← Back to site

Chananon Jankaew

Software Engineer

Summary

Software engineer who builds Java and Spring Boot services for banking, now at SCB on the Smart Teller application for bank branch operations. Outside work I build AI tools end to end, from Gemini pipelines to Cloud Run deploys, and write, produce and sing my own music.

Experience

  1. Mid Level Software Engineer

    Jul 2025 – Present

    The Siam Commercial Bank (SCB)

    Smart Teller Desktop Application

    • Developed and maintained the Smart Teller Desktop Application for bank branch operations using Java, Spring Boot, and MVC Framework.
    • Enhanced application functionality through Spring Boot microservices and optimized SQL queries/database operations.
    • Analyzed business requirements, designed system architecture, and created functional/technical specifications and system documents.
    • Conducted software maintenance, testing, and troubleshooting to ensure high system stability.
    • Applied Agile methodologies for adaptive project development.

  2. Mid Level Backend Developer

    Jun 2024 – Jun 2025

    Hitachi Vantara (Thailand) Co., Ltd.

    Smart Teller Desktop Application

    • Developed and maintained the SCB Smart Teller Desktop Application for bank branch operations using Java and Spring Boot.
    • Enhanced application functionality through microservices development and API integrations.
    • Conducted software maintenance, bug fixing, and unit/integration testing for system stability.
    • Collaborated with System Analysts and cross-functional teams for high-quality deliverables.
    • Applied Agile methodologies for adaptive project development.

  3. Analyst Programmer

    Jan 2023 – Jun 2024

    CODE-D789 Co., Ltd. (a subsidiary of Hatari Wireless)

    Academy Web Portal

    • Designed and developed full-stack web features and backend API services.
    • Performed system, integration, and unit testing to ensure product stability.
    • Collaborated effectively with System Analysts and Product Owners in an Agile environment.

    SCB Smart Teller

    • Developed and maintained desktop application modules for branch tellers using Java/C#.
    • Resolved software defects and optimized operational performance.
    • Collaborated closely with System Analysts to meet technical requirements.

    Krungsri Biz Online Laos – CR Audit Issue

    • Implemented software enhancements and patched system vulnerabilities to resolve audit compliance issues.
    • Executed unit, integration, and regression testing for financial transaction workflows.
    • Collaborated with Software Engineers and System Analysts to ensure compliance standards.

    Krungsri Biz Online Laos – Ripple Project

    • Developed web application and backend features based on banking business requirements.
    • Liaised with System Analysts and developer teams on API integrations and schema design.
    • Conducted unit and integration testing to support smooth deployment.

  4. Accountant Intern

    Dec 2019 – Feb 2020

    Mazars

    • Prepared tax reports and submitted PND 3 & PND 53 forms using the Revenue Department e-filing system (Rdinet).
    • Utilized Xero accounting software to record and reconcile financial accounts.

Selected projects

  • MANTRANSLATED · Python, FastAPI, Gemini, Cloud Run, Cloud Storage, Firebase

    AI tool that reads the text off manga, manhwa and manhua pages and turns a whole chapter into a bilingual .txt file.

Skills

Frontend
React, Next.js, TypeScript, Tailwind CSS, C# .NET Desktop (MVC)
3D / Creative
Three.js, React Three Fiber
Backend
Spring Boot, Java, Node.js, Express, Python, FastAPI
Database
PostgreSQL, MySQL, SQL Server, MongoDB
DevOps
Docker, GitHub Actions, Vercel, AWS
Tools
Git, VS Code

Education

Bachelor of Accountancy, Thaksin University

2016 – 2020

Beyond code

Singer-songwriter and producer: vocals, guitar and piano, with original releases and covers on Spotify · YouTube