Software Engineer III - Back End (Remote)

Ad Hoc LLC is a technology company that empowers organizations to deliver scalable, impactful digital services. The Software Engineer III - Back End will develop, test, and deploy server-side components and API services while collaborating with cross-functional teams to enhance software engineering processes.

Responsibilities:

• Develop, test, and deploy server-side components, API services, and data integration logic within a cloud-native, microservice-based architecture
• Write and maintain unit and integration tests, contributing to 90%+ automated test coverage targets for all new and modified code
• Participate in mandatory peer code review; no self-approved merges; four-eyes principle enforced on all commits
• Contribute to CI/CD pipeline hygiene, including SonarQube quality gate compliance and resolving security findings in-sprint rather than deferring them
• Collaborate with frontend engineers, QA, and accessibility specialists to deliver end-to-end features from story refinement through production deployment
• Participate in SAFe ceremonies including sprint planning, standups, reviews, and retrospectives
• Support on-call and triage rotations, gaining cross-system diagnostic exposure
• Author and maintain technical documentation, ADRs, and runbooks as part of the Definition of Done
• Mentor junior developers and support recruiting through technical evaluations

Requirements:

• Bachelor's degree and 5+ years of engineering experience; relevant experience may substitute for education
• Must meet federal suitability requirements and pass a background investigation as a condition of employment
• Proficiency in Python and/or Java for server-side development
• Experience building and consuming RESTful APIs, including versioned OpenAPI specifications
• Hands-on experience with relational databases (PostgreSQL preferred) and non-relational/search platforms (Elasticsearch)
• Familiarity with containerized deployments using Docker and AWS services (ECS, RDS, S3, Lambda, CloudWatch)
• Experience working in agile environments with CI/CD pipelines and version control via Git/GitLab
• Practice writing automated tests (JUnit, Pytest, or equivalent) and working within quality gate frameworks like SonarQube
• Strong written communication skills for developer-facing documentation
• Prior experience with federal agency digital services or government contracting environments
• Familiarity with event-driven architectures using AWS SNS/SQS and Lambda/Step Functions
• Experience with SAFe or scaled Agile delivery frameworks
• Exposure to consumer-driven contract testing (Pact) or API contract governance across microservices
• Experience with third-party integrations such as Pay.gov, login.gov, or identity/authentication platforms
• Terraform or infrastructure-as-code experience