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AMERICAN SYSTEMS

Application Developer II

AMERICAN SYSTEMS

. You will be responsible for the development, enhancement, maintenance, and modernization of enterprise applications within a Java-based technology stack.

Posted 4/7/2026full-timePhoenix • Arizona • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
AWSCloudCyber SecurityJavaOraclePostgresSpring BootSpringBootSQL

About the role

Key responsibilities & impact
  • You will be responsible for the development, enhancement, maintenance, and modernization of enterprise applications within a Java-based technology stack.
  • You will support full lifecycle application delivery, including requirements analysis, secure design, development, testing, database optimization, and cloud migration efforts.
  • Design, develop, test, and maintain enterprise applications within a Java / SQL / Kendo UI / SpringBoot environment to support business and operational systems.
  • Develop and maintain RESTful services and responsive user interfaces that integrate with enterprise systems and databases.
  • Manage and optimize databases in Oracle and PostgreSQL, including schema updates, indexing, query tuning, and performance analysis.
  • Troubleshoot and resolve application and database issues to ensure high availability and reliability of mission-critical systems.
  • Implement secure authentication and authorization mechanisms using OAuth2 protocols and ensuring compliance with federal cybersecurity standards.
  • Apply secure coding practices and remediate vulnerabilities identified through security assessments.
  • Collaborate with customers and stakeholders to gather requirements, support solution design, and translate business needs into technical solutions.
  • Participate in Agile development processes, including daily Scrum, sprint planning, reviews, and retrospectives.
  • Support enterprise modernization initiatives by partnering with Enterprise Architecture to migrate and refactor applications for AWS cloud environments.

Requirements

What you’ll need
  • Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
  • 3–7 years of experience in application development.
  • Demonstrated experience with Java development, SQL development, SpringBoot, Kendo UI or similar front-end framework, Oracle and PostgreSQL database environments, OAuth2 security implementation, Agile development methodologies.
  • Experience supporting or participating in cloud migration initiatives to AWS.
  • Ability to participate in on-call support rotation and respond to operational incidents as required.
  • Must be able to present acceptable identification for customer badging and site access.

Benefits

Comp & perks
  • AMERICAN SYSTEMS offers a comprehensive benefits package to ensure our employees receive the work-life support they need.
  • Veteran Outreach AMERICAN SYSTEMS has a longstanding reputation as a veteran-friendly employer of choice.
  • AMERICAN SYSTEMS’ employment practices adhere to legal and regulatory standards to promote a fair and transparent workplace.
  • We are committed to providing reasonable accommodations to individuals with disabilities in accordance with applicable state and federal laws.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
JavaSQLKendo UISpringBootRESTful servicesOraclePostgreSQLOAuth2Agile developmentcloud migration
Soft Skills
collaborationrequirements analysisproblem-solvingcommunicationcustomer engagementteamworkadaptabilityattention to detailcritical thinkingtime management
Certifications
Bachelor’s degree in Computer ScienceBachelor’s degree in Information Technology