# Application Reliability Engineer (ARE)

**Company:** GOLD AVENUE
**Department:** IT department
**Location:** Spain
**Remote status:** Temporarily Remote

**Join us as our new Application Reliability Engineer**

We’re looking for a pragmatic, detail-oriented **Application Reliability Engineer** with strong experience in **Ruby on Rails** and **React (Next.js, Expo)** to strengthen our technology team.

In this role, you’ll act as the **bridge between our hosting platforms and our development teams** , ensuring that our applications remain **fast, observable, and resilient** across all environments. You’ll combine a developer’s understanding of code with an SRE’s approach to reliability, performance, and automation.

**Your Mission**

- Design and maintain **observability, monitoring, and alerting** for all environments (infrastructure, backend, frontend, performance)
- Identify and resolve performance bottlenecks across **Rails** and **React/Next.js/Expo** layers
- Collaborate with developers to define and track **reliability and performance objectives**
- Manage and improve **CI/CD pipelines** , automated deployments, and rollback strategies
- Define and enforce **SLAs/SLOs** with product and IT leadership
- Automate **infrastructure and operational workflows** (scaling, provisioning, backups, failovers)
- Lead **incident management** and postmortems, ensuring issues turn into long-term improvements
- Secure applications using **Cloudflare WAF** and **Vercel edge protections**
- Promote documentation, visibility, and a shared reliability mindset across teams

**Collaboration & Ownership**

- **Bridge between hosting and development** to connect production insights with code-level improvements
- **Work closely with dev squads** on observability, deployment reliability, and performance tuning
- **Co-own reliability and scalability goals** with the Head of IT
- **Collaborate with QA** on release validation and rollback automation
- **Support Product teams** by maintaining stability and performance during new releases

**Dependencies / Co-responsibility**

- Co-ownership of infrastructure and reliability targets with the Head of IT
- Strong collaboration with dev squads on observability, deployments, and scalability
- Works closely with QA on release validation and rollback strategy
- Shared responsibility with PM/PO for planning and prioritization of reliability tasks
- Supports Product teams by ensuring platform stability during feature rollouts

**Technical stack**

- **Backend:** Ruby on Rails monolith
- **Frontend:** React (Next.js, Expo)
- **Hosting:** Vercel, Heroku, Sanity
- **Monitoring & Observability:** New Relic, Sentry, Librato
- **Security:** Cloudflare WAF, Vercel Edge Network
- **CI/CD & Automation:** Bitbucket, CircleCI, Docker, Bash/Python/Terraform

**Your Skills:**

- 3–5+ years in **Application Reliability, DevOps, or Software Engineering** with a strong reliability focus
- Proven experience with **Ruby on Rails** and **React (Next.js, Expo)**
- Deep understanding of **web performance, scalability, and observability**
- Solid knowledge of **CI/CD pipelines** and release automation
- Experience with **Vercel** and **Heroku** , or similar platforms
- Strong scripting and automation skills (Bash, Python, Terraform, etc.)
- Security-oriented mindset; hands-on experience with **WAFs** or edge protections
- Excellent analytical and communication skillsFluent in English (French a plus)
- Ability to work remotely from Spain

If you’re ready to bring your ecommerce expertise to a dynamic, growing company, apply today, and let’s drive success together!

_This position is no longer accepting applications._