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Senior Javascript Developer Jobs in New Jersey (NOW HIRING)

Senior React developer

Princeton, NJ · On-site

$57.75 - $76.25/hr

... developers), optimizing application performance, and staying up-to-date with the latest industry ... Strong foundational knowledge of JavaScript, HTML, CSS, and front-end development principles is ...

Senior- Java Developer

Jersey City, NJ · On-site

$62.75 - $80/hr

... Javascript, JQuery, JSON, CSS • Oracle Weblogic, Apache HTTP 3-4 years of experience with the ... Java Programmer desirable Best Regards Syed Imran Sr Technical Recruiter 224-296-3522 | syed ...

senior .net developer

Jersey City, NJ

$57.50 - $73/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... for a Senior .Net developer with minimum 8 years of industry experience in the following ... Strong JavaScript skills and experience utilizing frontend UI frameworks (bootstrap, Angular JS ...

Sr Angular Developer

Newark, NJ · On-site

$57.25 - $70/hr

Location: NJ - REMOTE Client is looking for a Senior Angular Developer Primary Duties and ... A solid understanding of HTML, CSS, and core JavaScript concepts. * A solid understanding of ...

Sr. UI Developer

Warren, NJ · On-site

$62.25 - $80.75/hr

Title: Sr. UI Developer Location: Warren, NJ and Atlanta/Alpharetta, GA Duration: 2+ Years ... Hands on development experience is required on XML, jQuery, CSS/CSS3, JSON, HTML5, CSS3, JAVASCRIPT ...

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Senior Javascript Developer information

See New Jersey salary details

$31

$61

$81

How much do senior javascript developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for senior javascript developer in New Jersey is $61.33, according to ZipRecruiter salary data. Most workers in this role earn between $54.90 and $69.81 per hour, depending on experience, location, and employer.

What is a senior JavaScript developer?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

What are the key skills and qualifications needed to thrive as a senior JavaScript developer?

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What are typical challenges faced by senior JavaScript developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

What are the most commonly searched types of Javascript Developer jobs in New Jersey?

The most popular types of Javascript Developer jobs in New Jersey are:

What job categories do people searching Senior Javascript Developer jobs in New Jersey look for?

The top searched job categories for Senior Javascript Developer jobs in New Jersey are:

What cities in New Jersey are hiring for Senior Javascript Developer jobs?

Cities in New Jersey with the most Senior Javascript Developer job openings:

What are popular job titles related to Senior Javascript Developer jobs in NJ?

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

Infographic showing various Senior Javascript Developer job openings in New Jersey as of August 2026, with employment types broken down into 84% Full Time, 3% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $127,557 per year, or $61.3 per hour.

Senior Java Developer/AWS

Cognizant Technology Solutions

Mount Laurel, NJ • On-site

$56.75 - $72.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago


Cognizant rating

7.2

Company rating: 7.2 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

53rd of 72 rated business consultants


Job description

Description - External
Senior Java Developer/AWS
Cognizant's Digital Engineering practice is seeking a highly qualified Senior Java Developer/AWS (Hybrid) with 8+ year of experience developing and building high-performing, scalable, enterprise applications. You will be part of a digital software team that works on high-demand applications. Our engineers have a passion for high-quality, reliable and maintainable code. You will work side by side with product managers, designers, and clients, making decisions together to quickly deliver valuable working software to clients and their users. Our engineers are agile and retrospective, and not afraid to identify what we're doing wrong, so we can fix it, and what we're doing right, so we can improve on it. Above all, we judge success by the success of our team and the happiness of our customers.
Cognizant Digital Engineering If you're like us, you've got big ideas. At Cognizant, we're exploring new ideas every day. We help industry leading companies reinvent their business models and innovate products that create new value-by connecting people with things, insights and experiences. Cognizant digital engineering designs, engineers and delivers digital products and experiences that drive digital-first business models. We offer the most comprehensive digital engineering expertise and client-centric methodology for sustainable innovation.
Location: Mount Laurel - NJ (Hybrid)
*Please note that this position is not eligible for visa transfer or sponsorship now or at any time in the future*
Responsibilities:
• Develop and maintain high-quality software solutions using Java, Spring Boot, AWS, JavaScript, and MySQL to meet business requirements.
• Collaborate with cross-functional teams to design and implement scalable, high-performance system architectures.
• Troubleshoot complex technical issues, ensuring system reliability, security, and minimal downtime.
• Write clean, efficient, and well-documented code, conduct code reviews, and follow best practices for quality and consistency.
• Participate in Agile processes, mentor junior developers, and work with stakeholders to translate requirements into technical solutions, including optimization of databases and domain-specific solutions (Cards & Payments).
Qualifications:
• 8+ years of experience with Strong proficiency in Java, Spring Boot, AWS, JavaScript, SQL, and MySQL, with hands-on experience building scalable applications.
• Solid understanding of software development lifecycle (SDLC), Agile methodologies, and secure coding best practices.
• Excellent problem-solving and analytical skills, with the ability to troubleshoot complex technical issues and translate business requirements into technical solutions.
• Strong communication and collaboration skills, with experience working across cross-functional teams and mentoring junior developers.
• Experience with database optimization, code quality practices (code reviews, documentation), and domain knowledge in Cards & Payments is highly desirable.
Salary and Other Compensation:
Applications will be accepted until June 15th, 2026.
The annual salary for this position is between $ 68,422 $ to 131,500 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

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