73 Best JSON Contractor California United States North America Developers For Hire In October 2025

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selected:

JSON [ x ] contractor [ x ] California [ x ] United States [ x ] North America [ x ]

framework:

+ React JS (71) + Node JS (65) + Express JS (50) + Next JS (50) + Sencha Ext JS (50) + jQuery (36) + Vue JS (24) + Angular JS (19) + D3 JS (10) + Java Spring (5) + React Native (5) + Svelte JS (5)

language:

+ TypeScript (60) + Vanilla JS (60) + JavaScript (53) + Python (35) + Java (16) + PHP (16) + C# (12) + C++ (8) + .NET (7) + Ruby (6) + Kotlin (5) + Swift (5)

utility:

+ GraphQL JS (13) + Jest JS (13) + Three JS (13) + Redux JS (12) + Webpack JS (9) + NPM (5)

ui:

+ CSS (39) + EJS (15) + Tailwind CSS (15) + bootstrap (14) + SASS (10) + Lit JS (6) + Material UI (6) + LESS (5)

career:

+ Junior (47) + Mid Level (33) + Senior (19) + Manager (8)

stack:

+ Front End (66) + Full Stack (55) + Back End (38)

db:

+ MongoDB (44) + SQL (40) + MySQL (18) + Postgres (PostgreSQL) (14) + Firebase (7) + NoSQL (5)

server:

+ AWS (19) + docker (14) + Linux (8) + Google Cloud (5)

program:

+ Git (51) + Jira (22) + GitHub (16) + Figma (13) + VS Code (12) + Postman (6)

concept:

+ HTML (38) + software (31) + OOP (28) + mobile app (18) + api (16)

speaking:

+ Spanish (12)

worker type:

+ full time (68) + freelance (50)

Filters:

selected:

JSON [ x ] contractor [ x ] California [ x ] United States [ x ] North America [ x ]

framework:

+ React JS (71) + Node JS (65) + Express JS (50) + Next JS (50) + Sencha Ext JS (50) + jQuery (36) + Vue JS (24) + Angular JS (19) + D3 JS (10) + Java Spring (5) + React Native (5) + Svelte JS (5)

language:

+ TypeScript (60) + Vanilla JS (60) + JavaScript (53) + Python (35) + Java (16) + PHP (16) + C# (12) + C++ (8) + .NET (7) + Ruby (6) + Kotlin (5) + Swift (5)

utility:

+ GraphQL JS (13) + Jest JS (13) + Three JS (13) + Redux JS (12) + Webpack JS (9) + NPM (5)

ui:

+ CSS (39) + EJS (15) + Tailwind CSS (15) + bootstrap (14) + SASS (10) + Lit JS (6) + Material UI (6) + LESS (5)

career:

+ Junior (47) + Mid Level (33) + Senior (19) + Manager (8)

stack:

+ Front End (66) + Full Stack (55) + Back End (38)

db:

+ MongoDB (44) + SQL (40) + MySQL (18) + Postgres (PostgreSQL) (14) + Firebase (7) + NoSQL (5)

server:

+ AWS (19) + docker (14) + Linux (8) + Google Cloud (5)

program:

+ Git (51) + Jira (22) + GitHub (16) + Figma (13) + VS Code (12) + Postman (6)

concept:

+ HTML (38) + software (31) + OOP (28) + mobile app (18) + api (16)

speaking:

+ Spanish (12)

worker type:

+ full time (68) + freelance (50)

Timezone:

(includes +1/-1 hour)

Featured JSON Contractor California United States North America Developers

1 to 20 of 73 devs ( view all 1700 devs )

Lead Back-end Software Developer

Los Angeles, California, US or remote

Technical leadership (20+ years' experience) with extensive project management experience in agency+startup+mid-caps. I've been Senior Engineer,...

JSON contractor California United States North America react node typescript jquery

Software Engineer

Claremont, California, US or remote

Hi there, I'm a frontend and full-stack software engineer based in Claremont, CA. I've worked on a range of projects from startups to big-time...

JSON contractor California United States North America react node typescript vue

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...

JSON contractor California United States North America react node typescript vue

Senior Front-end Engineer

Los Angeles, California, US or remote

# Professional Experience ## Lead Front-end Engineer, Imarc (2020 – 2023) Built marketing and internal websites for Breezeline, eRegulations,...

JSON contractor California United States North America react node typescript vue

Web Developer

Berkeley, California, US or remote

Frontend web developer with over five years of experience, including at EnChroma Inc. where I focused on building and maintaining performant and...

JSON contractor California United States North America react node typescript vanilla js

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...

JSON contractor California United States North America react node typescript angular

Frontend Engineer

Los Angeles, California, US or remote

Comcast Business — Remote Software Engineer IV July 2022 - April 2024 - Implemented a working solution for MUI accessibility bug— improving...

JSON contractor California United States North America react node typescript vanilla js

Web-Based software engineer

Los Angeles, California, US or remote

# Professional Experience ## Web Based Full Stack Engineer, Skechers (2015 – 2025) Built b2c e-commerce website and internal marketing tools....

JSON contractor California United States North America react node angular jquery

Senior Full Stack Engineer

San Diego, California, US or remote

I've worked on multiple apps from scratch on-prem and cloud native, full-stack engineer with focus on front-end (about 60% to 70% front-end compared...

JSON contractor California United States North America react typescript angular jquery

Web Developer

Pleasant Hill, California, US or remote

- Frontend and backend web development projects for multiple clients on various content management systems such as WordPress and Drupal - Build...

JSON contractor California United States North America jquery vanilla js json alpinejs

Software Engineer

Los Angeles, California, US or remote

Senior Web Developer (KettleSpace Inc) - Lead the front-end work for kettleOS Admin and Enterprise software (React, styled-components, grommet,...

JSON contractor California United States North America react typescript vue jquery

Software Engineer

Santa Ynez, California, US or remote

I've developed several projects that span across full-stack web development, integrating various technologies and frameworks. Notable projects...

JSON contractor California United States North America react node typescript angular

Software Engineer

National City, California, US or remote

I've been working as a software developer for my current job for more than 6 years, and before that, a startup for a couple years where I work on...

JSON contractor California United States North America react node typescript angular

Software Engineer and Architect

greenbrae, California, US or remote

Dayton Financial - Quoting System Developer Built a complete quoting software that saved thousands in operational costs by replacing complex...

JSON contractor California United States North America react node typescript nextjs

Full Stack Developer

Los Angeles, California, US or remote

Hello! I am a solutions-driven web developer with 4+ years of experience working on large and small-scale projects for various organizations. I also...

JSON contractor California United States North America react node vanilla js json

Full Stack Developer

los angeles, California, US or remote

My favorite project I've created so far is called "Polyglot Pal". It is an application where you can practice speaking in specific languages with an...

JSON contractor California United States North America react node typescript vue