Application Systems Java Developer

DataStaff, Inc. is in need of an Application Systems Java Developer for a long-term contract opportunity with one of our direct clients located in Raleigh, NC

• This position is hybrid.

Job Description

Our client is seeking a versatile Application Systems Java Developer to develop, enhance, and maintain enterprise applications, backend services, automation tools, and legacy system integrations. This role requires strong problem-solving skills, full-stack development capabilities, and an ability to work across modern and legacy technologies.

Key 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 existing Perl-based or legacy applications into modern architectures
• Create automation scripts, system tools, and scheduled jobs to support IT operations
• Write clean, efficient, and scalable code following best practices and coding standards
• Design and implement SQL queries, stored procedures, and data-processing workflows
• Participate in architecture discussions, technical design sessions, and sprint planning
• Debug and resolve complex issues across multiple languages and platforms
• Deploy applications to cloud or on-premise environments (Azure, AWS, GCP, Linux/Unix)
• Collaborate with cross-functional teams to gather requirements and deliver technical solutions
• Maintain documentation for systems, integrations, and processes

Knowledge and Experience

• Proficiency in Java (Spring Boot, Maven)
• Experience with Git/Subversion, Linux/Unix environments, and version-controlled development
• Strong problem-solving and debugging skills across languages and environments
• Experience with version control (Git/Subversion) and CI/CD pipelines

Required Skills

• 7 Years - Proficiency in Java, Python
• 7 Years - Solid understanding of SOAP/REST APIs, backend architecture, and microservices
• 7 Years - Strong SQL skills and experience working with relational databases (SQL Server, PostgreSQL, Oracle, MySQL, Ingres)
• 5 Years - Senior-level experience writing optimized SQL queries and analyzing existing SQL queries for performance improvements

Desired Skills

• 5 Years - Familiarity with legacy system migration projects
• 3 Years - Hands-on experience with Perl for scripting, system utilities, or legacy app maintenance
• 3 Years - Experience with cloud platforms (AWS, Azure, GCP)
• 3 Years - Experience with ETL, data pipelines, or batch processing

This position is available as a corp-to-corp or W2 position with a competitive benefits package. DataStaff offers medical, dental, and vision coverage options as well as paid vacation, sick, and holiday leave. As many of our opportunities are long-term, we also have a 401k program available for employees after 6 months.