cv

The Degree of Engineer

Posts and Telecommunication Institute of Technology, Ho Chi Minh, Viet Nam

Software Development

Senior DevOps Engineer

VSOL | Ho Chi Minh, Vietnam / Riyadh, Saudi Arabia

Maintenance 4 legacy projects and setup 3 new projects.

• Refactored CI/CD pipelines for multiple projects on Azure DevOps, utilizing reusable templates for builds (Java, .NET, Ruby) and deployments (Docker on VM, GCP CloudRun, APIGee Proxies, Azure Function, Azure Container, Azure Static WebApp).
• Re-configured security for APIGee proxies to enhance system integrity.
• Contributed to setting up a new infrastructure Landing Zone on Azure Cloud.
• Researched and configured Zammad Self-Hosted to increase performance and reduce operational costs.
• Migrated pipelines from Azure DevOps to GitHub Actions workflows.
• Provided deployment and technical consultancy for clients on short-term projects.
• Monitored and troubleshot production issues, ensuring system reliability.
• Onsite in Riyadh, Saudi Arabia for shipping the production for client.

Site Reliability Engineer

Inspirelab

Recognizing my passion for system administration and leveraging my experience from my freelance project, I transition to new position, where I managed infras of new project. I have to learn a lot of new things by 200% of my powers. I susccessful setup infrastructure DEV / PROD environment on Google Cloud Platform.

• Developed Terraform code from scratch to manage resources including VPC Network, IAM, GKE, GCE, Storage, Secret Manager, KMS, CloudRun, CloudCDN, LoadBalancing, CloudSQL, CloudFunctions and Cloudflare DNS records.
• Defined and implemented Git workflows for development teams, improving collaboration and code quality.
• Utilized GitLab CI/CD to build an automated system for application delivery and deployment.
• Created Helm charts to manage configurations and deploy Golang applications, with built-in sidecars for service mesh (Istio, Linkerd), Redis, and DataDog.
• Developed internal shell scripts to streamline local environment setup for Backend Developers and manage access permissions for dev environments and internal applications.
• Monitored GCP resources to optimize workloads per node and reduce infrastructure costs.
• Researched OpenObserve as a potential DataDog alternative for cost optimization.
• Contributed to the architecture of Backend Systems.

Back End Developer

Inspirelab

Due to a change in company direction, I transitioned to a Backend Developer role, where I maintained two critical projects.

• Developed and maintained features using Java (17).
• Maintained and developed new features for an Initial Coin Offering (ICO) system.
• Implemented a user referral feature to drive engagement.
• Developed a cryptocurrency prize pool feature for a game portal.
• Fixed critical bugs within the forgot password feature, enhancing user security and experience.

Android Leader

Inspirelab

Form new Android team with 2 members to build super application for gaming platform.

• Structured the architecture for a super application tailored for a gaming platform (similar to Grab).
• Managed and assigned tasks to a two-member Android development team.
• Developed a blockchain payment SDK for in-app integration.

Android Developer

Vitalify Asia

Maintenance and develop outsoure projects

• Maintained a Golf Club application.
• Developed a new healthcare application that syncs data from healthcare devices via BLE.
• Maintained and restructured the new version of an ads ecosystem SDK for simpler integration and high-performance, communicating with devices via BLE.
• Developed a new plugin SDK for applications built with Cordova.

Android Developer

Finance Technology Solutions

Develop new features

• Developed trading views and charts for a cryptocurrency application, including Stockchart features (time-line, k-line, MACD, KDJ, RSI).

Fullstack Developer

Horical

Maintenance a outsoure project and develop 2 product projects

• Maintenance a car fixing service application.
• Develop a Coffee-shop management system.
• Develop an ERP client android application.