143 Best React JS Sencha Ext JSON MySQL SQL Developers For Hire In April 2025

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selected:

React JS [ x ] Sencha Ext JS [ x ] JSON [ x ] MySQL [ x ] SQL [ x ]

framework:

+ Next JS (142) + Node JS (142) + Express JS (122) + jQuery (85) + Vue JS (63) + Angular JS (54) + React Native (31) + D3 JS (28)

language:

+ TypeScript (132) + JavaScript (115) + Vanilla JS (107) + Python (77) + PHP (53) + Java (39) + C# (24) + C++ (17)

utility:

+ Redux JS (41) + Jest JS (36) + GraphQL JS (35) + Three JS (35) + Webpack JS (20)

ui:

+ CSS (100) + EJS (56) + Tailwind CSS (48) + bootstrap (33) + Lit JS (22)

career:

+ Senior (76) + Junior (66) + Mid Level (66) + Manager (20) + CTO (13)

stack:

+ Full Stack (132) + Front End (126) + Back End (104)

db:

+ MongoDB (118) + Postgres (PostgreSQL) (76) + Firebase (21) + Redis (18) + SQLite (15) + NoSQL (14) + Microsoft SQL (11) + DynamoDB (9) + Firestore (5)

server:

+ AWS (76) + docker (63) + Linux (26) + Google Cloud (25) + Amazon SES (20)

program:

+ Git (115) + Jira (46) + GitHub (31) + Figma (22) + Prisma (20)

concept:

+ HTML (81) + software (56) + api (48) + Rest API (48) + OOP (43)

speaking:

+ Spanish (16) + Hindi (13) + Russian (7) + French (6) + Portuguese (6)

worker type:

+ full time (130) + contractor (113) + freelance (102)

us state:

+ California (14) + New York (7) + Florida (6)

country:

+ United States (67) + Canada (14) + India (7) + Brazil (5)

country region:

+ North America (83) + Asia (16) + Eastern Europe (14) + Europe (14) + South Asia (11) + South America (8) + Western Europe (6)

Filters:

selected:

React JS [ x ] Sencha Ext JS [ x ] JSON [ x ] MySQL [ x ] SQL [ x ]

framework:

+ Next JS (142) + Node JS (142) + Express JS (122) + jQuery (85) + Vue JS (63) + Angular JS (54) + React Native (31) + D3 JS (28)

language:

+ TypeScript (132) + JavaScript (115) + Vanilla JS (107) + Python (77) + PHP (53) + Java (39) + C# (24) + C++ (17)

utility:

+ Redux JS (41) + Jest JS (36) + GraphQL JS (35) + Three JS (35) + Webpack JS (20)

ui:

+ CSS (100) + EJS (56) + Tailwind CSS (48) + bootstrap (33) + Lit JS (22)

career:

+ Senior (76) + Junior (66) + Mid Level (66) + Manager (20) + CTO (13)

stack:

+ Full Stack (132) + Front End (126) + Back End (104)

db:

+ MongoDB (118) + Postgres (PostgreSQL) (76) + Firebase (21) + Redis (18) + SQLite (15) + NoSQL (14) + Microsoft SQL (11) + DynamoDB (9) + Firestore (5)

server:

+ AWS (76) + docker (63) + Linux (26) + Google Cloud (25) + Amazon SES (20)

program:

+ Git (115) + Jira (46) + GitHub (31) + Figma (22) + Prisma (20)

concept:

+ HTML (81) + software (56) + api (48) + Rest API (48) + OOP (43)

speaking:

+ Spanish (16) + Hindi (13) + Russian (7) + French (6) + Portuguese (6)

worker type:

+ full time (130) + contractor (113) + freelance (102)

us state:

+ California (14) + New York (7) + Florida (6)

country:

+ United States (67) + Canada (14) + India (7) + Brazil (5)

country region:

+ North America (83) + Asia (16) + Eastern Europe (14) + Europe (14) + South Asia (11) + South America (8) + Western Europe (6)

Timezone:

(includes +1/-1 hour)

Featured React JS Sencha Ext JSON MySQL SQL Developers

101 to 120 of 143 devs ( view all 1625 devs )

Freelance Fullstack Developer

Santo Domingo, Dominican Republic or remote

- Rebuilt all core processes of a warehouse company web app, improving the communication and permanence of their customers in the app. - Built a...

React JS Sencha Ext JS JSON MySQL SQL react node typescript angular

Frontend developer | React

Wroclaw, Poland or remote

Projects 🛒 Large Marketplace with Next.js Developed a comprehensive marketplace where users can: Register and login 🔑 Browse and purchase...

React JS Sencha Ext JS JSON MySQL SQL react node typescript vanilla js

CTO / FullStack Developer

Tbilisi, Georgia or remote

Usually, I build MERN stack (MongoDB, Express, React, Node) + nextjs, koajs, AWS, and MySQL applications. I have advanced knowledge and experience in...

React JS Sencha Ext JS JSON MySQL SQL react node jquery vanilla js

Middle FullStack Developer

Chisinau, Moldova or remote

Hello! I'm Cristian, a dedicated middle developer wanting to level-up 🚀 At the moment I'm working on various Fintech projects for the biggests...

React JS Sencha Ext JS JSON MySQL SQL react node typescript jquery

Full Stack Developer

Buenos Aires, CABA, Argentina Republic or remote

Hey! I'm Manuel, a full-stack developer from Argentina. I focus on two things, fast pace of development and results. I like to ship fast and often. I...

React JS Sencha Ext JS JSON MySQL SQL react node typescript nextjs

Javascript Frontend Engineer

Singapore, Singapore or remote

Enabled food and grocery delivery services on a corporate b2b level and delivered on the company’s biggest web architecture revamp, improving...

React JS Sencha Ext JS JSON MySQL SQL react node typescript jquery

Full Stack Developer - 25+ Years

Penetanguishene, Ontario, Canada or remote

Creating project with JavaScript for over 25 years. IOU Snack debt tracker that was used at several companies. A ecommerce site for Scotia Bank to...

React JS Sencha Ext JS JSON MySQL SQL react node typescript angular

Frontend Developer

Kaiserslautern, Germany or remote

B4VALUE.NET Grünstadt, Germany Working Student Software Developer November 2022 – Feb 2025 • Improved code coverage from 40% to 75%+ by...

React JS Sencha Ext JS JSON MySQL SQL react node typescript jquery

Frontend Developer

Fes, Fes-Meknes, Morocco or remote

I worked on MVPs within fast paced startups using MERN as a main stack and then I switched from React to Angular. I helped make reusable components...

React JS Sencha Ext JS JSON MySQL SQL react node typescript angular

Full Stack Software Engineer

Thrissur, Kerala, India or remote

Computer Science Engineer that's been involved with developing websites and solving problems related to software since 2016. Positions Held: -...

React JS Sencha Ext JS JSON MySQL SQL react node typescript angular

Front end developer

CANTERBURY, United Kingdom or remote

UK Esports Fantasy (Commissioned project) ● Implemented ISR (Incremental Static Regeneration) to improve page responsiveness and server stress...

React JS Sencha Ext JS JSON MySQL SQL react node typescript vanilla js

Full Stack Developer

Pelotas, RS, Brazil or remote

I started my journey in programming by developing a few games and mods for fun/learning, then moved to web apps. I've worked with both front end...

React JS Sencha Ext JS JSON MySQL SQL react node typescript vue

Full Stack Engineer

Denver, Colorado, US or remote

Audacy (current): - Architected a login ecosystem to migrate 100k+ users to AWS Cognito (Lambda, SSO), serving as a blueprint for subsequent...

React JS Sencha Ext JS JSON MySQL SQL react node typescript jquery

Software Engineer

Lahore, Punjab, Pakistan or remote

I am an experienced Full Stack software engineer with in-depth skills in frontend technologies and frameworks (ReactJS, NextJS, Angular, Typescript,...

React JS Sencha Ext JS JSON MySQL SQL react node typescript angular

Front End Developer

Ambon, Maluku, Indonesia

Full stack Social Media App - Developed and launched a social media app using Next Js, which increased user engagement by 25% and reduced...

React JS Sencha Ext JS JSON MySQL SQL react node typescript vanilla js

Expert & experienced Front-End Developer: Crafting Dynamic and User-Friendly

Ikorodu, Lagos, Nigeria or remote

I am a skilled and experienced web developer with over 5 years of experience in the IT sector. I am also skilled at working with frameworks such as...

React JS Sencha Ext JS JSON MySQL SQL react node typescript vue

Software Engineer

Cluj-Napoca, Cluj, Romania or remote

Moodvie Full Stack Developer • Independently built an open-source web application called Moodvie, which recommends movies based on the user’s...

React JS Sencha Ext JS JSON MySQL SQL react node typescript vanilla js

React.js Front-End/Full-Stack Developer

St.Pölten, Lower Austria, Austria or remote

- Founder / Full-Stack Developer - May 2023 - June 2024 @ gym-and-more.at ❑ Utilized server-side rendering and dynamically loaded client...

React JS Sencha Ext JS JSON MySQL SQL react node typescript nextjs

Senior Software Engineer

Fremont, California, US or remote

Senior Software Engineer ● Developed secure and reliable self-serve pages by integrating with external services like Stripe and Chargebee to...

React JS Sencha Ext JS JSON MySQL SQL react node typescript vanilla js

Junior Frontend Developer

Chios, Northern Aegean, Greece or remote

- Worked as a Junior Frontend Developer at Contractuo, Venlo Netherlands, where I focused on enhancing the user experience and functionality of the...

React JS Sencha Ext JS JSON MySQL SQL react node typescript vue