NEW JOB OPENING
SENIOR JAVA FULL STACK ENGINEER - REACT & DATA PLATFORMS
IN Jersey City, NJ, USA!

 

Date Posted: 10/23/2026
Hiring Organization: Rose International
Position Number: 509738
Industry: Financial Services
Job Title: Senior Java Full Stack Engineer - React & Data Platforms
Job Location: Jersey City, NJ, USA, 07097
Work Model: Hybrid
Work Model Details: 3 days onsite and 2 days remote per week.
Shift: Standard Working Shift
Employment Type: Temp to Hire
FT/PT: Full-Time
Estimated Duration (In months): 9
Min Hourly Rate($): 90.00
Max Hourly Rate($): 97.00
Must Have Skills/Attributes: Banking/Financial, Java, Linux, Microservices, React.JS, Spring Boot, UNIX
Experience Desired:
Experience in Java full-stack development and scalable enterprise applications (8+ yrs),
Experience in Java backend development and distributed system design (8+ yrs),
Extensive developing high-performance systems handling large data volumes (8+ yrs)
Required Minimum Education: Bachelor’s Degree
Preferred Education: Master’s Degree

**C2C is not available**

 

Job Description
Required Education:

• Bachelor’s degree or university degree, or equivalent experience.



Preferred Education:

• Master’s degree preferred.



Required Skills, Experience, & Abilities:

• Expert-level knowledge of core Java concepts, Spring Boot, microservices, object-oriented programming (OOP), and design patterns.

• Hands-on experience with Java full-stack development, including React JS, UI/UX application development, and handling large data volumes.

• Strong backend development skills and experience building scalable, high-performance software platforms for data computation and processing.

• Strong understanding of data structures, algorithms, distributed systems, and software design patterns.

• Experience querying data lakes and working with modern storage technologies such as Amazon S3 and HDFS.

• Experience working with APIs, data querying technologies, and integrating chatbots and conversational AI.

• Knowledge of containerized deployments, cloud-native architecture, and cloud-based data processing platforms such as Snowflake.

• Experience with caching solutions such as Pinot and Redis.

• Experience with relational and/or document-oriented databases.

• Strong working knowledge of Linux/Unix environments and scripting.

• Ability to translate business and analytical requirements into efficient technical solutions.

• Strong problem-solving, analytical thinking, and written and verbal communication skills.

• Self-starter with the ability to take initiative and drive projects independently.

• Ability to align technology solutions with business objectives and regulatory requirements.

• Typically, 8+ years of relevant experience building large-scale, production-grade systems, with demonstrated expertise in Java backend development and distributed system design.



Desired Skills, Experience, & Abilities:

• Background in financial services, particularly Market Risk or FinTech.

• Familiarity with Agile software development and DevOps best practices.

• Experience optimizing large-scale data processing and querying for reporting and analytics.

• Ability to provide technical leadership, mentor junior developers, influence technical direction, and manage multiple initiatives in parallel.



Job Overview:

Seeking an experienced Java full-stack developer with strong backend expertise and React JS UI/UX development capabilities to build and enhance scalable, high-performance Market Risk technology solutions.

The role focuses on developing applications that query large data lakes stored in modern technologies such as Amazon S3 and HDFS, leveraging APIs and data querying technologies to support reporting, analytics, and business requirements. The position emphasizes querying and optimizing existing data lakes rather than building them.

The developer will work with large data volumes, modern data platforms, caching technologies, and cloud-native architectures to deliver efficient data processing and analysis capabilities. The role also involves integrating applications with chatbots and conversational AI while ensuring alignment with business objectives and regulatory requirements.



Responsibilities:

• Lead technical design and implementation of key Market Risk platform components while remaining deeply hands-on in development.

• Develop scalable, high-performance computing solutions for market risk calculations and analytical capabilities.

• Build and maintain Java full-stack applications using React JS, Spring Boot, microservices, and modern UI/UX practices.

• Query and optimize large data lakes using technologies such as Amazon S3 and HDFS to support reporting, analytics, and efficient data access.

• Implement containerized deployments and integrate with modern data platforms such as Snowflake for cloud-based data processing.

• Optimize risk data processing pipelines to improve efficiency and response times.

• Collaborate with product leads, cross-functional teams, and global counterparts to identify improvements and deliver high-quality technology solutions.

• Partner with Risk, Model Governance, and Compliance stakeholders to ensure regulatory requirements are accurately implemented in Market Risk technology.

• Work within an Agile development environment to ensure timely and efficient product delivery.

• Provide technical leadership and mentorship to junior developers within the team.



  • **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.).

 

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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

As a contractor, I have to say that Rose International was by far the best agency I have worked for.

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Working for Rose International was the most pleasant assignment I have ever had. They were always on top of situations when necessary, and very helpful. I was very proud to be an employee of Rose International, and would recommend anyone to try to work with them.

Melvon, Consultant

Rose International was not only attentive and responsive, but they were very professional and helpful whenever I called or needed any assistance.

Diane, Consultant

It is a great pleasure being a part of the Rose International Team.

Toni, Consultant

Each time I contacted Rose, I was completely satisfied with the great attention and customer service I received. Each person was extremely knowledgeable and patient with my concerns or questions.

Diana, Consultant

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