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

Junior

Full Stack Engineer

Manhattan, NY · On-site

Junior is a company focused on building LLM-powered tools for investment research, serving top global private equity firms and consulting practices. They are looking for a Full Stack Engineer to join ...

Verus LLC

Full Stack Developer

Princeton, NJ · On-site

$110K - $120K/yr

SUMMARY The Full-Stack Developer is responsible for designing, developing, and maintaining web applications, ensuring high performance, scalability, and seamless user experiences. This role involves ...

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

Eliassen Group

Full Stack Developer

Jersey City, NJ · On-site

$85 - $89/hr

Hybrid 4 days on-site in Jersey City, NJ Our client seeks a Full Stack Developer with Angular ... Mentor junior and mid-level engineers to promote learning and technical excellence. * Partner with ...

Eliassen Group

Full Stack Developer

Jersey City, NJ · On-site

$85 - $89/hr

Hybrid 4 days on-site in Jersey City, NJ Our client seeks a Full Stack Developer with Angular ... Mentor junior and mid-level engineers to promote learning and technical excellence. * Partner with ...

Judge Group, Inc.

Full stack Developer - V

Edison, NJ · On-site

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.

Computer Futures

Full Stack Developer

Jersey City, NJ · On-site

They are seeking a Full Stack Developer to develop micro services, integrate components, and build automated systems within a modern technology infrastructure. Responsibilities : • Develop micro ...

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 ...

Fox

Senior Full Stack Developer

New York, NY

FOX is seeking a Senior Full Stack Developer to help advance how we build, deliver, and operate large-scale production web applications in a regulated, high-traffic enterprise environment. This role ...

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Junior Full Stack Developer information

See Warren, NJ salary details

$24.9K

$92.4K

$142.8K

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

As of Aug 19, 2026, the average yearly pay for junior full stack developer in Warren, NJ is $92,401.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,600.00 and $90,300.00 per year, depending on experience, location, and employer.

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.

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 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.

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.

More about Junior Full Stack Developer jobs

What cities near Warren, NJ are hiring for Junior Full Stack Developer jobs?

Cities near Warren, 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 Warren, NJ as of August 2026, with employment types broken down into 89% Full Time, 5% Part Time, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $92,401 per year, or $44.4 per hour.

Full Stack Developer

Geethanjali College of Engineering and Technology

Jersey City, NJ • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Position: Full Stack Developer - P&C Insurance
Location: Jersey City, NJ - Hybrid
Duration: Long term contract
Mandatory Skills: 15 years' overall experience Java, Spring Boot, Angular, Azure, Microservices, Agentic AI workflows using LangGraph, LangChain, or comparable frameworks, P&C Insurance.
Application Requirements: Candidates must include their LinkedIn and Github profiles to go along with their applications. Note: Screening efforts have been strengthened; only the best candidates fully meeting these criteria will be submitted for review.
Position Summary
We are seeking a hands-on Full Stack AI Consultant to accelerate our AI-in-SDLC strategy, establish agentic workflow orchestration capabilities, and embed modern engineering best practices across the organization.
Key Responsibilities
  • Assess current engineering practices and deliver a prioritized modernization roadmap with AI integration at its core.
  • Build Enterprise Shared Services and APIs that could be reused across different product teams.
  • Define and execute an AI-in-SDLC strategy embedding intelligent automation across code generation, automated testing, code review, release notes, and deployment.
  • Design and implement agentic workflow orchestration using LangGraph, including multi-agent collaboration, tool integration, memory management, and human-in-the-loop patterns.
  • Build reusable reference implementations, libraries, and playbooks for AI-augmented engineering.
  • Drive adoption of DevOps, CI/CD, and observability practices with AI-driven enhancements.
  • Advise on engineering policies and standards that embed AI-first principles.
  • Upskill existing engineers on agentic AI patterns and AI-integrated development practices.

Qualifications & Experience
Core Engineering & Architecture:
  • 15+ years in software engineering with advisory experience.
  • Technical implementation experience that strictly aligns with the high seniority and depth required for this position.
  • Expertise in Java, Spring Boot, Angular, and cloud-native architectures on Microsoft Azure.
  • Strong background in microservices, Docker/Kubernetes, API-first design, and event-driven architectures.

AI & Agentic Systems (Strict Requirements):
  • Demonstrated, hands-on Agentic AI implementation experience.
  • Proven experience building, deploying, or operationalizing AI agents in production environments.
  • Demonstrated effective use of AI tools for software development and code review activities.
  • Ability to clearly explain AI-generated code, agent architectures, or multi-agent systems you have worked on.
  • Broad AI engineering expertise (experience that is highly platform-specific rather than demonstrating broader AI engineering expertise will not advance).
  • Hands-on experience orchestrating agentic AI workflows using LangGraph, LangChain, or comparable frameworks.
  • Proven ability to design multi-agent systems with tool use, planning, and RAG patterns.
  • Experience embedding AI into the SDLC like AI-assisted coding, intelligent test generation, automated documentation, and release automation.
  • Strong understanding of LLM orchestration, prompt engineering, and AI observability.

Domain & Soft Skills:
  • Insurance P&C domain experience strongly preferred.
  • Excellent communication skills with the ability to influence from engineering teams to senior leadership.
  • Track record of delivering measurable outcomes within time-bound engagements.

Education
• Bachelor's or Master's in Information technology, Computer Science or related field.
Work Environment
This job operates in a professional office environment. This role routinely uses standard office equipment, including but not limited to, computers, phones, and photocopiers.
Physical Demands
This position requires the frequent and repetitive use of a computer, keyboard, and mouse. Hand and finger dexterity is required.
Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

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