Demo

Java Backend Developer

Apolis
Oxon Hill, MD Full Time
POSTED ON 6/17/2026
AVAILABLE BEFORE 7/15/2026

Title- Java Developer (backend)
Location- Oxon Hill, MD (National Harbor)- Hybrid (3 days on site and 2 Days Remote)
Contract- Contract to Perm Hire
IV Process- 1 Step Video interview (Panel style)

*Clearance: Must be eligible to obtain and maintain a Client Public Trust

Must Haves from Manager:
  • Backend-focused developer role supporting legacy Java applications.
  • The environment is expected to be centered around legacy Java technologies (Struts-based applications), with a focus on maintaining and supporting existing systems rather than building new applications from scratch.
  • Responsible for troubleshooting and resolving backend application issues i.e. business logic, APIs, integrations, and system processing layers.
  • Collaborating with broader engineering teams to support application stability and performance
  • Needs some database knowledge and ability to build and troubleshoot SQL queries, triggers, stored procedures.
  • Bachelors & 10 years or if have No Degree they need 16 years of experience.

Role Overview
Java Developer to support and develop solutions for a key government program with FEMA. The developer will be responsible for configuration management and updating design and architecture documentation. This role involves designing, developing, maintaining, and supporting enterprise applications using Java, Struts, and Webapp technologies.

Key Responsibilities
  • Develop, enhance, and maintain applications using Java.
  • Analyze business requirements and translate them into technical solutions.
  • Design and optimize SQL queries, stored procedures, and database structures.
  • Troubleshoot application issues, bugs, and performance bottlenecks.
  • Integrate applications with APIs, web services, and third-party systems.
  • Perform unit testing, system testing, and support for user acceptance testing (UAT).
  • Collaborate with cross-functional teams to ensure timely project delivery.
  • Maintain documentation, coding standards, and deployment procedures.
  • Support production environments and provide ongoing maintenance.
Education & Experience:
  • Bachelor’s degree and 10 years of experience developing applications (additional years experience may be substituted in lieu of a degree)
Technical Skills:
  • Knowledge of SQL and relational databases such as Microsoft SQL Server and Oracle Database.
  • Experience with object-oriented programming concepts.
  • Familiarity with source control tools such as Git.
  • Knowledge of REST/SOAP APIs and application integration.
  • Strong debugging, analytical, and problem-solving skills.
Communication Skills: Good verbal and written communication skills are required.

Preferred Qualifications
  • Experience migrating legacy Java/Struts/webapp applications to modern platforms.
  • Familiarity with Agile/Scrum methodologies.
  • Experience in government domains.
  • Exposure to Powerbuilder is a plus.
  • Knowledge of CI/CD pipelines.
  • Cloud deployment exposure.

 

Salary : $65 - $70

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