DevOps Engineer for Testomat.io

Your job will be to ensure the stability, scalability, and performance of Testomat.io — a modern test management SaaS platform. You’ll be responsible for monitoring servers and services, optimizing databases, handling incidents, and supporting the platform as it grows toward a multi-tenant architecture.

You’ll work close to the product and engineering team, dealing with real production challenges: database optimization, scaling, monitoring, and incident response. This role is critical for keeping Testomat.io reliable as usage and data volumes grow.

🧩 Tech stack

• Ruby on Rails monolith
• MariaDB / MySQL
• ClickHouse
• Redis / Dragonfly
• Meilisearch
• Sidekiq
• Kamal (deployments & provisioning)
• GitHub Actions (CI/CD)
• AppSignal (monitoring)
• Hetzner (VPS & Dedicated servers)
• Cloudflare

✅ Responsibilities

• Set up and maintain server-level monitoring
• Configure and maintain application & service monitoring
  (AppSignal and/or Prometheus + Grafana)
• Handle incident management and production issues
• Optimize and maintain MariaDB / MySQL databases
• Troubleshoot and resolve DB issues, deadlocks, and performance bottlenecks
• Work on scaling the application toward a multi-tenant architecture
• Design and support database sharding strategies
• Assist clients with infrastructure-related issues
• Collaborate with developers on performance, reliability, and scalability topics

📌 Requirements

• Strong experience with production monitoring (DB / Redis / web services)
• Hands-on experience maintaining and optimizing MySQL / MariaDB
• Experience in investigating and resolving database locks, deadlocks, and performance issues
• Understanding of application scaling strategies
• Experience with Linux-based server environments
• Familiarity with CI/CD pipelines
• Ability to work independently and take ownership of infrastructure areas
• Ruby knowledge is a plus (reading/debugging Rails apps)

🌟 Nice to Have

• Experience with ClickHouse
• Experience splitting databases by shards
• Knowledge of Ruby on Rails internals
• Experience working with SaaS products
• Exposure to multi-tenant architectures

😎 Personal Qualities

— Self-directed with the ability to work independently
— Eager to learn new technologies
— Strong problem-solving mindset
— Attention to detail, especially in production systems
— Comfortable reading technical documentation
— Collaborative mindset when working with product and engineering teams

🎁 What We Offer

• 100% remote — async-first team
• Flexible schedule — result > hours
• Direct impact on product stability and growth
• No micromanagement, high ownership culture
• Opportunity to grow into a Senior / Lead Infrastructure role
• Work on a real SaaS product with growing traffic and data volumes

🚀 Hiring Process

• Test task
• First interview with HR (intro & expectations alignment)
• Technical interview
• Call with the CEO
• Offer preparation

To speed up the process, please share:

• English level
• Salary expectations (USD/hour, gross)
• Notice period
• Location (and confirm remote availability)
• Preferred messenger for communication

This will help us move forward faster ✨

—
Team Testomat.io💙