Java Developer - Cincinnati, OH - Onsite

WHO WE ARE:Founded in 2007, DTI (Diversified Technology, Inc.) is a successful African American owned IT Consulting/Staffing firm based in Chicago's Loop.WHAT WE DO:We focus on providing delivery, staffing, and supported services such as enterprise integration/implementations including, but not limited to, CRM, EAM, ERP, PMO, and QA. We service clients in SLED (state/local gov't & education), financial services, fortune, public utility, as well as regularly partnering with Big 4 SI partners. Job Title: Java Developer (Spring Boot / REST APIs) Job ID: DLTJP00053214Location: Cincinnati, OH (Onsite)Work Address: 505 Vine Street, Cincinnati, OHDuration: 03/09/2026 – 08/16/2026Employment Type: Contract Job Summary We are seeking an experienced Java Developer to design, develop, and maintain high-performance, scalable backend services. This role requires strong expertise in Java, Spring Boot, and REST API development, along with hands-on experience in production-grade systems. Key Responsibilities Design, develop, and maintain Java-based applications and services Build and enhance RESTful APIs with proper versioning and documentation Work with cross-functional teams to gather requirements and deliver solutions Perform unit testing, debugging, and code reviews Ensure application performance, scalability, and security Provide technical leadership, mentoring, and architectural guidance Stay updated with modern Java frameworks and best practices Required Skills Java (6–9 years experience) Strong experience with Spring Boot / Spring Framework Hands-on expertise in Spring Security (authentication & authorization) Experience designing and developing REST APIs Strong debugging and troubleshooting skills in production environments Key Competencies API design best practices (versioning, backward compatibility, documentation) Secure-by-design development approach Strong problem-solving and analytical skills Ability to lead technical discussions and drive decisions Nice to Have Experience with microservices architecture Exposure to cloud platforms (AWS/Azure) CI/CD and DevOps practices Ideal Candidate Profile Strong backend engineer with hands-on coding + leadership experience Experience working on enterprise-level applications Ability to mentor team members and review code quality Please click on the link below for our company benefitshttps://docs.google.com/document/d/1q2mHf0U1akaC1ZKC65-VyyG3FrKBGNCahx3WpS2mj7M/edit?usp=sharingDTI is an Equal Opportunity Employer. We do not discriminate based on race, color, religion, sex, gender identity, sexual orientation, national origin, ancestry, age, disability, marital status, veteran status, or any other protected characteristic under Illinois state or federal law. All qualified applicants are encouraged to apply, and employment decisions are based solely on merit, qualifications, and business needs.