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

CYNET SYSTEMS

Fullstack Developer

Whippany, NJ · On-site

$65 - $70/hr

Experience as a Full Stack Developer using Java (JDK 17+), Spring Framework, and open source technologies to build enterprise grade applications. * Considerable experience building microservices ...

Compunnel

Full Stack Java

Florham Park, NJ · On-site

$55 - $71/hr

JOB SUMMARY Full Stack Java Developer with 70% backend and 20-30% Frontend (Angular or React) focus. Little AI experience required. Required Qualifications Must have at least 7-8 years of onsite US ...

First Advantage

Full Stack Engineer

Florida, NY

$110K - $140K/yr

Working on this high-volume, security intensive application, the Software Engineer will execute full life cycle software development and integrate components into a fully functional system, as well ...

Damco Solutions

Java fullstack Snr Developer

Whippany, NJ · On-site

$53 - $68.50/hr

Damco Solutions is seeking a Senior Java Full-Stack Developer with 6-8 years of hands-on experience in building scalable, high-performance applications. The role involves backend development using ...

Socket.dev

Senior Software Engineer, W&B Agent - W&B

Livingston, NJ · On-site

$182 - $242/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior Full Stack Engineer on the ARIA Agent team, you'll own features and systems across the entire stack -- from backend infrastructure and API design to the React frontend that powers the ...

Pwc

Full-Stack Cloud Engineer

Florham Park, NJ · On-site

$77K - $202K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Full-Stack Cloud Engineer, you will be at the forefront of software and product innovation ... As a Senior Associate, you will build meaningful client connections and learn how to manage and ...

CYNET SYSTEMS

Lead Full-Stack Engineer

New Providence, NJ · On-site

$55 - $60/hr

Experience leading DevOps transformations or process maturity initiatives within small-to-medium development organizations. * Experience establishing release governance, deployment approval workflows ...

Ask IT consulting

Full Stack Java Developer

Bedminster, NJ · On-site

$53.75 - $69.25/hr

Java Developer Location: Bedminster, NJ Duration: 12 Months Interview: Phone then Skype Required Skills: Java, Spring , Hibernate , NoSql Database , AngularJS . - In-depth design and development ...

Lowenstein Sandler

Senior Software Engineer

Roseland, NJ · On-site

$145 - $165/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Design, develop, test, deploy, and maintain full-stack enterprise web applications using C#, .NET, ... Familiarity with DevOps practices including source control (Git), CI/CD pipelines, and release ...

Lowenstein Sandler

Senior Software Engineer

Roseland, NJ · On-site +1

$132K - $174K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Design, develop, test, deploy, and maintain full-stack enterprise web applications using C#, .NET, ... Familiarity with DevOps practices including source control (Git), CI/CD pipelines, and release ...

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Senior Full Stack Developer information

See Sparta, NJ salary details

$25

$62

$90

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

As of Aug 16, 2026, the average hourly pay for senior full stack developer in Sparta, NJ is $62.34, according to ZipRecruiter salary data. Most workers in this role earn between $51.83 and $71.83 per hour, depending on experience, location, and employer.

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.

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 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.

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

The top searched job categories for Senior Full Stack Developer jobs in Sparta, NJ are:

What cities near Sparta, NJ are hiring for Senior Full Stack Developer jobs?

Cities near Sparta, NJ with the most Senior Full Stack Developer job openings:

Senior Full Stack Developer jobs near you

Fullstack Developer

CYNET SYSTEMS

Whippany, NJ • On-site

$65 - $70/hr

Contractor

Re-posted 7 days ago

Job description

Job Overview:

Pay Range: $65hr - $70hr

Requirement/Must Have:

  • Experience as a Full Stack Developer using Java (JDK 17+), Spring Framework, and open source technologies to build enterprise grade applications.
  • Considerable experience building microservices using RESTful APIs, Spring Boot, Spring Security, OAuth2, and JWT, with a focus on scalability, security, and resiliency.
  • Validated experience designing and developing Enterprise driven architectures using Kafka, AWS SNS/SQS, or equivalent messaging platforms for high throughput, low latency systems.
  • DevOps/CI/CD + Observability - GitLab or Jenkins and observability/monitoring tooling (Prometheus, Grafana, ELK, etc.).

Nice to Have:

  • Experience working with React or Angular, with an understanding of full stack design and UI to API integration patterns.
  • Experience in the Financial Services domain, with understanding of Credit Cards, Consumer Lending, and Risk & Control considerations.
  • Practical exposure to Generative AI and/or Agentic AI, including integrating LLM based capabilities into applications or engineering workflows (e.g. intelligent services, automation, POCs or production use cases).
  • Preferred Hands on experience with AWS (EC2, S3, RDS, Lambda, API Gateway, ECS/EKS, Glue etc.) and containerization using Docker/Kubernetes, along with ample engineering practices including CI/CD.
 

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.
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About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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