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Atlanta, GA
Posted · 29.09.2026
LinkedIn Jobs US

# Senior Full-Stack Software Engineer

Now100

Senior Full-Stack Software Engineer Type – Full Time Location: Atlanta, GA Position Summary Certified Technical Experts, Inc. (CTE) is seeking an experienced Senior Full-Stack Software Engineer to design, develop, test, and maintain modern full-stack capabilities for mission-critical Federal public health applications. The Senior Full-Stack Software Engineer works across backend services, web interfaces, APIs, data access, and integrations while contributing to secure, maintainable, and automated software delivery. Key Responsibilities
• Design and implement full-stack application features using modern backend and front-end technologies.
• Develop and maintain Java and Spring Boot services, REST APIs, web interfaces, and data-access components.
• Collaborate with Product Managers, UX specialists, analysts, QA engineers, DevSecOps engineers, and architects to deliver complete features.
• Write clean, maintainable, testable, and secure code and participate actively in peer reviews.
• Develop automated unit, integration, and API tests and support broader end-to-end testing.
• Troubleshoot application defects, performance issues, integration problems, and production support escalations.
• Contribute to modernization and refactoring of existing application components.
• Support CI/CD pipelines, containerized deployments, release readiness, and operational documentation.
• Apply secure coding, accessibility-aware development, logging, and observability practices.
• Mentor less-experienced developers and contribute to engineering standards and knowledge sharing. Required Qualifications
• 8+ years of professional full-stack software development experience.
• Strong experience with Java, Spring Boot, REST APIs, SQL, and modern front-end development using TypeScript/React or comparable frameworks.
• Experience developing and integrating APIs in enterprise environments.
• Experience with automated testing, source control, code review, and CI/CD practices.
• Working knowledge of cloud platforms, containers, and modern application deployment patterns.
• Ability to diagnose complex software defects and performance issues.
• Understanding of secure coding and software quality practices.
• Strong collaboration, documentation, and communication skills. Education Required: Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field. Preferred: Master's degree in Computer Science or a related technical discipline. Target Certifications
• AWS Developer Associate or Microsoft Azure Developer Associate Equivalent or advanced certifications may be considered where appropriate based on the candidate’s experience and the needs of the position. Preferred Experience
• Federal health IT or public health application experience.
• Experience supporting NBS or comparable mission-critical enterprise applications.
• Experience with FHIR or health-related APIs.
• Experience with Kubernetes, Docker, GitHub Actions, and automated security/quality scanning.
• Experience with accessibility-aware front-end development. Work Authorization and Federal Suitability
• Must be legally authorized to work in the United States.
• Must be able to successfully complete the applicable Government background investigation.
• Must be eligible to obtain and maintain required Federal credentials and information-system access.
• Must comply with applicable Federal security, privacy, confidentiality, and acceptable-use requirements.

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