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Javascript Backend Developer Jobs in Fairfield, NJ

nitra

Backend Engineer

New York, NY · Hybrid

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... JavaScript (5+ years) * Node.js (5+ years) * Express.js framework (2+ years) * APIs (5+ years ...

nitra

Backend Engineer

New York, NY · Hybrid

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... JavaScript (5+ years) * Node.js (5+ years) * Express.js framework (2+ years) * APIs (5+ years ...

1 point system

Front-End (Angular) Developer

Jersey City, NJ · On-site

$108K - $126K/yr

Write clean and efficient JavaScript, CSS, and HTML codes. * Coordinate with the backend team to ... Connect with other team members, such as UX designers, project managers, and backend-developers to ...

Sarian, Inc.

Big Data, Hadoop Developer

Newark, DE · On-site

Knowledge of back-end programming languages including JavaScript, Node.js, and OOAD. * Familiarity with data loading tools including Squoop and Flume. * High-level analytical and problem-solving ...

nitra

Senior Backend Engineer

New York, NY · Hybrid

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... JavaScript (5+ years) * Node.js (5+ years) * Express.js framework (2+ years) * APIs (5+ years ...

Damco Solutions

Lead Front End Developer

Ridgefield, NJ · On-site

... JavaScript and jQuery, integrate with internal tools, frameworks and services as well as external APIs. • Collaborate with back-end developers, editors, and external agencies. • Translate UI ...

Varsity Tutors

Web Development Tutor

Chester, PA · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

nitra

Senior Backend Engineer

New York, NY · Hybrid

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... JavaScript (5+ years) * Node.js (5+ years) * Express.js framework (2+ years) * APIs (5+ years ...

nitra

Senior Backend Engineer

New York, NY · On-site

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... JavaScript (5+ years) * Node.js (5+ years) * Express.js framework (2+ years) * APIs (5+ years ...

Princeton IT Services

Drupal Developer

New York, NY · On-site

Collaborate with UI/UX designers, backend developers, and stakeholders. * Troubleshoot issues ... Proficiency in PHP, HTML, CSS, JavaScript , and Drupal APIs. * Experience with custom module ...

WP Talent

Founding Engineer

Manhattan, NY · On-site

$100K - $180K/yr

Shape the company culture Requirements: * 5+ years experience as a fullstack or backend developer ... NextJS, Javascript/Typescript, React, CSS, Tailwind Process: * 30 minute conversation with a ...

Varsity Tutors

Web Development Tutor

Clifton, NJ · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

Varsity Tutors

Web Development Tutor

Jersey City, NJ · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

Spotify

Senior Backend Engineer, Podcast

New York, NY · Remote

$164K - $234K/yr

Familiarity with JavaScript or Ruby on Rails is a plus. * You have hands-on experience with cloud ... You are comfortable using AI-powered developer tools such as Claude as a core part of your ...

Jobsbridge

Web Developer

Warren, NJ · On-site

... back-end. Qualifications Java/J2EE, JSP, RDBMS, JavaScript, JQuery, HTML5, CSS3, JSON, XML, HTTP, AJAX Additional Information Only GC/Citizen/OPT/EAD

Varsity Tutors

Web Development Tutor

Paterson, NJ · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

Varsity Tutors

Web Development Tutor

Elizabeth, NJ · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

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All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in Fairfield, NJ

Javascript Backend Developer information

See Fairfield, NJ salary details

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$86

How much do javascript backend developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for javascript backend developer in Fairfield, NJ is $58.86, according to ZipRecruiter salary data. Most workers in this role earn between $48.27 and $69.62 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 Fairfield, NJ?

For Javascript Backend Developer jobs in Fairfield, NJ, the most frequently searched job titles are:

What job categories do people searching Javascript Backend Developer jobs in Fairfield, NJ look for?

The top searched job categories for Javascript Backend Developer jobs in Fairfield, NJ are:

What cities near Fairfield, NJ are hiring for Javascript Backend Developer jobs?

Cities near Fairfield, NJ with the most Javascript Backend Developer job openings:

Javascript Backend Developer jobs near you

Backend Engineer

nitra

New York, NY • Hybrid

Full-time

Medical, Dental, Vision, Retirement

Re-posted 29 days ago

Job description

Who we are:
Nitra's mission is to build a more efficient healthcare system and the technology that makes it possible.  Our goal is to provide an ecosystem of fintech and software solutions that help doctors better manage their practices, so they can have time back to focus on what matters to them most.
 
We operate with urgency, intensity, and ambition. The bar is high because the opportunity is massive. We expect excellence, ownership, and intellectual rigor from every team member. We move fast, make bold decisions, and hold ourselves accountable to results. At the same time, we believe great companies are built on trust and respect. Every voice matters. Every contribution counts. When we win, we win together.
 
We are scaling rapidly and on a clear trajectory toward becoming a unicorn this year — and beyond. Our growth is not accidental; it’s the result of disciplined execution, relentless focus, and a team that refuses to settle. We are building a category-defining company, and we’re looking for people who want to do the most meaningful work of their careers.
 
If you want comfort, this isn’t the place.
If you want impact, ownership, and the chance to help build a generational fintech company, welcome.
 
Nitra was created by unicorn founders who have successfully scaled to thousands of customers and exited $1B+ public offerings. They are joined by an ambitious and experienced team from American Express, Citi, PayPal, Capsule, Plaid, Bloomberg, Meta, Facebook, and Mastercard. The team is backed by some of the world’s leading VCs (Andreessen Horowitz, NEA, etc.) and is supported by an expert group of advisors including the cofounders of Square and Xendit, executives from Intuit, former Governors, White House senior staffers, and a co-founder of CityMD.
 
Nitra maintains a hybrid work policy, with team members working from the office four days per week and Wednesdays designated as a work-from-home day.
 
We're looking for:
A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our mission to bring better finance solutions to millions of businesses in the United States. We need high-achieving and goal-oriented individual who will help Nitra to deliver on an ambitious roadmap of innovative banking and SaaS products.
Your responsibilities will include:
  • Independently communicate with Customer Support to investigate and resolve customer-reported issues.
  • Design database schemas and APIs for small-to-medium scoped features.
  • Implement features following internal engineering principles and guidelines.
  • Provide estimates for their own work and communicate progress and risks proactively to the team.
You have:
  • Deep experience with and understanding of:
  • JavaScript (5+ years)
  • Node.js (5+ years)
  • Express.js framework (2+ years)
  • APIs (5+ years)/Building fintech backend APIs (1+ years)
  • Databases (PostGreSQL) (2+ years)
  • Architecture (2+ years)
  • Fintech web applications (1+ years)
  • The ability to see challenges as opportunities to level up. High-achieving and goal-oriented. A self-starter, you are always able to understand the bigger picture, and take a leading role to impact it.
  • A collaborative spirit and the ability to communicate effectively with stakeholders, Highly collaborative and transparent in your work, output, and decision making.
  • A winning mindset and entrepreneurial spirit.
  • Passion for creative thinking and bold ideas for growing the business/enhancing customer experience. Always curious, ready to ask questions, and open to being questioned.
  • Expert time management and organizational skills.
  • The desire to be mentored by a unicorn founding CTO and engineers with experience at top notch companies like Facebook. 
We offer:
  • Equity - Everyone at Nitra is an owner. When the company wins, you win
  • Competitive Salary - You’re the best of the best, and your salary will reflect your experience and reward your contributions to Nitra
  • Health Care - Your health comes first. We offer comprehensive health, vision, and dental insurance options.
  • Retirement Benefits - Your financial stability matters to us so we provide a generous employer 401K match
  • Nitra maintains a hybrid work policy, with team members working from the office four days per week and Wednesdays designated as a work-from-home day.
The base salary range for this full-time position is $110k - $150k + bonus + equity + benefits. Our salary ranges are determined by role, level, and location. The range displayed reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. Please note that the compensation details listed reflect the base salary only, and do not include bonus, equity, or benefits.
 
Nitra values diversity. We are committed to equal opportunities and creating an inclusive environment for all our employees. We welcome applicants regardless of ethnicity, national origin or ancestry, gender, race, religious beliefs, disability, sex, sexual orientation, age, veteran status, genetic information, citizenship, or any other characteristic protected by law.