Senior Infrastructure Engineer

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. About the Role: 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. You Will: - 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. Required Skills and Experience: - 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. Bonus Points: - Experience with Google Cloud Platform (GCP) services and tools. - Knowledge of modern observability platforms (Prometheus, Grafana, Datadog, etc.). - Experience building reliable systems capable of handling high throughput and low latency. - Experience with Go and Terraform. - Familiarity with working in rapid-growth environments. This is a full-time role that can be held from our Foster City, CA office. The role has an in-office requirement of Monday, Wednesday, and Friday. Full-Time Employee Benefits Include: 💰 Competitive Salary & Equity 💹 401(k) Program with a 4% match ⚕️ Health, Dental, Vision and Life Insurance 🩼 Short Term and Long Term Disability 🚼 Paid Parental, Medical, Caregiver Leave 🚗 Commuter Benefits 📱 Monthly Wellness Stipend 🧑‍💻 Autonomous Work Environment 🖥 In Office Set-Up Reimbursement 🏝 Flexible Time Off (FTO) + Holidays 🚀 Quarterly Team Gatherings ☕ In Office Amenities Want to learn more about what we are up to? - Meet the Replit Agent https://www.youtube.com/watch?v=IYiVPrxY8-Y - Replit: Make an app for that https://www.youtube.com/watch?v=4zd9hzngFwY - Replit Blog https://blog.replit.com/ - Amjad TED Talk https://youtu.be/kCudFI4tcpg?si=l4ViCejV_f2RZkDi Interviewing + Culture at Replit - Operating Principles https://blog.replit.com/operating-principles - Reasons not to work at Replit https://blog.replit.com/reasons-not-to-join-replit To achieve our mission of making programming more accessible around the world, we need our team to be representative of the world. We welcome your unique perspective and experiences in shaping this product. We encourage people from all kinds of backgrounds to apply, including and especially candidates from underrepresented and non-traditional backgrounds.