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

Why Join:

• 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 does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

To Apply:
To be considered, please apply directly to this requisition using the link provided. For additional information, please contact Rebecca Olan at View email address on click.appcast.io . Kindly forward this to any other interested parties. Thank you!


About CTG

CTG, a Cegeka company, delivers IT and business solutions that enhance clients' digital agility, empowering them to seize new opportunities and overcome any challenge. Backed by more than 60 years' experience and a commitment to being a reliable, results-driven partner, we work shoulder to shoulder with clients to shape digital together. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. With more than 9,000 team members in over 15 countries, we combine global expertise with local insight to deliver innovative solutions. We operate across the Americas, Europe, and India, working with over 3,000 clients in many of today's highest-growth industries.


Together, we shape what's next-working shoulder to shoulder to deliver impactful solutions for our clients and society. Our culture is built by the people who work at CTG, the values we hold, and the actions we take. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. At CTG, you'll find a workplace where you are encouraged to grow, supported in your ambitions, and empowered to shape your own career journey. For more information, visit

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.