# ZayYarNaing

> Software Engineer / DevOps Engineer. I'm a senior software engineer with a DevOps focus and a strong full-stack background. I build reliable systems end to end, from designing web applications and RESTful APIs to automating infrastructure as code, running zero-downtime CI/CD pipelines, and operating scalable, well-monitored cloud platforms.

## Links
- [GitHub](https://github.com/ZayYarNaing98): github.com/zayyarnaing
- [LinkedIn](https://www.linkedin.com/in/zay-yar-naing-b76399255): linkedin.com/in/zayyarnaing
- [Email](mailto:zayarnaing.pp@gmail.com): zayarnaing.pp@gmail.com
- [X](https://x.com/ZayYarN81868814): @zayyarnaing

## Experience
### Senior Software Engineer — AcePlusSolutions Company Limited (Jun 2023 – Present · Yangon, Myanmar)
- Built RESTful APIs for web and mobile applications, and deployed and maintained modern web apps.
- Built a CI/CD pipeline with Ansible for containerized APIs using blue/green environments for zero-downtime deployments.
- Used Docker and Linux for containerization and efficient application deployment in an Agile Scrum team.
- Developed monitoring and observability solutions with New Relic and Grafana.
- Generated infrastructure diagrams from existing Terraform code, improving visibility and collaboration.
- Identified and remediated critical security vulnerabilities uncovered during penetration testing.
- Made technical decisions, refactored code, and provided code reviews and feedback to team members.
- Mentored junior developers and standardized team coding practices.

### DevOps Engineer — Hivelocity (APS outsourced services) (Aug 2024 – Sep 2025 · Japan)
- Managed high-traffic fan event platforms on AWS, delivering instant, reliable access during major releases.
- Built a resilient CI/CD pipeline for containerized APIs with blue/green deployments for zero-downtime releases.
- Contributed to migrating microservices and Hivelocloud API servers from EC2 to a containerized architecture, boosting performance and scalability.
- Supported the transition to Aurora Serverless, improving database scalability and data retrieval performance.
- Automated deployment and maintenance workflows with Python, Terraform, and Ansible, and produced infrastructure diagrams from existing Terraform code.
- Integrated Slack ChatOps with AWS ECS APIs for real-time deployment control and monitoring.
- Redefined SLOs with New Relic and set up proactive Slack alerting, improving incident response times.
- Designed load testing benchmarks and defined SLI/SLO metrics for new microservices.

### Software Engineer — Leaptechnology (Dec 2024 – Sep 2026 · Singapore (Remote))
- Developed an integrated management software system for interior design companies.
- Built RESTful APIs using Laravel with a Domain-Driven Design (DDD) architecture.
- Resolved critical security vulnerabilities identified during a penetration test.
- Made key technical decisions, performed code refactoring, and reviewed code for team members.

## Skills
- **Languages**: TypeScript, JavaScript, PHP, Python, SQL, Bash
- **Frontend**: React, Next.js, HTML / CSS, Tailwind CSS, Bootstrap, Sass, jQuery, Vite, Webpack
- **Backend**: Laravel, Node.js, REST API, GraphQL, Domain-Driven Design, PostgreSQL, MySQL
- **Infrastructure**: Docker, Kubernetes, AWS, GCP, DigitalOcean, Linux / Ubuntu, Nginx, Apache, Terraform, Ansible
- **CI/CD & Observability**: GitHub Actions, CircleCI, Blue/Green Deployments, New Relic, Grafana, Uptime Kuma, SLI / SLO
- **Tools**: Git, GitLab, Jira, Blue, Agile Scrum