Full-Stack Engineer

At Aretec, Inc., we are catalysts for change within the federal government landscape. Specializing in advanced analytics, machine learning, data analysis, cybersecurity, and business optimization, we empower federal agencies to achieve their most critical missions. As a premier partner and prime vendor, we deliver innovative, high-impact solutions that address complex challenges and drive national progress. Our commitment to excellence and innovation positions us at the forefront of transforming governmental operations, enhancing efficiency, and making a lasting difference in the lives of citizens.

You are a thoughtful, collaborative technology professional who turns complex challenges into practical, secure, and maintainable solutions. You work comfortably with engineers, product stakeholders, and federal partners; communicate clearly; and balance delivery speed with quality, traceability, and responsible use of AI. You are energized by mission-driven work and eager to contribute within an established team that values sound judgment and continuous improvement.

Aretec is seeking a Full-Stack Engineer to create intuitive the client's Greenfield AI Solution experiences within the the client's enterprise search platform platform. You will build React interfaces, backend APIs, reports, session and authentication integrations, citations, and user workflows while solving issues across the application stack.

• Develop responsive, accessible React interfaces for the client's Greenfield AI Solution capabilities within the the client's enterprise search platform platform.
• Build and integrate backend APIs that support reports, sessions, authentication, user workflows, and application state.
• Create clear experiences for summaries, findings, supporting citations, and navigation back to source documents.
• Design data-heavy interfaces that help users review results without obscuring uncertainty or source provenance.
• Collaborate with AI/backend and data engineers on API contracts, error handling, performance, and integration testing.
• Reuse appropriate the client's enterprise search platform and enterprise-data-platform capabilities instead of duplicating existing functionality.
• Troubleshoot and resolve issues across frontend, backend, authentication, and integration layers.
• Participate in code reviews, automated testing, technical documentation, and iterative user-feedback cycles.

• Experience integrating user interfaces with RESTful backend APIs.
• Ability to contribute to Python or comparable backend services when needed.
• Experience building data-heavy web applications, reports, or workflow-driven interfaces.
• Understanding of responsive design, accessibility, session management, and authentication integration.
• Strong debugging, testing, problem-solving, and cross-functional communication skills.
• Ability to work flexibly across the application stack within an established product team.

• Experience presenting citations, provenance, or linked source material in an application.
• Familiarity with Python web frameworks such as FastAPI.
• Experience with data grids, document viewers, reporting interfaces, or spreadsheet-like components.
• Experience supporting federal, regulated, or security-conscious applications.

• Learn Aretec's mission, the client's Greenfield AI Solution workflows, the client's enterprise search platform design patterns, existing APIs, and the source-reference capabilities available through the enterprise-data-platform.
• Set up the development environment and build relationships across the integrated the client's enterprise search platform team.

• Contribute to priority React and API work, including an initial user workflow or interface enhancement.
• Add appropriate frontend and integration tests.

• Own a substantial UI-to-API workflow, including session, reporting, citation, or authentication behavior.
• Use stakeholder feedback to improve usability, accessibility, performance, and source transparency.

• Take full ownership of key the client's Greenfield AI…