Senior Full Stack Developer

Lumen Dynamics is seeking a Senior Full Stack Developer to support a large federal healthcare technology program. In this role, you will design, develop, test, and maintain modern web applications, APIs, and supporting services across front-end, back-end, and data layers. You will work with architects, product leads, testers, and DevSecOps teams to deliver secure and scalable solutions. The candidate must reside within the continental US. Responsibilities: Design, build, enhance, and support full stack applications using modern front-end and back-end technologies. Develop APIs, user interfaces, business logic, and data access components that support platform workflows and integration needs. Collaborate with product, design, and architecture stakeholders to translate requirements into working software solutions. Participate in design reviews, code reviews, testing, troubleshooting, and release support activities. Optimize applications for performance, usability, accessibility, security, and maintainability. Build and maintain integrations with internal services, external systems, and shared platform capabilities. Support defect resolution, production support, and continuous improvement across the application lifecycle. Contribute to technical documentation, coding standards, and reusable development practices. Work within Agile delivery processes and partner with QA and DevSecOps teams to ensure release readiness. Mentor junior developers and contribute to team knowledge sharing. Requirements: A minimum of 8 years of software development experience, including front-end, back-end, and database work. Experience with modern JavaScript frameworks, HTML, CSS, and responsive web development. Experience with Java, Spring Boot, REST APIs, and enterprise application development. Strong understanding of SQL, relational databases, and application data modeling. Experience with version control, CI/CD pipelines, and modern software development practices. Ability to troubleshoot across UI, service, and data layers. Strong understanding of secure coding, web development best practices, and software quality principles. Experience working in Agile teams and participating in estimation, refinement, and review activities. Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent experience. Ability to obtain a Government clearance. Additional Qualifications: Experience with InterSystems IRIS, healthcare integrations, or enterprise interoperability platforms is a plus. Familiarity with React, Redux, Python, PostgreSQL, or containerized deployments is desirable. Experience working with Department of Veterans Affairs or federal healthcare programs is preferred. Relevant certifications in cloud, Agile, or software development are a plus. Experience supporting remote, multi-team delivery environments is preferred. Benefits: Medical/Dental/Vision 401k with Matching Corporate Laptop PTO + Federal Holidays Training opportunities Remote opportunity Note: Selected candidates will be required to complete fingerprinting at a government facility and undergo a background check as part of the hiring process. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or protected veteran status. Sorry, we are unable to offer sponsorship at this time.