Staff Software Engineer - Full Stack

Ad Hoc LLC is a technology company that empowers organizations to deliver scalable, impactful digital services. The Staff Software Engineer - Full Stack will serve as a technical leader and hands-on contributor, leading technical initiatives and delivering high-quality software while collaborating with various stakeholders to develop scalable solutions.

Responsibilities:

• Lead the technical design and implementation of complex full stack applications
• Plan and execute technical roadmaps with minimal guidance
• Collaborate closely with product managers, designers, engineers, and client stakeholders throughout the software development lifecycle
• Translate ambiguous business requirements into scalable technical solutions
• Improve system reliability, maintainability, and performance through refactoring, documentation, automated testing, and observability
• Build secure, accessible, and resilient applications using modern engineering best practices
• Present technical concepts, implementation approaches, and architectural tradeoffs to both technical and non-technical audiences
• Support proposal development, technical demonstrations, and client-facing discussions when needed
• Participate in technical interviews and mentor engineers through code reviews and technical guidance
• Periodically travel to support client meetings, workshops, or team collaboration

Requirements:

• Bachelor's degree and 9+ years of professional software engineering experience (or equivalent combination of education and experience)
• Expert-level experience developing modern web applications using React and Ruby on Rails
• Experience designing and consuming RESTful APIs and integrating distributed services
• Experience with cloud-native application development, preferably in AWS
• Experience using Datadog or other monitoring tools for monitoring, observability, troubleshooting, and performance analysis
• Strong understanding of software architecture, testing strategies, CI/CD, and modern engineering practices
• Demonstrated ability to leverage AI-assisted development tools to improve engineering productivity, code quality, testing, and problem solving while maintaining sound engineering judgment
• Strong written and verbal communication skills with the ability to work directly with technical and non-technical stakeholders
• Must be able to successfully obtain and maintain a Tier 4 Public Trust or higher security clearance
• Experience building mobile applications using React Native and TypeScript
• Experience working on federal government software modernization programs
• Experience with accessibility standards (Section 508/WCAG)
• Experience working within Agile software delivery teams
• Experience with containerized applications and Kubernetes
• Experience supporting FedRAMP, FISMA, or other government compliance environments