Lead Application Developer

Onyx Government Services,LLC • Suitland, MD

1d

About The Position

We are seeking a Subject Matter Expert (SME)–level Lead Application Developer to lead the design and development of new and modernized applications for the U.S. Census Bureau’s Decennial Transformation and Application Modernization (DTAM) effort. This role provides technical and management leadership on major application development assignments, applying coding and documentation best practices and adhering to USCB technical and security requirements and SDLC frameworks.
The Lead Application Developer delivers cloud-native, microservices-based solutions using a DevSecOps methodology spanning front-end, back-end, and full-stack development. Decision-making and domain knowledge may have a critical impact on overall program implementation. May supervise others.

Requirements

• Expert experience developing cloud-native applications using microservices, containerization, and serverless architectures
• Strong front-end, back-end, and full-stack development skills across multiple languages and platforms
• Demonstrated experience implementing DevSecOps CI/CD pipelines and secure coding practices
• Experience with version control, automated testing, and deployment automation (IaC)
• Familiarity with Section 508 accessibility compliance and secure application design
• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field
• 15+ years of experience providing technical and management leadership on major application development assignments (SME level)

Nice To Haves

• Experience modernizing legacy applications to cloud-native architectures
• Familiarity with AI/ML, business intelligence, or robotic process automation integration
• Experience with scaled agile (SAFe) delivery in a federal environment
• Excellent written and verbal communication skills, including technical briefing to stakeholders
• Cloud certification (AWS / Azure / Google)

Responsibilities

• Lead the design and development of new and modernized applications.
• Provide technical and management leadership on major application development assignments.
• Apply coding and documentation best practices.
• Adhere to USCB technical and security requirements and SDLC frameworks.
• Deliver cloud-native, microservices-based solutions using a DevSecOps methodology spanning front-end, back-end, and full-stack development.
• Potentially supervise others.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior