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Junior Javascript Developer Jobs in Haddonfield, NJ

VeeRteq Solutions Inc.

Automation Tester

Malvern, PA · On-site

$45.25 - $59.50/hr

... junior QA engineers and promote automation best practices Required Skills * Strong experience in Playwright automation (UI & API testing) * Proficiency in Python scripting (preferred) or JavaScript ...

Aveva

Software Developer

Philadelphia, PA · Hybrid

$92K - $153K/yr

Acting as a technical mentor for more junior developers Qualification: * A Bachelor's Degree ... NET, JavaScript, etc. * Familiarity with software design patterns (objected oriented design ...

AVEVA

Software Developer

Philadelphia, PA · On-site

$92K - $153K/yr

Acting as a technical mentor for more junior developers Qualification: * A Bachelor's Degree ... NET, JavaScript, etc. * Familiarity with software design patterns (objected oriented design ...

Xactus

Senior Full Stack Engineer

Broomall, PA · On-site +1

NET Core, ASP.NET Web Forms, Angular, TypeScript/JavaScript, SQL Server, and Azure. The Senior Full ... junior developers, and document specialized system knowledge to support knowledge transfer.

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How much do junior javascript developer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for junior javascript developer in Haddonfield, NJ is $85,717.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,500.00 and $83,800.00 per year, depending on experience, location, and employer.

What is a junior JavaScript developer?

A Junior JavaScript Developer is an entry-level programmer who specializes in using JavaScript to build web applications, websites, and front-end interfaces. They work under the guidance of senior developers to implement interactive features, troubleshoot issues, and improve functionality. Their responsibilities may include writing clean code, debugging, collaborating with designers, and learning new technologies. Typically, they are expected to have a basic understanding of JavaScript, HTML, CSS, and frameworks like React or Vue.js. This role is ideal for those starting their career in web development and looking to gain hands-on experience in a professional setting.

What are the typical daily responsibilities of a junior JavaScript developer?

As a Junior Javascript Developer, your day-to-day tasks often include writing and testing JavaScript code, fixing bugs, maintaining existing web applications, and collaborating on new features under the guidance of senior developers. You'll likely work closely with designers, backend developers, and QA testers to ensure seamless user experiences. Regularly attending team meetings, participating in code reviews, and updating documentation are also common. This collaborative and supportive environment is designed to help you develop your technical skills while contributing to real projects.

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

To thrive as a Junior Javascript Developer, you need a solid understanding of JavaScript fundamentals, HTML, CSS, and basic web development concepts, often supported by a relevant degree or coding bootcamp completion. Familiarity with tools such as version control systems (like Git), browser developer tools, and frameworks like React or Node.js is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you stand out in this position. These attributes are crucial for efficiently developing and maintaining web applications, collaborating with team members, and adapting to evolving project requirements.

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

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Cities near Haddonfield, NJ with the most Junior Javascript Developer job openings:

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QA Automation Engineer / Developer

Vertical Screen Inc.

Mount Laurel, NJ • On-site

$90K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago

Job description

About Us
Think background checks are boring? Think again. At Vertical Screen, we're the behind-the-scenes heroes helping companies hire with confidence. Vertical Screen is one of the world's leading applicant screening firms - but we're not your typical background check company. With our family of companies - Business Information Group, Certiphi Screening, Truescreen, and our sister company Fieldprint - we support some of the biggest names in business, healthcare, education, and government.
We're proud to be at the cutting edge of the screening industry, building smart technology that delivers fast, accurate results. But what really sets us apart? Our people. We're a team of kind, collaborative professionals who genuinely care about what we do - and about each other.
Sound like your kind of place? Come join a company where your attention to detail, great communication skills, and friendly attitude can make a real difference - every single day.
Job Description
We are seeking a detail-oriented and technically skilled QA Automation Engineer to design, develop, and maintain automated testing solutions that improve software quality, increase testing efficiency, and support continuous delivery initiatives. The ideal candidate will have hands on experience creating and implementing QA automation frameworks, executing automated test suites, and collaborating with cross-functional teams throughout the software development lifecycle.
This position is remote but must be local to be able to travel to the office in Mt. Laurel, NJ or Warminster, PA.
This position pays $90,000-$120,000
Responsibilities
  • Design, develop, and maintain automated test frameworks and test scripts for web, API, mobile, and/or backend applications.
  • Create and implement QA automation strategies aligned with project and organizational goals.
  • Develop reusable automation components and scalable testing solutions.
  • Execute automated regression, integration, functional, and smoke test suites.
  • Integrate automated testing into CI/CD pipelines to support continuous testing practices.
  • Collaborate with developers, business analysts, product owners, and QA teams to understand requirements and define test coverage.
  • Identify, document, and track software defects and testing issues.
  • Analyze test results and provide detailed reporting on software quality metrics.
  • Participate in test planning, test case design, and risk assessments.
  • Maintain test environments, test data, and automation documentation.
  • Support performance, load, and API testing initiatives where applicable.
  • Continuously evaluate and recommend improvements to automation tools, frameworks, and QA processes.
  • Mentor junior QA team members on automation best practices and testing standards.

Required Skills
  • High School diploma or equivalent is required; Bachelor's degree in Computer Science, Information Technology, Engineering, or related field, or equivalent experience is preferred.
  • 3+ years of experience in software quality assurance and test automation development.
  • Hands-on experience creating and implementing QA automation frameworks.
  • Proficiency with automation tools such as Selenium, Cypress, Playwright, or similar technologies.
  • Strong experience with API testing tools such as Postman or REST-assured.
  • Experience testing enterprise integrations, APIs, or cloud-based platforms
  • Strong programming/scripting skills in Java, JavaScript, Python, C#, or similar languages.
  • Experience with CI/CD tools such as Jenkins, GitLab, or Azure DevOps.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Experience with version control systems such as Git.
  • Experience with containerization and cloud environments.
  • Extensive experience with database testing and SQL queries.
  • Experience with test management and defect tracking tools such as Jira or TestRail; as well as integration of automation testing to these platforms.
  • Manual testing experience.

Preferred Qualifications
  • Familiarity with Agile/Scrum development methodologies.
  • Knowledge of performance testing tools such as JMeter.
  • ISTQB or other QA certifications preferred.
  • Leadership experience a plus.
  • Project Management experience a plus.

Technical Skills
  • Test Automation Framework Design
  • Functional and Regression Testing
  • API Automation Testing
  • CI/CD Integration
  • Test Data Management
  • Defect Lifecycle Management
  • SQL and Database Validation
  • Agile Testing Practices
  • Performance and Load Testing
  • Risk-Based Testing
  • Programming/scripting in Java, JavaScript, Python, C#, or similar languages.

Soft Skills
  • Strong communication and collaboration skills
  • Attention to detail
  • Self-starter mentality
  • Logical thinker
  • Follow through
  • Ability to handle multiple projects simultaneously
  • Ability to follow instructions, to work independently and manage priorities, while providing updates and adhering to timelines
  • Strong organizational and documentation skills
  • Continuous improvement mindset

Sample Technologies
  • Selenium WebDriver
  • Cypress
  • Playwright
  • Postman
  • REST Assured
  • Jenkins
  • GitHub/GitLab
  • Azure DevOps
  • JIRA
  • SQL

Success Metrics
  • Increased automated test coverage
  • Reduction in manual regression and smoke testing efforts
  • Improved defect detection earlier in the SDLC
  • Faster release cycles through automation
  • Stable, maintainable and updated automation framework implementation

Education
  • A high school diploma or GED is required.
  • A college diploma or university degree in software engineering, computer science, or business administration or equivalent work experience is preferred.

Benefits
Vertical Screen offers a comprehensive suite of benefits, an environmentally friendly workplace and flexible scheduling to assist employees in managing their lives outside of work.
  • Medical, dental and vision coverage with spouse/family coverage options
  • 401K plan with generous company match
  • Flexible spending accounts
  • Voluntary insurance coverage plans (life, disability, etc.)
  • Paid time off
  • Paid holidays
  • Casual dress code
  • Employee referral bonus program

Additional Information
All candidates are subject to a drug test and a background screening.
Vertical Screen, Inc is an equal opportunity employer. Qualified candidates will be considered in a non-discriminatory manner without regard to legally protected characteristics.

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