✦ Luna Orbit — Software Engineering

Senior Full-Stack Software Engineer, CMS

at Circle.so

📍 Remote, US Remote 💰 $130K – $140K USD / year Posted March 25, 2026
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Position Details

Salary $130K – $140K USD / year
Type Full-Time
Experience senior
Exp. Years 5+ years
Education Not specified
Category Software Engineering

About this role

This role focuses on developing high-impact SaaS features with a focus on architecture, API design, and full-stack development in a remote setting.

Key Responsibilities

  • Build SaaS features
  • Collaborate with founders and teams
  • Review PRs
  • Improve codebase
  • Architect solutions

Technical Overview

Proficiency in Ruby on Rails, React, TypeScript, JavaScript, API development, and scalable system architecture within SaaS products.

Ideal Candidate

The ideal candidate is a senior full-stack engineer with 5+ years of experience in SaaS environments, proficient in Ruby on Rails, React, and TypeScript, with strong problem-solving and architectural skills.

Must-Have Skills

Ruby on RailsReactTypeScriptfull-stack developmentweb applications

Nice-to-Have Skills

API designarchitectureJavaScript

Tools & Platforms

JiraGitHubCI/CD pipelines

Required Skills

Ruby on RailsReactTypeScriptJavaScriptweb applicationsfull-stack developmentAPI designarchitecture

Hard Skills

Ruby on RailsReactTypeScriptJavaScriptsoftware developmentfull-stack developmentweb applicationsAPI designarchitecture

Soft Skills

communicationcollaborationproblem-solvingproduct mindsetattention to detail

Industry & Role

Industry SaaS
Job Function Full-stack SaaS application development
Role Subtype Full Stack Engineer
Tech Domains Ruby on Rails, React, TypeScript, JavaScript

Keywords for Your Resume

Senior Full-Stack Software EngineerRuby on RailsReactTypeScriptJavaScriptweb applicationsfull-stack developmentAPI designarchitectureremoteSaaScollaborationproblem-solvingsoftware developmentagilefull-stack

Deal Breakers

Lack of experience in Ruby on Rails or React, No full-stack experience, Less than 5 years of experience, Inability to work remotely

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