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Java Full Stack Developer ( React )

QUANTUM TECHNOLOGIES LLCUnited States🇺🇸United StatesPosted 4 Aug 2026

Quick Overview

Salary
€85/hr
Work Type
Remote
Level
Mid Senior

Job Description

Job Title: Java Full Stack Developer ( React )

Location: Remote

Duration: 6 Months + Extension

Bill Rate : $85/hr.

Job Type: C2C/1099 Contract

Client: To Be Discussed Later

Work Authorization: US-Citizen, H-1B, OPT-EAD, GC-EAD

Key Responsibilities

  • Design, develop, and maintain scalable full-stack applications using Java and React.
  • Build robust backend services using Java 17/21, Spring Boot, Spring MVC, and Microservices.
  • Develop responsive and interactive front-end applications using React.js, JavaScript (ES6+), TypeScript, HTML5, and CSS3.
  • Design and implement RESTful APIs and integrate third-party services.
  • Develop secure, high-performance applications following industry best practices.
  • Collaborate with Product Owners, Architects, QA, and DevOps teams throughout the SDLC.
  • Optimize application performance, scalability, and reliability.
  • Participate in architecture discussions, code reviews, and technical mentoring.
  • Write unit, integration, and automated tests.
  • Troubleshoot production issues and implement permanent fixes.
  • Work in Agile/Scrum environments.
Required Skills
  • 10+ years of experience in Java Full Stack Development.
  • Strong expertise in Java 8/11/17 (Java 21 is a plus).
  • Excellent knowledge of Spring Boot, Spring MVC, Spring Security, Spring Data JPA.
  • Experience developing Microservices architecture.
  • Strong experience with React.js, Redux/Context API, Hooks.
  • Proficiency in JavaScript, TypeScript, HTML5, CSS3.
  • Experience with RESTful APIs and JSON.
  • Strong SQL knowledge with PostgreSQL, Oracle, SQL Server, or MySQL.
  • Experience with NoSQL databases such as MongoDB or Cassandra.
  • Experience with Git, Maven, Gradle, and Jenkins.
  • Knowledge of Docker and Kubernetes.
  • Experience with AWS, Azure, or Google Cloud Platform.
  • Familiarity with Kafka, RabbitMQ, or other messaging platforms.
  • Experience with CI/CD pipelines.
  • Strong debugging, performance tuning, and problem-solving skills.
  • Excellent communication and leadership abilities

Equal Opportunity Employer:
We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.

Skills

Docker
Microservices
MongoDB
MySQL
Oracle
SQL
SQL Server
Spring
Spring Boot
AWS
Scrum
Agile
Azure
Cassandra
Git
Google Cloud
Java
JavaScript
Jenkins
Kafka
Kubernetes
PostgreSQL
RabbitMQ
React
Redux
TypeScript

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