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Senior Full Stack Java Developer Jobs in Florham Park, NJ

Karwell Tech

Full Stack Java Developer

Paramus, NJ · On-site

$53.25 - $68.50/hr

... Java APIs - Experience working in an Agile Environment - Experience in Oracle from a Java development standpoint - Ability to write batch or standalone jobs - Experience in Unix scripting - Good ...

Karwell Tech

Full Stack Java Developer

Paramus, NJ · On-site

$53.25 - $68.50/hr

... Java APIs - Experience working in an Agile Environment - Experience in Oracle from a Java development standpoint - Ability to write batch or standalone jobs - Experience in Unix scripting - Good ...

Karwell Tech

Full Stack Java Developer

Paramus, NJ · On-site

$53.25 - $68.50/hr

Java development experience is a must Working knowledge of relational databases Ability to implement client interfaces following visual, written design reference documents, as well as improve the ...

Karwell Tech

Full Stack Java Developer

Paramus, NJ · On-site

$53.25 - $68.50/hr

Java development experience is a must Working knowledge of relational databases Ability to implement client interfaces following visual, written design reference documents, as well as improve the ...

Real Soft, Inc.

Senior Java Full Stack Developer

Iselin, NJ · On-site

$53.25 - $68.75/hr

Location: Iselin or New York Job Posting Title Senior Java Full Stack Developer Summary The Senior Java Full Stack Developer is responsible for leading the design, development, and delivery of ...

Jobsbridge

Full Stack Java/J2EE Devloper

Jersey City, NJ · On-site

$54.75 - $70.75/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Bachelor degree in Computer Science, Information Technology, or equivalent ...

Keylent Inc

Senior API Java Developer

Berkeley Heights, NJ · On-site

$59.75 - $76.25/hr

... of full stack JAVA developers building restful API and microservices. • You will also be ... Sr Software Developer, you will be responsible for completing security scans, supporting PII data ...

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

As of Sep 12, 2026, the average hourly pay for senior full stack java developer in Florham Park, NJ is $60.78, according to ZipRecruiter salary data. Most workers in this role earn between $52.84 and $68.17 per hour, depending on experience, location, and employer.

What is a senior full stack Java developer?

Senior Full Stack Java Developers are experienced software professionals who design, develop, and maintain both the front-end and back-end components of web applications using Java and related technologies. They typically work with frameworks such as Spring Boot for the backend and may use JavaScript frameworks like Angular or React for the frontend. In addition to coding, they often lead development teams, make architectural decisions, and ensure best practices are followed throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a senior full stack Java developer?

A Senior Full Stack Java Developer needs advanced proficiency in Java, front-end frameworks (such as Angular or React), and a solid understanding of databases, supported by a bachelor’s degree in computer science or related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and cloud platforms is typically required, along with relevant certifications. Strong problem-solving, communication, and teamwork skills help developers effectively collaborate and deliver robust solutions. These competencies are crucial for building scalable applications, leading projects, and ensuring efficient development processes.

What are some common challenges senior full stack Java developers face when balancing backend and frontend responsibilities?

Senior Full Stack Java Developers often encounter the challenge of staying up-to-date with both backend Java frameworks and rapidly evolving frontend technologies. Balancing deep expertise in server-side development with proficiency in modern JavaScript frameworks (like React or Angular) can be demanding. Additionally, these professionals often need to effectively prioritize tasks between client and server development while collaborating with specialized frontend or backend team members. Time management, clear communication, and a willingness to learn new tools are essential for success in this multifaceted role.

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

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Senior Full Stack Java Developer jobs near you

Senior Full Stack Java Lead Engineer

Jersey City, NJ • On-site

Cognizant Technology Solutions
See more jobs at Cognizant Technology Solutionsexternal

$81K - $136K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

New

Cognizant rating

7.0

Company rating: 7.0 out of 10

Based on 87 frontline employees who took The Breakroom Quiz

Job description

About the Role
As a Senior Full Stack Java Lead Engineer, you will make an impact by designing, developing, and delivering scalable enterprise applications that support critical business operations. You will be a valued member of the engineering team and work collaboratively with architects, product owners, developers, and business stakeholders to build secure, high-performing, and resilient solutions.
In This Role, You Will:
  • Lead the design, development, testing, and deployment of enterprise applications using Java, Spring Boot, SQL, and modern front-end technologies.
  • Develop secure, high-quality production code and maintain software solutions that support business-critical applications.
  • Produce architecture and design artifacts for complex applications and ensure development aligns with established engineering standards.
  • Utilize enterprise-authorized AI-assisted development tools to improve code quality, testing, documentation, and delivery speed while ensuring accuracy, security, and compliance.
  • Analyze and interpret large data sets to identify trends, uncover hidden issues, and drive continuous improvements in applications and systems.
  • Apply modern Software Development Lifecycle (SDLC) practices, including CI/CD, automation, resiliency, and security best practices.
  • Mentor engineering teams, contribute to technical communities of practice, and promote innovation through emerging technologies and engineering excellence.
  • Independently lead modules and provide technical direction to development teams to ensure successful project delivery.

Work Model
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 3 days per week in a client office in Jersey City, New Jersey, and allowing 2 days remote work. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
What You Need to Have to Be Considered
  • Strong experience developing enterprise applications using Java, Spring Boot, and SQL.
  • Hands-on experience building modern web applications with React and related front-end technologies.
  • Proven experience with system design, application development, testing, and operational stability.
  • Experience developing, debugging, and maintaining applications in large-scale enterprise environments.
  • Knowledge of cloud-based application development and modern software architectures.
  • Strong understanding of Agile methodologies, CI/CD pipelines, application resiliency, and secure software development practices.
  • Experience using AI-assisted software development tools and validating AI-generated outputs for quality, performance, and security.
  • Excellent communication, analytical, and leadership skills with the ability to collaborate across technical and business teams.

These Will Help You Stand Out
  • Prior experience leading technical teams and mentoring software engineers.
  • Knowledge of AI-enabled engineering practices and software delivery automation.
  • Experience building scalable, resilient, and highly available enterprise applications.
  • Strong understanding of software architecture patterns and cloud-native solutions.
  • Experience working within financial services, banking, or highly regulated industries.

Applications will be accepted by: October 9, 2026
Salary and Other Compensation
The annual salary for this position is expected to be between $81,337 and $136,500 per year, depending on experience, qualifications, geographic location, and other job-related factors.
Benefits
Cognizant offers the following benefits, subject to eligibility requirements:
  • Medical, Dental, Vision, and Prescription Drug Coverage
  • Flexible Spending Accounts (FSA) and Health Savings Accounts (HSA)
  • Life Insurance and Disability Coverage
  • 401(k) Plan with Company Contributions
  • Paid Time Off and Company Holidays
  • Employee Assistance Program (EAP)
  • Wellbeing and Mental Health Programs
  • Learning and Development Opportunities
  • Employee Recognition Programs

Work Authorization
Please note that this position is not eligible for visa transfer or sponsorship now or at any time in the future.
We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

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