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Mid Level Full Stack Developer Jobs in Plainfield, NJ

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 ...

Qode

Full Stack Developer

New York, NY · On-site

Full Stack Developer Location: New York, USA Workplace Type: Hybrid About the Role We are seeking a highly motivated and experienced Full Stack Developer to join our dynamic engineering team. As a ...

Apex Systems

Senior Full Stack Developer

Jersey City, NJ · On-site +1

$63 - $68.26/hr

Job#: 3035689 Senior Full Stack Developer Location: Jersey City, New Jersey (Onsite) Employment ... Mentor junior and mid-level engineers while promoting engineering excellence. Required ...

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 ...

Red Frog Solutions

Full Stack Developer

Manhattan, NY · On-site

$170K - $200K/yr

Full Stack Developer (Hybrid - NYC) $150K to $200K Plus Equity Hybrid (in-office a few days per week in NYC) Candidates must currently live in the Greater NYC area We're an early-stage, well-funded ...

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How much do mid level full stack developer jobs pay per hour?

As of May 31, 2026, the average hourly pay for mid level full stack developer in Plainfield, NJ is $60.79, according to ZipRecruiter salary data. Most workers in this role earn between $50.53 and $70.05 per hour, depending on experience, location, and employer.

What is a Mid Level Full Stack Developer job?

A Mid Level Full Stack Developer is responsible for developing and maintaining both front-end and back-end components of web applications. They have a solid understanding of programming languages, frameworks, databases, and server-side logic. Typically, they collaborate with designers, other developers, and stakeholders to implement features and optimize performance. With a few years of experience, they can work independently on tasks while contributing to project architecture and problem-solving.

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

To thrive as a Mid Level Full Stack Developer, you need a solid understanding of front-end and back-end development, proficiency in programming languages like JavaScript, Python, or Java, and experience with frameworks such as React and Node.js. Familiarity with version control systems like Git, cloud platforms (e.g., AWS or Azure), and relevant certifications such as AWS Certified Developer can be advantageous. Strong problem-solving skills, effective communication, and the ability to work collaboratively set outstanding candidates apart. These skills and qualities are essential for building scalable applications and navigating the dynamic requirements of cross-functional development teams.

What types of projects and responsibilities can I expect as a Mid Level Full Stack Developer?

As a Mid Level Full Stack Developer, you’ll typically work on both client-facing and server-side components of web applications, collaborating closely with UX/UI designers, backend engineers, and product managers. You may be responsible for creating new features, debugging complex issues, optimizing application performance, and maintaining codebases. It's common to participate in code reviews and Agile sprints, ensuring best practices are followed throughout the development cycle. This role provides exposure to a wide range of technologies and business needs, offering strong opportunities for learning and career advancement as you take on more complex assignments.
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Mid Level Full Stack Developer jobs near you
Infographic showing various Mid Level Full Stack Developer job openings in Plainfield, NJ as of May 2026, with employment types broken down into 1% As Needed, 96% Full Time, 2% Part Time, and 1% Contract. Highlights an 32% Physical, 10% Hybrid, and 58% Remote job distribution, with an average salary of $126,442 per year, or $60.8 per hour.

Mid-Level Full Stack Engineer

Simple Closure, Inc

New York, NY • On-site

$120K - $170K/yr

Full-time

Medical, PTO

Posted 11 days ago

Job description

Company Overview
Every year, one million businesses shut down, yet the process remains messy, expensive, and underserved. At SimpleClosure, our mission is to make business shutdowns seamless, compliant, and stress free, because closing a company shouldn't feel harder than starting one.
We recently raised our $15 million Series A and were named one of Fast Company's Most Innovative Companies of 2025. Backed by top investors and trusted by hundreds of startups, we're rapidly establishing ourselves as the technology leader in this space. Join us and make an outsized impact as we create innovative solutions for businesses, their teams, and their stakeholders.
Job Overview
SimpleClosure is seeking a Mid-Level Full Stack Engineer to join our growing engineering team. In this role, you'll work across the stack to build, improve, and scale core product functionality that directly impacts our customers.
You'll collaborate closely with product, design, and business stakeholders to ship reliable, user-centric features while taking ownership of meaningful parts of the codebase. This role is ideal for an engineer who excels in frontend craftsmanship and likes to delve into backend problem-solving in a fast-moving startup environment.
This position reports to the CTO.]
*Ideal candidates MUST be located in the New York City Metro area.
Responsibilities
  • Design, build, and maintain full-stack features across the SimpleClosure platform
  • Collaborate with Product and Design to translate requirements into scalable technical solutions
  • Implement clean, maintainable frontend experiences using React and TypeScript
  • Build and integrate backend services, APIs, and data models to support product workflows
  • Write high-quality, well-tested code and participate in code reviews
  • Own features end-to-end, from technical design through deployment and iteration
  • Ensure performance, reliability, accessibility, and responsiveness across devices
  • Debug, troubleshoot, and resolve issues in production environments
  • Continuously improve development processes, tooling, and code quality
Desired Skills and Qualifications
  • Experience: 3-5 years of professional software engineering experience, ideally in a startup or fast-paced environment
  • Frontend: Strong experience with React and TypeScript; Next.js or similar frameworks preferred
  • Backend: Experience implementing APIs and connecting with third-party services
  • Databases: Familiarity with relational and/or NoSQL databases
  • Ownership: Comfortable taking projects from concept through deployment and iteration
  • Problem-Solving: Proactive, thoughtful engineer who can navigate ambiguity and make sound technical decisions
  • Collaboration: Strong team player who enjoys working cross-functionally
  • Communication: Clear written and verbal communication skills
  • Adaptability: Thrives in an evolving startup environment with shifting priorities
  • AI-Native: Familiar with latest agentic and coding technologies, trusts but verifies model outputs
What we offer
  • Compensation: $120,000 - $170,000
  • Unlimited PTO
  • Competitive equity package
  • Employer Covered Medical Benefits
  • Hybrid work in New York City (Midtown) - two days in office, three days remote
  • Two in-person team retreats a year

*We are unable to support any visa outside of Canada (no H1B Visas)

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