Senior Java Full Stack Developer

Rose International; Jersey City (NJ); Hybrid; USD 124,000 - 138,000; Full time

Job summary

Rose International is seeking an experienced Senior Java Full Stack Developer in Jersey City, NJ. The role blends hands-on Java backend work with React-based frontend development to handle large data volumes within a market risk platform.

You will architect and implement scalable solutions, collaborate with global teams, and ensure regulatory requirements are met in an Agile environment. Hybrid work with defined onsite/remote days.

Qualifications

• Expert-level knowledge of core Java concepts and frameworks such as Spring Boot and Microservices.
• Hands-on experience with Java Full Stack development using React and large data volumes.
• Strong data structures, algorithms, and software design patterns.
• Extensive experience building highly scalable, high-performance software platforms for data computation and processing.
• Experience with containerized deployments and cloud-native architecture.
• Familiarity with Agile software development and DevOps best practices.
• 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.
• Typically, 8+ years of relevant experience building large-scale, production-grade systems, with demonstrated depth in Java-based backend development and distributed system design.
• Background in financial services, especially Market Risk or FinTech.
• Strong problem-solving and analytical thinking.
• Self-starter with the ability to take initiative and drive projects independently.
• Ability to align technology with business goals and regulatory needs.
• Excellent verbal and written communication skills.

Responsibilities

• Lead the technical design and implementation of key components of the Market Risk platform while remaining deeply hands-on in development.
• Communicate regularly with product leads across the technology organization and discuss opportunities to improve existing and future technology solutions.
• Implement scalable and high-performance computing solutions for market risk computing and analysis capabilities.
• Implement containerized deployment and integrate with modern data platforms such as Snowflake for cloud-based data processing.
• Collaborate with cross-functional teams and global counterparts to deliver high-quality solutions.
• Optimize risk data processing pipelines to improve efficiency and response time.
• Partner with Risk, Model Governance, and Compliance stakeholders to ensure regulatory requirements are accurately implemented in market risk technology.
• Work in an Agile development environment to ensure timely and efficient product delivery.
• Provide technical leadership and mentorship to junior developers in the squad.

Skills

Java

Spring Boot

Microservices

React.js

APIs

Big Data

UI/UX Design

OOP

Design Patterns

Cloud-native

Containerization

DevOps

Caching (Pinot)

Redis

Databases (SQL/NoSQL)

Linux/Unix

Remote Collaboration

Distributed Systems

Education

Bachelor’s Degree

Master’s Degree

Tools

Snowflake

Job description

Date Posted: 09/21/2026

Hiring Organization: Rose International

Position Number: 507846

Industry: Financial Services

Job Title: Senior Java Full Stack Developer

Job Location: Jersey City, NJ, USA, 07310

Work Model: Hybrid

Work Model Details: 3 days onsite and 2 days remote per week.

Shift: Standard Working Hours

Employment Type: Temp to Hire

FT/PT: Full-Time

Estimated Duration (In months): 6

Min Hourly Rate($): 90.00

Max Hourly Rate($): 100.00

Must Have Skills/Attributes: API, Banking/Financial, Big Data, Java, React.JS, UI/UX Design

Experience Desired: Full-stack development experience, with strong Java back-end skills (10+ yrs); Experience building apps that handle terabytes of data at scale (8+ yrs); Experience with React, APIs, and modern data platforms such as S3 or HDFS (5+ yrs)

Required Minimum Education: Bachelor’s Degree

Preferred Education: Master’s Degree

C2C is not available

Job Description

Required Education//Certifications

• Bachelor’s degree/University degree or equivalent experience.

Preferred Education/ Certifications

• Master’s degree preferred.

Required Skills, Experience, & Abilities

• Expert-level knowledge of core Java concepts and frameworks such as Spring Boot and Microservices, with strong knowledge of OOP concepts and design patterns.
• Hands-on experience with Java Full Stack development using React and large data volumes.
• Solid understanding of data structures, algorithms, and software design patterns.
• Extensive experience building highly scalable, high-performance software platforms for data computation and processing.
• Experience with containerized deployments and cloud-native architecture.
• Familiarity with Agile software development and DevOps best practices.
• 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.
• Typically, 8+ years of relevant experience building large-scale, production-grade systems, with demonstrated depth in Java-based backend development and distributed system design.
• Background in financial services, especially Market Risk or FinTech.
• Strong problem-solving and analytical thinking.
• Self-starter with the ability to take initiative and drive projects independently.
• Ability to align technology with business goals and regulatory needs.
• Excellent verbal and written communication skills.

Desired Skills, Experience, & Abilities

• Ability to guide junior staff, influence technical direction, and manage multiple initiatives in parallel.
• Experience collaborating with cross-functional teams and global counterparts.

Job Overview

This role provides deeply hands-on development while leading the technical design and implementation of key components of the Market Risk platform. The position focuses on building scalable, high-performance computing solutions for market risk calculations and analysis capabilities, while optimizing risk data processing pipelines for improved efficiency and response time. Responsibilities include implementing containerized deployments and integrating modern data platforms such as Snowflake for cloud-based data processing. The role requires close collaboration with product leads across the technology organization, Risk, Model Governance, Compliance, cross-functional teams, and global counterparts to deliver high-quality technology solutions. The successful candidate will translate business and analytical requirements into efficient technical solutions while ensuring regulatory requirements are accurately implemented. Working within an Agile development environment, the role also provides technical leadership and mentorship to junior developers and contributes to the technical direction of the squad.

Responsibilities

• Lead the technical design and implementation of key components of the Market Risk platform while remaining deeply hands-on in development.
• Communicate regularly with product leads across the technology organization and discuss opportunities to improve existing and future technology solutions.
• Implement scalable and high-performance computing solutions for market risk computing and analysis capabilities.
• Implement containerized deployment and integrate with modern data platforms such as Snowflake for cloud-based data processing.
• Collaborate with cross-functional teams and global counterparts to deliver high-quality solutions.
• Optimize risk data processing pipelines to improve efficiency and response time.
• Partner with Risk, Model Governance, and Compliance stakeholders to ensure regulatory requirements are accurately implemented in market risk technology.
• Work in an Agile development environment to ensure timely and efficient product delivery.
• Provide technical leadership and mentorship to junior developers in the squad.

• 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.).