Senior Software Engineer - Front End/Back End (Library of Congress)
Ad HocAbout the role
Senior Software Engineer - Front End/Back End
Job number: 811
This is a remote position.
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.
Work on things that matter
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.
Built for a remote life
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.
Committed to high expectations and a welcoming culture
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.
Primary Responsibilities
Senior Software Engineer - Front End/Back End 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 - Front End/Back End 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 - Front End/Back End include:
- Design, develop, and deploy high-quality features across frontend or backend systems within a cloud-native microservice architecture, with strong ownership of your area of the codebase
- Enforce engineering quality standards including mandatory peer code review, SonarQube quality gate compliance, and resolving security findings in-sprint rather than deferring them
- Build and consume RESTful APIs with versioned OpenAPI specifications, contributing to backend data integration logic using PostgreSQL and Elasticsearch or implementing user-facing features using Angular, HTML/CSS, and JavaScript
- 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
Basic Qualifications
- 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: frontend engineering (Angular, JavaScript, HTML/CSS) or backend engineering (Python, Java, PostgreSQL, Elasticsearch)
- Strong working knowledge of containerized microservices and AWS services (ECS, RDS, S3, Lambda, CloudWatch)
- Experience building and consu
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