Top 77 Core java developer Jobs in Warren, Nj

Lead Backend Java Developer
Rose International —Rutherford, NJ
- $100 - $110 an hour
- Hybrid work
- Management
- Computer Science
- 8 years
Java Developer (Java/J2ee/Spring with JBPM)
Sonoma Consulting Inc. —Warren, NJ
- Full-time
- 3 years
- Analysis skills
- Bachelor's degree
Quick Apply
Java Developer (J2EE)
Sonoma Consulting Inc. —Edison, NJ
- Full-time
- Management
- Mid-level
- 3 years
Quick Apply
Java Developer
Staxa Technologies —Piscataway, NJ
- Full-time
- Mid-level
- Team management
- Mentoring
Software Developer / Engineer (Java)
Eniac Systems —Edison, NJ
- Office
- AWS
- Senior level
Java Developer (AngularJS)
Sonoma Consulting Inc. —Jersey City, NJ
- Full-time
- Mid-level
- 3 years
- Analysis skills
Quick Apply
Software Developer
Oncorre —Bridgewater, NJ
- Computer Science
- Windows
- Java
- Paid holidays
- Health insurance
Java J2ee Developer
Hermes Networks —Plainsboro, NJ
- Email
- Computer Science
- Mid-level
- Windows
Senior Java & API Developer
Benecard Services Inc. —Clifton, NJ
- $110,000 - $130,000 a year
- Full-time
- System design
- Office
- SQL
- Disability insurance
- Health insurance
Quick Apply
Software Developer
XoriantːUS —Edison, NJ
- Computer Science
- Mid-level
- Master's degree
Senior Java Full Stack Developer
Conduent Transport Solutions, Inc —Somerset, NJ
- $110,690 - $143,750 a year
- Email
- Hybrid work
- Management
- Computer Science
- 3 years
- Paid training
- Paid holidays
Full Stack Application Developer
MIAX —Princeton, NJ
- $120,000 - $170,000 a year
- Email
- Azure
- Computer Science
- SQL
Sr Developer - Java API - Jersey City
Photon —Jersey City, NJ
- $44,000 - $154,000 a year
- Full-time
- Oracle
- 8 years
- Analysis skills
- Paid holidays
- Health insurance
Java Full Stack Developer - Remote Most of the time - Full time
Fabergent —Livingston, NJ
- Full-time
- Remote
- 5 years
- Java
- Senior level
Quick Apply
RegOps Java Lead Developer
NS IT Solutions —Woodbridge, NJ
- $65 - $70 an hour
- Computer Science
- Office
- SQL
Quick Apply
Objective-C Developer - Remote most of the time - Fulltime/Permanent
Fabergent —Livingston, NJ
- Full-time
- Remote
- 5 years
- Java
- Senior level
Quick Apply
Java/API Engineers - Jersey City
Photon —Jersey City, NJ
- Oracle
- Analysis skills
- Senior level
AI Software Developer
Leidos —New Jersey
- $69,550 - $125,725 a year
- Full-time
- Hybrid work
- Computer science
- Azure
- Computer Science
Lead AI Software Developer
Leidos —New Jersey
- $87,100 - $157,450 a year
- Full-time
- Hybrid work
- Computer science
- Azure
- Computer Science
Senior JAVA Full Stack Software Engineer
MetLife —Whippany, NJ
- $130,000 - $150,000 a year
- Email
- Hybrid work
- Computer science
- Azure
- Computer Science
- Paid holidays
- Disability insurance
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core java developer jobs near warren, nj

Lead Backend Java Developer

Rose International -
Rutherford, NJ

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Job Details

Temp-to-hire
$100 - $110 an hour

Qualifications

Jira
Spring Boot
Software engineering
Management
CSS
Continuous Delivery (CD) implementation
Team supervision
Tooling
Coaching
Scalable systems
Enterprise software systems development
JavaScript frameworks
Microservices
Application design
Scripting
Leading team collaboration initiatives
GitHub
Developing automated testing protocols
Scalability
Web applications
Agile software development
Linux
JDBC
Defect tracking tools
DevOps automation
Managing software development teams
Developer tools
HTML
Hibernate

Full Job Description

Date Posted: 05/27/2026

Hiring Organization: Rose International

Position Number: 501854

Industry: Financial Services

Job Title: Lead Backend Java Developer

Job Location: Rutherford, NJ, USA, 07070

Work Model: Hybrid

Work Model Details: Hybrid -3 days onsite and 2 days remote

Shift: Standard Work Hours (EST)

Employment Type: Temp to Hire

FT/PT: Full-Time

Estimated Duration (In months): 7

Min Hourly Rate($): 100.00

Max Hourly Rate($): 110.00

Must Have Skills/Attributes: Banking/Financial, CI/CD tools, Hibernate, Java, JDBC, Microservices, React.JS, SDLC, Spring, Spring Boot, Spring Framework

Experience Desired: Full-stack application development experience using Java/J2EE technologies (8-10+ yrs); Hands-on experience with Spring Framework, REST APIs, and concurrent programming (5+ yrs); Experience with CI/CD pipelines, DevOps tools, and Agile/TDD practices (3+ yrs)

Required Minimum Education: Bachelor’s Degree

Preferred Education: Master’s Degree

**C2C is not available**

Job Description

Required Education:

Bachelor’s degree in computer science, Information Technology, Engineering, or related field

Preferred Education:

Master’s degree in computer science, Information Technology, Engineering, or related field

Required Qualifications/Skills/Experience:

Hands-on experience in Web technologies (HTML, CSS), REST-APIs, and Backend using Java/J2EE technologies
Experience with Agile software development processes with a strong emphasis on test driven development
Strong knowledge of CI/CD pipelines and experience in tools such as JIRA, BlackDuck, SONAR etc.
Demonstrated capacity to build sophisticated tooling for development and production team use
Has the ability to operate with minimal level of direct supervision
Full-stack developer with 8-10+ years of experience in designing and developing robust, scalable, and maintainable applications applying Object Oriented Design principles
Java Core with extensive hands-on experience with concurrent programming
Spring Framework including Core, Integration, Batch, JDBC, Hibernate
Databases - RDBMS preferably Oracle, NoSQL preferably MongoDB
Familiarity with Linux environment including scripting skills
SDLC/Dev Ops - Github, CI/CD pipeline frameworks such as Jenkins, SonarQube, JIRA, any secure coding toolkits
Ability to lead and coach team of developers

Preferred Qualifications/Skills/Experience:

Experience with React JS
Experience in financial or banking sector
Automated testing experience
Experience with AI Dev tools such as Copilot

Overview:
This is a Lead development position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to build robust, high-performance, large-scale applications. The role requires extensive hands-on experience in web technologies, backend development using Java/J2EE technologies, REST APIs, Agile software development processes, and CI/CD pipelines. The candidate should have strong expertise in building scalable and maintainable applications using Object Oriented Design principles and experience working with Spring Framework, Oracle, MongoDB, Linux scripting, and DevOps tools. The ideal candidate should be capable of operating with minimal supervision while leading and coaching a team of developers. Experience with React JS, financial or banking sector projects, automated testing, and AI development tools such as Copilot will be considered an added advantage.

Job Duties:

Establish and implement new or revised application systems and programs
Coordinate with the Technology Team to deliver application solutions
Build robust, high-performance, and large-scale applications
Develop backend applications using Java/J2EE technologies
Develop and integrate REST APIs
Work with web technologies including HTML and CSS
Follow Agile software development processes with emphasis on test driven development
Build and maintain CI/CD pipelines
Utilize tools such as JIRA, BlackDuck, SONAR, Jenkins, SonarQube, and Github
Build sophisticated tooling for development and production team use
Design and develop scalable and maintainable full-stack applications
Apply Object Oriented Design principles in application development
Work with Spring Framework including Core, Integration, Batch, JDBC, and Hibernate
Manage and work with Oracle and MongoDB databases
Work within Linux environments and perform scripting tasks
Lead and coach a team of developers
Support DevOps and secure coding practices

#CT1

**Only those lawfully authorized to work in the designated country associated with the position will be considered.**

**Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.**

Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.

California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.

Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.

If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.

Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).

About Rose

Founded in 1993
Office Locations Across the U.S.
150+ Clients: Corporations and Government Agencies
Employee Oriented Company
Challenging Assignments Across the U.S.
Continuous Professional Development

Apply Now

Refine Your Search

core java developer jobs in warren, nj

Lead Backend Java Developer

Java Developer (Java/J2ee/Spring with JBPM)

Java Developer (J2EE)

Java Developer

Software Developer / Engineer (Java)

Java Developer (AngularJS)

Software Developer

Java J2ee Developer

Senior Java & API Developer

Software Developer

Senior Java Full Stack Developer

Full Stack Application Developer

Sr Developer - Java API - Jersey City

Java Full Stack Developer - Remote Most of the time - Full time

RegOps Java Lead Developer

Objective-C Developer - Remote most of the time - Fulltime/Permanent

Java/API Engineers - Jersey City

AI Software Developer

Lead AI Software Developer

Senior JAVA Full Stack Software Engineer

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