447 Best Front End JavaScript JSON Contractor Full Time Developers For Hire In September 2025

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selected:

Front End [ x ] JavaScript [ x ] JSON [ x ] contractor [ x ] full time [ x ]

framework:

+ React JS (422) + Node JS (390) + Express JS (308) + Sencha Ext JS (300) + Next JS (299) + jQuery (218) + Vue JS (144) + Angular JS (118)

language:

+ TypeScript (382) + Vanilla JS (349) + Python (194) + PHP (112) + Java (103) + C# (61) + C++ (43) + C (35)

utility:

+ Redux JS (103) + GraphQL JS (82) + Jest JS (81) + Three JS (78) + Webpack JS (50)

ui:

+ CSS (315) + EJS (128) + Tailwind CSS (124) + bootstrap (84) + SASS (83)

career:

+ Junior (251) + Mid Level (222) + Senior (176) + Manager (43) + CTO (24)

stack:

+ Full Stack (333) + Back End (247) + MERN stack (10)

db:

+ MongoDB (276) + SQL (246) + MySQL (119) + Postgres (PostgreSQL) (118) + Firebase (47)

server:

+ AWS (107) + docker (93) + Linux (51) + Google Cloud (29) + Amazon SES (24)

program:

+ Git (347) + Jira (133) + GitHub (105) + Figma (63) + VS Code (35)

concept:

+ HTML (290) + OOP (155) + software (137) + api (124) + mobile app (105)

speaking:

+ English (446) + Spanish (53) + Hindi (32) + French (26) + Portuguese (20)

worker type:

+ freelance (339)

us state:

+ California (46) + New York (20) + Texas (20) + Florida (16) + Illinois (10)

country:

+ United States (221) + Canada (43) + India (25) + Brazil (14) + United Kingdom (12)

country region:

+ North America (268) + Asia (47) + South Asia (37) + Europe (31) + Eastern Europe (27)

Filters:

selected:

Front End [ x ] JavaScript [ x ] JSON [ x ] contractor [ x ] full time [ x ]

framework:

+ React JS (422) + Node JS (390) + Express JS (308) + Sencha Ext JS (300) + Next JS (299) + jQuery (218) + Vue JS (144) + Angular JS (118)

language:

+ TypeScript (382) + Vanilla JS (349) + Python (194) + PHP (112) + Java (103) + C# (61) + C++ (43) + C (35)

utility:

+ Redux JS (103) + GraphQL JS (82) + Jest JS (81) + Three JS (78) + Webpack JS (50)

ui:

+ CSS (315) + EJS (128) + Tailwind CSS (124) + bootstrap (84) + SASS (83)

career:

+ Junior (251) + Mid Level (222) + Senior (176) + Manager (43) + CTO (24)

stack:

+ Full Stack (333) + Back End (247) + MERN stack (10)

db:

+ MongoDB (276) + SQL (246) + MySQL (119) + Postgres (PostgreSQL) (118) + Firebase (47)

server:

+ AWS (107) + docker (93) + Linux (51) + Google Cloud (29) + Amazon SES (24)

program:

+ Git (347) + Jira (133) + GitHub (105) + Figma (63) + VS Code (35)

concept:

+ HTML (290) + OOP (155) + software (137) + api (124) + mobile app (105)

speaking:

+ English (446) + Spanish (53) + Hindi (32) + French (26) + Portuguese (20)

worker type:

+ freelance (339)

us state:

+ California (46) + New York (20) + Texas (20) + Florida (16) + Illinois (10)

country:

+ United States (221) + Canada (43) + India (25) + Brazil (14) + United Kingdom (12)

country region:

+ North America (268) + Asia (47) + South Asia (37) + Europe (31) + Eastern Europe (27)

Timezone:

(includes +1/-1 hour)

Featured Front End JavaScript JSON Contractor Full Time Developers

61 to 80 of 447 devs ( view all 1674 devs )

FullStack - React / TypeScript / C#

London, United Kingdom or remote

# Arteasy - Full Stack Developer (Feb 2023 - Nov 2023 · 10 mos) - The character customization feature based on the elements chosen by the user is...

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Senior Software Engineer

Vancouver, BRITISH COLUMBIA, Canada or remote

• Led the development, analysis, debugging, and testing of 11 microservice applications using .NET Framework, C#, ASP.NET, and other cutting-edge...

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Senior FE engineer

Cambridge, United Kingdom or remote

Monorepo with React-based web applications for UK mobile virtual network operator with more than 1M customers. • Directed a team of 8...

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Frontend / Mobile Engineer

Teresina, Piauí, Brazil or remote

At Loft I was working at startup Nomah, and I'm involved in building three front-end applications. A website for lead and guest acquisition channel,...

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Web Developer & Project Manager

Karpoš Municipality, Skopski, Macedonia or remote

New Media Designer, and Project Manager in various advertising projects. Particularly interested in creating a whole new world of ideas and realizing...

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Freelance Web Developer

Raleigh, North Carolina, US or remote

Hi, I'm Andrew, a Freelance Full Stack Developer, Creator, and Entrepreneur based in Raleigh, NC. I'm currently open to new opportunities and love to...

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Fullstack Web Developer

jeffersonton, Virginia, US or remote

https://www.upwork.com/freelancers/~01ee8fc2647b73cbbb...

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Staff Software Developer

Calgary, AB, Canada or remote

- Opensourcer from last 14 years, shepherding various projects. - Staff @Gusto, building gusto.com - Staff @AppDirect, building physical commerce....

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Front End Developer

Raleigh, North Carolina, US or remote

Hello there, the name's Tanner. I'm a React JS developer with 5+ years of professional experience. From landing pages to full scale e-learning...

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Full Stack Software Engineer

Miami, Florida, US or remote

Juice Finance: • Led the development and test launch of both the omega.xyz landing page and the app.omega.xyz lending platform using Next.js,...

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Full Stack Web Developer & Graphic Designer

Ooltewah, Tennessee, US or remote

👉 WHAT I'VE DONE • Spearheaded the design, development, and maintenance of five full-stack websites and web applications leveraging React,...

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Full Stack Developer

Marietta, US or remote

Esports Analytical Platform (Rib.gg): Developed a dynamic, user-friendly educational platform using React and Next.js, integrating with a headless...

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Front End Developer

Pembroke Pines, Florida, US or remote

EXPERIENCE Project Manager/Lead Developer (September 2022 – Present) Silhouette Miami (Remote) Spearheading the development of a scalable,...

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Front End Developer

San jose, US or remote

Companies Worked For: Bright Mind Enrichment Role: Frontend Developer Duration: July 2023 – Current Location: NY, USA Achievements: Reduced...

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Software Developer

Concord, New Hampshire, US or remote

I’ve worked with numerous startups, small businesses and individuals during my 12 year career in every capacity from consulting and freelancing to...

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Full Stack Developer

Dallas, Texas, US or remote

Email: Shadifmg@gmail.com Github: github.com/shadman-ahmed27 Full Stack Developer - Contractor DTBradfield Consulting - Dallas, Texas...

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Full-Stack & Blockchain developer

Toronto, Ontario, Canada or remote

Full-Stack & Blockchain Developer Frontier Communications 2020 - Present Dallas, Texas Company Description Developed Frontend Application using...

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Web Developer

Kuala Lumpur, Malaysia or remote

Key Projects: - Abha Chamber E-LearningPlatform (Saudi Arabia) - Al-Baha Faculty E-Learning Platform (Saudi Arabia) - Prince Mugrin University...

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Full-Stack Developer

Montevideo, Montevideo, Uruguay or remote

Uruguay-based Full-stack Web Developer and old-school JavaScript coder with 10+ years of experience. Able to work in multiple programming languages...

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Senior Full-Stack & Blockchain developer

Singapore, 50 Nanyang Ave, Singapore or remote

Hello every one! I am a senior Full Stack && Blockchain Developer. I enjoy working with clients to help discover what they need and create the best...

Front End JavaScript JSON contractor full time react node typescript angular