250 Best Back End JavaScript Freelance Contractor Developers For Hire In June 2024

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selected:
Back End [ x ] JavaScript [ x ] freelance [ x ] contractor [ x ]
framework:
+ Node JS (229) + React JS (219) + Express JS (187) + Sencha Ext JS (145) + Next JS (143) + jQuery (127) + Vue JS (80) + Angular JS (75)
language:
+ TypeScript (205) + Vanilla JS (192) + Python (132) + PHP (84) + Java (74) + C# (42) + C++ (33) + C (28)
utility:
+ JSON (193) + Three JS (51) + GraphQL JS (38) + Redux JS (35) + Jest JS (30)
ui:
+ CSS (145) + EJS (78) + Tailwind CSS (46) + bootstrap (38) + SASS (25)
career:
+ Junior (135) + Mid Level (109) + Senior (109) + Manager (40) + CTO (27)
stack:
+ Full Stack (240) + Front End (226)
db:
+ MongoDB (164) + SQL (163) + MySQL (83) + Postgres (PostgreSQL) (79) + Redis (25)
server:
+ AWS (74) + docker (69) + Linux (29) + Google Cloud (21) + AWS S3 (16)
program:
+ Git (179) + Jira (62) + GitHub (40) + Figma (30) + Postman (14)
concept:
+ HTML (134) + software (108) + OOP (86) + api (66) + mobile app (66)
speaking:
+ Spanish (31) + Hindi (23) + Portuguese (16) + Russian (12) + French (8)
worker type:
+ full time (223)
us state:
+ California (20) + New York (19) + Texas (9) + Florida (8) + Colorado (6) + Illinois (6)
country:
+ United States (114) + Canada (25) + India (18) + Brazil (12) + United Kingdom (6)
country region:
+ North America (142) + Asia (32) + South Asia (24) + Europe (19) + Eastern Europe (17)

Featured Back End JavaScript Freelance Contractor Developers

241 to 250 of 250 devs ( view all 1409 devs )

Back-end Developer

Rasht, guilan, Iran or remote

Pezhvak.co May. 2021 - April. 2022 Backend Engineer ▪ Architected and co-lead the transition from monolith to a microservice architecture. ▪...

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Web Developer

Chertsey, Surrey, United Kingdom or remote

A Preventative Measure Against Online Scams: • React.js web application used to collect data submitted by users and store into a real-time...

Back End JavaScript freelance contractor react node mongodb

Full stack Web Developer

Multan, Punjab, Pakistan or remote

CTO Gmbh * developed pixel perfect UI with mobile first approach, flow management and API integration using Vue and Nuxt. * Implemented i18n...

Back End JavaScript freelance contractor react typescript vue jquery

Web Engineer

Skopje, Skopje, Macedonia or remote

Technical Support Developer - Vretta Inc • Provided Technical Support for multiple Educational platforms such as: intromath.ca,...

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Fullstack Web Developer

João Pessoa, PB, Brazil or remote

I already worked to digital banks such as C6 and international companies such as Guru, working as a fullstack web developer. I also have 2 years of...

Back End JavaScript freelance contractor react node typescript jquery

Software Engineer

Targoviste, Romania or remote

I worked on a fund management system and on some e-comerce...

Back End JavaScript freelance contractor react typescript vue jquery

Full Stack Developer

Sambhaji Nagar, Maharashtra, India or remote

As a Full Stack Developer, I have successfully crafted a diverse range of applications, including an innovative e-commerce platform and an engaging...

Back End JavaScript freelance contractor react node typescript jquery

Software Developer

Rio de Janeiro, RJ, Brazil or remote

Experience in personal projects and programming challenges...

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junior developer

Kocaeli, Turkey or remote

I completed a 6-month full-stack web developer training program during which I worked on 45 front-end projects. I used React and related libraries in...

Back End JavaScript freelance contractor react mongodb json

volunteer work

mzuzu, Malawi or remote

Worked with alot of people and i do dream to work with you...

Back End JavaScript freelance contractor react node typescript vanilla js
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1,409 JS Contractors By Tech

JS Frameworks & Libraries
Alpine JS developers (44)
Angular JS developers (320)
Astro JS developers (20)
Backbone JS developers (40)
Bun JS developers (19)
D3 JS developers (160)
Electron JS developers (19)
Ember JS developers (38)
Expo JS developers (14)
Express JS developers (849)
Fastify JS developers (8)
Ionic developers (21)
jQuery developers (555)
Meteor JS developers (25)
Mithril JS developers (5)
Nest JS developers (72)
Next JS developers (797)
Node JS developers (1112)
Nuxt JS developers (33)
React JS developers (1243)
React Native developers (141)
Sanity JS developers (10)
Sencha Ext JS developers (797)
Strapi JS developers (9)
Svelte JS developers (180)
TanStack JS developers (5)
Vue JS developers (387)
JS/TS Languages
JavaScript developers (954)
JS es6 developers (40)
TypeScript developers (1076)
Vanilla JS developers (992)
Tech Stacks
Back End developers (667)
Front End developers (1166)
Full Stack developers (1035)
LAMP stack developers (6)
MEAN stack developers (5)
MERN stack developers (22)
JS Utilities
Apollo GraphQL developers (36)
Axios JS developers (16)
Babel JS developers (14)
Chai JS developers (37)
Chart JS developers (5)
Cypress JS developers (54)
Dojo JS developers (7)
Enzyme JS developers (12)
ESlint JS developers (11)
Ether JS developers (16)
Framer Motion developers (12)
Gatsby JS developers (21)
GraphQL JS developers (172)
Grunt JS developers (10)
GSAP JS developers (9)
Gulp JS developers (16)
Handlebars JS developers (10)
Highcharts JS developers (6)
InfoVis JS developers (7)
Jasmine JS developers (15)
Jest JS developers (163)
JSON developers (972)
JSX developers (10)
JWT developers (25)
Knockout JS developers (5)
MobX JS developers (7)
Mocha JS developers (27)
Mongoose JS developers (27)
NextAuth JS developers (5)
NgRx JS developers (10)
Polymer JS developers (21)
Puppeteer JS developers (11)
React Hook Form developers (8)
React Query JS developers (24)
React Router developers (17)
Recoil JS developers (6)
Redux JS developers (214)
Redux Saga JS developers (9)
Redux Toolkit developers (18)
Remix JS developers (13)
RxJs developers (19)
Socket.IO JS developers (19)
SvelteKit JS developers (18)
Tensorflow JS developers (10)
Three JS developers (187)
Turbo JS developers (6)
Vite JS developers (60)
Vitest JS developers (16)
Vuetify JS developers (8)
Vuex JS developers (10)
Webpack JS developers (97)
JS UI/UX
Ant Design JS developers (9)
EJS developers (336)
Emotion JS developers (6)
Lit JS developers (80)
MUI JS developers (18)
Pixi JS developers (25)
Pug JS developers (10)
Storybook JS developers (36)
JS Databases & Servers
MongoDB developers (736)
Sequelize JS developers (17)
Vercel developers (35)
Zod TS developers (8)
Career Level
CTO developers (64)
Junior developers (705)
Manager developers (127)
Mid Level developers (655)
Senior developers (538)
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