SRE engineer

На данный момент Senior Software Engineer.

Мои компетенции и опыт

Ethan Lim

Singapore | нужен доступ к резюме | нужен доступ к резюме | нужен доступ к резюме

Summary

Seasoned SRE Engineer with extensive experience in maintaining highly available, resilient systems and optimizing infrastructure for performance and cost efficiency. Proficient in Linux system administration, distributed systems, Kubernetes, and cloud-native deployments. Skilled in automating operational workflows, building CI/CD pipelines, and implementing monitoring, alerting, and observability practices. Strong background in incident response, capacity planning, and cross-team collaboration to ensure reliable, production-grade digital platforms.

Experience

Rescode | Senior Software Engineer May 2022 ~ Present

• Engineered automated monitoring and alerting for critical services, reducing incident MTTR by 60%.
• Designed CI/CD pipelines for multi-environment deployments, decreasing deployment errors by 40%.
• Implemented container orchestration with Kubernetes and Helm, improving scalability and uptime to нужен доступ к резюме %.
• Automated routine operational tasks using Go scripts, cutting toil by 30%.
• Managed PostgreSQL and MongoDB clusters, optimizing query performance and replication strategies.
• Configured distributed storage systems (SeaweedFS, MinIO) to ensure high availability and data durability.
• Conducted load testing and capacity planning to support system growth, increasing throughput 2.5×.
• Developed dashboards with Grafana and Datadog for real-time observability.
• Standardized logging with ELK Stack and implemented tracing with Jaeger.
• Handled on-call rotations and incident response, resolving critical failures with minimal downtime.
• Improved network and API reliability, reducing errors by 35%.
• Introduced automated self-healing scripts for containerized workloads.
• Mentored junior engineers in SRE best practices and automation.
• Optimized cloud resource usage, reducing infrastructure costs by 28%.
• Participated in architecture reviews to enhance system resilience.
• Integrated Prometheus and OpenTelemetry for service-level monitoring.
• Streamlined backup and recovery processes for critical data.
• Implemented security hardening for servers and network configurations.
• Collaborated with Product and Data teams to define SLIs and SLOs.
• Designed observability workflows to quickly detect anomalies.
• Enhanced alerting thresholds to minimize false positives.
• Conducted performance tuning for high-load applications.
• Led post-incident reviews to identify root causes and preventive measures.

Doodle Labs | Senior Full Stack Engineer Apr 2019 ~ Apr 2022

• Managed cloud-based application infrastructure for high-availability services.
• Automated deployment pipelines with Jenkins and GitLab CI/CD, reducing release times by 35%.
• Configured Kubernetes clusters for containerized services, increasing reliability by 40%.
• Administered PostgreSQL and MongoDB databases, improving performance and failover strategies.
• Built monitoring dashboards and alerts using Grafana and Prometheus.
• Implemented logging and observability practices across multiple services.
• Conducted capacity planning to support application scaling.
• Automated routine server tasks, saving 15+ hours/week.
• Participated in on-call rotations and incident response.
• Introduced network optimizations to improve API response times by 20%.
• Integrated distributed file systems to support large-scale data storage.
• Developed Go scripts for operational automation and system checks.
• Enhanced CI/CD workflows with automated tests and rollback strategies.
• Mentored team members on infrastructure best practices.
• Collaborated with cross-functional teams to define SLIs/SLOs.
• Standardized container security and deployment processes.
• Optimized system performance during peak loads, increasing stability by 25%.
• Reviewed architecture for scalability and disaster recovery.
• Implemented observability solutions to reduce incident detection time.
• Conducted load testing and tuning to handle increased traffic efficiently.

Wise | Full Stack Engineer May 2015 ~ Feb 2019

• Deployed and maintained Linux servers supporting client applications.
• Configured Docker environments for development and production.
• Assisted in database administration and performance optimization.
• Automated repetitive operational tasks, reducing manual effort.
• Monitored systems with Zabbix and Grafana, improving incident response.
• Participated in capacity planning and load testing for critical applications.
• Collaborated with Product and Design teams to align infrastructure with business needs.
• Improved deployment pipelines to minimize downtime.
• Implemented logging and alerting for critical services.
• Maintained distributed storage systems and network configurations.
• Conducted post-incident reviews to prevent recurrence.
• Optimized server performance and resource utilization.
• Assisted in Kubernetes and container orchestration initiatives.
• Developed scripts for automating infrastructure tasks.
• Contributed to architecture discussions for scalable system design.

Education

National University of Singapore Aug 2009 ~ Jul 2013

Bachelor’s Degree in Computer Science

Skills

Infrastructure & Systems

• Linux Administration, Server Troubleshooting, Networking, REST APIs
• Distributed File Systems: SeaweedFS, Gluster, MinIO
• Containerization: Docker, Kubernetes, Helm
• Automation & Orchestration: Ansible, GitLab CI/CD, Jenkins, Go scripting

Databases & Storage

• PostgreSQL (Patroni, PgBouncer), MongoDB
• Database Performance Tuning, Query Optimization, Backup & Recovery

Monitoring & Observability

• Prometheus, Grafana, Datadog, Zabbix, ELK Stack, Jaeger, OpenTelemetry
• SLI/SLO/SLA definition, Alerting, Log Aggregation, Metrics Collection

Cloud & DevOps

• AWS, GCP, Cloud Resource Provisioning, Load Testing, Cost Optimization
• CI/CD Pipelines, Automated Deployments, Toil Elimination

Collaboration & Tools

• Agile/Scrum, Jira, Confluence, Slack
• Cross-functional teamwork with Product, Design, Data, Security, Compliance