> Markdown version of [/jobs/ext/3029195-senior-software-engineer-javascript-ror](https://www.wearedevelopers.com/jobs/ext/3029195-senior-software-engineer-javascript-ror). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer (JavaScript / RoR) - **Company:** VELOZIENT LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Computing Platforms, Unit Testing, Software Bug Management, Ruby on Rails, Software Engineering, Tailwind, Heroku, Non-relational Database - **Published:** September 22, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/pm2y4dszv4 ## About the Role We are looking for a full-time, remote Senior Software Engineer with 5+ years of software development experience using Ruby on Rails to join as a core member of our U.S. client's tight-knit, experienced engineering team. In this role, you will play a leadership role as well as actively contribute to strategizing and building at the feature level rather than just focusing on outputs., * Excellent English communication and interpersonal skills * 5+ years of professional software engineering experience using Ruby on Rails, with a strong background in JavaScript and frameworks (preferably Stimulus) * Experience taking the lead on complete features, appropriate to your level, and showing initiative to solve ambiguous problems * Experience creating and consuming APIs * Knowledge of relational / non-relational database systems * Proven delivery experience in a vibrant, dynamic startup environment * A collaborative approach, a can-do attitude, and a relentless pursuit to attain goals and solve problems * Trustworthy, team-oriented, and transparent Desired Experience * University degree or relevant industry experience (ideally a technical or engineering degree) * Experience in healthcare, healthtech industry, or growth-stage startups * Experience with Stimulus, Turbo, Tailwind CSS, Sidekiq, or Heroku Shield ## Description * Collaborate with engineering and product stakeholders to define, design, and build new features and integrations * Advance software platform capabilities using Ruby on Rails * Develop and support third-party integrations with B2B healthcare systems * Provide work estimates for bug fixes, enhancements, and features * Deliver high-quality, well-documented code with velocity * Mentor junior engineers and aid the engineering team with troubleshooting * Write and execute unit tests * Promote development best practices following team standards with an eye towards innovation and opportunities to scale * Work independently with minimal need for oversight and a bias towards action, as well as display a willingness to ask questions when needed to remain efficient * Become energized by tackling new challenges and eagerly give and receive feedback from colleagues