Overview
Skills
Job Details
Software Engineer (React/Python)
Constellation seeks a Software Engineer to join our Homeland Security Team in Washington, DC. This role requires a strong front-end development background using React, along with hands-on Python experience for building data pipelines and automation workflows. The ideal candidate will help develop user-facing applications integrated with backend ETL processes that support operational reporting, data collection, and intelligent automation. This position involves close collaboration with analysts, engineers, and stakeholders to deliver mission-driven capabilities across multiple workstreams.
Key Responsibilities:
- Design, develop, and maintain modern web applications using React that integrate with backend data automation workflows.
- Build and support Python-based ETL pipelines to extract, transform, and load data into the enterprise reporting platform.
- Collaborate with automation engineers, analysts, and cloud engineers to design intuitive, data-driven user interfaces.
- Integrate frontend components with APIs and automation services built using tools such as Apache Airflow and Databricks.
- Participate in sprint planning and technical discussions to refine system designs and requirements.
- Ensure data accuracy, performance, and maintainability across frontend and backend components.
The ideal candidate must have the following experience, background, and credentials:
- At least 4 years of experience in front-end development using React and hands-on experience using Redux for state management in production React applications
- At least 2 years of experience developing Python scripts for automation or ETL workflows, including usage and familiarity with Pandas
- Strong experience developing front-end applications using HTML, TypeScript, and CSS with a focus on responsive design and modern UI/UX
- Strong understanding of RESTful APIs, React component design and common component libraries, and secure web development practices
- Proficiency in writing unit tests using frameworks such as Jest
- Experience working in a collaborative code environment and familiarity with Git, CI/CD pipelines, and modern development workflows
- Bachelor s degree in Computer Science, Software Engineering, or a related field
- able to pass a background investigation by the client agency. DHS clearance with CBP/ICE or DoD Top-Secret preferred
NOTE: Only U.S.citizens are eligible to apply, Candidates with Active clearance will be preferred.