ECS is seeking a Senior Software Engineer – Front End UI/UX Developer to join our team of technical experts supporting the U.S. Department of Homeland Security (DHS) Headquarters, Chief Technology Officer Directorate (CTOD), Artificial Intelligence and Emerging Technology (AI/ET) initiative. This team works with a federal workforce staff of technical experts for high-visibility, department-wide AI initiatives. The ideal candidate is a strong individual contributor with continuous, hands-on coding experience, spending approximately 80% of their time writing code and will excel with current experience developing innovative software solutions as part of a technically diverse and geographically disbursed team. They have a proven track record in building and deploying modern web applications. Significant professional Full-Stack development experience with expertise in multiple programming languages, proficiency with cloud services (Azure and AWS with Azure preferred), expertise in Python for back-end development, experience with front-end frameworks such as React and CSS, strong experience in API development and management, and a comprehensive knowledge of both SQL and NoSQL databases. Competitive candidates will have substantial experience in working in agile, collaborative engineering teams using modern engineering tools.