For further inquiries regarding the following opportunity, please contact our Talent Specialist, Vijay Raj Jayachandran at 0r Saravanakumar at
Title: Spring Boot Developer - 2 Openings (Hybrid)
Duration: 6 Months
Location: Springfield, IL
Only W2 candidates are eligible for this position. Third-party or C2C candidates will not be considered.
Bi-weekly, one day onsite in Springfield, IL (Candidate will have to cover the expenses)
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)
- Authorization (role-based access control)
- Encryption (TLS/SSL, data at rest and in transit)
- Experience working with JSON, XML, and data serialization formats.
- Familiarity with secure coding practices, input validation, and error handling.
- Experience with version control systems (Git) and CI/CD pipelines (Azure DevOps, GitHub Actions, or Jenkins).
- Exposure to cloud environments (Azure, AWS, or Google Cloud Platform) for deployment and data integration.
- Strong analytical and problem-solving skills, with the ability to troubleshoot complex data and API issues.
- Excellent documentation and communication skills for technical reports, API specifications, and deployment guides
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