Spring Boot Developer - 2 Openings

For further inquiries regarding the following opportunity, please contact our Talent Specialist, Vijay Raj Jayachandran at (630) 847-1776 0r Saravanakumar at (224) 507-1183

Title : Spring Boot Developer - 2 Openings

Duration : 6 Months

Location : Springfield, IL

Only W2 candidates are eligible for this position. Third-party or C2C candidates will not be considered.

Overview :

Seeking 2 Spring Boot developers for securing and refactoring data for existing web applications through the design, development, and deployment of secure data APIs. These APIs will enable reliable and encrypted data connections and transmissions between systems. The primary objective is to ensure data integrity, confidentiality, and availability, while supporting seamless integration across platforms. This modernization effort will enhance system interoperability, improve the security posture, and support future scalability.

The following deliverables are expected as part of this engagement :

Secure RESTful APIs Designed and developed to meet business and security requirements

API Documentation Including endpoint definitions, request / response formats, and usage guidelines

Security and Test Reports Covering authentication, authorization, encryption, and validation testing

Deployment and Configuration Guides For consistent and secure implementation across environments

Final Project Report and Handover Summarizing outcomes, decisions, and next steps

Responsibilities :

• Backend Developer working on data transformation or integration projects.
• Strong proficiency in SQL and experience with major relational databases (SQL Server, Oracle, or PostgreSQL).
• Experience in data refactoring, migration, and optimization for web applications.
• Hands-on experience in designing, developing, and deploying RESTful APIs.
• Proficiency in one or more API development frameworks : Java (Spring Boot), Python (FastAPI / Flask), or Node.js (Express). - 5 years
• Solid understanding of API security standards and practices, including :

Authentication (OAuth 2.0, OpenID Connect, JWT)

About us :

DivIHN , the 'IT Asset Performance Services' organization, provides Professional Consulting, Custom Projects, and Professional Resource Augmentation services to clients in the Mid-West and beyond. The strategic characteristics of the organization are Standardization, Specialization, and Collaboration.

DivIHN is an equal opportunity employer. DivIHN does not and shall not discriminate against any employee or qualified applicant on the basis of race, color, religion (creed), gender, gender expression, age, national origin (ancestry), disability, marital status, sexual orientation, or military status.