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Javascript Backend Developer Jobs (NOW HIRING)

DataAnnotation

Back End Developer

Indiana, PA · Remote

$40/hr

We are looking for a Back End Developer to join our team to train AI models. You will measure the ... To apply to this role, you will need to be proficient in either Python and/or JavaScript. Your role ...

DataAnnotation

Back End Developer

Sioux Falls, SD · Remote

$40/hr

We are looking for a Back End Developer to join our team to train AI models. You will measure the ... Your role will require proficiency in at least one programming language (JavaScript, Python, C#, C ...

DataAnnotation

Back End Developer

Wyoming, OH · Remote

$40/hr

We are looking for a Back End Developer to join our team to train AI models. You will measure the ... To apply to this role, you will need to be proficient in either Python and/or JavaScript. Your role ...

DataAnnotation

Back End Developer

Lincoln, NE · Remote

$40/hr

We are looking for a Back End Developer to join our team to train AI models. You will measure the ... Your role will require proficiency in at least one programming language (JavaScript, Python, C#, C ...

Jobsbridge

Backend Developer

San Ramon, CA

Basic knowledge of common web frontend technologies (HTML, CSS3, JavaScript, ECMA 6, Ajax ... Experience with any of these frameworks or programming paradigms: Play, Akka, API Gateways ...

Embtel Inc

Senior Back End Developer

Mountain View, CA · On-site

$142.20K - $184.60K/yr

Senior Back End Developer Location: Mountain View, CA(Remote) Duration: Fulltime with Client ... Strong programming experience in Java and/or JavaScript is a must. * Deep knowledge of one or more ...

DataAnnotation

Back End Developer

Oregon, WI · Remote

$40/hr

OverviewWe are looking for a Back End Developer to join our team to train AI models. You will ... JavaScript, Python, C#, C++, HTML, SQL, or Swift. You may need to explain how your solution solves ...

INVID

PR · On-site

Salary: 55k-65k At INVID, we're looking for a skilled and experienced Back End Developer IIto build ... JavaScript * TypeScript * C#.Net * Java * jQuery * T-SQL Experience The employee must have at least ...

Zenith services

Java Backend Developer

Jersey City, NJ

$52.75 - $68.25/hr

Java Backend Developer Location: Weehawken, NJ (Onsite) Duration: 6 months Job Summary: The Java ... and JavaScript. • Hands-on experience with frameworks such as Spring Boot and Angular. • ...

Sensia

Backend Developer

Houston, TX

The Backend Developer works in collaboration with the Solution Architect and the UI developer to ... Javascript * NodeJS * .NET * SQL Additional Information All your information will be kept ...

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How much do javascript backend developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for javascript backend developer in the United States is $57.73, according to ZipRecruiter salary data. Most workers in this role earn between $47.36 and $68.27 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Javascript Backend Developer, and why are they important?

To thrive as a Javascript Backend Developer, you need strong proficiency in JavaScript (especially Node.js), knowledge of backend frameworks, and a solid understanding of databases such as MongoDB or PostgreSQL. Familiarity with development tools like Git, RESTful APIs, Docker, and cloud platforms, as well as relevant certifications, is highly valuable. Excellent problem-solving, teamwork, and communication skills help you collaborate effectively and deliver robust solutions. These abilities are crucial for building scalable, secure, and maintainable backend services that power modern applications.

What are the typical challenges a JavaScript Backend Developer faces when scaling applications for high traffic?

JavaScript Backend Developers, especially those working with Node.js, often encounter challenges related to handling high concurrency, optimizing database queries, and maintaining application performance under heavy load. Ensuring efficient memory management and implementing robust error handling are also critical when scaling. Working closely with DevOps and frontend teams to optimize APIs and monitor system health is essential for delivering reliable, scalable backend solutions.

What does a JavaScript Backend Developer do?

A JavaScript Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power web applications. They use JavaScript, often with frameworks like Node.js, to process requests, manage data, and ensure smooth communication between the frontend and backend of an application. Their work ensures that web applications are scalable, secure, and efficient. JavaScript Backend Developers also collaborate with frontend developers and other team members to deliver seamless user experiences.

What is the difference between Javascript Backend Developer vs Javascript Frontend Developer?

AspectJavascript Backend DeveloperJavascript Frontend Developer
Primary FocusServer-side development, APIs, databasesUser interface, client-side interactions
Required SkillsNode.js, databases, server managementHTML, CSS, JavaScript, UI frameworks
Work EnvironmentBack-end servers, cloud platformsWeb browsers, client devices
Common UsageBuilding APIs, server logicDesigning web pages, user experience

The main difference between a Javascript Backend Developer and a Javascript Frontend Developer lies in their focus areas. Backend developers handle server-side logic, databases, and APIs, while frontend developers focus on creating engaging user interfaces and client-side interactions. Both roles require JavaScript skills but apply them in different parts of web development projects.

More about Javascript Backend Developer jobs
What cities are hiring for Javascript Backend Developer jobs? Cities with the most Javascript Backend Developer job openings:
What states have the most Javascript Backend Developer jobs? States with the most job openings for Javascript Backend Developer jobs include:
What job categories do people searching Javascript Backend Developer jobs look for? The top searched job categories for Javascript Backend Developer jobs are:
Javascript Backend Developer jobs near you
Infographic showing various Javascript Backend Developer job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $120,086 per year, or $57.7 per hour.
Back End Developer

Back End Developer

DataAnnotation

Indiana, PA • Remote

$40/hr

Full-time, Part-time, Contractor

This job post has expired today. Applications are no longer accepted.

Job description

We are looking for a Back End Developer to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. To apply to this role, you will need to be proficient in either Python and/or JavaScript.

Your role will require proficiency in at least one programming language (JavaScript, Python, C#, C++, HTML, SQL, or Swift) in order to solve coding problems. Benefits This is a full-time or part-time REMOTE position You'll be able to choose which projects you want to work on You can work on your own schedule Projects are paid hourly starting at $40+ USD per hour, with bonuses on high-quality and high-volume work Responsibilities Give AI chatbots coding challenges and evaluate their outputs Evaluate the quality produced by AI models for correctness and performance Qualifications Fluency in English (native or bilingual level) Detail-oriented Experience with algorithms, data structures, and debugging workflows A current, in progress, or completed Bachelor's degree is preferred but not required Notes Payment is made via PayPal. We will never ask for any money from you.

PayPal will handle any currency conversions from USD. Only applicants in the United States will be considered for this role. This is an independent contract position.

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