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Internship Full Stack Developer Jobs in Cresskill, NJ

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 ...

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 ...

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 ...

TriOptus LLC

Full Stack Developer

Manhattan, NY · On-site

* Proficient in Full Stack Development as well as multiple design techniques * Working proficiency in ... Proficiency in one or more general purpose programming languages * Working proficiency in a portion ...

Stratacent

Full Stack Developer

Jersey City, NJ · Hybrid

Looking for a strong full stack application developer to build and integrate custom web applications. This role involves user interfaces for scalable web based solutions using Angular frame work ...

Stratacent

Full Stack Developer

Jersey City, NJ · On-site

Looking for a strong full stack application developer to build and integrate custom web applications. This role involves user interfaces for scalable web based solutions using Angular frame work ...

TMS

Python Full Stack Developer

New York, NY · On-site

Role: Python Full Stack Developer with Angular Location: NYC, NY / Pittsburgh, PA / Lake Mary, FL (4 days onsite / week) Duration: 6 Months C2H Experience Needed: 8+ Years Core Responsibilities ...

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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 Jun 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.

What are the key skills and qualifications needed to thrive in the Internship Full Stack Developer position, and why are they important?

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 job?

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 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
Infographic showing various Internship Full Stack Developer job openings in Cresskill, NJ as of June 2026, with employment types broken down into 1% As Needed, 80% Full Time, 8% Part Time, 1% Temporary, 8% Contract, and 2% Nights. Highlights an 84% Physical, 2% Hybrid, and 14% Remote job distribution, with an average salary of $136,121 per year, or $65.4 per hour.

Full Stack Developer

Zealthy

New York, NY

Full-time

Medical, PTO

Posted 3 days ago

Job description

About Us:

At Zealthy, our mission is to make high-quality healthcare accessible to everyone, no matter their location. We are building the world's largest and most trusted virtual healthcare platform, transforming how care is delivered to ensure anyone, anywhere, can receive the healthcare they need.

Founded by a healthcare entrepreneur with a proven track record, including scaling a previous company to a $5B valuation, Zealthy is positioned for sustainable growth as we rapidly scale to achieve our ambitious vision. Our unwavering commitment to quality and accessibility drives everything we do.

We are a team dedicated to serving our patients. While our in-person work culture runs Monday to Friday and typically extends beyond typical work hours, the true reward lies in the impact we create. Every team member is essential in building something groundbreaking. As a full-time team member, you won't just shape the future of healthcare-you'll also share in our success through equity ownership, because we believe that every contributor should be a literal and figurative owner of what we're creating.

If you are not prepared to fully commit to your role and contribute to the goal of creating the world's largest and highest quality telemedicine company by working in-person four days a week, please refrain from applying.

Join us and help redefine the future of healthcare.

The Role:

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 position may not be suitable for you.

What You'll Do:

    • You will start as a Full Stack Software Engineer for Zealthy, joining a team of 5 full-time engineers who are currently working at Zealthy and you will also collaborate closely with the Founder / CEO (who oversees product). You will move quickly to iterate on the existing, early product build to make sure the product is ready to scale to users to transform access to high-quality healthcare.
    • You will work in person and participate in daily standup meetings, weekly sprint meetings(or a more fluid Kanban process), and hold yourself accountable to an aggressive product development roadmap.
    • We are an early-stage startup and oftentimes that comes with wearing many hats, which means working across front-end and back-end as well as potentially participating in or leading system architecture or DevOps decision-making.
    • As the organization scales, you will have the opportunity to scale into a leadership role if your performance is strong and you wish to become a leader. This will not need to be decided on Day 1, and will be an evolving conversation between you and the existing leader(s) on the team.

Requirements

    • 1+ year experience in an engineering position at early-stage high-growth startup.
    • It is preferred that you have 1-5 years of experience.
    • It is preferred that you graduated from a top 25 university OR graduated from college with a GPA above 3.7.
    • Experienced in Typescript and able to accommodate a modern tech stack.
    • Relentless resourcefulness and an ownership mindset.
    • Comfortable in a fast-paced environment that requires adaptability.
    • Always learning and curious; open to new ideas and experimentation.
    • Strong work ethic and can do attitude.
    • A desire to be part of a fast-paced startup.

Benefits

  • Time Off: Paid vacation and sick leave, increasing with tenure. Flexible time off handled case-by-case.
  • Holidays: Paid for major US holidays.
  • Equity & Reviews: Equity ownership with regular performance reviews that can impact salary and/or equity.
  • Health: Medical coverage provided. Other benefits to be revisited with plan renewal.

Apply