345 Best Front End Back JSON Contractor Full Time Developers For Hire In September 2025

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selected:

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

framework:

+ Node JS (324) + React JS (320) + Express JS (273) + Sencha Ext JS (234) + Next JS (233) + jQuery (180) + Vue JS (122) + Angular JS (103)

language:

+ TypeScript (302) + Vanilla JS (257) + JavaScript (247) + Python (180) + PHP (110) + Java (99) + C# (63) + C++ (46)

utility:

+ Three JS (70) + Redux JS (60) + GraphQL JS (49) + Jest JS (46) + Webpack JS (26)

ui:

+ CSS (198) + EJS (105) + Tailwind CSS (83) + bootstrap (56) + SASS (35)

career:

+ Junior (198) + Mid Level (159) + Senior (151) + Manager (41) + CTO (25)

stack:

+ Full Stack (334) + MERN stack (8)

db:

+ MongoDB (252) + SQL (215) + MySQL (113) + Postgres (PostgreSQL) (105) + Firebase (31)

server:

+ AWS (100) + docker (83) + Linux (45) + Amazon SES (24) + Google Cloud (23)

program:

+ Git (252) + Jira (98) + GitHub (64) + Figma (39) + Postman (28)

concept:

+ HTML (173) + software (135) + OOP (126) + mobile app (104) + api (83)

speaking:

+ Spanish (41) + Hindi (22) + Portuguese (19) + French (13) + Arabic (10)

worker type:

+ freelance (280)

us state:

+ California (30) + New York (16) + Texas (15) + Florida (12) + Virginia (7)

country:

+ United States (159) + Canada (36) + India (17) + Brazil (13) + Pakistan (9)

country region:

+ North America (198) + Asia (42) + South Asia (30) + Eastern Europe (25) + Europe (22)

Filters:

selected:

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

framework:

+ Node JS (324) + React JS (320) + Express JS (273) + Sencha Ext JS (234) + Next JS (233) + jQuery (180) + Vue JS (122) + Angular JS (103)

language:

+ TypeScript (302) + Vanilla JS (257) + JavaScript (247) + Python (180) + PHP (110) + Java (99) + C# (63) + C++ (46)

utility:

+ Three JS (70) + Redux JS (60) + GraphQL JS (49) + Jest JS (46) + Webpack JS (26)

ui:

+ CSS (198) + EJS (105) + Tailwind CSS (83) + bootstrap (56) + SASS (35)

career:

+ Junior (198) + Mid Level (159) + Senior (151) + Manager (41) + CTO (25)

stack:

+ Full Stack (334) + MERN stack (8)

db:

+ MongoDB (252) + SQL (215) + MySQL (113) + Postgres (PostgreSQL) (105) + Firebase (31)

server:

+ AWS (100) + docker (83) + Linux (45) + Amazon SES (24) + Google Cloud (23)

program:

+ Git (252) + Jira (98) + GitHub (64) + Figma (39) + Postman (28)

concept:

+ HTML (173) + software (135) + OOP (126) + mobile app (104) + api (83)

speaking:

+ Spanish (41) + Hindi (22) + Portuguese (19) + French (13) + Arabic (10)

worker type:

+ freelance (280)

us state:

+ California (30) + New York (16) + Texas (15) + Florida (12) + Virginia (7)

country:

+ United States (159) + Canada (36) + India (17) + Brazil (13) + Pakistan (9)

country region:

+ North America (198) + Asia (42) + South Asia (30) + Eastern Europe (25) + Europe (22)

Timezone:

(includes +1/-1 hour)

Featured Front End Back JSON Contractor Full Time Developers

1 to 20 of 345 devs ( view all 1674 devs )

Fullstack Developer

Oxford, Florida, US or remote

💻 Lead API Developer – RMCI (Contractor for U.S. OPM) Led API development for federal appraisal software modernization Migrated legacy...

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Senior Angular Python AWS Software Engineer

Denver, Colorado, US or remote

I am a seasoned software engineer with vast experience in software development and security vulnerability management and mitigation. I have...

Front End Back End JSON contractor full time react node typescript angular

Engineering Product Manager

Los Gatos, California, US or remote

Experienced Senior Software Engineer with a proven track record in building scalable applications. Accomplished Product Manager adept at steering...

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Lead Software Developer

Spanish Fork, Utah, US or remote

- Quantum Computing and AI Web Developer with extensive experience in leading the design and development of innovative quantum computing applications...

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Full Stack MERN Developer

Aventura, Florida, US or remote

I am a results-driven Senior Full Stack Engineer. My previous assignments with Wells Fargo, Allegis Group, NASA, Concept Solutions, Bloomberg BNA,...

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Full Stack | Front End | Senior Software Engineer | Agile Product Owner | USA

Scranton, Pennsylvania, US or remote

10 years of professional experience developing software in Javascript, Python, and React. Certified as an Agile Product Owner by the Scrum Alliance....

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Full Stack Developer| Technical Team Lead | Senior Full Stack Engineer

Verona, Wisconsin, US or remote

Summary -Over 8 years of IT Professional experience in all phases of software development life cycle to requirements gathering, analysis, design,...

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Senior Full Stack Developer

Ontario, Canada or remote

As a Senior Software Engineer at Reddit Inc., I led the development of a telemetry project aimed at enhancing user engagement insights. This project,...

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Senior Fullstack Engineer - Novel Solutions to Complex Problems

Memphis, Tennessee, US or remote

Senior Fullstack Engineer and Manager in Memphis, TN. I have expertise in several programming languages, including Node.js, Python, Java, and C#, and...

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Principal Software Engineer

St Paul, Minnesota, US or remote

See my github + twitter/x for more info. I've worked at everything from startups of 3 people to fortune 500...

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Senior Full Stack Developer

Madison, Wisconsin, US or remote

True end-to-end developer with strong frontend, backend, and devops chops. 11+ years working with clients such as Yale University, UW, NWF, The...

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Senior Software Engineer

Boston, Massachusetts, US or remote

I worked with an early stage crypto token startup on finishing and launching their MVP after the existing developer left the project. I joined an...

Front End Back End JSON contractor full time react node typescript angular

Senior Full Stack Developer

Lawrence, Kansas, US or remote

Realquantum Senior Full-Stack Developer (Contractor) * Helped implement custom Auth0 implementation (Ruby on Rails) * Consulted on best practices...

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Senior Software Engineer specialized in AI and Blockchain

Burnaby, British Columbia, Canada or remote

Andrew is a seasoned professional with over 9 years of expertise in the field of React development. He is very familiar with a wide range of...

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Senior Software Engineer

New York, New York, US or remote

I'm a full stack software engineer with over 15 years of experience. In my career, I've been an individual contributor, sole developer, and manager...

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Senior Frontend Engineer

Denver, Colorado, US or remote

Senior Frontend Engineer, nZero ● Led the development of a customer self-service portal, which transformed an internal Rails app into a React SPA...

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Software Engineer

Toronto, ON, Canada or remote

Computer science graduate with 8+ years of experience. I am looking to join to startup team with whom communication and teamwork are paramount. Have...

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Fullstack Developer

Charlotte, North Carolina, US or remote

Developed and maintained the primary front-end application utilizing React.js, resulting in a 20% improvement in code readability and scalability....

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Web Developer

Brooklyn, New York, US or remote

I’ve worked on websites of all sizes for over 15 years for clients like Microsoft, HOK, SmithGroup, MIT List Visual Arts Center, University of...

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Senior Software Engineer

Bakersfield, California, US or remote

I am a senior fullstack developer with experience in technologies like React, TypeScript, NodeJs, NextJs, MySQL, Postgresql, and JavaScript. Some of...

Front End Back End JSON contractor full time react node typescript angular