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Trainee Junior Javascript Developer Jobs in Pennsylvania

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Jr. Software Developer

Mechanicsburg, PA · On-site

$70K - $80K/yr

... hire a Jr. Software Developer to support a DLA client's full software development lifecycle; to ... NET, JavaScript, SQL, or comparable technologies through coursework, projects, internships, or ...

SofterWare, Inc

Junior Front-End Developer

Fort Washington, PA · On-site +1

$100K - $116K/yr

The Junior Front-End Developer supports the development, maintenance, and continuous improvement of ... Basic proficiency with JavaScript, TypeScript, HTML5, and CSS3. * Familiarity with Angular or ...

SofterWare, Inc

Junior Front-End Developer

Fort Washington, PA · On-site

$100K - $116K/yr

The Junior Front-End Developer supports the development, maintenance, and continuous improvement of ... Basic proficiency with JavaScript, TypeScript, HTML5, and CSS3. * Familiarity with Angular or ...

Jobsbridge

Junior Java Developer

Philadelphia, PA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... CSS) - Javascript - jQuery - AngularJS - MySQL -Experience with iOS and Android Development ...

Ballard Spahr LLP

Junior Software Engineer

Bristol, PA · On-site +1

$75K - $95K/yr

Contribute to Azure DevOps CI/CD pipelines and deployment processes. * Assist with support and ... Experience building responsive applications using React, Next.js, and JavaScript/TypeScript.

Ballard Spahr LLP

Junior Software Engineer

Creamery, PA · On-site +1

$75K - $95K/yr

Contribute to Azure DevOps CI/CD pipelines and deployment processes. * Assist with support and ... Experience building responsive applications using React, Next.js, and JavaScript/TypeScript.

Ballard Spahr LLP

Junior Software Engineer

Lenni, PA · On-site +1

$75K - $95K/yr

Contribute to Azure DevOps CI/CD pipelines and deployment processes. * Assist with support and ... Experience building responsive applications using React, Next.js, and JavaScript/TypeScript.

Ballard Spahr LLP

Junior Software Engineer

Darby, PA · On-site +1

$75K - $95K/yr

Contribute to Azure DevOps CI/CD pipelines and deployment processes. * Assist with support and ... Experience building responsive applications using React, Next.js, and JavaScript/TypeScript.

Ballard Spahr LLP

Junior Software Engineer

PA · On-site +1

$75K - $95K/yr

Contribute to Azure DevOps CI/CD pipelines and deployment processes. * Assist with support and ... Experience building responsive applications using React, Next.js, and JavaScript/TypeScript.

Ballard Spahr LLP

Junior Software Engineer

Lederach, PA · On-site +1

$75K - $95K/yr

Contribute to Azure DevOps CI/CD pipelines and deployment processes. * Assist with support and ... Experience building responsive applications using React, Next.js, and JavaScript/TypeScript.

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Trainee Junior Javascript Developer information

What types of projects can a trainee junior JavaScript developer expect to work on during their first year?

As a Trainee Junior Javascript Developer, you will typically start by assisting with smaller tasks such as bug fixes, writing unit tests, or implementing basic features under the guidance of senior developers. Over time, you'll gain exposure to collaborative projects like developing user interfaces, integrating APIs, or maintaining front-end codebases using frameworks such as React or Vue.js. These projects help you build technical skills while learning best practices in code review, version control, and agile workflows. Regular mentorship and code feedback are common, fostering rapid professional growth in a supportive team environment.

What does a trainee junior JavaScript developer do?

A Trainee Junior Javascript Developer is an entry-level professional who assists in building and maintaining web applications using JavaScript. They typically work under the guidance of more experienced developers, learning to write clean code, debug simple issues, and use frameworks like React or Node.js. This role is designed to help individuals develop foundational programming skills and gain practical experience in real-world software development projects.

What is the difference between Trainee Junior Javascript Developer vs Junior Web Developer?

AspectTrainee Junior Javascript DeveloperJunior Web Developer
Required CredentialsBasic coding knowledge, often in training or bootcampSome experience or formal education in web development
Work EnvironmentInternship or entry-level training programFull-time role in a development team
Employer UsageTraining programs, startups, or companies hiring entry-levelEstablished companies, agencies, or startups

In summary, a Trainee Junior Javascript Developer is typically in training or an internship, focusing on learning JavaScript basics, while a Junior Web Developer has more experience and handles broader web development tasks. Both roles serve as entry points but differ in experience level and responsibilities.

What are the key skills and qualifications needed to thrive as a trainee junior JavaScript developer, and why are they important?

To thrive as a Trainee Junior Javascript Developer, you need a solid understanding of JavaScript fundamentals, HTML, CSS, and a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, basic knowledge of frameworks such as React or Node.js, and exposure to development environments are typically required. Strong problem-solving skills, eagerness to learn, and effective communication set candidates apart in this role. These skills and qualities are crucial for adapting to fast-paced development teams and building a foundation for future growth in software engineering.
What are popular job titles related to Trainee Junior Javascript Developer jobs in Pennsylvania? For Trainee Junior Javascript Developer jobs in Pennsylvania, the most frequently searched job titles are:
What job categories do people searching Trainee Junior Javascript Developer jobs in Pennsylvania look for? The top searched job categories for Trainee Junior Javascript Developer jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for Trainee Junior Javascript Developer jobs? Cities in Pennsylvania with the most Trainee Junior Javascript Developer job openings:
Trainee Junior Javascript Developer jobs near you
Infographic showing various Trainee Junior Javascript Developer job openings in Pennsylvania as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Jr. Software Developer

Connected Logistics

Mechanicsburg, PA • On-site

$70K - $80K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted yesterday

Job description

Contingent Contract Award
ONSITE-Mechanicsburg, PA
Anticipated State date 9/1/2026
Connected Logistics is seeking to hire a Jr. Software Developer to support a DLA client's full software development lifecycle; to provide in-depth knowledge of requirements development, system design, system performance, and software programming; and to design and manage the database and deployment of software.
Requirements
Required Qualifications
  • Bachelor's degree in computer science, Software Engineering, Information Systems, or a related field, or equivalent practical experience through internships, military service, projects, or professional development.
  • General understanding of object-oriented programming, web development, relational databases, and software testing.
  • Exposure to C#, VB.NET, .NET, JavaScript, SQL, or comparable technologies through coursework, projects, internships, or employment.
  • Familiarity with Git, source control concepts, debugging, and peer review.
  • Strong problem-solving, critical-thinking, communication, and teamwork skills, with a willingness to learn both modern and legacy technologies.
  • Interest in using AI-assisted development tools responsibly to support coding, testing, research, and documentation.
  • Ability to work onsite three days per week.
  • U.S. citizen with a current T3 investigation.

Preferred Experience
  • Experience with .NET 8+, React, Angular, JavaScript, jQuery, SQL Server, Entity Framework, or another ORM.
  • Familiarity with APIs and web application development.
  • Exposure to automated testing and modern software development practices.
  • Exposure to AI coding tools, agents, MCP servers, or retrieval-augmented generation.
  • Experience related to Department of Defense systems, military logistics, finance, property accountability, maintenance, supply chain, or enterprise applications
  • Prior experience supporting the DLA Defense Property Accountability System (DPAS) or the DLA Enterprise Logistics Management System (ELMS).

Total Rewards Statement
We believe in fairness and clarity throughout our hiring process. The anticipated salary range for this position is $70,000.00 to $80,000.00 USD. This is a good-faith range based on factors such as your experience, geographic location, and any applicable contractual requirements, and may vary slightly.
Beyond salary, we provide a robust benefits package and encourage ongoing professional development, because your growth and well-being matter to us. We're excited to support you in building a rewarding career with us!
Connected Logistics respects the need for confidentiality for all applicants.
Connected Logistics has been named a 2026 WTOP Top Workplace in the medium sized business category. Our mission is clear: we deliver mission-focused IT, cybersecurity, logistics, and enterprise modernization support to federal agencies. When we invest in our people and create an environment where they feel valued and empowered, we deliver stronger outcomes for our clients and the missions we support.
Connected Logistics offers an excellent benefits package that includes health, dental, vision, life, and disability insurance, a great 401(k) package, and generous Paid Time Off.
EOE/Disability/Veterans

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