions.
  • Employed MotiJS for fluid animations and Redux for state management, enhancing app responsiveness and interactivity.
  • Integrated Lottie animations for a visually engaging user interface, boosting user engagement and satisfaction.
Project Tech stack:
React Native
Typescript
AWS
Amplify
Datastore
Expo
Moti
Redux
lottie
Senior Front-end Developer / Solution Architect
May 2022 - Jul 20231 year 2 months
Project Overview

This company is dedicated to empowering mid-sized businesses across various industries. The site was designed to effectively communicate the company's mission of helping companies realize their full potential and create significant value. This project involved integrating dynamic features to enhance user experience and ensuring the site was optimized for performance and scalability.

Responsibilities:
  • Got acquainted with a new service, Sanity.
  • Refactored the whole website and re-designed its components.
  • Set up Sanity.
  • Customized Sanity per requirements.
Project Tech stack:
React
Next.js
Sanity
Zustand
Senior Front-end Developer
Feb 2022 - May 20223 months
Project Overview

This is a tool that helps with emissions measurement and reporting, powered by accredited technology.

Responsibilities:
  • Led the development of the Pledge.io website, ensuring a seamless and dynamic user experience.
  • Implemented interactive and responsive design using Next.JS, React, and Gsap.
  • Integrated Hubspot for efficient marketing automation and customer relationship management.
  • Utilized TypeScript for robust and maintainable code, enhancing the overall stability of the project.
  • Developed and managed content with Storyblok, streamlining content updates and maintenance.
  • Collaborated closely with designers and back-end developers to align on project goals and deliver high-quality results.
  • Ensured optimal performance, scalability, and cross-browser compatibility of the site.
Project Tech stack:
Next.js
React
Hubspot
Gsap
Typescript
Storyblok
Front-end developer
Apr 2020 - Jul 20203 months
Project Overview

This service provides live stream presentations with scheduled chained agenda.

Responsibilities:
  • Customized the core functions.
  • Implemented UI changes.
  • Added restrictions for viewer users.
  • Created main logic of dynamic agenda that updated by timing.
Project Tech stack:
React
Redux
React Native
Electron
Styled-components
Front-end Developer
Mar 2020 - Jun 20203 months
Project Overview

This SaaS service provides the ability for photo studios and photographers to manage their photos and products and easily communicate and take feedback from the end customers. The service is divided into 3 projects. Photographers CRM/ end customers (PWA app progressive web app) gallery application and API cloud service. Photographers' CRM has a lot of features that make their lives easy. It includes creating and managing galleries and photos. (Gallery different layouts. Watermarks. Statistics. Marketing campaign. Custom email sending and other useful features.) The end customer PWA app allows viewing the gallery/selecting photos/giving feedback, and sharing. Also, there is an integrated product shop with photo products, for example, photo boxes or paint by user photo

Responsibilities:
  • Provided solution architecting (full refactoring of previous architecture).
  • Developed the entire application (Android/IOS).
  • Integrated payment system(PayPal).
  • Wrote documentation.
  • Integrated third-party solutions.
Project Tech stack:
React Native
Redux
Redux Saga
Reselect
i18next
Typescript
Styled-components
Express.js
Node.js
Bootstrap
Front-end developer
Sep 2019 - Mar 20206 months
Project Overview

This is the official portal. It used a custom CMS system with more than 1000 pages now. We developed a component pattern library for CMS with full testing and provided full Website Accessibility as it was the main requirement.

Responsibilities:
  • Performed unit testing
  • Provided some custom solution
  • Integrated third-party solutions
Project Tech stack:
Vue.js
PostCSS
Storybook
Jest
Chai
Sinon
Front-end Developer
May 2018 - Apr 201910 months
Project Overview

This is an official app of Major League Soccer that keeps you connected with the latest soccer news, schedules, match highlights, real-time video, live scores, and standings. Another cool integration is a F2F Fantasy game where user can build their dream team and compete with each other. The fantasy game was integrated in-app as a standalone module and can be developed as a separate app without impacting to the main app.

Responsibilities:
  • Provided solution architecting of Fantasy game module.
  • Developed Fantasy game gameplay logic.
  • Acted as a team lead for 2 FE devs.
  • Implemented micro-interaction animations for the main app.
  • Created layout animations.
Project Tech stack:
React Native
Redux
Reselect
PHP

Education

2014
Computer science
Master’s

Languages

English
Advanced

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