Senior Full Stack AI/ Java Developer

DataStaff, Inc. is seeking a Senior Full Stack AI/ Java Developer for a long-term contract opportunity with one of our direct clients in Raleigh, NC
*This position is hybrid
Job Description:
The Senior Full Stack Java Developer AI-Driven Modernization is a critical role that combines deep Java expertise with AI-powered development practices to transform legacy mainframe applications into a secure, scalable, and user-friendly web-based platform. This position requires hands-on coding experience across the stack and the ability to embed AI into every stage of the software development lifecycle from design and coding to testing, security, and performance optimization.
Responsibilities

• Transform a legacy mainframe system into a modern, web-based platform that improves usability, accessibility, and scalability.

• Lead full-stack development using Java (8+ or higher), Spring Boot, Spring Data, and ORM tools like Hibernate/JPA.
• Apply AI-driven practices for code generation, automated testing, security vulnerability detection, and performance optimization.
• Write AI prompts and specifications into development workflows, ensuring clarity and accuracy for automated processes.
• Build responsive front-end interfaces with HTML5, CSS, JavaScript, and frameworks such as React or Angular or similar.
• Design and implement RESTful APIs, ensure secure and scalable architecture, and manage data migration to relational databases (PostgreSQL, Oracle, DB2or similar).
• Integrate messaging platforms (JMS, RabbitMQ, Kafka or similar).
• Implement CI/CD pipelines(Jenkins, GitHub Actions or similar) and follow Agile methodologies.
• Ensure compliance with secure coding standards and contribute to technical documentation and deployment support.

Knowledge and Experience:

• Hands-on experience in Java development with full-stack expertise.
• Experience in Spring Framework/Spring Boot, ORM tools (Hibernate/JPA) or similar.
• Strong front-end development experience:HTML5, CSS, JavaScript, and modern frameworks (React/Angular).
• Solid understanding of RESTful API design, microservices architecture, and cloud-native development.
• Hands-on experience with relational databases and advanced SQL.
• Experience with unit testing frameworks and CI/CD pipelines.
• Strong understanding of secure coding practices, compliance standards, and performance optimization.
• Experience with legacy system enhancement and modernization.
• Experience with cloud platforms (AWS, Azure, Google Cloud Platform).
• Experience with containerization technologies (Docker, Kubernetes).
• Experience with event-driven architectures and streaming platforms such as Kafka.

Required Skills:

• 7 Years - Experience with Backend (Java 8+ or higher, Spring Framework, Spring Framework, Spring Boot, Spring Data JPA/Hibernate/REST)
• 2 Years - Experience in AI prompt engineering and writing AI specifications for development automation and intelligent workflows
• 2 Years - Experience applying AI in software development processes(code generation, automated testing, security scanning, optimization)
• 2 Years - Experience with AI-assisted development tools (GitHub Copilot, OpenAI, Gemini, Windsurf or similar)
• 2 Years - Experienced in implementing AI Security & Governance, AI security best practices, understanding and applying security safeguard when using agentic AI
• 4 Years - Experience with Frontend (JavaScript, HTML5, CSS, Bootstrap or similar technologies)
• 4 Years - Experience with Databases development (DB2, Oracle, PostgreSQL or other databases, Writing SQL, Stored Procs)

Highly Desired Skill:

• 1 Years - Experience with React, Angular and similar UI framework
• 1 Years - Experience with Mainframe System Modernization

This opportunity is available on a corp to corp basis or as a W2 position with a competitive benefits package. DataStaff, Inc. 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.