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 – Present

Cloud Infrastructure & DevOps

AWSTerraformGitHub ActionsVercel
  • 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

KubernetesGitHub ActionsGitLab CIDockerArgoCD
  • 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)

AngularSpring BootNode.js
  • 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 2025

Legal Documents Management System

ReactJSNestJSTypeScript
  • 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 2024

Human Resource Management System

Next.jsSupabaseTypeScript
  • 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

Next.jsStrapiTypeScript
  • Maintained and enhanced a legacy codebase while improving page load performance and implementing new client-requested features.

E-Commerce Product Data Scraper

JavaScript
  • 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 2024

E-Office Platform: 3 Internal Systems (User Management, Help Desk, IT-Clinic)

NestJSVueJSTypeScript
  • 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

TypeScriptJavaScriptGoJavaHTMLCSSSQL

Frameworks

NestJSSpring BootEchoNext.jsReactJSVueJSAngular

Database

PostgreSQLMySQLOracleRedis

DevOps

AWSKubernetesArgoCDDockerTerraformGitHub ActionsGitLab CIVercel

Other

GitnginxTailwind CSSSupabaseJira

//Education

Burapha University

2021 – 2025

B.S. in Computer Science (First Class Honors)

GPA 3.86

Relevant coursework

Web DevelopmentDatabase SystemsData Structures & AlgorithmsCloud ComputingData Engineering

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.