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Full Stack Engineer

CMS
Full Timemid
Riverdale Park, Maryland, USPosted March 3, 2026

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PythonJavaScriptJavaPostgreSQLMySQLMongoDB

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Job Description

Summary

This position is located in the Department of Health & Human Services (HHS), Centers for Medicare & Medicaid Services (CMS), Office of Information Technology (OIT).

As a IT Specialist (APPSW/DATAMGT) referred to here as a Full Stack Engineer, GS-2210-09/11/12, you will provide technical and user support and consultation while contributing to analytical reporting efforts.

Duties

Help

  • Develop and maintain user interfaces using standard web technologies including HTML5, CSS3, and JavaScript.
  • Support the development of APis and database integration. Implements established coding practices and security protocols and analyzes and implements modifications to existing software applications based on established requirements.
  • Manage database systems including MySQL, PostgreSQL, and MongoDB to optimize query performance, and engineers data integration strategies to ensure system scalability and integrity
  • Support project management activities by tracking project milestones, maintaining project documentation, and coordinating with team members. Assists with resource planning and timeline development.

Requirements

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Conditions of employment

  • You must be a U.S. Citizen or National to apply for this position.
  • You will be subject to a background and suitability investigation.

Qualifications

ALL QUALIFICATION REQUIREMENTS MUST BE MET BY THE CLOSING DATE OF THIS ANNOUNCEMENT.

Your resume (limited to no more than 2 pages) must include detailed information as it relates to the responsibilities and specialized experience for this position. Evidence of copying and pasting directly from the vacancy announcement without clearly documenting supplemental information to describe your experience will result in an ineligible rating. This will prevent you from being considered further.

In order to qualify for the GS-09, you must meet the IT Competencies below AND the following: You must demonstrate in your resume at least one year (52 weeks) of qualifying specialized experience equivalent to the GS-07 grade level in the Federal government, obtained in either the private or public sector, to include:

  • Developing software code using programming languages to create basic applications or automate processes.
  • Writing database queries to retrieve data or perform database maintenance tasks.
  • Supporting system integrations between applications using APIs or file transfers.

See Education Field for substitutions available at the GS-09 Level.

In order to qualify for the GS-11, you must meet the IT Competencies below AND the following: You must demonstrate in your resume at least one year (52 weeks) of qualifying specialized experience equivalent to the GS-09 grade level in the Federal government, obtained in either the private or public sector), to include:

  • Developing software applications using programming languages such as Java, Python, .NET, or JavaScript to support business operations.
  • Designing Application Programming Interfaces (APIs) to enable data exchange between applications, databases, or external systems.
  • Designing database queries and data models to support application functionality and data storage requirements.
  • Participating in software development lifecycle activities including requirements gathering, design, coding, testing, and deployment.

See Education Field for substitutions available at the GS-11 Level.

In order to qualify for the GS-12, you must meet the IT Competencies below AND the following: You must demonstrate in your resume at least one year (52 weeks) of qualifying specialized experience equivalent to the GS-11 grade level in the Federal government, obtained in either the private or public sector, to include:

  • Designing and developed Application Programming Interfaces (APIs) to enable secure data access for developers and business partners.
  • Designing and developed software applications and system integrations using modern programming languages to support data management and business process automation.
  • Collaborating with cross-functional teams to gather requirements, design technical solutions, and deliver software applications that meet business needs.

AND

IT-related Competencies for Experience Only Qualifications:

  • Attention to Detail - Is thorough when performing work and conscientious about attending to detail.
  • Customer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; knows about available products and services; is committed to providing quality products and services.
  • Oral Communication - Expresses information (for example, ideas or facts) to individuals or groups effectively, taking into account the audience and nature of the information

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