Senior Platform Engineer, AI-Driven Rails & Infra (Remote)

Fleetio; Oregon; Hybrid; USD 140,000 - 200,000; Full time

Benefits offered by this job

Health/dental/vision coverage

RSU / stock options

401(k) match

Job summary

Fleetio is seeking a Senior Platform Engineer to scale our Ruby on Rails stack and infrastructure. You will focus on performance, reliability, and AI-enhanced operations, shaping how our platform teams leverage AI for efficiency and resilience.

You will work in a remote US-based role, collaborating with a fast-paced engineering culture and contributing to disaster recovery, backups, and runbooks to support engineers and AI agents.

Qualifications

• 5+ years of Ruby/Rails experience.
• 3+ years of AWS experience.
• Kubernetes experience.
• Experience with profiling and benchmarking source code.
• Experience with Datadog or other APM tools.
• Experience building AI agents, LLM-powered automations, or integrations.

Responsibilities

• Proactively identify, triage, and resolve performance issues.
• Enhance observability across Ruby, Rails, and databases with SLOs/SLIs.
• Build and maintain AI agents, skills, and automations to reduce toil.
• Use AI-assisted tooling to accelerate performance analysis and root-cause investigation.
• Collaborate with other SREs to address performance bottlenecks.
• Help product engineers adopt AI-driven workflows for performance and reliability.

Skills

Ruby/Rails

AWS

Kubernetes

Profiling/Benchmarking

Datadog/APM

AI agents/LLM automation

Terraform

Distributed stores (Kafka/Redis/Elast/

Tools

Git

CI/CD

Job description

Fleetio is seeking a Senior Platform Engineer to scale our Ruby on Rails stack and infrastructure. You will focus on performance, reliability, and AI-enhanced operations, shaping how our platform teams leverage AI for efficiency and resilience.

You will work in a remote US-based role, collaborating with a fast-paced engineering culture and contributing to disaster recovery, backups, and runbooks to support engineers and AI agents.