Remote Senior Backend Engineer - Lead Critical Govt Systems

Ad Hoc LLC; Silver Spring (MD); Remote; USD 115,000 - 135,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Flexible PTO

401K with employer match

Paid parental leave

Job summary

Ad Hoc LLC, a technology company delivering digital services for federal civilian clients, is seeking a Senior Software Engineer - Back End for a remote role. You will design, develop, test, and mentor on backend systems, APIs, and data stores.

You will lead with strong technical judgment, contribute to architecture, participate in interviews, and support integrations with AWS, Docker, PostgreSQL and Elasticsearch.

Qualifications

• Bachelor's degree and 7+ 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 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

Responsibilities

• Demonstrate technical expertise, accountability, and ownership of contributions to the application codebase.
• Maintain a strong understanding of adjacent technical areas, systems, and ecosystems to effectively coordinate integrations and dependencies.
• Design, develop, test, maintain, and improve high-quality software solutions across front-end and/or back-end systems.
• Diagnose and resolve complex technical issues within owned systems, using incidents and lessons learned to identify opportunities for system and process improvements.
• Mentor and support junior and mid-level engineers in developing their technical and problem-solving skills.
• Clearly communicate technical concepts, issues, risks, and developments to team members, clients, and stakeholders.
• Participate in technical interviews and help evaluate engineering candidates.
• Use strong technical judgment and influencing skills to propose, evaluate, and recommend approaches to technical and process challenges.
• Provide technical guidance and mentorship to engineers within the team.
• Lead small projects, technical initiatives, or temporary team structures as needed.
• Develop and present design documents, system diagrams, technical recommendations, and other engineering artifacts to clients, stakeholders, partners, and fellow engineers.

Skills

Java

REST APIs

AWS

Git/GitLab

CI/CD

JUnit/Pytest

OpenAPI

Mentoring

Education

Bachelor's degree

Tools

Docker

PostgreSQL

Elasticsearch

Job description

Ad Hoc LLC, a technology company delivering digital services for federal civilian clients, is seeking a Senior Software Engineer - Back End for a remote role. You will design, develop, test, and mentor on backend systems, APIs, and data stores.

You will lead with strong technical judgment, contribute to architecture, participate in interviews, and support integrations with AWS, Docker, PostgreSQL and Elasticsearch.