Senior Full Stack Software Developer

ASRC Federal Technology Solutions is seeking a highly skilled and experienced Senior Full Stack Software Developer which will provide expert-level engineering, architectural guidance, and technical leadership in the design, development, security, and deployment of enterprise-grade applications supporting our federal contact in Washington, DC. This role requires deep competency in .NET development, modern front-end frameworks, cloud-native architecture, and DevOps integration. The ideal candidate is an experienced hands-on developer capable of leading modernization efforts, mentoring development teams, and delivering scalable, secure, mission-aligned technical solutions. Work Location: Washington DC Clearance: Active Secret  Responsibilities Lead full lifecycle development using C#/.NET Core, ASP.NET, and modern full-stack technologies. Implement enhancements, perform code-level fixes, and provide advanced troubleshooting across the application stack. Architect secure, scalable cloud-native solutions on Azure, AWS or OCI. Lead modernization of legacy systems into cloud platforms, supporting microservices and containerized architectures. Develop and maintain RESTful APIs, reusable components, and modern UI frameworks such as React or Angular. Support complex integrations with internal and external systems. Collaborate with DevOps engineers to maintain and enhance CI/CD pipelines. Support deployment automation using Docker, Kubernetes, and related cloud-native tooling. Engage in sprint planning, backlog refinement, daily stand-ups, and retrospectives. Contribute to incremental delivery schedules and ensure successful execution of development tasks. Provide technical leadership to mid-level developers in a hybrid or multi-team environment. Mentor junior developers and drive adoption of engineering best practices and secure coding standards. Working closely with project managers, business analysts, and functional leads to ensure technical solutions aligning with operational and mission requirements. Communicate progress, challenges, and risks effectively to leadership and stakeholders. Conduct code reviews and enforce compliance with secure coding, performance optimization, and architectural guidelines. Promote continuous improvement and ensure technical solutions meet enterprise standards. Qualifications Bachelor’s degree in Computer Science, Software Engineering, or related field Relevant certifications such as Azure Developer Associate, AWS Developer, or Scrum/Agile certifications are advantageous. Technical Proficiency: Expert-level C#/.NET Core, ASP.NET MVC, and API development. Proficiency with React, Angular, or equivalent front-end frameworks. Strong knowledge of RESTful API design, microservices, and integration architecture. Hands-on experience with Azure, AWS or OCI cloud services and cloud-native technologies. Familiarity with Docker, Kubernetes, and container orchestration. Proficiency with relational and Oracle databases Strong analytical and problem-solving skills with the ability to resolve complex technical issues. Demonstrated experience leading or mentoring development teams. Excellent communication skills with the ability to interface effectively with both technical and non-technical stakeholders.