Branch Banking Operations (TTB Bank)
Develop and maintain Java/Spring Boot branch banking APIs, automated API tests, SIT/UAT releases, and production issue investigation with ELK and Dynatrace.
Available for software engineering roles
Katakarn Supserm — Software Engineer
Building end-to-end web and mobile solutions across banking and enterprise projects.
Bangkok · Remote‑friendly
Frontend + Backend
3+ years experience
Software Developer
Katakarn Supserm
- Backend + Frontend
- API documentation & testing
- Infra-aware delivery
- Comfortable with AI tools
Work Experience
Odd-e (Thailand) Co., Ltd. · May 2022 – Present
Election69 Results Web (dailynews)
Built Scala/Spring Boot APIs and batch jobs, integrated external election data, and delivered React + TypeScript visualizations with Vite.
Silpakorn Smart Plus
Built native student apps, a React admin portal, a Flutter merchant app, Golang APIs, and Python/Airflow batch jobs with Redis and Kafka.
Thai Life Insurance App
Developed reusable React Native UI components for consistent mobile app design and faster delivery.
SX Expo (Thaibev)
Contributed to event management software with Golang backend and React admin + attendee web apps.
About Katakarn
Software Engineer with 3 years of experience delivering end-to-end web and mobile solutions across banking and enterprise projects. I work across frontend and backend, building user-facing apps and the APIs behind them, with hands-on experience in testing, documentation, deployment, and production support.
Strengths
End-to-end delivery, API design, documentation, and production support.
What I bring
- Frontend + backend delivery with clean APIs.
- Reliable testing, documentation, and collaboration.
- Production support and infrastructure awareness.
- AI-assisted workflow with ChatGPT, Claude, Gemini, and Codex.
Skills & Tools
Core stack across software development and infrastructure.
Languages & Frameworks
JavaScript
TypeScript
Java
Scala
Golang
Python
React
Angular
React Native
Flutter
iOS
Android
Backend & APIs
Spring Boot
OpenAPI / Swagger
Postman Tests
Infrastructure & Data
Kubernetes
Docker
Helm
GitLab CI
Argo CD
HAProxy
Istio
Kafka
Redis
Airflow
MinIO
PostgreSQL
MongoDB
Agile / Scrum
Oracle
AI Tools
ChatGPT
Claude
Gemini
Codex
OpenClaw
Gamma
Stitch
Figma Make
Cursor
Anti-Gravity
Let’s build something reliable
I’m open to full‑time roles. Tell me about your team, your product, and what you want to ship next.
Quick notes
- Preferred roles: Software Engineer, Backend Engineer, Frontend Engineer
- Location: Bangkok or Remote
- Availability: Immediate / flexible