Senior Software Engineer FS

Senior Software Engineer - Full Stack

Ad Hoc is a technology company that empowers organizations to deliver scalable, impactful digital services. Using modern, agile methods, our team creates products that meet people’s needs and transform their experience of government.

Our collaborations have shaped some of the defining moments in public-sector service delivery. We’ve helped build products that connect Veterans to tailored services, help millions access affordable health care, and support important programs like Head Start. As we work with agencies to deliver critical services, we’re also changing how the government approaches technology.

Our culture, communications, and tools are built for remote work, enabling us to bring together top talent nationwide. At Ad Hoc, remote life empowers our teams to design work environments that fit their lives and that foster flexibility and collaboration to achieve positive outcomes for our customers.

Ad Hoc values acceptance, accountability, and humility. We aren’t heroes. We learn from our mistakes and improve the process for the next time. We build small, inclusive teams to collaborate closely with our partners to solve the right problems and deliver software that works.

The Federal Civilian business unit supports many customers spanning the federal, commercial, and nonprofit space. Our customers include NASA, the General Services Administration, Office of Personnel Management, the Library of Congress, Health & Human Services, and the FDIC. We partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact.

Senior Software Engineer - Full Stack serves as an experienced individual contributor within a team, with the expectation that you will further develop your leadership, guidance, and mentoring skills. With minimal oversight from leadership, you will be responsible for supporting the goal of meeting scope, schedule, and delivery requirements. A Senior Software Engineer - Full Stack impacts the long-term goals of the program, while contributing to the implementation of the program's development strategy. You may serve as the discipline's primary lead when working with stakeholders and utilize strong influential skills to drive improvements in software engineering processes and practices. Primary expectations of a Senior Software Engineer - Full Stack include:

• →Design, develop, and deploy full stack features across both server-side components and user-facing interfaces, working in Python, Java, Angular, and AWS services within a cloud-native microservice architecture
• →Own end-to-end delivery of complex features from story refinement through production deployment, including API design, data integration, frontend implementation, and automated testing
• →Enforce engineering quality standards including mandatory peer code review, SonarQube quality gate compliance, and resolving security findings in-sprint rather than deferring them
• →Implement UI designs from Figma specifications using federal Design System components, ensuring WCAG 2.1 AA accessibility standards are met across all frontend work
• →Lead technical design discussions, author Architecture Decision Records, and present system diagrams and design documents to engineers, product owners, and federal stakeholders
• →Diagnose and resolve production issues across systems you own, using incidents as opportunities to improve system resilience and inform team knowledge
• →Actively mentor junior and mid-level engineers, providing code review feedback and guidance that builds technical capability across the team
• →Contribute to CI/CD pipeline hygiene, infrastructure-as-code standards via Terraform, and GitLab pipeline optimization
• →Participate in technical interviews and candidate evaluations
• →May lead small, less critical, or temporary team structures and projects

• 7+ years of relevant engineering experience and a Bachelor's degree, or equivalent additional experience in lieu of a degree
• Must meet federal suitability requirements and pass a background investigation as a condition of employment
• Expert-level proficiency in at least one of: backend engineering (Python, Java), frontend engineering (Angular, JavaScript), or cloud infrastructure (AWS, Terraform)
• Strong working knowledge across the full stack including PostgreSQL, Elasticsearch, containerized microservices, and AWS services (ECS, RDS, S3, Lambda, CloudWatch)
• Proficiency in Angular, HTML/CSS, and JavaScript for frontend development, including implementation of Design System components from Figma specifications
• Experience building and consuming versioned RESTful APIs with published OpenAPI specifications
• Hands-on experience with CI/CD pipelines in GitLab and infrastructure-as-code using Terraform
• Working knowledge of WCAG 2.1 AA accessibility standards and their application across frontend and backend development
• Strong written and verbal communication skills, able to translate technical decisions for non-technical audiences including federal agency stakeholders

• Prior experience with federal agency digital services or government contracting environments
• Experience with event-driven architectures using AWS SNS/SQS and Lambda/Step Functions
• Familiarity with consumer-driven contract testing using Pact or API contract governance across microservices
• Experience with SAFe or scaled Agile delivery frameworks including PI planning and ART coordination
• Exposure to third-party integrations such as Pay.gov, login.gov, or identity/authentication platforms
• Experience mentoring engineers in a cross-functional federal delivery environment