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Lead Fullstack Engineer

Freelance & Open Source

2021 - Present

Tech Stack Used

KotlinKotlin MultiplatformNuxt.jsSpring BootPostgreSQLDocker

Role Overview

Leading technical strategy for complex POS implementations and maintaining mission-critical Kotlin libraries for thermal printing technologies.

Key Achievements

  • Designed, implemented, and maintained the Printer-ESC-POS library with 100+ forks and active application integrations.
  • Architected enterprise-grade cross-platform POS systems, reducing syncing latency by 45%.
  • Configured custom microservice APIs on Spring Boot, managing secure OAuth2 flows and webhooks integrations.