Core Java & UI Developer Expert

Intone Networks Inc.; Atlanta, Northern (GA, KY); Hybrid; USD 110,000 - 150,000; Full time

Job summary

Intone Networks Inc. in Atlanta, GA is seeking a Core Java & UI Developer Expert for a 6+ month contract.

You will develop backend microservices with Spring/Spring Boot and build responsive UI with React.js and Angular, integrating front-end with REST APIs and enterprise data stores. The role requires 8+ years of software development, deep Java 8+ experience, and strong knowledge of SQL, Hibernate/JPA, CI/CD, Git, and secure coding practices.

Qualifications

• 8+ years of software application development experience.
• 8+ years of Core Java development experience (Java 8+ features, collections, concurrency, JVM fundamentals).
• 4+ years UI/front-end development with React.js and/or Angular (JavaScript/TypeScript, HTML5, CSS3).
• 4+ years backend development with Spring, Spring Boot, RESTful APIs, microservices.

Responsibilities

• Develop and maintain enterprise backend services using Spring, Spring Boot, RESTful APIs, and microservices architecture.
• Build responsive UI applications using React.js and/or Angular with JavaScript/TypeScript, HTML5, and CSS3.
• Integrate front-end apps with REST APIs and distributed backend services.
• Design and optimize relational databases, write complex SQL queries, and work with ORM frameworks such as Hibernate/JPA.
• Implement secure coding practices, authentication/authorization, and production-grade error handling.
• Optimize application performance, debug, perform root-cause analysis, and provide production support for enterprise apps.
• Manage Git-based source control, configure CI/CD, automate builds, and enforce code-quality with unit testing.
• Collaborate across architecture, engineering, QA, and product teams in an Agile/Scrum environment.

Skills

Core Java

UI/Frontend

React.js

Angular

RESTful APIs

Spring/Spring Boot

Hibernate/JPA

SQL

Git

CI/CD

Unit Testing

Security

Tools

Hibernate/JPA

Job description

We are seeking a Core Java & UI Developer Expert for a contract position in Atlanta, Georgia. This is a 6+ month engagement requiring deep expertise across full-stack development, from backend microservices to modern front-end interfaces.

Responsibilities

• Develop and maintain enterprise backend services using Spring, Spring Boot, RESTful APIs, and microservices architecture
• Build responsive, user-centric UI applications using React.js and/or Angular with JavaScript/TypeScript, HTML5, and CSS3
• Integrate front-end applications with REST APIs and distributed backend services
• Design and optimize relational database schemas, write complex SQL queries, and work with ORM frameworks such as Hibernate/JPA
• Implement secure coding practices, authentication/authorization mechanisms, and production-grade error handling
• Optimize application performance, conduct debugging, perform root-cause analysis, and provide production support for enterprise applications
• Manage source control with Git-based systems, configure CI/CD pipelines, automate builds, and enforce code-quality practices through unit testing
• Collaborate across architecture, engineering, QA, and product teams in an Agile/Scrum environment

Qualifications

• Required
  • Minimum 8+ years of overall software application development experience
  • Minimum 6+ years of hands-on Core Java development experience, including Java 8+ features, collections, concurrency/multithreading, exception handling, JVM fundamentals, and object-oriented design
  • Minimum 4+ years of hands-on UI/front-end development experience using React.js and/or Angular with JavaScript/TypeScript, HTML5, and CSS3
  • Minimum 4+ years of experience developing enterprise backend services using Spring, Spring Boot, RESTful APIs, and microservices
  • Minimum 3+ years of experience integrating front-end applications with REST APIs and distributed backend services
  • Minimum 3+ years of experience with relational databases and SQL; experience with ORM frameworks such as Hibernate/JPA
  • Minimum 3+ years of experience with Git-based source control, CI/CD pipelines, automated builds, unit testing, and code-quality practices
  • Strong understanding of application security, authentication/authorization, secure coding practices, and production-grade error handling
  • Demonstrated experience with performance optimization, debugging, root-cause analysis, and production support for enterprise applications
  • Experience working in Agile/Scrum teams and collaborating across architecture, engineering, QA, and product functions