Enterprise Java Backend Engineer - REST, Microservices & Cloud

Quantum Technologies LLC; Raleigh (NC); On-site; USD 73,000 - 104,000; Full time

Job summary

Quantum Technologies. LLC is seeking a versatile Application Systems Java Developer to build and maintain enterprise applications, backend services, automation tools, and legacy system integrations.

The ideal candidate will work across Java, Python, and Perl, delivering scalable solutions and RESTful APIs while collaborating with cross-functional teams. The role requires strong problem-solving skills, full-stack capabilities, and the ability to modernize legacy systems.

Qualifications

• Proficiency in Java with Spring Boot and Maven.
• Proficiency in Python for backend tasks.
• Strong understanding of REST APIs and microservices.
• Solid SQL skills with relational databases (SQL Server, PostgreSQL, Oracle, MySQL).
• Experience with Git/Subversion, Linux/Unix environments, and version control.
• Strong problem solving and debugging across languages and platforms.

Responsibilities

• Develop and maintain backend applications and services using Java, Python, and Perl.
• Build RESTful APIs, microservices, and integration points with internal and external systems.
• Modernize and refactor legacy Perl-based or older applications.
• Create automation scripts, system tools, and scheduled jobs for IT operations.
• Write clean, scalable code following best practices and standards.
• Design and implement SQL queries, stored procedures, and data-processing workflows.
• Participate in architecture discussions, design sessions, and sprint planning.
• Debug and resolve issues across languages and environments.
• Deploy applications to cloud or on-prem environments (Azure, AWS, GCP, Linux/Unix).
• Collaborate with cross-functional teams to gather requirements and deliver solutions.
• Maintain documentation for systems, integrations, and processes.

Skills

Java

Python

REST APIs

SQL

Git/Subversion

Linux/Unix

Problem solving

Tools

Spring Boot

Maven

Cloud (Azure/AWS/GCP)

SQL Server

PostgreSQL

Oracle

MySQL

CI/CD

Job description

Quantum Technologies. LLC is seeking a versatile Application Systems Java Developer to build and maintain enterprise applications, backend services, automation tools, and legacy system integrations.

The ideal candidate will work across Java, Python, and Perl, delivering scalable solutions and RESTful APIs while collaborating with cross-functional teams. The role requires strong problem-solving skills, full-stack capabilities, and the ability to modernize legacy systems.