In my previous role, we encountered a sudden spike in latency on our platform. I quickly identified that the issue was due to a misconfiguration in our load balancer. I worked with the team to roll back the changes and implemented a more robust configuration, which resolved the latency issue within an hour. This experience taught me the importance of thorough testing and documentation before deploying changes to production.

I focus on designing systems with redundancy and failover mechanisms to ensure reliability. For scalability, I use automated monitoring tools to track performance metrics and implement horizontal scaling strategies. Additionally, I advocate for continuous integration and deployment practices to quickly identify and resolve issues before they impact users.

I regularly review resource usage and identify underutilized instances to downsize or terminate them. I also leverage reserved instances and spot pricing where appropriate. Implementing auto-scaling policies and using cost management tools help in optimizing cloud spend. Educating the team on cost-saving practices is also crucial.

Security is a top priority for me. I follow best practices such as regular vulnerability assessments, secure coding standards, and implementing access controls. I also ensure that all dependencies are regularly updated and patched. Conducting security training for the team and performing regular security audits are part of my approach.

I have extensive experience with Docker for containerizing applications, which simplifies deployment and ensures consistency across environments. For orchestration, I use Kubernetes to manage containerized applications at scale, automating deployment, scaling, and operations. I’ve implemented CI/CD pipelines that integrate with Kubernetes for seamless updates and rollbacks.