Hi, my name is
Than Chayawik
Full-Stack Software Engineer
Full-stack software engineer with experience across web development, cloud infrastructure, and DevOps. I build and ship production systems with React, Next.js, Spring Boot and NestJS while managing AWS infrastructure with Terraform and CI/CD pipelines. I enjoy working in international, cross-cultural teams.
//About
Full-stack software engineer with experience across web development, cloud infrastructure, and DevOps. I build and ship production systems with React, Next.js, Spring Boot and NestJS while managing AWS infrastructure with Terraform and CI/CD pipelines. I enjoy working in international, cross-cultural teams.
//Experience
Junior Software Engineer · Onify Company Limited
May 2025 – PresentCloud Infrastructure & DevOps
- Provision and manage cloud infrastructure on AWS (VPC, ECS, ECR, RDS, ALB, Route53) using Terraform for repeatable, version-controlled deployments across 3 environments (Staging, UAT, Production).
- Build and maintain CI/CD pipelines with GitHub Actions, enabling zero-downtime deployments with 3–5 releases per week.
- Deploy Next.js applications on Vercel and manage application secrets securely.
Government Social Welfare Platform
- Design and maintain CI/CD pipelines with GitHub Actions and GitLab CI for 5 microservices (Spring Boot + React), using change detection to selectively build and deploy only affected services.
- Implement a GitOps workflow with ArgoCD and a dedicated infrastructure repo, automating Kubernetes manifest generation and achieving zero-downtime deployments.
- Build multi-stage Docker images for Java and React services, including gzip pre-compression of frontend assets for optimized delivery via nginx.
- Optimize Dockerfiles by splitting dependency install into a dedicated layer to leverage Docker layer caching, reducing build times by ~70%.
- Manage GitHub-to-GitLab monorepo sync using git subtree, maintaining separate service repos for controlled release branching across Dev, UAT, and Production.
- Set up HTTPS reverse proxy bridging for secure communication between internal services and external government APIs.
Hospital Information System (HIS)
- Develop Angular frontend features based on Figma designs from the UX/UI team, implementing complex business logic defined by Business Analysts.
- Manage and maintain a microservices backend built with Spring Boot and Node.js.
- Collaborate within a 15-member cross-functional team of frontend developers, backend engineers, BAs, and UX/UI designers.
Developer Intern · Bluebik Vulcan Company Limited
Nov 2024 – Mar 2025Legal Documents Management System
- Collaborated with Systems Analysts to design features and translate requirements into implementation.
- Built reusable UI components to improve consistency and reduce duplication across the application.
- Wrote comprehensive unit tests to ensure code reliability and prevent regressions.
Full-Stack Developer Intern · Trienpont International
Apr 2024 – Sep 2024Human Resource Management System
- Gathered requirements directly from HR stakeholders and collaborated with Senior Engineers to architect the solution.
- Designed an optimized PostgreSQL schema with stored procedures for complex query logic.
- Built a responsive, server-side rendered UI for improved performance and SEO.
- Developed a custom Slack bot for daily standup reporting and leave requests, letting staff interact with internal tools directly from Slack.
Crypto Game Reviews & News Platform
- Maintained and enhanced a legacy codebase while improving page load performance and implementing new client-requested features.
E-Commerce Product Data Scraper
- Reverse-engineered website APIs and built an automated data pipeline with cron jobs to extract and export product data to CSV for analytics.
Full-Stack Developer Intern · Computer Center, Burapha University
Apr 2023 – Mar 2024E-Office Platform: 3 Internal Systems (User Management, Help Desk, IT-Clinic)
- Independently built three internal web applications end-to-end after gathering requirements from university administrative staff.
- Integrated APIs with the university's complex legacy user database, ensuring secure access and optimized query performance.
- Delivered all three systems on schedule as the sole developer, resolving technical challenges through self-directed research.
//Skills
Languages
Frameworks
Database
DevOps
Other
//Education
Burapha University
2021 – 2025B.S. in Computer Science (First Class Honors)
GPA 3.86
Relevant coursework
Languages
- ThaiNative
- EnglishB1 (TOEIC 690)
//Contact
Let's build something.
Open to full-stack and DevOps roles. The fastest way to reach me is email.