Senior Software Engineer - Front End/Back End (Library of Congress)

• 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 consuming versioned RESTful APIs with published OpenAPI specifications
• Hands-on experience with CI/CD pipelines in GitLab and version control via Git
• Working knowledge of WCAG 2.1 AA accessibility standards and their application to frontend or 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 infrastructure-as-code using Terraform
• Familiarity with event-driven architectures using AWS SNS/SQS and Lambda/Step Functions
• Experience with consumer-driven contract testing using Pact or API contract governance across microservices
• Exposure to SAFe or scaled Agile delivery frameworks including PI planning and ART coordination
• Familiarity with third-party integrations such as Pay.gov, login.gov, or identity/authentication platforms
• Experience mentoring engineers in a cross-functional federal delivery environment

To learn more about working at Ad Hoc, please visit: https://adhocteam.us/join

• Company-subsidized health, dental, and vision insurance
• Flexible PTO
• 401K with employer match
• Paid parental leave after one year of service

Ad Hoc LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, national origin, ancestry, sex, sexual orientation, gender identity or expression, religion, age, pregnancy, disability, work-related injury, covered veteran status, political ideology, marital status, or any other factor that the law protects from employment discrimination.

We value the unique skills gained through military service and encourage veterans and transitioning service members to apply.

In support of various state and city equal pay transparency laws, Ad Hoc job descriptions feature the starting range we reasonably expect to pay to candidates who would join our team with little to no need for training on the responsibilities we've outlined above.

Actual compensation is influenced by a wide range of factors including but not limited to skill set, level of experience, and responsibility.

The range of starting pay for this role is $120,000 - $140,000.

Our recruiters will be happy to answer any questions you may have, and we look forward to learning more about your salary requirements.