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

Fleetio; United States; Remote; USD 150,000 - 210,000; Full time

Benefits offered by this job

Health coverage

Vision insurance

Stock options

401(k) match

PTO 4 weeks

Company holidays

Parental leave

Wellbeing fund

Equipment stipend

Remote-friendly since 2012

Job summary

Fleetio is seeking a Senior Platform Engineer to scale a Ruby on Rails stack, improve performance, and enhance reliability across infrastructure. You will own initiatives to boost performance, ensure observability, and leverage AI-driven workflows.

This role emphasizes SRE practices, on-call readiness, and collaboration with product engineering in a remote US-friendly setup. You will design and implement scalable infrastructure, lead capacity planning, and work with AI agents to streamline

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.
• Excellent written and verbal communication skills.

Responsibilities

• Proactively identify, triage, and resolve performance issues.
• Enhance system observability by monitoring performance metrics across Ruby, Rails, and databases.
• 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.
• Lead database capacity planning and upgrade initiatives.
• Manage disaster recovery components for databases.
• Oversee backup systems and pre-production databases.
• Create and maintain runbooks and operational documentation.

Skills

Ruby on Rails

AWS

Kubernetes

Datadog / APM

AI / automation

DevOps / SRE practices

Tools

Datadog

Terraform

Kafka

Redis

Job description

Fleetio is seeking a Senior Platform Engineer to scale a Ruby on Rails stack, improve performance, and enhance reliability across infrastructure. You will own initiatives to boost performance, ensure observability, and leverage AI-driven workflows.

This role emphasizes SRE practices, on-call readiness, and collaboration with product engineering in a remote US-friendly setup. You will design and implement scalable infrastructure, lead capacity planning, and work with AI agents to streamline