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

Staffingine LLC

Java Full Stack Developer

New York, NY · On-site

$57.50 - $74/hr

Java Full Stack Developer Job Location: New York City, NY Job Type: Contract * Full Stack Development Build user facing interfaces HTML CSS JS Angular React and server side logic Java Spring Boot

Judge Group, Inc.

Full stack Developer - V

Edison, NJ · Hybrid

Full-stack Developer Work Model: Hybrid (2 days/week in-office) Experience Required: 10+ years Responsibilities: * Develop and integrate server-side web application logic with front-end components.

BC Forward

Full Stack Developer

Jersey City, NJ

We are seeking a Full Stack Developer to join our dynamic team. The ideal candidate will have strong experience in backend services, data engineering, and ETL development and a proven ability to ...

TMS

Java Full Stack Developer

New York, NY · On-site

$57.50 - $74/hr

Job Title: Java Full Stack Developer (60% Backend & 40% Frontend) Location: New York City, NY (Hybrid) Duration: CTH 6 months Expr level - 10+ years Mandatory Skills: Angular, Java, Java ...

Marotta Controls, Inc.

Full-Stack Developer

Parsippany, NJ · On-site

$98K - $115K/yr

Full-Stack Developer Essential Functions The Enterprise Data and Process Automation Team, within Marotta's IT Department, is seeking a highly skilled Full Stack Developer with Amazon Web Services ...

Zealthy

Full Stack Developer

Manhattan, NY · On-site

We are actively looking for a full-time Full Stack Developer. Please note that this is a full-time, in-person role based in New York, NY. If you are interested in remote or hybrid opportunities, this ...

Zealthy

Full Stack Developer

New York, NY

We are actively looking for a full-time Full Stack Developer. Please note that this is a full-time, in-person role based in New York, NY. If you are interested in remote or hybrid opportunities, this ...

Zealthy

Full Stack Developer

Manhattan, NY · On-site

We are actively looking for a full-time Full Stack Developer. Please note that this is a full-time, in-person role based in New York, NY. If you are interested in remote or hybrid opportunities, this ...

Marencor

Full Stack Developer

New York, NY · On-site

Full Stack Software Developer Location: New York, NY Role Summary: Develop secure, accessible, and scalable user interfaces and APIs that interact with ML and GenAI systems. Responsibilities: * Build ...

The Real Deal

Full Stack Developer

New York, NY

$120K/yr

Job Details: We're looking for a Full Stack Developer to help build and scale our digital products, including a real estate analytics platform powered by large datasets. You'll work across the stack ...

The Real Deal

Full Stack Developer

New York, NY · On-site

$110K - $120K/yr

Job Details: We're looking for a Full Stack Developer to help build and scale our digital products, including a real estate analytics platform powered by large datasets. You'll work across the stack ...

Apex Informatics

Java Full Stack developer

Jersey City, NJ · On-site

$57.50 - $74.25/hr

Java Full Stack developer Location: Jersey City, NJ ( 3 days onsite 2 days remote) Exp: 8+ years look for nearby Candidates ( Only W2) Must Have Skills : Java 5+ years (602/603) stay in rate Spring ...

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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.
Java Full Stack Developer

Java Full Stack Developer

Staffingine LLC

New York, NY • On-site

$57.50 - $74/hr

Contractor

Posted 24 days ago

Job description

Job Title:  Java Full Stack Developer
Job Location: New York City, NY
Job Type: Contract

Job Description:

  • Full Stack Development Build user facing interfaces HTML CSS JS Angular React and server side logic Java Spring Boot
  • Database Management Design develop and maintain relational databases SQL Oracle PostgreSQL
  • API Microservices Develop test and integrate RESTful APIs and microservices architectures
  • Testing Debugging Perform unit testing troubleshoot applications and fix bugs to ensure quality
  • Deployment DevOps Deploy code to environments using containerization tools like Docker and Kubernetes
  • Collaboration Work with cross functional teams Product Managers QA in Agile Scrum environments

 

Required Skills Qualifications

  • Backend Strong proficiency in Java 8 Spring Framework and Spring Boot
  • Frontend Experience with HTML5 CSS3 JavaScript and frameworks like Angular or React
  • Database Experience with RDBMS Oracle MySQL SQL Server
  • Tools Experience with Git Maven and CICD tools
  • Methodologies Understanding of Agile development processes

 

Skills

Mandatory Skills : Angular, Java, Java Microservices, Java Spring Boot