s-tyd
s-tyd icon

Hello, I'm s-tyd.

Mobile Application Engineer

With deep knowledge of Flutter, I drive products from zero to launch and continuous growth.

Get in touch

Career

Aug 2023 – Present
Current primary role
Flutter
iOS
Android
GitHub
Git
Mobile Application Engineer, SNPIT
9+ members
As a full-time Flutter engineer, I own feature design, implementation and store operations, continually improving the experience for a broad user base. See the official site for details.
Jan 2025 – Apr 2025
Dify
Qdrant
AWS
Python
Redmine
RAG System with Qdrant × Dify
1 members
Designed and delivered an RAG system that combines vector search and generative AI, covering everything from data platform to front-end.
Sep 2024 – Dec 2024
Dify
SlackBot
SlackBolt
Python
Workflow Automation with Dify
1 members
Deployed an in-house QA bot on our own server using Slack Bolt over WebSocket, fully automating question handling. Documented and rolled out LLM best practices company-wide.
Jul 2024 – Dec 2024
Flutter
MAC
Mac Payroll Application
1 members
Gathered input directly from the HR team and shipped a payroll app in six months, significantly reducing processing time.
Jun 2022 – Dec 2023
Flutter
iOS
Android
GitHub
Git
Lead Mobile Engineer – Field Operations App
4–8 members
Planned and developed a mobile app that centralizes on-site operations from the ground up. As a core startup member, I owned architecture design, CI/CD pipeline setup, and end-to-end app-store release—delivering both rapid development and high quality.
Apr 2021 – Mar 2024
Flutter
iOS
Android
GitHub
Git
Lead Mobile Engineer, KiwiGO
9+ members
Bootstrapped the app from scratch and led it to stable B2B-SaaS operation as mobile lead.
Oct 2019 – Mar 2021
Python
GitHub
Git
Python Developer
2–3 members
Developed a serverless B2B web service with Python.
Mar 2018 – Sep 2019
Python
Data Analyst
4–8 members
Built big-data pipelines on Azure and enabled data-driven decision-making.

Skills

Flutter Expert

  • •Design and build apps from scratch for both enterprise and consumer stores.
  • •Switch between Provider, Riverpod and other state-management patterns to suit product needs.
  • •Rapid MVP delivery using Firebase, RevenueCat and various SDKs.
  • •Experience with desktop and multi-platform deployment.

Full-stack Mobile Development

  • •Lead the entire flow from UX research and design to post-release growth.
  • •CI/CD with GitHub Actions—significantly reducing deploy times.
  • •Extensive App Store and Google Play release experience and instant handling of review issues.

Automation & Python

  • •Link Dify with Slack to fully automate internal workflows.
  • •Build serverless B2B web services with Python & AWS.
  • •Visualize business KPIs via large-scale analytics on Azure Databricks.

Team Leadership

  • •Manage 3–8-member development teams across tech and product.
  • •Bridge design, QA and business sides to achieve overall optimization.