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Javascript Backend Developer Jobs in Brooklyn, NY

Grinteq

Java Liferay Developer

Manhattan, NY · On-site

$40/hr

Position We are looking for an Experienced Java Back-End Developer to join our team ... Implement UI improvements using JavaScript, CSS, and Liferay frontend tools. * Ensure the content ...

Anansys Software Inc

AEM Frontend Developer

Manhattan, NY · On-site

$114K - $133K/yr

Write clean, well-documented, and maintainable code using HTML, CSS, JavaScript, and relevant AEM frameworks. Collaborate with UX/UI designers and backend developers to ensure seamless integration of ...

Photon

Sr React Developer- New York

Manhattan, NY · On-site

$126K - $165K/yr

You will collaborate with product managers, UX/UI designers, backend engineers, and QA teams to ... Strong proficiency in JavaScript (ES6+) and TypeScript. * Experience with React Hooks, Context API ...

Photon

Sr React Developer- New York

Manhattan, NY · On-site +1

$126K - $165K/yr

You will collaborate with product managers, UX/UI designers, backend engineers, and QA teams to ... Strong proficiency in JavaScript (ES6+) and TypeScript. * Experience with React Hooks, Context API ...

Grinteq

SFCC Full-Stack Developer

Manhattan, NY · On-site

$40/hr

Develop templates and content slots using ISML, JavaScript/jQuery, HTML, XML, CSS, AJAX and ... Proven experience working in an SFCC / Demandware Platform as a Senior Backend developer.

Capgemini

AEM Front End Developer

Manhattan, NY · On-site

$114K - $133K/yr

... CSS, JavaScript, and relevant AEM frameworks. • Collaborate with UX/UI designers and backend developers to ensure seamless integration of front-end and back-end functionality. • Implement ...

Tennr

Backend Software Engineer

New York, NY · On-site

$170K - $190K/yr

Role Description We're seeking a Backend Engineer with a passion for systems architecture, data ... focus on JavaScript and familiarity with TypeScript. * Proven track record of building and ...

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All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in Brooklyn, NY

Javascript Backend Developer information

See Brooklyn, NY salary details

$12

$60

$88

How much do javascript backend developer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for javascript backend developer in Brooklyn, NY is $60.71, according to ZipRecruiter salary data. Most workers in this role earn between $49.81 and $71.78 per hour, depending on experience, location, and employer.

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 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 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.

What are popular job titles related to Javascript Backend Developer jobs in Brooklyn, NY? For Javascript Backend Developer jobs in Brooklyn, NY, the most frequently searched job titles are:
What job categories do people searching Javascript Backend Developer jobs in Brooklyn, NY look for? The top searched job categories for Javascript Backend Developer jobs in Brooklyn, NY are:
What cities near Brooklyn, NY are hiring for Javascript Backend Developer jobs? Cities near Brooklyn, NY with the most Javascript Backend Developer job openings:
Javascript Backend Developer jobs near you
Infographic showing various Javascript Backend Developer job openings in Brooklyn, NY as of August 2026, with employment types broken down into 91% Full Time, and 9% Contract. Highlights an 80% In-person, 9% Hybrid, and 11% Remote job distribution, with an average salary of $126,271 per year, or $60.7 per hour.

Java Liferay Developer

Grinteq

Manhattan, NY • On-site

$40/hr

Contractor

Re-posted 8 days ago

Job description

Position
We are looking for an Experienced Java Back-End Developer to join our team.
Responsibilities and duties
  • Quickly gain an up-to-date and comprehensive understanding of the code base and technology stack within weeks.
  • Support and extend a custom Liferay Customer Portal used for documentation and internal tools.
  • Maintain and enhance custom Liferay portlets, themes, and workflows.
  • Manage and evolve internal link mapping between legacy and new content systems.
  • Develop and maintain Java backend components, REST APIs, and data handling logic.
  • Implement UI improvements using JavaScript, CSS, and Liferay frontend tools.
  • Ensure the content structure remains navigable, performant, and maintainable.

Qualifications and skills
  • 4+ years of experience in Java development (Java 8+).
  • 3+ years of hands-on experience with Liferay DXP (7.x mandatory).
  • Strong knowledge of Liferay APIs, Service Builder, and content management (Journal Articles).
  • Experience with custom portlet development, dynamic navigation structures, and theme customization.
  • Ability to manage and resolve complex nested macro or referencing logic.
  • Experience with Git, Maven/Gradle, and working in agile environments.
  • Experience with Docker, CI/CD pipelines, or headless CMS architectures (nice to have).

What we offer
  • A decent salary level, which allows you to think about our mutual success and not about tomorrow.
  • Flexible working hours. You create your own schedule.
  • Possibility to work remotely. You prefer home office or traveling around? Easy, that's exactly how we operate.

Apply