Lead Application Developer (SME)

About Us Onyx Government Services, LLC., is a Service-Disable Veteran-Owned Small Business (SDVOSB), headquartered in Fairfax, Virginia. We specialize in data management, integration, and analysis solutions to provide decision-ready information to Command and Control (C2) and Decision Support Systems. We have demonstrated expertise in the field of Information Technology, database & COTS integration, and custom software development. Onyx pairs subject matter and functional experts with developers to provide high quality, tailored solutions. In support of our various efforts, we have developed the Onyx Data Management Toolkit, a combination of Agile Development principles, COTS Integration, and custom software, to deliver flexible, cost-effective solutions to a variety of Department of Defense, Intelligence Community, and Law Enforcement agencies. Work Location: Suitland, MD Clearance: U.S. Citizenship required ***This position is contingent upon contract award. *** Job Summary 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. Required Skills 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 Desired Skills 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 Education and Experience 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) Desired Certifications Cloud certification (AWS / Azure / Google) Salary Range: $155,000 - $175,000 annually The salary range for this position represents the anticipated compensation at the time of posting. Actual compensation will be determined based on factors such as the candidate's qualifications, experience, education, skills, contract requirements, funding and other business considerations. Benefits Eligible employees have access to a comprehensive benefits package, which currently includes: Medical, dental, and vision insurance 401(k) retirement plan Paid time off (PTO) Company-paid holidays Short-term and long-term disability insurance Life insurance