Senior Full Stack Developer (React & Python)

Job description: Senior Full Stack Developer

Constellation seeks a Senior Full Stack Developer to join our Homeland Security Team. 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 5 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 respons