Senior Infrastructure Engineer, Replit

• 4+ years of experience in Site Reliability Engineering or similar roles (DevOps, Systems Engineering, Infrastructure Engineering)
• Strong programming skills in languages like Python or Go
• You write high-quality, well-tested code
• Solid understanding of distributed systems. You've built, scaled, and maintained production services and understand service-oriented architecture
• Experience with container orchestration platforms (Kubernetes) and cloud-native technologies
• Experience implementing and maintaining monitoring/observability solutions, with strong skills in debugging and performance tuning
• Strong incident management skills with experience participating in incident response and demonstrated critical thinking under pressure
• Experience with infrastructure as code (e.g., Terraform) and configuration management tools
• Excellent written and verbal communication skills, with an ability to explain technical concepts clearly
• A willingness to dive into understanding, debugging, and improving any layer of the stack
• You're passionate about making software creation accessible and empowering the next generation of builders

Desirable

• Join our Infrastructure Engineering team and help ensure the reliability, scalability, and performance of Replit's infrastructure that serves millions of developers worldwide
• As a Senior Infrastructure Engineer, you will bridge the gap between development and operations, implementing automation and establishing best practices that enable our platform to scale efficiently while maintaining high availability
• We are seeking Senior Infrastructure Engineers who are passionate about building and maintaining resilient systems at scale
• Your mission will be to proactively find and analyze reliability problems across our stack, then design and implement software and systems to address them
• You will build robust monitoring solutions, automate operational tasks, and continuously improve our infrastructure's reliability
• Drive Automation and Infrastructure as Code: Build and improve automation to eliminate toil and operational work. Maintain CI/CD pipelines and infrastructure automation using tools like Terraform or Pulumi. Create self-healing systems that can automatically respond to common failure scenarios
• Optimize Performance and Infrastructure: Collaborate with core infrastructure and product teams to performance tune and optimize our cloud deployments (Kubernetes, Docker, GCP). Identify and resolve performance bottlenecks and implement capacity planning strategies
• Elevate Developer Experience: Design and implement improvements to our build, test, and deployment systems to make software delivery faster, safer, and more reliable for all engineers
• Drive Cross-Team Improvements: Partner with service owners across Replit to understand their pain points, and collaborate on implementing build/test/deploy enhancements within their specific services
• Build Shared Tooling: Create and maintain centralized tooling and automation that improves the engineering lifecycle, from local development to production monitoring
• Debug and Harden Systems: Dive deep into debugging difficult technical problems, making our systems and products more robust, operable, and easier to diagnose
• Collaborate on Design Reviews: Participate in feature and system design reviews, contributing expertise on security, scale, and operational considerations
• Build and Integrate: Write high-quality, well-tested code to meet the needs of your customers, including building pipelines to integrate with 3rd party vendors