Senior react.js Developer Wanted for Health App

I am looking for an senior front-end developer to help our team of 5 developers develop our health application.

I want an progressive web app which aims to help people live healthier lives. Be it by eating healthier foods or working out more regularly.

Your main tasks will be:

- Refactoring existing code to improve speed and efficiency

- Implementation of new features or redesigns of pages

Tech stack is:

- react.js

- Webpack/ NPM / Gulp

- AWS (Codecommit, EC2, Redis, etc...)

- Yii2 backend

- MongoDB

- Confluence for documentation

- Telegram for dev team communication

- Trello for task management

Base requirements:

- 5+ years knowledge with Javascript and other frontend technologies

- 4+ years of production experience with react.js

- Deep knowledge of CSS and SASS

- Has a deep interest in the latest technologies used for web development, especially in the frontend side of it.

To sum it up: Looking for Senior level react.js developer who is able to refactor code and suggest better solutions than what having now.

Looking for someone who is able to work 40hrs a week at European timezone. Starting at 9am GMT Mon-Fri

Provide me your past link for React js web applications or recent work in your proposal.

Skills: Node.js, NoSQL Couch & Mongo, Express JS, React.js, AngularJS

See more: find offshore react js developer, full stack react js developer in india, react js developer belgium freelance, react js developer berlin, react js developer freelancer, react js developer hire, react js developer jobs in amsterdam, react js developer jobs, react js developer job description, react js developer resume, react js developer salary, react js developer salary in india, hire react js developer, react js developer skills, what is react js developer, senior node js developer, senior react js developer salary, senior react.js developer job description, senior react js developer

About the Employer:
( 0 reviews ) Los Angeles, United States

Project ID: #28358855

48 freelancers are bidding on average $34/hour for this job

(62 Reviews)
(27 Reviews)
(232 Reviews)
(16 Reviews)

Hi there, I have senior React.js front-end developer and expertise skills are Angular js , React.js, Redux, TypeScript, Node js , API, MVC , MYSQL, MongoDB , HTML , CSS , Bootstrap, GitHub, Jira, etc . For 6+ year More

$25 USD / hour
(6 Reviews)

Hello, I went through your project brief and I can handle it efficiently. I have 4+ years of experience with Reactjs including Redux Saga, Nextjs, React bootstrap, Rebass etc. I can work on your requirement efficient More

$32 USD / hour
(6 Reviews)
(34 Reviews)

Hello boersen1980,   We have 20 years of strong experience in NoSQL Couch & Mongo, Node.js, Express JS, AngularJS, React.js, as a result, we can successfully complete this project.   Please, review our profile here: ht More

$25 USD / hour
(8 Reviews)

Hi ✅6+ years of full-time experience in Node.js & React.js ✅Upwork Top 10 Certification for Node.js ✅Guaranteed Results Policy: Pay only if you are happy with the results ✅Excellent communication and flexible availabil More

$38 USD / hour
(18 Reviews)
(5 Reviews)

We are a Ukrainian software development company that employs several passionate engineers. Our main focus is scientific software, but we also do web and mobile development. In the last few years we have completed man More

$25 USD / hour
(1 Review)

Hi, I have gone through the job details and understand that you are looking for an experienced React.JS developer. As per the required skills set mentioned in the Job Description, we feel ourself perfect fit for this More

$38 USD / hour
(3 Reviews)

Hello , Warm greetings from Osiz technologies , we have 10+ years of experience in website development , mobile application and block chain technology. Requirement : You are looking for a senior front-end developer More

$50 USD / hour
(7 Reviews)

Hi, there! I saw your requirements and I am very interested in your project. Your project is a piece of cake for me. I am a Laravel, Vue, MEAN, MERN expert. I have rich experience in website design and building by Lara More

$35 USD / hour
(14 Reviews)

I have more than 7 years of experience in react.js and react native. My core skills are React: 10/8, Redux(both thunk & saga): 10/8, Styled components: 10/7, API integration: 10/9, Graphql: 10/7, node: 10/8, React Nati More

$40 USD / hour
(17 Reviews)

Hello, I am backed by a strong team of skillful and proficient front-end REACT developers with hands-on experience developing apps for the Music Industry, Crowdsourcing Apps, Inventory Management tools, PLM (process l More

$25 USD / hour
(2 Reviews)

Hi, I am an expereienced web developer. I can deliver your project in shortest time and successfully. My skills are as following - Frontend AngularJS, Angular, ReactJS, VueJS, ExtJs - Backend PHP, NodeJS, Python - More

$38 USD / hour
(9 Reviews)

Hi there, I have already created a 'Health App' for 1 of my client. Please drop me a message so that I can show you the demo that app. I'm a veteran Reactjs developer having more than 7+ years experience with hands More

$30 USD / hour
(10 Reviews)

Hi, I have rich experiences in the skills you want except for only Yii2, But I can master it soon, if you need it. I am attaching some links of my past works. [login to view URL] (React.js + Node.js + MySQL, Three. More

$30 USD / hour
(13 Reviews)

Hey, Pretty good at developing web apps in Angular 2+. Experienced in domains like SaaS, Identity+Privacy+Security, AdTech+IoT, Construction, Real-estate, Non-profit, Social Platform, Recruitment, Healthcare, etc. Wo More

$50 USD / hour
(6 Reviews)