International Logic Systems, Inc. · 11 hours ago
Senior Java Developer (Microservices) – Backup WebLogic Administrator
Fairfax, VA
Full-time
Hybrid
Senior Level, Lead/Staff
10+ years expInternational Logic Systems (ILS) is seeking a Senior Java Developer with strong experience in building microservices/webservices for enterprise applications. This role focuses on Java application development while also providing backup support for WebLogic administration activities as needed.
Artificial Intelligence (AI)Business IntelligenceCloud ComputingE-CommerceLogistics
Responsibilities
Design, develop, and enhance Java-based microservices and RESTful web services using modern Java technologies and design patterns
Implement secure service integrations using OAuth 2.0 and related authentication/authorization mechanisms
Develop and optimize data access layers using Informatica MDM, Oracle Database, and PL/SQL
Analyze functional and technical requirements and translate them into high-quality, maintainable software solutions
Apply appropriate architectural and design patterns to ensure scalability, performance, and maintainability
Perform unit testing, integration testing, debugging, and performance tuning
Prepare and maintain technical documentation, including design specifications and operational notes
Collaborate with architects, business analysts, QA, and DevOps teams throughout the SDLC
Provide technical leadership and guidance to junior developers as needed
Participate in projects using the Waterfall methodology while supporting the organization’s transition toward Agile practices
Provide backup administration support for WebLogic Server in the absence of the primary WebLogic Administrator
Assist with WebLogic installation, configuration, patching, and environment updates
Troubleshoot and resolve WebLogic-related production and non-production issues
Support deployment, configuration validation, and runtime monitoring of Java applications
Work with infrastructure and security teams to support application stability and compliance
Assist with planning and execution of the future transition from WebLogic to IBM WebSphere Liberty
Qualification
Required
10+ years of professional experience in Java application development
At least 3 years of hands-on WebLogic administration experience, including installation, configuration, and troubleshooting
Strong experience with Java / J2EE
Strong experience with Microservices and REST API development
Strong experience with Oracle Database and PL/SQL
Strong experience with OAuth 2.0 and secure service design
Practical knowledge of middleware platforms such as Oracle WebLogic (required) and IBM WebSphere / Liberty (preferred or willingness to learn)
Experience working in large-scale, enterprise, or Federal application environments
Ability to work independently with minimal supervision while collaborating effectively with cross-functional teams
Strong analytical, troubleshooting, and documentation skills
Preferred
Experience with IBM WebSphere Liberty or other lightweight Java application servers
Familiarity with CI/CD pipelines and DevOps practices
Experience with Agile or hybrid Agile/Waterfall delivery models
Prior experience supporting mission-critical or regulated systems (Federal, financial, healthcare, etc.)
Company
International Logic Systems, Inc.
International Logic Systems, Inc. (ILS), provides integrated services and flexible solutions to federal agencies and private institutions.
51-200 employees
H1B Sponsorship
International Logic Systems, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
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Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (3)
2023 (2)
2021 (1)
Funding
Current Stage
Growth StageCompany data provided by crunchbase