Lead Java Developer

Rose International; Rutherford (NJ); Hybrid; USD 124,000 - 145,000; Full time

Job summary

Rose International is seeking a Lead Java Developer for a hybrid role in Rutherford, NJ. You will lead the development of enterprise Java applications using Core Java, Java EE, Spring Boot and microservices.

The role demands 10+ years of Java experience, strong leadership, and expertise in multithreading, JPA/Hibernate, design patterns, and agentic AI concepts. You will architect components, review code, and guide teams across on-site and remote colleagues.

Qualifications

• 10+ years of Java development experience.
• Strong leadership, communication, and time-management skills.
• Deep knowledge of Core Java, Java EE, and Spring Boot.
• Extensive Spring Microservices, multithreading, concurrency, JPA, Hibernate.
• Agentic AI concepts and AI agent orchestration are a plus.

Responsibilities

• Collaborate with the business/technical product owner and SMEs to perform detailed requirements analysis.
• Responsible for components design, construction and unit testing of assigned modules.
• Perform technical reviews and resolve challenges.
• Coordinate with customer stakeholders and bridge offshore communication.
• Ensure overall deliverables and highlight risks.

Skills

AI

Generative AI/GenAI

Java

Microservices

Spring Boot

Education

Bachelor’s Degree

Master’s Degree

Job description

Date Posted: 10/29/2026

Hiring Organization: Rose International

Position Number: 510004

Industry: Financial Services

Job Title: Lead Java Developer

Job Location: Rutherford, NJ, USA, 07070

Work Model: Hybrid

Work Model Details: Hybrid Model- 3 Days onsite/ 2 days remote

Shift: Standard Working Hours

Employment Type: Temp to Hire

FT/PT: Full-Time

Estimated Duration (In months): 7

Min Hourly Rate($): 90.00

Max Hourly Rate($): 105.00

Must Have Skills/Attributes: AI, Generative AI/GenAI, Java, Microservices, Spring Boot

Nice To Have Skills/Attributes: Banking/Financial

Experience Desired:
Strong Java development, Core Java, Java EE, Spring Boot, enterprise web applications, design patterns. (10 yrs),
Strong Spring Microservices, multithreading, concurrency, JPA, Hibernate, component design, unit testing. (10 yrs),
Agentic AI, AI agent development, autonomous agents, multi-agent architecture, agent orchestration, agent communication. (2 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 or engineering or equivalent discipline

Preferred Education
Master’s degree preferred

Required Qualifications/Skills/Experience
Minimum of 10 years of experience in Java development
Strong leadership skills, excellent communication, time-management; planning, negotiation skills and presentation skills are highly desirable.
In-depth knowledge in building enterprise web applications
In-depth knowledge and understanding of Core Java, Java EE, Spring boot
Excellent Knowledge in Spring Microservices architecture and design patterns
In-depth knowledge of Multithreading , Concurrency, JPA , Hibernate
Extensively used Eclipse or IntelliJ
Agentic System Design: Lead the architectural design and implementation of multi-agent systems and autonomous AI solutions, ensuring scalability, robustness, and performance.
AI Agent Development: Develop, train, and fine-tune individual AI agents, for tasks such as natural language understanding, decision-making, and task execution.
Orchestration & Integration: Design and implement frameworks for agent orchestration, communication, and collaboration within a larger ecosystem. Integrate agentic AI solutions with existing enterprise platforms and data sources.
Research & Innovation: Stay abreast of the latest advancements in agentic AI, multi-agent systems, and related fields. Conduct research and rapid prototyping of new AI technologies and methodologies.
Excellent analytical, problem-solving, and troubleshooting skills
Ability to work both independently and as part of a team
Knowledge of hardware and operating systems (Unix-based systems)
Knowledge of event based architecture , JMS
Understanding of relational databases (Oracle)
Agile experience with application servers and web application servers

Preferred Qualifications/Skills/Experience
Knowledge of Python, PySpark and working in BigData environment is a plus-Nice to have.
The role requires an individual who is results-focused, proactive, highly collaborative, confident under pressure, and has demonstrated skills in both solution evangelism and expectation management.
Understanding of agile /waterfall development methodologies and test-driven development practices

Overview
Manage multiple teams of professionals to accomplish established goals and conduct personnel duties for team (e.g. performance evaluations, hiring and disciplinary actions).
Provide strategic influence and exercise control over resources, budget management and planning while monitoring end results.
Utilize in-depth knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues.
Ensure essential procedures are followed and contribute to defining standards.
Integrate in-depth knowledge of applications development with overall technology function to achieve established goals.
Provide evaluative judgement based on analysis of facts in complicated, unique, and dynamic situations including drawing from internal and external sources.
Influence and negotiate with senior leaders across functions, as well as communicate with external parties as necessary.
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm’s reputation and safeguarding Bank, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards.

Job Duties
Collaborate with the business/Technical product owner & SMEs to perform detailed requirements analysis.
Responsible for Components Design, Construction & Unit Testing of assigned components/modules.
Perform technical review and resolve any technical challenges.
Coordinate with customer stakeholders and bridge the offshore communication.
Responsible for overall deliverables and highlight if any risk.

Industry (optional)
Financial Services / Banking – Nice to have.

• **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.).