Java Web Services Developer from Collabera

Job Description: Java Web Services Developer

Location: Onsite in Chicago, IL
Pay Range: $60 to $65/hr

Position Overview:
We are seeking an experienced Java Web Services Developer to join our dynamic team. The ideal candidate will have a strong background in developing enterprise-level applications, building web services, and working with front-end and back-end technologies. This role involves collaborating with cross-functional teams, contributing to all stages of the software development lifecycle, and ensuring the delivery of high-quality solutions.

Key Responsibilities:

• Analyze and refine requirements to develop effective solutions.


• Estimate development efforts and participate in sprint planning.


• Create proof-of-concepts to validate ideas and mitigate technical risks.


• Design, code, and unit test solutions per defined acceptance criteria.


• Develop and consume REST and SOAP web services.


• Collaborate with architects to ensure solutions align with organizational goals.


• Troubleshoot and resolve technical issues during development and deployment.


• Design and maintain CI/CD pipelines and automate release activities.


• Ensure compliance with application security standards and best practices.

Must Haves:

• 5+ years of hands-on experience in Java development (JDK 8+ and Spring framework).


• Strong expertise in web services (REST & SOAP).


• Proficiency in front-end technologies: HTML5, CSS, JavaScript, ReactJS.


• Advanced knowledge of Oracle RDBMS and PL/SQL.


• Experience with DevOps tools: Git, Maven, Jenkins, JIRA.


• Familiarity with application deployment in Linux environments.


• Solid understanding of application security concepts, including OAuth, OIDC, and FIDO protocols.


• Knowledge of cryptographic and PKI concepts.


• Strong problem-solving skills and the ability to work independently.


• Excellent communication and collaboration skills.

Preferred Qualifications:

• Experience with LDAP integration.


• Familiarity with load balancing, TLS, and system architecture concepts.


• Development experience in OAuth, OIDC, or FIDO protocols.