396 Best Front End Back JSON Contractor Developers For Hire In September 2025

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selected:

Front End [ x ] Back End [ x ] JSON [ x ] contractor [ x ]

framework:

+ Node JS (371) + React JS (364) + Express JS (308) + Sencha Ext JS (267) + Next JS (266) + jQuery (209) + Vue JS (137) + Angular JS (117)

language:

+ TypeScript (342) + Vanilla JS (295) + JavaScript (279) + Python (207) + PHP (123) + Java (118) + C# (73) + C++ (51)

utility:

+ Three JS (81) + Redux JS (67) + GraphQL JS (55) + Jest JS (52) + Webpack JS (29)

ui:

+ CSS (219) + EJS (118) + Tailwind CSS (91) + bootstrap (61) + SASS (39)

career:

+ Junior (210) + Mid Level (184) + Senior (182) + Manager (49) + CTO (29)

stack:

+ Full Stack (383) + MERN stack (9)

db:

+ MongoDB (287) + SQL (239) + MySQL (122) + Postgres (PostgreSQL) (118) + Firebase (34)

server:

+ AWS (114) + docker (94) + Linux (48) + Amazon SES (26) + Google Cloud (25)

program:

+ Git (280) + Jira (112) + GitHub (70) + Figma (44) + Postman (29)

concept:

+ HTML (186) + software (157) + OOP (143) + mobile app (114) + api (92)

speaking:

+ Spanish (42) + Hindi (30) + Portuguese (19) + French (14) + German (12)

worker type:

+ full time (346) + freelance (329)

us state:

+ California (34) + New York (20) + Texas (16) + Florida (12) + Virginia (8)

country:

+ United States (175) + Canada (40) + India (25) + Brazil (13) + United Kingdom (12)

country region:

+ North America (218) + Asia (54) + South Asia (42) + Eastern Europe (29) + Europe (28)

Filters:

selected:

Front End [ x ] Back End [ x ] JSON [ x ] contractor [ x ]

framework:

+ Node JS (371) + React JS (364) + Express JS (308) + Sencha Ext JS (267) + Next JS (266) + jQuery (209) + Vue JS (137) + Angular JS (117)

language:

+ TypeScript (342) + Vanilla JS (295) + JavaScript (279) + Python (207) + PHP (123) + Java (118) + C# (73) + C++ (51)

utility:

+ Three JS (81) + Redux JS (67) + GraphQL JS (55) + Jest JS (52) + Webpack JS (29)

ui:

+ CSS (219) + EJS (118) + Tailwind CSS (91) + bootstrap (61) + SASS (39)

career:

+ Junior (210) + Mid Level (184) + Senior (182) + Manager (49) + CTO (29)

stack:

+ Full Stack (383) + MERN stack (9)

db:

+ MongoDB (287) + SQL (239) + MySQL (122) + Postgres (PostgreSQL) (118) + Firebase (34)

server:

+ AWS (114) + docker (94) + Linux (48) + Amazon SES (26) + Google Cloud (25)

program:

+ Git (280) + Jira (112) + GitHub (70) + Figma (44) + Postman (29)

concept:

+ HTML (186) + software (157) + OOP (143) + mobile app (114) + api (92)

speaking:

+ Spanish (42) + Hindi (30) + Portuguese (19) + French (14) + German (12)

worker type:

+ full time (346) + freelance (329)

us state:

+ California (34) + New York (20) + Texas (16) + Florida (12) + Virginia (8)

country:

+ United States (175) + Canada (40) + India (25) + Brazil (13) + United Kingdom (12)

country region:

+ North America (218) + Asia (54) + South Asia (42) + Eastern Europe (29) + Europe (28)

Timezone:

(includes +1/-1 hour)

Featured Front End Back JSON Contractor Developers

101 to 120 of 396 devs ( view all 1675 devs )

Full Stack Web Developer

New York City, US or remote

Worked 7 years on Linux and Nodejs Worded 5 Years with React.JS Built all sorts of Apps and web interfaces. Built all sort of servers and back...

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Full-Stack Engineer

Port Clinton, Ohio, US or remote

PROJECTS SpotMe, Payment Service May 2024 – present • Engineered reusable React components to adhere to modern software design principles...

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Full Stack Developer

Syracuse, New York, US or remote

Hi , I'm Harvinder , a full stack developer who loves to make apps for the web and mobile platforms with popular javascript frameworks , i have a...

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Full Stack Developer

Maringá, Paraná, Brazil or remote

I’ve been working with WEB development since 1999, and through this period I’ve delivered a multitude of jobs using the most diverse...

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Senior Frontend Engineer - ReactJS/VueJS

Zamboanga, Zamboanga del Sur, Philippines or remote

Senior Frontend Engineer, TitanFX (via X-Team) Tech Stack: React 19, NextJS 15, TailwindCSS, Radix UI, Tanstack Table, React Hook Form, zustand,...

Front End Back End JSON contractor react node typescript vue

Technical Lead

Capetown, Westerncape, South Africa or remote

For the past 13 years I have been working as a fullstack, backend, software engineer and tech lead. And have worked in a variety of environments...

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frontend developer

Chicago, Illinois, US or remote

Self-employed / Frontend developer 12/2020 - PRESENT, Boston, MA (Remote) ● Successfully created dynamic component structures for implementing...

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Web Developer

Jurupa Valley, California, US or remote

⚡About Me: I am a skilled web developer with extensive experience in building full stack web applications. I have honed my skills in JavaScript...

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Software Engineer

Chicago, US or remote

Software Engineer @ Hike Medical • Co-lead engineer of the Hike Medical Web-App and Admin Portal. • Integrated Intercom, Mixpanel, and...

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Senior Fullstack Dev

Berlin, Germany or remote

Please check the following links: https://github.com/mohammadreza-ashouri/...

Front End Back End JSON contractor react node typescript vue

Web developer

Paris, France or remote

Designed and developed a web app for Colas Group, MERN stack. This web app's goal was to organise a global competition for employees (40 000...

Front End Back End JSON contractor react node typescript vue

Fullstack developer angular/react

Sanford, Florida, US or remote

All my projects have react and angular version to them,a link to both versions are in my portfolio.I created projects ranging from freelance client...

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Software Developer

Kent, Washington, US or remote

Hall of Fame Bets | Software Engineer Intern April 2023 - July 2023 ● Optimized filters and data retrieval to enhance functionality of the...

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SWE Intern

San Leandro, California, US or remote

SWE Intern at Knobull Aug 2022 – Oct 2022 • Led the development and delivery of a React Native mobile app in a team of 4 interns by creating...

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Full Stack Developer

Berlin, Germany or remote

I am an experienced web developer who is comfortable working in all areas of website programming. In my previous role, I was responsible for a wide...

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Web Developer

Central Point, Oregon, US or remote

I have been learning web development for the last four years while going to school. I graduated in June 2023 and now I'm looking for my first job. I...

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Full Stack Web Developer

Houston, Texas, US or remote

Developed an Internal Use Application using Next.js, TypeScript, PostgreSQL, Prisma, and Node.js, streamlining order automation, data tracking,...

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Developer (frontend and backend)

Portland, Oregon, US or remote

Beraten Software – Tigard, OR Web Developer – Summer 2021 – Present - Utilized C#, SQL, and ASP.NET to enhance web applications allowing...

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Software Engineer

South Windsor, Connecticut, US or remote

🚀 Projects: Created several innovative applications, showcasing a wide range of technical skills and creativity while concurrently working on...

Front End Back End JSON contractor react node typescript vanilla js

Junior Software Engineer

New York, New York, US or remote

Hello! I'm a skilled software engineer based in New York City. My passion lies in crafting dynamic web applications, with a primary focus on React,...

Front End Back End JSON contractor react node typescript vanilla js