Java Backend Developer

Atlanta, GA - USA

Monthly Salary: Not Disclosed

Posted on: 4 hours ago

Vacancies: 1 Vacancy

Job Summary

Title: Java Backend Developer

Location: Atlanta GA (Hybrid)

Type: Contract

Job Responsibilities Include:

Design develop and maintain Java-based backend services supporting payment processing and transaction workflows
Build and enhance RESTful APIs used in card payments billing and financial integrations
Develop responsive front-end components using modern JavaScript frameworks (React Angular or similar)
Ensure applications remain compliant with PCI-DSS requirements including secure data handling and encryption standards
Apply secure coding practices to protect sensitive payment and cardholder data
Participate in code reviews architecture discussions and sprint planning within an agile environment
Collaborate closely with product owners architects and QA to deliver high-quality scalable solutions
Troubleshoot debug and optimize application performance in high-throughput systems
Work on-site in the Atlanta office 3 days per week to support collaboration design sessions and agile ceremonies

Basic Qualifications:

8 years of experience in Java/J2EE application development
8 years of strong foundation in Core Java including:
OOP principles (inheritance polymorphism abstraction encapsulation)
Collections multithreading concurrency and exception handling
JVM fundamentals and memory management
5 years of hands-on experience with Spring / Spring Boot
5 years of proven experience building and supporting RESTful APIs

Travel:

Minimal travel expected

Degree:

Bachelors degree in Computer Science Engineering or equivalent practical experience

Preferred Skills:

Solid understanding of SQL and relational databases
Prior experience in the payments or financial services industry supporting transaction-based systems
Demonstrated experience working in or supporting PCI-DSS compliant environments
Front-end development experience with JavaScript HTML CSS and at least one modern framework
Experience with Git or similar version control systems
Strong problem-solving skills and attention to detail
Ability and willingness to work on-site in Atlanta 3 days per week (mandatory)
Experience with microservices architecture
Exposure to CI/CD pipelines and DevOps practices
Cloud experience (AWS Azure or GCP)
Experience with JUnit Mockito or other unit testing frameworks
Prior work on high-volume payment platforms gateways or card processing systems

What Were Looking For:

Engineers who understand Java fundamentals deeply not just framework usage
Someone who can articulate why a solution works especially in secure regulated environments
A collaborative team player who values clean maintainable and secure code
Comfort working in a hybrid in-office collaborative model

Title: Java Backend Developer Location: Atlanta GA (Hybrid) Type: Contract Job Responsibilities Include: Design develop and maintain Java-based backend services supporting payment processing and transaction workflows Build and enhance RESTful APIs used in card payments billing and financial integ...