Software Engineer, FS III – Rails, React

Ad Hoc LLC

Software Engineer III - Full Stack developing impactful digital services for government organizations. Collaborating within small teams to deliver seamless user experiences for Veterans and their families.

Posted 6/21/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $120,000 - $135,000 per yearWebsite

Tech Stack

Tools & technologies

JavaScriptReactReduxRSpecRubyRuby on Rails

About the role

Key responsibilities & impact

Software Engineer III - Full Stack serves as an emerging individual contributor within a team
Estimates and completes development tasks including coding, requirements gathering, and analysis with little feedback and guidance from their team
Practices technical and communications skills to improve context knowledge and mentor junior developers
Assesses and diagnoses issues with the systems they own, prioritizing problem areas based on alignment with other practice areas
Participates in on-call rotations with their team as necessary
Presents on and writes about their work to both internal and external parties
Participates in planning sessions, building an understanding of major architectures and design patterns
Supports recruiting efforts by evaluating homework assignments and potentially assisting with interviews
Exhibits influential skills to drive improvements in team engineering processes and practices

Requirements

What you’ll need

Bachelors degree and 5+ years of engineering experience
Expert experience with Ruby on Rails, API Design & Development
Experience with React/Redux, JavaScript, HTML & CSS
Experience with Postman, Datadog and RSpec
Experience responding and triaging production issues

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Ruby on RailsAPI DesignAPI DevelopmentReactReduxJavaScriptHTMLCSSPostmanDatadog

Soft Skills

communicationmentoringproblem-solvinginfluential skillsteam collaborationplanninganalysiscontext knowledge

Certifications

Bachelors degree