69 Best Senior Back End Express JS CSS MongoDB Contractor Developers For Hire In April 2025

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selected:

Senior [ x ] Back End [ x ] Express JS [ x ] CSS [ x ] MongoDB [ x ] contractor [ x ]

framework:

+ React JS (66) + Next JS (55) + Sencha Ext JS (55) + jQuery (48) + Vue JS (36) + Angular JS (28) + D3 JS (18) + Nest JS (18)

language:

+ TypeScript (67) + JavaScript (54) + Vanilla JS (47) + Python (33) + PHP (30) + Java (20) + C# (9) + Ruby (9) + C++ (6) + Solidity (6) + C (5) + Go Golang (5)

utility:

+ JSON (65) + Redux JS (22) + Three JS (19) + Jest JS (14) + GraphQL JS (13)

ui:

+ EJS (29) + Tailwind CSS (20) + bootstrap (13) + SASS (10) + SCSS (7) + Pixi JS (6) + LESS (5) + Material UI (5)

career:

+ Mid Level (28) + Manager (19) + Junior (13) + CTO (11)

stack:

+ Front End (64)

db:

+ SQL (56) + MySQL (37) + Postgres (PostgreSQL) (33) + Redis (16) + DynamoDB (7) + Firebase (7) + NoSQL (5) + TypeORM (5)

server:

+ AWS (39) + docker (30) + Google Cloud (17) + AWS S3 (12) + Heroku (10)

program:

+ Git (43) + Jira (21) + GitHub (12) + Elastic (9) + Postman (5) + Prisma (5) + VS Code (5)

concept:

+ HTML (54) + software (25) + mobile app (23) + api (21) + Rest API (21)

speaking:

+ Hindi (10) + Spanish (10)

worker type:

+ full time (60) + freelance (53)

country:

+ United States (24) + Canada (7) + India (7)

country region:

+ North America (31) + Asia (13) + South Asia (9) + Europe (8)

Filters:

selected:

Senior [ x ] Back End [ x ] Express JS [ x ] CSS [ x ] MongoDB [ x ] contractor [ x ]

framework:

+ React JS (66) + Next JS (55) + Sencha Ext JS (55) + jQuery (48) + Vue JS (36) + Angular JS (28) + D3 JS (18) + Nest JS (18)

language:

+ TypeScript (67) + JavaScript (54) + Vanilla JS (47) + Python (33) + PHP (30) + Java (20) + C# (9) + Ruby (9) + C++ (6) + Solidity (6) + C (5) + Go Golang (5)

utility:

+ JSON (65) + Redux JS (22) + Three JS (19) + Jest JS (14) + GraphQL JS (13)

ui:

+ EJS (29) + Tailwind CSS (20) + bootstrap (13) + SASS (10) + SCSS (7) + Pixi JS (6) + LESS (5) + Material UI (5)

career:

+ Mid Level (28) + Manager (19) + Junior (13) + CTO (11)

stack:

+ Front End (64)

db:

+ SQL (56) + MySQL (37) + Postgres (PostgreSQL) (33) + Redis (16) + DynamoDB (7) + Firebase (7) + NoSQL (5) + TypeORM (5)

server:

+ AWS (39) + docker (30) + Google Cloud (17) + AWS S3 (12) + Heroku (10)

program:

+ Git (43) + Jira (21) + GitHub (12) + Elastic (9) + Postman (5) + Prisma (5) + VS Code (5)

concept:

+ HTML (54) + software (25) + mobile app (23) + api (21) + Rest API (21)

speaking:

+ Hindi (10) + Spanish (10)

worker type:

+ full time (60) + freelance (53)

country:

+ United States (24) + Canada (7) + India (7)

country region:

+ North America (31) + Asia (13) + South Asia (9) + Europe (8)

Timezone:

(includes +1/-1 hour)

Featured Senior Back End Express JS CSS MongoDB Contractor Developers

1 to 20 of 69 devs ( view all 1625 devs )

Software Engineering, Architecture & Management

Dallas, Texas, US or remote

Starting his technical career in 2011, Ryan has been exposed to virtually all aspects of software engineering. Working exclusively at companies with...

Senior Back End Express JS CSS MongoDB contractor react node typescript angular

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...

Senior Back End Express JS CSS MongoDB contractor react node typescript vanilla js

Experienced full-stack engineer and UI/UX designer

Las Vegas, Nevada, US or remote

I've been developing products for virtually every type of device, platform and medium since I started coding as a teen. Since then, my apps and...

Senior Back End Express JS CSS MongoDB contractor react node typescript jquery

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....

Senior Back End Express JS CSS MongoDB contractor react node typescript jquery

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,...

Senior Back End Express JS CSS MongoDB contractor react node typescript angular

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,...

Senior Back End Express JS CSS MongoDB contractor react node typescript angular

Full Stack Developer & Technical Manager

New York, New York, US or remote

Freelancer with over a decade of experience creating websites and web apps for agencies, small businesses, and enterprise...

Senior Back End Express JS CSS MongoDB contractor react node typescript jquery

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...

Senior Back End Express JS CSS MongoDB contractor react node typescript angular

Ex-Amazon Senior Software Engineer

Vancouver, Canada or remote

🏢 McGrawHill, Vancouver BC Senior Software Engineer Consultant (Remote) - July 2023 – November 2023 🚀 Onboarding backend team for new...

Senior Back End Express JS CSS MongoDB contractor react node typescript vanilla js

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....

Senior Back End Express JS CSS MongoDB contractor react node typescript json

Full Stack Web Development

Edmonton, Alberta, Canada or remote

I'm a seasoned Full-Stack Web Developer who's conquered projects across the globe. I've revamped business websites using React.js in Hong Kong,...

Senior Back End Express JS CSS MongoDB contractor react node typescript angular

Lead Frontend Engineer

Bengaluru, Karnataka, India or remote

I'm a working professional, having seasoned experience in front-end development with a high level of responsibility. I believe in developing modern,...

Senior Back End Express JS CSS MongoDB contractor react node typescript jquery

Software Engineer

Ville Platte, Louisiana, US or remote

Implemented a novel symmetric-key cipher in JavaScript for a $10k challenge Transpiled an AI handwriting synthesizing app from JavaScript to Rust...

Senior Back End Express JS CSS MongoDB contractor node vanilla js mongodb json

Fullstack Engineer

Seattle, Washington, US or remote

Experienced full-stack engineer with over 13 years of experience using technology like JavaScript, TypeScript, Node.js, React, and AWS. - Skilled in...

Senior Back End Express JS CSS MongoDB contractor react node typescript vanilla js

Full Stack Developer

Rio Grande City, Texas, US or remote

Senior Blockchain Developer Unstoppable Domains - California, PA May 2018 to August 2022 Building decentralized digital identities for the world....

Senior Back End Express JS CSS MongoDB contractor react node typescript jquery

Full Stack Web Developer, Consultant, Mentor, Technical Writer, Speaker, Book Author

Exeter, Devon, United Kingdom or remote

Work Experience Celestial — Lead Developer Nov 2022 - PRESENT - Led the development of the operations dashboard for the client who...

Senior Back End Express JS CSS MongoDB contractor react node typescript vue

Senior Web Developer

Orlando, Florida, US or remote

Worked on several SaaS products in PHP, JavaScript, and TypeScript. Created custom SaaS Dashboard using the Yii PHP framework with a MySQL database....

Senior Back End Express JS CSS MongoDB contractor react node typescript angular