Full Stack Engineer II - Java, APIs & GenAI

We are seeking a Full Stack Engineer II to design and build scalable, enterprise‑grade applications using Java, API‑first architecture, and GenAI‑powered development practices. This role focuses on building high‑performance backend services and modern frontend integrations while leveraging AI tools to accelerate delivery and improve code quality. Location: Phoenix, AZ Duration: 12 months Key Responsibilities Build and maintain full stack applications (backend + frontend) using Java and modern frameworks Develop RESTful APIs and GraphQL services for enterprise‑scale systems Design API‑first, microservices‑based architectures Work with large‑scale datasets and Big Data querying techniques Leverage GenAI tools (e.g., GitHub Copilot) to accelerate development and improve productivity Implement CI/CD pipelines for automated build, test, and deployment Develop reusable, modular components aligned with enterprise standards Ensure performance, scalability, and security across applications Collaborate with product, architecture, and QA teams to deliver high‑quality solutions Required Skills Java (Spring / Spring Boot) REST APIs & GraphQL GenAI / AI‑assisted development tools Big Data & NoSQL CI/CD (Jenkins, Docker, GitHub Actions) Apache Kafka / event‑driven architecture Preferred Qualifications Experience with React, Angular, or similar frontend frameworks Familiarity with reactive programming (Vert.x or similar) Experience in microservices and distributed systems Exposure to enterprise‑scale environments Prior American Express experience is a plus Benefits Work on cutting‑edge GenAI‑driven engineering initiatives Build scalable systems used across enterprise platforms Collaborate with high‑performing, cross‑functional teams Opportunity to influence modern engineering standards and practices Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required. CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws. CTG is an Equal Opportunity Employer. CTG will assure equal opportunity and consideration to all applicants and employees in recruitment, selection, placement, training, benefits, compensation, promotion, transfer, and release of individuals without regard to race, creed, religion, color, national origin, sex, sexual orientation, gender identity and gender expression, age, disability, marital or veteran status, citizenship status, or any other discriminatory factors as required by law. CTG is fully committed to promoting employment opportunities for members of protected classes. #J-18808-Ljbffr