161 Best Back End JSON SQL Freelance Contractor Developers For Hire In July 2024

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selected:

Back End [ x ] JSON [ x ] SQL [ x ] freelance [ x ] contractor [ x ]

framework:

+ Node JS (156) + React JS (146) + Express JS (134) + Sencha Ext JS (101) + Next JS (99) + jQuery (85) + Angular JS (57) + Vue JS (55)

language:

+ TypeScript (142) + Vanilla JS (132) + JavaScript (128) + Python (85) + Java (56) + PHP (49) + C# (35) + C++ (24)

utility:

+ Three JS (41) + GraphQL JS (33) + Redux JS (33) + Jest JS (28) + Webpack JS (17)

ui:

+ CSS (99) + EJS (58) + bootstrap (35) + Tailwind CSS (34) + SASS (21)

career:

+ Junior (93) + Mid Level (80) + Senior (72) + Manager (21) + CTO (18)

stack:

+ Full Stack (156) + Front End (149)

db:

+ MongoDB (124) + MySQL (76) + Postgres (PostgreSQL) (73) + Redis (22) + NoSQL (20)

server:

+ AWS (66) + docker (61) + Linux (26) + AWS S3 (18) + Google Cloud (18)

program:

+ Git (128) + Jira (45) + GitHub (25) + Figma (24) + Postman (15)

concept:

+ HTML (88) + software (74) + OOP (66) + api (48) + mobile app (46)

speaking:

+ Spanish (23) + Hindi (11) + Portuguese (10) + Russian (9) + French (5) + Turkish (5)

worker type:

+ full time (144)

us state:

+ California (14) + New York (11) + Illinois (6) + Texas (6) + Florida (5)

country:

+ United States (74) + Canada (19) + India (10) + Brazil (7) + United Kingdom (6)

country region:

+ North America (95) + Asia (18) + South Asia (14) + Eastern Europe (12) + South America (11) + Europe (7) + Latin America (6) + Middle East (6)

Filters:

selected:

Back End [ x ] JSON [ x ] SQL [ x ] freelance [ x ] contractor [ x ]

framework:

+ Node JS (156) + React JS (146) + Express JS (134) + Sencha Ext JS (101) + Next JS (99) + jQuery (85) + Angular JS (57) + Vue JS (55)

language:

+ TypeScript (142) + Vanilla JS (132) + JavaScript (128) + Python (85) + Java (56) + PHP (49) + C# (35) + C++ (24)

utility:

+ Three JS (41) + GraphQL JS (33) + Redux JS (33) + Jest JS (28) + Webpack JS (17)

ui:

+ CSS (99) + EJS (58) + bootstrap (35) + Tailwind CSS (34) + SASS (21)

career:

+ Junior (93) + Mid Level (80) + Senior (72) + Manager (21) + CTO (18)

stack:

+ Full Stack (156) + Front End (149)

db:

+ MongoDB (124) + MySQL (76) + Postgres (PostgreSQL) (73) + Redis (22) + NoSQL (20)

server:

+ AWS (66) + docker (61) + Linux (26) + AWS S3 (18) + Google Cloud (18)

program:

+ Git (128) + Jira (45) + GitHub (25) + Figma (24) + Postman (15)

concept:

+ HTML (88) + software (74) + OOP (66) + api (48) + mobile app (46)

speaking:

+ Spanish (23) + Hindi (11) + Portuguese (10) + Russian (9) + French (5) + Turkish (5)

worker type:

+ full time (144)

us state:

+ California (14) + New York (11) + Illinois (6) + Texas (6) + Florida (5)

country:

+ United States (74) + Canada (19) + India (10) + Brazil (7) + United Kingdom (6)

country region:

+ North America (95) + Asia (18) + South Asia (14) + Eastern Europe (12) + South America (11) + Europe (7) + Latin America (6) + Middle East (6)

Timezone:

(includes +1/-1 hour)

Featured Back End JSON SQL Freelance Contractor Developers

81 to 100 of 161 devs ( view all 1413 devs )

React and Node Dev

San Francisco, California, US or remote

Worked on personal projects, like building list apps and word games. Constantly...

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Software Engineer

Boston, Massachusetts, US or remote

E-Commerce, PayPal, PayPal Commerce, CS-Cart, Yo-Kart, Shopify, Big Commerce, Etsy. Multivendor Markets. GraphQl, AWS, LAMP...

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Junior Full-Stack Developer

Denver, Colorado, US or remote

I recently graduated from an intensive Software Engineering Bootcamp from...

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Software Engineer

São Paulo, São Paulo, Brazil or remote

Result-driven Software Developer with 15+ years of experience. Highly skilled in PHP and JavaScript. Passionate about software architecture and clean...

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Fullstack Web Application Developer

St. John's, NL, Canada or remote

Seasoned software professional with a passion for applying the Unix philosophy and SOLID design principles to distributed systems in order to solve...

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Web Developer

Phoenix, Arizona, US or remote

Hey there, I'm Thang Ta, a passionate Software Developer in Phoenix, AZ, armed with a Master's in Data Analytics. My coding journey began with SQL...

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Technical Lead

Copenhagen, Denmark or remote

More than 10 years of experience delivering tech solutions working with frontend and backend technologies including Typescript, PHP (Laravel,...

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Junior Software Developer

East Grinstead, United Kingdom or remote

Resource Rivals - Team-built browser game that heavily utilises web-sockets and a room system to allow multiple games to run at once on the server. I...

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Software Developer

Toronto, Ontario, Canada or remote

Projects: Full-Stack Developer | Capstone Project (Feb 2024) Conceptualized and developed the implementation of a personalized fashion...

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Full Stack Web & Mobile Developer

Karachi, Sindh, Pakistan or remote

Trth.Ai Successfully configured a GCP account, implementing key services such as Cloud Storage, Firestore, Function, and PubSub for optimal platform...

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Deloitte, Ex Ford - Senior Software Developer

Chennai, Tamil Nadu, India or remote

Engineer 1 April 2022 - Present Deloitte Senior Software Developer for Digital Tester Application in the Product Engineering Division Successfully...

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Full-Stack Engineer

York, North Yorkshire, United Kingdom or remote

Tackled wide variety of projects across various domains. #### Flask DNN Serving #### • Serve results from deep neural network to customers via...

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Back End Engineer

São Paulo, São Paulo, Brazil or remote

Papaya Apr 2023 – Sep 2023 Back End Engineer Los Angeles, CA, USA ▪ Delivered features for product launches and new internal tooling to improve...

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Full Stack Web & Mobile Application Developer

Orosháza, Hungary or remote

Hi! My name is Martin. I'm a full-stack web & cross-platform mobile application developer with 10+ years experience. My work experience cover a...

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Remote Full Stack | Web Developer | Malaysia

Johor Bahru, Johor, Malaysia or remote

Qbizz Groups: Jan 2024 - Present • Working as a Senior Web Developer where I am creating a booking management system with payment gateway using...

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Front-end / Mobile / Back-end Software Developer

Jalandhar, Punjab, India or remote

I've been working in development for almost 5 years with a primary focus on front-end technologies. I have done back-end, app development, and full...

Back End JSON SQL freelance contractor react node typescript jquery

Software Developer

Toronto, Ontario, Canada or remote

I've worked professionally as a Software Developer Intern for CaseWare International working on a new cloud platform product. I worked the full-stack...

Back End JSON SQL freelance contractor react node typescript angular