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Fullstack Sr Java Developer Jobs in Sparta, NJ (NOW HIRING)

Hirekeyz Inc

Sr. Java Developer

Berkeley Heights, NJ · On-site

$59.75 - $76.25/hr

Title: Sr. Java Developer Location: Berkeley Heights, NJ (5 Days Onsite) Job Type: W2/Full Time * Strong Java and Micro services development experience * Previous work experience with Spring Boot ...

Deloitte

Senior Java Developer

Morristown, NJ · On-site +1

$59 - $75/hr

As an experienced Java Developer Sr. Consultant, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery ...

Donato Technologies, Inc

Java Developer

Berkeley Heights, NJ · On-site

$53.25 - $69/hr

Title: Sr. Java Developer Location: Berkeley Heights, NJ (5 Days Onsite) * Strong Java and Micro services development experience * Previous work experience with Spring Boot framework * Strong ...

Monitise

Senior Java Engineer

Berkeley Heights, NJ · On-site

$90K - $158.40K/yr

Job Title Senior Java Engineer About your role: You will design, build, and modernize scalable ... Apply DevOps practices including continuous integration and continuous deployment pipelines ...

Cygnus Professionals, Inc.

Java Developer

Warren, NJ

$53 - $68.50/hr

Experience with MQ Series and JMS 7+ years' experience as Senior System Analyst/Developer with J2EE and Java technologies, MQ Series, JMS, Multithreading, Servlet, Web Services, XML, XSLT, SOA & AJAX ...

Photon

Fullstack Developer

Berkeley Heights, NJ

We are hiring Fullstack Developer to join our Digital Engineering team. Who are we? For the past 20 ... Strong Java experience (3+ years) with familiarity building and integrating with Java backends ...

Seven Seven Software

Java Microservices Engineer

Whippany, NJ · On-site

$52 - $71.50/hr

Highly committed and passionate Java Microservices Engineer with strong technical acumen and the ... Senior Java Role: * 70-80% hands on design, coding, testing &release (entire SDLC) of complex ...

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Fullstack Sr Java Developer information

See Sparta, NJ salary details

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How much do fullstack sr java developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for fullstack sr java developer in Sparta, NJ is $66.09, according to ZipRecruiter salary data. Most workers in this role earn between $57.88 and $73.85 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Fullstack Sr Java Developer, and why are they important?

To thrive as a Fullstack Sr Java Developer, you need deep expertise in Java, front-end frameworks (like React or Angular), and experience with databases, paired with a relevant computer science degree or equivalent experience. Familiarity with tools such as Spring Boot, RESTful APIs, version control systems (like Git), and cloud platforms is typically required, along with certifications like Oracle Certified Professional Java Programmer (OCPJP) being advantageous. Strong problem-solving, communication, and leadership skills help you collaborate effectively and drive complex projects to completion. These skills and qualities are crucial for building scalable, maintainable applications and ensuring seamless integration across the tech stack.

What are some common challenges Fullstack Sr Java Developers face when working on cross-functional teams?

Fullstack Sr Java Developers often collaborate with both front-end and back-end developers, QA engineers, and product managers. A common challenge is ensuring seamless integration between diverse technologies and frameworks used across the stack. Balancing priorities between rapid feature development and maintaining code quality or technical debt can also be demanding. Effective communication and a strong understanding of both client-side and server-side requirements are essential for overcoming these obstacles and delivering robust, scalable solutions.

What are Fullstack Sr Java Developers?

Fullstack Sr Java Developers are experienced software engineers who specialize in building both the front-end (client-side) and back-end (server-side) of web applications using Java and related technologies. They possess advanced skills in Java frameworks like Spring Boot for backend development, as well as expertise in frontend technologies such as JavaScript, HTML, and CSS. These professionals are responsible for designing, developing, testing, and maintaining comprehensive web solutions that are scalable and efficient. Fullstack Sr Java Developers often lead development teams, contribute to architectural decisions, and ensure best practices are followed throughout the software development lifecycle.

What is the difference between Fullstack Sr Java Developer vs Backend Java Developer?

AspectFullstack Sr Java DeveloperBackend Java Developer
Required SkillsJava, JavaScript, HTML, CSS, frameworks like Spring and AngularJava, Spring, Hibernate, database management
Work EnvironmentDevelops both client-side and server-side applicationsFocuses on server-side, APIs, and database integration
Industry UsageUsed in startups, tech companies, and full-service development teamsCommon in enterprise, financial, and backend-focused roles

The main difference between a Fullstack Sr Java Developer and a Backend Java Developer lies in their scope of work. Fullstack developers handle both front-end and back-end development, requiring skills in Java and front-end technologies. Backend Java Developers focus solely on server-side logic, databases, and APIs. Your choice depends on whether you prefer working across the entire application stack or specializing in backend systems.

What cities near Sparta, NJ are hiring for Fullstack Sr Java Developer jobs? Cities near Sparta, NJ with the most Fullstack Sr Java Developer job openings:
Fullstack Sr Java Developer jobs near you

Senior Java Developer - AWS & DevOps || Whippany, NJ 07981

SysMind Tech

Whippany, NJ • On-site

$58 - $73.75/hr

Contractor

This job post has expired today. Applications are no longer accepted.

Job description

Senior Java Developer - AWS & DevOps
Location: Whippany, NJ 07981
Experience: Mini 4-8 Years
Openings: 2
Mandatory Conditions
Candidates must be available to come to the Whippany, NJ office for an in-person F2F evaluation, followed by the client evaluation.
Job Description
Seeking a highly skilled Senior Java Developer with strong experience in Java, Spring Boot, and Microservices architecture. The ideal candidate will have at least 2 years of hands-on experience with AWS and DevOps practices, along with working knowledge of GitLab, GitLab Duo, and GenAI.
Required Skills
  • 4-8 years of experience with Java, Spring Boot, and Microservices
  • Minimum 2 years of hands-on AWS and DevOps experience
  • Strong knowledge of GitLab, GitLab Duo, and GenAI
  • Familiarity with Docker and Kubernetes is a plus
  • Experience with IaC tools such as Terraform or CloudFormation is desirable
  • Strong problem-solving skills and ability to work collaboratively

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