Senior Java Full Stack Engineer - React & Data Platforms

Rose International

Jersey City (NJ)

On-site

USD 140,000 - 180,000

Full time

2 days ago

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Job summary

Rose International is seeking an experienced Java full-stack developer with strong backend expertise and React UI/UX development capabilities. You will build scalable, high-performance Market Risk technology solutions that query large data lakes stored in Amazon S3 and HDFS, leveraging APIs and data querying tools for reporting and analytics.

The role focuses on optimizing data lake queries and data access, while integrating with modern data platforms like Snowflake and caching systems.

Qualifications

Expert-level knowledge of core Java concepts, Spring Boot, microservices, OOP and design patterns.
Hands-on Java full-stack development with React UI/UX and handling large data volumes.
Strong backend development for scalable, high-performance platforms for data computation and processing.
Knowledge of data structures, algorithms, distributed systems, and software design patterns.

Responsibilities

Lead design and implement Market Risk platform components while remaining hands-on.
Develop scalable, high-performance computing solutions for market risk calculations.
Build and maintain Java full-stack apps using React JS, Spring Boot, microservices and modern UI/UX.
Query and optimize large data lakes using S3/HDFS to support analytics.

Skills

Java backend

Spring Boot

Microservices

OOP

Design patterns

React JS

UI/UX development

Data processing

Data lakes

Amazon S3

HDFS

APIs

Chatbots & AI

Cloud-native

Snowflake

Redis

Databases

Linux/Unix

Scripting

Regulatory alignment

Leadership

Education

Bachelor's degree

Master's degree

Tools

React JS

Spring Boot

Docker

Kubernetes

Snowflake

Amazon S3

HDFS

Redis

Pinot

Databases (SQL/NoSQL)

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.**