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# Senior Platform Engineer

- **Company:** PLATFORM ENGINEERING LLC
- **Location:** United States
- **Experience:** Expert
- **Salary:** $149,000.0 - $282,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Computing Platforms, Microsoft Azure, Profiling, Code Review, Data Stores, Software Debugging, Elasticsearch, Memcached, Routing, Ruby on Rails, Redis, Web Application Frameworks, AI Infrastructure, Datadog, Google Cloud, Load Balancing, Feature Engineering, Firewalls (Computer Science), Kubernetes, Infrastructure Automation Frameworks, Apache Kafka, Terraform
- **Published:** November 4, 2026
- **Apply:** https://www.builtincolorado.com/job/senior-platform-engineer-infrastructure/12051944?handler=ApplyRedirect

## About the Role

* 5+ years of AWS Experience
 * 3+ years Kubernetes Experience
 * Infrastructure as Code tools (Terraform)
 * Deep understanding of cloud network fundamentals (routing, firewalls, load balancers, CDNs, VPCs, etc.)
 * Experience with Ruby on Rails or an equivalent web application framework
 * Expert at 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

Considered a Plus

 * Experience with distributed event and data stores, such as Kafka, Redis, Elasticsearch, Memcached, and TimescaleDB
 * You know a thing or two about the fleet management industry
 * Experience using AI tools to automate repetitive work and accelerate infrastructure projects

## Description

We're looking for a Senior Platform Engineer to join our growing Platform Engineering team. This role will have a direct impact on our customers, our engineers, and our business by ensuring our applications are highly available, scalable, and performant., Our ideal candidate is an Infrastructure Engineer experienced in scaling Ruby on Rails applications, with a passion for optimization and performance improvements. You bring a strong background in Site Reliability and Infrastructure Engineering for Rails applications. You follow Agile and DevOps principles, can effectively influence teams to achieve goals, and demonstrate excellent problem-solving skills in our fast-paced environment.
Your Impact

As a Senior Platform Engineer on Fleetio's Platform Engineering team, you will:

 * Manage cloud infrastructure using Infrastructure as Code
 * Manage and scale a Ruby on Rails stack
 * Implement monitoring tools to improve observability
 * Perform code review of new features to ensure they meet performance requirements
 * Debug production issues across all levels of the stack
 * Plan for the growth of, optimize, and automate Fleetio's Infrastructure
 * Partner with feature engineering teams to help them build, deploy, and operate their features safely and efficiently
 * Respond to reliability and security incidents, from triage and mitigation through post-incident follow-up, Build and operate scalable ML infrastructure and platform capabilities across cloud and on-premises environments. Develop Python-based developer tooling, services, and production systems supporting experimentation, distributed training, model deployment, and operations. Lead complex initiatives from architecture through rollout, improve reliability and developer productivity, and partner with ML and infrastructure teams. The role emphasizes Kubernetes, AWS, distributed compute, GPU-intensive workloads, observability, and production excellence.
Top Skills: AirflowAWSCloud ComputingComputer VisionDistributed SystemsKubeflowKubernetesMachine Learning InfrastructurePythonRayRoboticsSpark
Danaher Corporation