Senior Full Stack Engineer

**Pay:** $120,000\.00 \- $140,000\.00 per year **Job description: Senior Full Stack Engineer** Constellation seeks a Senior Full Stack Engineer 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 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 * Be a U.S. citizen able to pass a background investigation by the client agency. DHS clearance with CBP/ICE or DoD Top\-Secret preferred **Job Type:** Full\-time **Work Location**: Remote **Benefits:** * 401(k) * 401(k) matching * Dental insurance * Disability insurance * Flexible schedule * Flexible spending account * Health insurance * Life insurance * Professional development assistance * Vision insurance DzeivX9VYZ