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Full Stack Developer Startup Jobs in Newark, 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

GrowToday AB

Full Stack Developer

New York, NY · On-site

Hire the brightest and most ambitious technical talent to come work with you Requirements * >3y experience as a full stack developer, with a focus on backend, preferably at a startup or tech company

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 ...

PTR Global

Full Stack Developer - Advanced

Jersey City, NJ · On-site

$70 - $75/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Full Stack Developer - Advanced - W2 Location: Jersey City, New Jersey Duration: Contract Job ID: 173138 Job Overview: The Full Stack Developer - Advanced will be responsible for designing ...

Cloud and Things

Full Stack Developer

Brooklyn, NY · On-site

We are seeking a Full Stack Developer with strong expertise in C# and React who will support our client. This role is designed to augment an existing team and deliver continuous value on client ...

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 Corporation

Senior Full Stack Developer

New York, NY · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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 ...

Novella

Full Stack Engineer

Manhattan, NY · On-site

... and roadmap of our startup. Qualifications : Required : • Experience building modern web ... full-stack application architecture and modern engineering practices Company : Novella is an ...

Marotta Controls, Inc.

Full-Stack Developer

Parsippany, NJ · On-site

$98K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

Marotta Controls, Inc.

Full-Stack Developer

Parsippany, NJ

$98K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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 ...

FOX News Network, LLC

Senior Full Stack Developer

New York, NY · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

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 ...

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 ...

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Showing results 41-60

All JobsFull Stack Developer Startup JobsFull Stack Developer Startup Jobs in Newark, NJ

Full Stack Developer Startup information

See Newark, NJ salary details

$25

$61

$89

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

As of Aug 14, 2026, the average hourly pay for full stack developer startup in Newark, NJ is $61.97, according to ZipRecruiter salary data. Most workers in this role earn between $51.54 and $71.39 per hour, depending on experience, location, and employer.

What is the difference between Full Stack Developer Startup vs Front End Developer?

AspectFull Stack Developer StartupFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, databases, and server managementSpecialized in client-side technologies like HTML, CSS, JavaScript, and frameworks like React or Angular
Work EnvironmentFast-paced startup setting, often wearing multiple hats, involved in full project lifecyclePrimarily focused on designing and implementing user interfaces and user experience
Common UsageUsed in startups needing versatile developers capable of handling entire applicationsUsed in teams focusing on UI/UX and front-end development within startups or larger companies

In summary, a Full Stack Developer Startup has a broader skill set covering both front-end and back-end development, suitable for dynamic startup environments. A Front End Developer specializes in creating engaging user interfaces, often working within larger teams or specific projects. The choice depends on the scope of work and technical expertise required.

What are popular job titles related to Full Stack Developer Startup jobs in Newark, NJ?

For Full Stack Developer Startup jobs in Newark, NJ, the most frequently searched job titles are:

What job categories do people searching Full Stack Developer Startup jobs in Newark, NJ look for?

The top searched job categories for Full Stack Developer Startup jobs in Newark, NJ are:

What cities near Newark, NJ are hiring for Full Stack Developer Startup jobs?

Cities near Newark, NJ with the most Full Stack Developer Startup job openings:

Full Stack Developer Startup jobs near you
Infographic showing various Full Stack Developer Startup job openings in Newark, NJ as of August 2026, with employment types broken down into 89% Full Time, 4% Part Time, 6% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $128,898 per year, or $62 per hour.

Agentic AI - Full Stack Developer

Sincera Technologies, Inc.

Manhattan, NY • On-site

Other

Posted 25 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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