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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Full Stack Developer - **Company:** NFF Inc - **Location:** Alexandria, VA, United States - **Experience:** Expert - **Salary:** $125,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Application Integration Architecture, Application Lifecycle Management, Software Applications, Application Performance Management, Application Testing, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Software Documentation, Information Systems, Computer Programming, Relational Databases, Database Queries, Database Schema, Software Debugging, Electronic Data Interchange (EDI), Revision Control Systems, Systems Analysis, Python (Programming Language), Performance Tuning, Scrum Methodology, Software Maintenance, Systems Development Life Cycle, Standard Sql, Software Engineering, Software Systems, SQL Stored Procedures, System Testing, Systems Integration, Web Applications, Web Services, Data Server Interface, Enterprise Software Applications, Git, Integration Tests, Information Technology, Graphql, Devsecops, Programming Languages - **Published:** October 15, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=b154bb25a4d1cf25 ## About the Role * 8 years of professional experience in application development, systems analysis, software programming, application maintenance, or related IT disciplines. * 5 years of experience developing, modifying, testing, implementing, and supporting enterprise software applications. * 8 years of experience analyzing business and technical requirements and translating them into effective software solutions. * 8 years of experience troubleshooting and resolving software defects, application issues, and system performance problems. * 8 years of experience creating and maintaining technical documentation, workflow diagrams, system specifications, and user support materials. * 8 years of experience working with software development lifecycle (SDLC) methodologies, including requirements analysis, design, development, testing, deployment, and maintenance. * 8 years of experience with one or more programming languages, such as Java, C#, .NET, Python, JavaScript, or equivalent modern development technologies. * 8 years of experience developing and supporting web-based and enterprise applications. * 5 years of experience working with SQL and relational database management systems. * 5 years of experience developing, supporting, or integrating APIs, web services, and system interfaces. * 5 years of experience using source code repositories and version control tools, such as Git or similar technologies. * 5 years of experience performing application testing, debugging, issue resolution, and performance optimization. * 5 years of experience implementing and supporting secure application development practices. * A bachelor's degree in computer science, information technology, information systems, engineering, or a related discipline., * 3 years of experience supporting transit, transportation, public sector, or government organizations. * 3 years of experience supporting applications that utilize GraphQL, OpenTripPlanner (OTP), General Transit Feed Specification (GTFS), GTFS-Realtime (GTFS-RT), and related transit technologies. * 5 years of experience working in Agile, Scrum, DevSecOps, or continuous integration and continuous delivery (CI/CD) environments. * 5 years of experience working with Microsoft Azure cloud technologies. * 5 years of experience supporting application modernization, systems integration, and enterprise technology initiatives. * Industry certifications related to software development, cloud technologies, Agile methodologies, or system administration. ## Description * Analyze business, functional, and technical requirements to develop and implement software solutions that support operational and customer communication objectives. * Review project specifications, workflow diagrams, process flows, and system documentation to determine application requirements and technical approaches. * Design, develop, modify, test, implement, and maintain software applications, interfaces, integrations, and supporting system components. * Convert business and technical requirements into computer programs, application code, scripts, database objects, and automated processes. * Develop and maintain APIs, data interfaces, integrations, and data exchange processes supporting MetroAlerts and related systems. * Create, modify, and optimize database queries, stored procedures, and data models to support application functionality and performance. * Perform unit testing, integration testing, system testing, and user acceptance support activities to validate software functionality and performance. * Troubleshoot, analyze, and resolve software defects, application malfunctions, integration issues, and production incidents. * Monitor application performance and recommend or implement improvements to enhance reliability, scalability, and maintainability. * Support software releases, upgrades, patches, deployments, and application lifecycle management activities. * Develop and maintain technical documentation, system specifications, workflow diagrams, operating procedures, and user support materials. * Collaborate with WMATA business stakeholders, project managers, business analysts, architects, developers, system administrators, and operational personnel throughout the software development lifecycle. * Participate in Agile, Scrum, DevSecOps, and continuous improvement activities as directed by WMATA. * Ensure compliance with WMATA cybersecurity requirements, technology standards, development practices, and governance policies. * Provide production support and technical assistance for MetroAlerts and related applications. * Support application modernization initiatives, technology upgrades, and system enhancement efforts. * Conduct knowledge transfer sessions and provide documentation necessary to support operational continuity and long-term system maintenance. * Prepare status updates, technical reports, analyses, and recommendations as requested by WMATA management. * Coordinate and collaborate with other technical resources to support project objectives and operational requirements. * Perform other related technical duties necessary to support the successful operation, maintenance, enhancement, and modernization of the MetroAlerts platform and associated systems. *