Senior Platform Engineer (Infrastructure)

Role overview Join a platform engineering team responsible for keeping a large web application reliable, scalable, and responsive. You’ll manage cloud infrastructure and the application platform, while working with product engineering teams to help them build, deploy, and operate features safely.

Responsibilities - Manage cloud infrastructure through Infrastructure as Code and plan for future capacity. - Operate and scale a Ruby on Rails application stack, improving performance through profiling and optimization. - Build monitoring and observability to help teams understand system behavior. - Review changes for performance risks and troubleshoot production issues across the stack. - Partner with feature teams on safe, efficient delivery and operations. - Respond to reliability and security incidents, from initial triage through follow-up.

Requirements - At least five years of AWS experience and three years working with Kubernetes. - Hands-on experience with Terraform or similar Infrastructure as Code tools. - Strong understanding of cloud networking, including routing, firewalls, load balancing, content delivery, and virtual networks. - Experience with Ruby on Rails or a comparable web application framework. - Skilled in profiling and benchmarking code, reviewing changes, and identifying performance problems. - Experience with Datadog or another application performance monitoring tool, plus strong written and verbal communication.

Nice to have - Familiarity with distributed event and data systems such as Kafka, Redis, Elasticsearch, Memcached, or TimescaleDB. - Experience in fleet management or using AI tools to automate repetitive work and speed up infrastructure projects.

Benefits and work setup - Remote role open to candidates in the United States. - Health and dental coverage options, vision insurance, flexible spending and health savings accounts, and short- and long-term disability coverage. - Stock options and a 401(k) match of 4%. - Four weeks of paid time off, increasing after the second year, plus 12 company holidays and two floating holidays. - Paid parental leave, professional development and wellbeing funds, and a quarterly business expense stipend.