Senior Ruby On Rails Devops Engineer / Freelance / Part-Time / On-Call

Senior Ruby on Rails DevOps Engineer / Freelance / Part-time / On-call

Join to apply for the Senior Ruby on Rails DevOps Engineer / Freelance / Part-time / On-call role at UNITH

Job Overview

We are seeking a Senior Ruby on Rails DevOps Engineer to join our team on a freelance, part-time basis (2–3 days / week), with on-call availability as needed. This role involves maintaining and optimizing our Rails-based platform, supporting infrastructure, and collaborating with our engineering team to ensure system stability and performance.

Location

Amsterdam or Barcelona (Hybrid or Remote)

About Us

Track Concepts, part of UNITH (ASX Listed), is a digital consumer technology company based in Amsterdam, with offices in Perth and Barcelona. We develop subscription-based web applications powered by UNITH’s Digital Human technology, serving customers in over 20 languages across various content verticals.

The Role

As a Senior Ruby on Rails DevOps Engineer, your responsibilities will include maintaining our CMS and DCB payments platform, managing on-premises infrastructure, implementing CI / CD pipelines, monitoring system performance, ensuring security, managing MySQL environments, and supporting our growth initiatives.

Responsibilities

• Maintain and optimize our Ruby on Rails CMS and payments platform (Rails 7.2).
• Support and manage on-premises infrastructure (FreeBSD).
• Implement and refine CI / CD pipelines using Jenkins and TeamCity.
• Monitor and improve application performance, logs, and alerts.
• Ensure security best practices across infrastructure and code.
• Manage MySQL environments, including replication and performance tuning.
• Collaborate with cross-functional teams to support features and growth.
• Be available on an on-call basis for critical issues.

Requirements

• 5+ years of Ruby on Rails engineering experience with DevOps responsibilities.
• Proficiency with FreeBSD, Jenkins, GitHub, Puppet, TeamCity, Monit.
• Strong experience with MySQL, including replication and performance tuning.
• Solid understanding of system architecture, networking, and security.
• Ability to work independently and remotely.
• Availability for part-time engagement and on-call support.
• Bonus : Experience with Direct Carrier Billing (DCB).

Why Join Us

• Be part of an innovative AI-driven product company with international reach.
• Flexible freelance setup (retainer + hourly options).
• Work with a talented, cross-functional team across Amsterdam, Barcelona, and Perth.
• Impact a platform used by thousands daily.
• Opportunities for technical and strategic growth.

How to Apply

If you're a senior Ruby on Rails DevOps engineer seeking a flexible freelance role, email us at with your application. Personal touches are appreciated.

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