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Internship Full Stack Developer Jobs in Cresskill, NJ

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

Tekcel8

.NET Full Stack Developer

Manhattan, NY · On-site

Title: .NET Full Stack Developer Location: New York Duration: Long-Term Contract Experience: 8-15 Years Employment Type: Contract Job Summary: Coforge is seeking an experienced .NET Full Stack ...

MatchPoint Solutions

Full Stack Developer

Manhattan, NY · On-site

$65 - $70/day

Full Stack Developer Duration: 6 Months+ Location: New York, NY (Resources must currently reside within the New York Tri-State Area (New York, New Jersey, or Connecticut) and be able to commute to ...

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 ...

Fox

Senior Full Stack Developer

New York, NY · On-site

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 ...

Eliassen Group

Full Stack Developer

Manhattan, NY · On-site

$75 - $85/hr

Hybrid 3 days on site in New York, NY Our client seeks a Full Stack Developer to design, build, and maintain scalable applications and AI-driven automation. The role requires end-to-end development ...

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 · 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

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 ...

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All JobsFull Stack Developer JobsInternship Full Stack Developer JobsInternship Full Stack Developer Jobs in Cresskill, NJ

Internship Full Stack Developer information

See Cresskill, NJ salary details

$26

$65

$95

How much do internship full stack developer jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for internship full stack developer in Cresskill, NJ is $65.44, according to ZipRecruiter salary data. Most workers in this role earn between $54.42 and $75.38 per hour, depending on experience, location, and employer.

What kind of projects or tasks will I work on as an internship full stack developer?

As an Internship Full Stack Developer, you can expect to work on a variety of tasks that may include building user interfaces, developing backend APIs, integrating databases, fixing bugs, and supporting ongoing software projects. You'll typically collaborate with senior developers, designers, and other interns, allowing you to learn agile development practices and improve your coding skills in real-world applications. The scope of your responsibilities may also expand based on your progress and the needs of the team, giving you opportunities to explore both front-end and back-end development. This hands-on project experience is a key stepping stone toward launching a successful career as a Full Stack Developer.

How do I become an internship full stack developer with no experience?

To become an internship full stack developer with no experience, focus on learning core web development skills such as HTML, CSS, JavaScript, and backend technologies like Node.js or Python. Building a portfolio of personal projects, contributing to open-source, and gaining familiarity with tools like Git can help demonstrate your abilities to employers. Additionally, completing online courses or certifications can improve your chances of securing an internship in this field.

What are the key skills and qualifications needed to thrive as an internship full stack developer?

To thrive as an Internship Full Stack Developer, you should have a solid understanding of both front-end and back-end programming languages (such as JavaScript, HTML/CSS, and a back-end language like Node.js or Python) and foundational knowledge of databases. Familiarity with tools like version control (Git), frameworks (React, Angular, or Express), and basic web development environments is useful, though formal certifications are less critical for internship roles. Strong problem-solving skills, eagerness to learn, and effective communication will help you excel and blend well into a development team. These abilities allow interns to contribute meaningfully to projects while gaining valuable hands-on experience and collaborating well with others.

What is an internship full stack developer?

An Internship Full Stack Developer job is a temporary position where candidates gain hands-on experience in both front-end and back-end web development. Interns typically work with technologies like HTML, CSS, JavaScript, databases, and server-side frameworks to develop and maintain web applications. They often collaborate with senior developers, participate in coding tasks, fix bugs, and contribute to real-world projects. This role helps interns build practical skills, understand development workflows, and prepare for full-time roles in software development.

What does an internship full stack developer do?

An internship full stack developer assists in designing, developing, and maintaining both the front-end and back-end components of web applications. They work with programming languages like JavaScript, HTML, CSS, and frameworks such as React or Node.js, often under the supervision of experienced developers. The role provides hands-on experience in coding, debugging, and collaborating within a development team.

What are the most commonly searched types of Full Stack Developer jobs in Cresskill, NJ?

The most popular types of Full Stack Developer jobs in Cresskill, NJ are:

What cities near Cresskill, NJ are hiring for Internship Full Stack Developer jobs?

Cities near Cresskill, NJ with the most Internship Full Stack Developer job openings:

Internship Full Stack Developer jobs near you

Agentic AI - Full Stack Developer

Sincera Technologies, Inc.

Manhattan, NY • On-site

Other

Posted 24 days ago

Job description

Senior Agentic AI Full Stack Developer
Location: Hybrid/Onsite in NYC, Ny
Experience: 10+ Years
Job Summary
We are seeking a Senior Agentic AI Full Stack Developer with strong experience designing and building AI-powered autonomous applications, LLM-based workflows, and intelligent agents, combined with full-stack development expertise in Java, Spring Boot, React, and TypeScript. The ideal candidate will drive AI-first engineering initiatives by building scalable enterprise applications, integrating LLMs, and leveraging AI-assisted development tools.
Required Skills
  • Strong hands-on experience building Agentic AI applications and AI-powered workflows.
  • Experience with LLMs (OpenAI, Claude, Gemini, Azure OpenAI, Llama) and AI application development.
  • Expertise in LangGraph, LangChain, CrewAI, AutoGen, Semantic Kernel, or similar agent frameworks.
  • Experience with RAG architectures, embeddings, vector databases (Pinecone, Weaviate, Chroma, pgVector), prompt engineering, and AI orchestration.
  • Hands-on experience with AI development tools such as Claude Code, Cursor, GitHub Copilot, or similar.
  • Strong Full Stack development experience with:
    • Java, Spring Boot, Spring Security, Microservices
    • React, TypeScript, Redux
    • REST APIs and enterprise integrations
  • Experience with SQL Server, database optimization, and high-volume data processing.
  • Experience with Docker, Kubernetes, Git, Azure DevOps, and CI/CD pipelines.
  • Strong understanding of secure coding practices, software architecture, and cloud-native development.
  • Experience building enterprise AI agents, copilots, and autonomous workflows.
Preferred Skills
  • Python experience for AI automation and backend services.
  • Experience integrating AI solutions with financial systems, ERP platforms, or business applications.
  • Familiarity with Azure AI services and cloud-based AI platforms.
  • Experience mentoring teams in AI-first software development practices.

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