Senior Full-Stack Engineer (Frontend & Backend) - Remote

Ad Hoc LLC; Washington (District of Columbia); Hybrid; USD 115,000 - 135,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Flexible PTO

401K with employer match

Parental leave

Job summary

Ad Hoc LLC is seeking a Senior Software Engineer with full-stack capabilities to work on front-end and back-end systems for Federal Civilian projects, including the Library of Congress. This remote role emphasizes collaboration across teams, design, and delivering scalable software solutions.

You will design, implement, and mentor, contributing to high-quality production code while engaging with clients and stakeholders.

Qualifications

• Bachelor’s degree and 7+ years of professional software engineering experience.
• Demonstrated expert-level knowledge in at least one technical discipline, including front-end, back-end, full-stack, or infrastructure engineering.
• Experience designing, developing, testing, and maintaining production software applications.
• Experience troubleshooting complex technical issues and contributing to scalable, maintainable software solutions.
• Demonstrated ability to communicate technical concepts effectively to both technical and non-technical audiences.
• Experience providing technical guidance, mentorship, or peer support to other engineers.
• Must meet any applicable contractual or labor category requirements related to education and professional experience.

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

Full-stack engineering

Front-end

Back-end

APIs

CI/CD

Agile

Mentorship

Education

Bachelor’s degree

Tools

Java

Python

Node.js

Job description

Ad Hoc LLC is seeking a Senior Software Engineer with full-stack capabilities to work on front-end and back-end systems for Federal Civilian projects, including the Library of Congress. This remote role emphasizes collaboration across teams, design, and delivering scalable software solutions.

You will design, implement, and mentor, contributing to high-quality production code while engaging with clients and stakeholders.