Logo
Renys – React, React Native, Typescript, experts in Lemon.io

Renys

From Dominican Republic

flag
Front-end Web DeveloperSenior
Mobile DeveloperSenior
Hire developer
7 years of commercial experience
Healthtech
Mental healthcare
Telecommunications
B2B
Leasing
Mobile apps
SaaS
Lemon.io stats

Renys – React, React Native, Typescript

All eyes are on Renys - a Senior Engineer with React.js and React Native, seamlessly combining a humble personality with a solid background. Throughout his 6 years of commercial experience in the industry, he has successfully contributed to such business areas as mental health, telecommunications, healthtech, SaaS among others.

'A valuable asset to any team, especially in a startup that values innovative problem-solving and technical growth' - that is the observation from our technical interviewer. Hence, no time to waste - let's schedule initial interview!

Main technologies
React
6 years
React Native
5 years
Typescript
5 years
Next.js
1 year
Additional skills
Node.js
Ready to start
ASAP
Direct hire
Potentially possible

Ready to get matched with vetted developers fast?
Let’s get started today!Hire developer

Experience Highlights

Senior React Native Developer
Oct 2023 - Jul 20248 months
Project Overview

This project was a corporate wellness app designed to promote employee health and team engagement through fitness challenges, event tracking, and educational resources.

Skeleton
Skeleton
Skeleton
Responsibilities:

Renys was responsible for the following:

  • led the development of a fitness tracking system using React Native and TypeScript;
  • integrated real-time progress tracking, colleague achievements, and fitness challenges;
  • developed a resource library offering videos on mental health, mindfulness, and more;
  • utilized Mixpanel for deep user insights and Firebase for handling push notifications;
  • implemented Apollo Client for efficient data management and used Sentry for performance monitoring and error tracking.
Project Tech stack:
React Native
Firebase
Sentry
Apollo Client
Mixpanel
Typescript
CTV Developer
Jun 2023 - Jun 20241 year
Project Overview

The client was a leading news provider across the US and globally, offering live video and real-time updates. It featured customizable news categories, live streaming, and exclusive programs. The app targeted users seeking up-to-date information across various topics, including politics, business, and entertainment. Suitable for news enthusiasts who want a comprehensive and mobile-friendly source for current events.

Skeleton
Skeleton
Skeleton
Responsibilities:

Renys' main responsibilities included the following:

  • developed front-end components to visualize the race for the upcoming United States elections;
  • enhanced and developed features for TV applications using React Native and LightningJS, improving the user interface and accessibility on various media platforms.
Project Tech stack:
React Native
Typescript
Senior Full-Stack Developer
Mar 2021 - Oct 20232 years 7 months
Project Overview

The client was a UAE-based platform for booking certified personal trainers and wellness professionals, covering fitness training, yoga, boxing, swimming, massage, and nutrition services. It targeted users in Dubai, Abu Dhabi, and Sharjah seeking flexible, on-demand personal training. Suitable for individuals looking for comprehensive fitness and wellness support at their preferred location.

Skeleton
Skeleton
Skeleton
Responsibilities:

Among others, Renys has successfully worked on the following tasks:

  • architected and led the development of a new mobile application using React Native, transforming an existing app to improve functionality and user experience for booking personal trainers;
  • designed and implemented core features using React Native, including user profiles, service bookings, and trainer matching;
  • integrated in-app payments and managed the deployment of the app on both iOS and Android stores;
  • worked closely with the client to continuously enhance and iterate on the product, addressing user feedback and improving the overall user experience.
Project Tech stack:
React
React Native
Firebase
Node.js
OneSignal
Sentry
React Developer
Dec 2021 - Dec 20221 year
Project Overview

The project was a platform designed to simplify the vehicle lease-end process, offering users a streamlined interface for managing lease returns, buyouts, and extensions.

Skeleton
Skeleton
Skeleton
Responsibilities:

Renys' contributions included such tasks as:

  • collaborated closely with the client to fix critical issues in LeaseEnd’s web application, focusing on improving performance and resolving UI/UX inconsistencies;
  • refactored legacy code and implemented new features using React and TypeScript to ensure seamless integration of new functionalities;
  • enhanced application responsiveness and accessibility, ensuring a more user-friendly experience for customers navigating the lease-end process.
Project Tech stack:
React
React Native
Supabase
Firebase
MongoDB

Education

2022
Computer Science Engineering
Engineer

Languages

English
Advanced

Hire Renys or someone with similar qualifications in days
All developers are ready for interview and are are just waiting for your requestPlace a free quotedream dev illustration
Copyright © 2024 lemon.io. All rights reserved.