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Junior Full Stack Developer Jobs in Union, NJ (NOW HIRING)

MLabs

Junior Full Stack Engineer

New York, NY · On-site

Junior Full Stack Engineer Location: New York (Office) Onsite Full-time Compensation: Competitive Our client is a high-performance technology development firm responsible for building and operating ...

MLabs

Junior Full Stack Engineer

New York, NY · On-site

Junior Full Stack Engineer Location: New York (Office) Onsite | Full-time Compensation: Competitive Our client is a high-performance technology development firm responsible for building and operating ...

MLabs

Junior Full Stack Engineer

New York, NY

Junior Full Stack Engineer Location: New York (Office) Onsite | Full-time Compensation: Competitive Our client is a high-performance technology development firm responsible for building and operating ...

Next Step Systems

Full Stack Developer

New York, NY · On-site

Full Stack Developer, New York City, NY Have 2 openings. These Full Stack Developer positions are 12 month contracts. These positions are not open for Sponsorship. US Citizen/Green Card Holder only ...

Next Step Systems

Full Stack Developer

Weehawken, NJ · On-site

Full Stack Developer, Weehawken, NJ Have 2 openings for the Full Stack Developer opening. These are 12 month contracts. These positions are not open for Sponsorship. US Citizen/Green Card Holder only ...

Navtech, Inc.

Full Stack Developer

Livingston, NJ · On-site

I have an opportunity for "Full Stack Developer" and looking for a candidate who can join Immediately if you are interested reply me with your updated resume or consultant's contact details and if ...

Pharo Management

Full Stack Developer

New York, NY · On-site

$175K - $200K/yr

Full Stack Developer Who we are: Pharo Management is a leading global macro hedge fund with a focus on emerging markets. Founded in 2000, the firm has offices in London, New York, Hong Kong and Abu ...

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All JobsFull Stack Developer JobsJunior Full Stack Developer JobsJunior Full Stack Developer Jobs in Union, NJ

Junior Full Stack Developer information

See Union, NJ salary details

$24.5K

$90.7K

$140.1K

How much do junior full stack developer jobs pay per year?

As of Jun 17, 2026, the average yearly pay for junior full stack developer in Union, NJ is $90,669.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,300.00 and $88,700.00 per year, depending on experience, location, and employer.

What is the difference between Junior Full Stack Developer vs Front End Developer?

AspectJunior Full Stack DeveloperFront End Developer
Required SkillsHTML, CSS, JavaScript, basic backend knowledge, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design, frameworks like React, Angular, or Vue
Work EnvironmentCollaborates on both client-side and server-side projects, often in startups or tech companiesFocuses on user interface and experience, primarily in web development teams
Common UsageEntry-level role for full stack development in various industriesSpecialized role focusing on front-end development in web projects

The main difference is that a Junior Full Stack Developer works on both front-end and back-end tasks, while a Front End Developer specializes in creating and optimizing user interfaces. The Junior Full Stack Developer has a broader skill set, whereas the Front End Developer focuses more on design and user experience.

What does a junior full stack developer do?

A junior full stack developer assists in designing, developing, and maintaining both the front-end and back-end components of web applications. They typically work with programming languages like JavaScript, HTML, CSS, and server-side technologies, often under the guidance of senior developers. Their role involves writing code, debugging, and collaborating with teams to deliver functional software solutions.

What are the key skills and qualifications needed to thrive as a Junior Full Stack Developer, and why are they important?

To thrive as a Junior Full Stack Developer, you need a solid understanding of front-end and back-end programming languages (such as JavaScript, HTML/CSS, and a back-end language like Python or Node.js), along with a relevant degree or coding bootcamp certification. Familiarity with frameworks (like React or Angular), version control systems (such as Git), and basic database management is typically required. Strong problem-solving skills, adaptability, and effective teamwork set standout developers apart. These skills are crucial for building robust, user-friendly applications and collaborating efficiently in fast-paced development environments.

What is a Junior Full Stack Developer?

A Junior Full Stack Developer is an entry-level software engineer who is capable of working on both the front-end and back-end components of web applications. They typically have foundational knowledge of programming languages such as JavaScript, HTML, CSS, as well as experience with frameworks like React, Node.js, or similar technologies. Junior Full Stack Developers collaborate with more experienced developers to build, test, and maintain web applications. Their responsibilities often include writing code, debugging, and learning best practices under supervision. This role is ideal for individuals looking to grow their skills in all areas of web development.

What Does a Junior Full Stack Developer Do?

A full stack developer works on both the user-facing and back-end elements of websites and applications. A junior full stack developer works under the supervision of a senior developer. In this position, your duties include handling coding responsibilities for front-end, user-facing elements. You use JavaScript, HTML, and CSS for this part of the job. You also use languages such as Python, SQL, and PHP for the back-end system of a website, including the database, cloud network, and security features. In addition to coding, you test and debug your developments and work with other team members using development strategies and methodologies.

Can I learn full stack in 3 months?

Becoming a Junior Full Stack Developer in 3 months is challenging but possible with intensive study, focusing on core skills like HTML, CSS, JavaScript, and backend frameworks. Success depends on prior experience, learning pace, and dedication, but typically, full proficiency requires longer training and practical experience.

Will AI replace full stack dev?

AI is unlikely to fully replace full stack developers, as their role involves complex problem-solving, creativity, and understanding user needs that current AI cannot replicate. Instead, AI tools can assist developers by automating repetitive tasks and enhancing productivity, allowing them to focus on more strategic aspects of development. Continuous learning and adapting to new technologies remain essential for full stack developers to stay relevant in the evolving tech landscape.

What are some common challenges Junior Full Stack Developers face during their first year on the job?

Junior Full Stack Developers often encounter challenges such as balancing the demands of both front-end and back-end development, adapting to new frameworks or tools, and managing time effectively across multiple projects. Collaborating with more experienced team members and understanding how to communicate technical concepts clearly can also be a learning curve. Regular code reviews and mentorship are commonly provided to help junior developers grow their skills and confidence in a supportive team environment.

How much do junior full stack developers make?

Junior full stack developers typically earn between $50,000 and $80,000 annually, depending on location, industry, and experience. Entry-level roles often require knowledge of programming languages like JavaScript, Python, or Java, and familiarity with frameworks such as React or Node.js.
More about Junior Full Stack Developer jobs
What are the most commonly searched types of Full Stack Developer jobs in Union, NJ? The most popular types of Full Stack Developer jobs in Union, NJ are:
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What job categories do people searching Junior Full Stack Developer jobs in Union, NJ look for? The top searched job categories for Junior Full Stack Developer jobs in Union, NJ are:
What cities near Union, NJ are hiring for Junior Full Stack Developer jobs? Cities near Union, NJ with the most Junior Full Stack Developer job openings:
Junior Full Stack Developer jobs near you
Infographic showing various Junior Full Stack Developer job openings in Union, NJ as of June 2026, with employment types broken down into 65% Full Time, 16% Part Time, 3% Temporary, and 16% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $90,669 per year, or $43.6 per hour.

Junior Full Stack Developer - JavaScript

The Rockridge Group

Jersey City, NJ

Full-time

Posted 3 days ago

Job description

Title: Junior Full Stack Developer - JavaScript
Position: Full Time
Location: Jersey City, NJ
Group Details:
Company X provides advanced fixed income trading solutions for financial advisors, the institutional buyside, traders and broker dealers. The platform demonstrates our core strengths – experience and expertise – to bring innovation and efficiency to the wealth management community. Tradeweb Direct was formed following the acquisition of Bond Desk Group in 2013 and its subsequent integration with Tradeweb Retail. Tradeweb Direct is now synonymous with superior execution, providing clients with easy access to live offerings, and the most accurate pricing in the marketplace.
Job Responsibilities:
  • Adapts and extend existing re-usable components and libraries.
  • Develops high quality software while meeting deadlines
  • Assists with rollout and post production support
  • Presents ideas for system improvements
  • Design or upgrade an existing software to ensure product performance and quality expectations are met
Required Qualifications:
• Bachelor's degree in Computer Science or related discipline
• Excellent written and verbal communication skills
• Must be a creative problem solver
• 3+ Years of JavaScript development experience
• 2+ Years of Java development experience
• Experience with multi-threaded programming
ADDITIONAL PREFERRED EXPERIENCE:
• Ext JS, React, Angular, Atmosphere, Zebkit,
• Finagle, Kafka, Lucene, Elasticsearch, Cassandra
• Tomcat, Node.js
• SQL
• Git, Maven, Gradle
• UNIX / Linux
• C++, Perl, and Unix shell scripting
• Experience with financial transaction systems
• Knowledge of the fixed income and financial markets is highly desirable.