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Senior Full Stack Developer Jobs in Kearny, NJ (NOW HIRING)

Clarion

Senior Full-Stack Engineer

Manhattan, NY · On-site

The Senior Full-Stack Engineer will lead the deployment and optimization of AI agents, architect full-stack systems, and mentor engineers while ensuring high reliability and performance in healthcare ...

WebLat

Senior Full-Stack Engineer

Manhattan, NY · On-site

$150 - $200/hr

We are looking for a Senior Full-Stack Engineer to join our growing team and help build the next generation of our SaaS platform. You will work across the entire stack, from designing React-based UIs ...

Brooksource

Sr Full Stack Engineer

Summit, NJ · On-site

$75 - $80/hr

Sr Full Stack Engineer Summit, NJ Hybrid Role Compensation: $75 - $80 per hour ABOUT THE ROLE Our client, a Fortune 500 Consumer Packaged Goods (CPG) company, is seeking a Senior Full Stack Engineer ...

talentpluto

Senior Full Stack Engineer

Manhattan, NY · On-site

$210 - $260/hr

The Opportunity As a Senior Full Stack Engineer, you will work across the stack, spanning frontend, backend, and the data pipelines and agentic/AI workflows at the core of the product. This is a ...

Too Lost

Senior Full Stack Developer

New York, NY · On-site

$130K - $140K/yr

Lead the technical execution of full stack development across internal tools and platform features ... Mentor developers and contribute to building a stronger engineering team in Reykjavik and New York

Fonzi

Senior Full Stack Engineer

Manhattan, NY · On-site

$175 - $225/hr

Senior Full Stack Engineer About Fonzi AI We're a well-funded, fast-growing startup revolutionizing hiring through AI. Recently launched, we've already attracted thousands of top engineers to our ...

Corning Inc.

Senior Full Stack Developer

Manhattan, NY · On-site

$110.13 - $151.43/hr

Role Purpose We are looking for an experienced full stack developer who can strengthen our team's web development capabilities while contributing to backend systems and DevOps activities. You'll play ...

Valley Bank

Sr. Full-Stack Developer

Morristown, NJ · On-site

Minimum of 5 years of experience as a Full-Stack Developer, including demonstrable usage of AI-forward tools such as Claude and Cursor. Proven experience working with frontend web-based UIs ...

1872 Consulting

Sr. Full Stack Engineer

Manhattan, NY · On-site

Job Summary : 1872 Consulting is seeking a Senior Full Stack Engineer to play an integral role in the planning and growth of their platform and engineering team. The role involves working with a ...

Capicua Group

Senior Full Stack Developer

Manhattan, NY · On-site

$120 - $150/hr

Take the big step in your Full Stack Development career with a talented team that takes A-list ... Inspire and mentor your engineering colleagues, especially junior engineers in your charge.

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Senior Full Stack Developer information

See Kearny, NJ salary details

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

As of Sep 5, 2026, the average hourly pay for senior full stack developer in Kearny, NJ is $61.96, 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 a senior full stack developer?

Senior Full Stack Developers are experienced professionals who design, develop, and maintain both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to handle servers, databases, APIs, and user interfaces. In addition to coding, they often lead development teams, make architectural decisions, and ensure software quality and scalability. Their expertise allows them to oversee the entire application lifecycle, from concept to deployment.

How does a senior full stack developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior Full Stack Developer, you'll frequently collaborate with designers, product managers, QA engineers, and other developers to deliver end-to-end solutions. You'll be involved in requirements discussions, offer technical guidance, and help align frontend and backend development with business goals. Your role often includes code reviews, mentoring junior team members, and ensuring seamless integration across various systems. This collaborative environment encourages knowledge sharing and innovation while ensuring project success.

What are the key skills and qualifications needed to thrive as a senior full stack developer, and why are they important?

To thrive as a Senior Full Stack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, usually supported by a relevant degree and several years of experience. Mastery of tools such as Git, Docker, CI/CD systems, and cloud platforms like AWS or Azure is typically required, alongside familiarity with databases and version control systems. Strong problem-solving abilities, leadership, effective communication, and collaboration skills set exceptional developers apart. These skills and qualities are crucial for delivering robust, scalable solutions while mentoring teams and efficiently bridging gaps between client requirements and technical implementation.

What is the difference between Senior Full Stack Developer vs Backend Developer?

AspectSenior Full Stack DeveloperBackend Developer
Required SkillsProficiency in both frontend and backend technologies, such as JavaScript, HTML, CSS, and server-side languages like Node.js, Python, or JavaSpecialized in server-side development, working with languages like Java, Python, Ruby, or PHP, and database management
Work EnvironmentCollaborates across frontend and backend teams, often involved in full project lifecycleFocuses primarily on backend systems, APIs, and database integration
Common UsageUsed in roles requiring full project oversight and versatile development skillsUsed in roles focused on server-side logic, database management, and API development

The main difference is that a Senior Full Stack Developer handles both frontend and backend development, providing a comprehensive approach to projects, while a Backend Developer specializes solely in server-side logic and database management. Both roles require strong programming skills, but the Full Stack Developer's expertise spans the entire technology stack.

What are popular job titles related to Senior Full Stack Developer jobs in Kearny, NJ?

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

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Senior Full Stack Developer jobs near you
Infographic showing various Senior Full Stack Developer job openings in Kearny, NJ as of August 2026, with employment types broken down into 1% Internship, 80% Full Time, 13% Part Time, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $128,879 per year, or $62 per hour.

Senior Full-Stack Engineer

Clarion

Manhattan, NY • On-site

Full-time

Re-posted 10 days ago

Job description

Job Summary:
Clarion is a healthcare technology company focused on transforming communication in the healthcare sector using AI. The Senior Full-Stack Engineer will lead the deployment and optimization of AI agents, architect full-stack systems, and mentor engineers while ensuring high reliability and performance in healthcare environments.
Responsibilities:
• Lead deployment and optimization of AI agents in live, high-stakes healthcare environments, owning end-to-end performance and reliability.
• Architect and scale full-stack systems that integrate with complex EHRs, legacy healthcare platforms, and real-time voice infrastructure.
• Drive technical strategy for customer-facing solutions, collaborating with product and engineering to translate client needs into scalable architecture.
• Mentor engineers and enforce best practices in code quality, testing, security, and HIPAA-compliant development.
• Shape product roadmap by identifying systemic challenges in customer workflows and proposing high-leverage technical solutions.
• Own critical integrations and troubleshoot production issues across distributed systems under strict uptime and compliance requirements.
Qualifications:
Required:
• 5+ years of full-stack engineering experience, with a proven track record of designing, building, and scaling production systems in high-reliability environments.
• Expert-level proficiency in our tech stack (Node.js, TypeScript, React, PostgreSQL), with strong system design skills and experience debugging complex, distributed systems.
• Thrives in ambiguity, makes high-impact decisions independently, and takes full responsibility for system outcomes and customer success.
• Experience mentoring engineers, leading cross-functional initiatives, and translating technical trade-offs to non-technical stakeholders.
Company:
Clarion builds AI tools that automate healthcare operations making care access fast, simple, and seamless. Founded in 2024, the company is headquartered in New York, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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