Senior Java API Developer - UI

Senior Java API Developer - UI

We are seeking an experienced Java UI Developer to design, develop, and deliver engaging, scalable, and high-performance user interfaces. The ideal candidate will have strong expertise in frontend technologies, UI frameworks, and integration with Java-based backend services. This role requires strong hands-on UI development skills, attention to user experience, and the ability to work closely with backend engineers and product teams to deliver seamless end-to-end solutions. The candidate will collaborate with cross-functional teams, ensure adherence to UI/UX best practices, and contribute to the overall quality and performance of web applications. This position is located at our client site in Cleveland, OH, Pittsburgh, PA, or Dallas, TX.

Future Duties and Responsibilities:

• Responsible for delivering high-quality UI components and frontend solutions.
• Design and develop responsive web interfaces using modern UI frameworks.
• Provide innovative UI solutions to improve user experience and application usability.
• Collaborate closely with backend teams to integrate APIs and services.
• Ensure adherence to UI/UX best practices, accessibility, and performance standards.
• Work in an Agile environment and adapt to evolving business requirements.
• Participate in code reviews and enforce frontend coding standards.
• Troubleshoot and resolve UI issues, ensuring smooth and consistent performance.
• Work closely with product owners, designers, and other stakeholders.
• Develop reusable components and contribute to UI architecture and design systems.
• Ensure applications are cross-browser compatible and mobile-friendly.
• Support testing efforts and ensure proper UI validation and automation coverage.

Required Qualifications:

• 5+ years of experience in UI development with strong JavaScript expertise.
• Experience with modern frontend frameworks such as Angular (2+), React.js, or Vue.js.
• Strong knowledge of HTML5, CSS3, JavaScript, and TypeScript.
• Experience integrating UI with Java/Spring Boot-based REST APIs.
• Familiarity with state management libraries (Redux, NgRx, etc.).
• Experience with responsive design and cross-browser compatibility.
• Knowledge of UI performance optimization techniques.
• Experience with version control tools (Git, Bitbucket, GitHub).
• Familiarity with build tools such as Webpack, npm, or Maven.
• Experience working in Agile/Scrum development environments.
• Knowledge of web security best practices (XSS, CSRF prevention).
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration skills.

Skills:

• Angular
• React JavaScript
• RESTful (Rest-APIs)

What you can expect from us:

Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team—one of the largest IT and business consulting services firms in the world.