Sr. Java Developer | Remote | 6+ Months

We are seeking a highly experienced Sr. Java Developer with over 10 years of expertise in web application development, backend services, and UI frameworks. The ideal candidate will have strong proficiency in Java/J2EE, Spring Boot, Oracle, and modern JavaScript frameworks (Vue.js/React), along with hands-on experience in Microsoft AD B2C and OpenID/SSO integrations. This role requires excellent communication skills, the ability to work independently or in a team, and a proven track record of delivering secure, scalable, and high-quality applications., + Develop and maintain web applications using Java/J2EE and Spring Boot.

• Design and implement secure authentication and SSO solutions using Microsoft AD B2C and OpenID.
• Build responsive UIs with Vue.js or React.
• Work with Oracle databases, including SQL and stored procedures.
• Develop and consume SOAP and RESTful web services.
• Ensure cross-browser compatibility and adherence to security principles.
• Conduct code reviews, troubleshoot issues, and optimize performance.
• Collaborate with cross-functional teams and communicate effectively.
• Utilize Git/Bitbucket for version control and Jira for project tracking.

• 10+ years of web application development experience with Java.
• 10+ years working with web services (SOAP, RESTful).
• 10+ years of UI development experience (JSP, jQuery, Vue/Angular/React).
• 10+ years working with Oracle databases.
• 5+ years working with Spring framework. (Overall 13 years required)
• Strong knowledge of OOP and security principles.
• Experience with Git/Bitbucket and Jira.
• Excellent verbal and written communication skills.

• Ability to work independently and in team environments. Mandatory Skills

• Java/J2EE, JSP, Spring Boot, Oracle
• Microsoft AD B2C, OpenID/SSO
• Vue.js / React

Featured in CNBC, Digital Journal, Fox News, and CIO Review, GBSI is a globally recognized IT services leader with 20+ years serving Fortune 500 organizations. Our teams deliver solutions across automotive, manufacturing, retail, and pharmaceutical industries. Headquartered in Moline, IL, GBSI supports clients and consultants throughout the US, Canada, Europe, and India.