Senior Platform Engineer - AI Rails Reliability (Remote)

Openkrill; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health benefits

Vision insurance

Stock options

401(k) match

PTO - 4 weeks

Company holidays + floating holidays

Parental leave

Wellbeing fund

Mac laptop

Remote-friendly

Job summary

Fleetio is a remote-friendly software company seeking a Senior Platform Engineer to scale and maintain our Ruby on Rails stack and infrastructure. You will focus on performance, reliability, and scalability, shaping architecture and operational practices for growth.

You’ll work with AI-enabled tooling, observe systems via metrics, and lead database capacity planning with incident response and on-call participation.

Qualifications

• 5+ years of Ruby/Rails experience.
• 3+ years of AWS experience.
• Kubernetes experience.
• Experience with profiling and benchmarking source code.
• Effective at code review and identifying potential performance problems before they reach production.
• 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 database systems, including SLOs and SLIs.
• Build and maintain AI agents, skills, and automations that reduce operational toil across incident response, triage, and routine maintenance.
• Use AI-assisted tooling to accelerate performance analysis, root-cause investigation, and code review.
• Collaborate with other SREs to proactively identify and address performance bottlenecks.
• Help product engineers adopt AI-driven workflows for performance and reliability best practices.
• Lead database capacity planning and upgrade initiatives.
• Manage the database-specific components of disaster recovery planning and execution.
• Oversee backup systems and pre-production databases.
• Create and maintain infrastructure and operations documentation, including runbooks and context that both engineers and AI agents can act on.
• Participate in the on-call rotation.

Skills

Ruby

Rails

AWS

Kubernetes

Profiling & benchmarking

Code review

Datadog

Communication skills

Tools

Terraform

Kafka

Redis

Elasticsearch

Memcached

TimescaleDB

Job description

Fleetio is a remote-friendly software company seeking a Senior Platform Engineer to scale and maintain our Ruby on Rails stack and infrastructure. You will focus on performance, reliability, and scalability, shaping architecture and operational practices for growth.

You’ll work with AI-enabled tooling, observe systems via metrics, and lead database capacity planning with incident response and on-call participation.