Woochan Park

iOS Engineer

I build apps people love.
I care deeply about usability, architecture, and performance.

Experience

Finda

Aug 2022 - Present

Loan comparison platform · Financial Products Team

Product flow design and delivery

  • Designed and implemented end-to-end flows for loan comparison services, including mortgage loans, Kbank business loans, and the KB Kookmin Bank dedicated product experience.
  • Defined Native-Web interfaces in a WebKit-based hybrid environment and worked closely with frontend engineers to keep navigation and data flow consistent.

Architecture and modularization

  • Designed a Tuist-based multi-module architecture and contributed to building a structure with 120+ modules.
  • Controlled compile-time dependency direction by defining screen-level module boundaries and separating interfaces from implementations.
  • Migrated legacy MVC code to a ReactorKit-based MVI structure to improve state management consistency and maintainability.
  • Improved testability and extensibility through clear layer separation based on Clean Architecture.

Performance and reliability

  • Analyzed Swift compiler logs, identified type-checking bottlenecks, and reduced build time by 20%.
  • Improved inefficient communication across HTTP sessions and reduced network latency by up to 36%.
  • Resolved 15 memory leaks and documented prevention guidelines to improve app stability.
  • Reduced incident response time by integrating Sentry-based error detection with Slack alerts.
  • Maintained 95%+ unit test coverage for key features.

AI adoption and developer productivity

  • Designed a shared AGENTS.md and Skills structure for the team to standardize development workflows and improve productivity.
  • Automated repetitive workflows and reduced development lead time by up to 80% per task. (1.4md → 0.3md)
  • Built an n8n-based issue triage automation system to improve operational efficiency.