ECS is seeking a Full Stack Developer to work with data scientists and analysts to rapidly design, implement, test, and deploy applications and cloud-based platforms capable to tackling complex analytical tasks using large datasets. This position works for the US Postal Services' Inspector General's Office (OIG) at our Arlington, VA office. Please Note: This position is contingent upon additional funding and requires a Public Trust background investigation. This entails an in-depth background check & either US Citizenship or Permanent Resident (Green Card) status. Responsibilities include: - Work with data scientists and analysts to rapidly design, implement, test, and deploy applications capable to tackling complex analytical tasks using large datasets - Communicate with end users, team lead, and team members to create and support new products and features - Communicate with product users to enhance or troubleshoot products - Design client-side and server-side architecture - Build the front-end of applications through appealing visual design - Write effective APIs - Build features and applications with a responsive design - Write technical documentation and support data governance strategy - Function in an Agile based team environment Note: This position requires working onsite 4 days a week at out USPS customer site in Arlington, VA. Salary Range: $100,000 - $120,000 annually [General Description of Benefits](https://ecstech.com/careers/benefits) - Professional certification(s) in a related field of web development and/or front-end/back-end disciplines - Degree in Computer Science, Web Development, or relevant field - 3+ years of JavaScript development experience (client-side and server-side) - 5+ years of experience with full stack development - 5+ years of experience and skill writing coding languages (e.g. Python, JavaScript, SQL, C#) - Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, Typescript, jQuery) - Knowledge of front-end frameworks (e.g. Angular, React, Node.js) - Knowledge of multiple back-end languages (e.g. Python/C#) and backend frameworks (e.g. Flask, Django) - Familiarity with databases (e.g. MySQL, Teradata), web servers (e.g. Apache) and UI/UX design - Experience in designing and integrating different API architectures (e.g. REST, gRPC) - Server management and deployment for the relevant environments (e.g. Azure, AWS) - Knowledge of message brokers (e.g. Kafka, EventHub), version control (e.g. Azure DevOps, GitHub) and Websockets - Knowledge of architectural patterns (e.g. Monolith, Microservices, Serverless, Service Mesh)