I help turn early-stage ideas into working products, especially when requirements are still unclear. I often work with founders and non-technical clients to clarify scope, user flow, and technical direction first—before jumping into development. I translate business inquiry into clear business requirements, then into practical technical functional requirements, so architecture, scope, and trade-offs are explicit from day one. My preferred approach is staged delivery: starting with a functional prototype or MVP to validate direction early, then expanding only where it creates real value. This keeps expectations clear, reduces risk, and allows teams to move fast without overbuilding. I’ve built and shipped IoT and mobile applications—from concept to production—and I’m comfortable bridging real-world business needs with hands-on technical execution.…

Daniel Park

I help turn early-stage ideas into working products, especially when requirements are still unclear. I often work with founders and non-technical clients to clarify scope, user flow, and technical direction first—before jumping into development. I translate business inquiry into clear business requirements, then into practical technical functional requirements, so architecture, scope, and trade-offs are explicit from day one. My preferred approach is staged delivery: starting with a functional prototype or MVP to validate direction early, then expanding only where it creates real value. This keeps expectations clear, reduces risk, and allows teams to move fast without overbuilding. I’ve built and shipped IoT and mobile applications—from concept to production—and I’m comfortable bridging real-world business needs with hands-on technical execution.…

Available to hire

I help turn early-stage ideas into working products, especially when requirements are still unclear.

I often work with founders and non-technical clients to clarify scope, user flow, and technical direction first—before jumping into development.

I translate business inquiry into clear business requirements, then into practical technical functional requirements, so architecture, scope, and trade-offs are explicit from day one.

My preferred approach is staged delivery: starting with a functional prototype or MVP to validate direction early, then expanding only where it creates real value. This keeps expectations clear, reduces risk, and allows teams to move fast without overbuilding.

I’ve built and shipped IoT and mobile applications—from concept to production—and I’m comfortable bridging real-world business needs with hands-on technical execution.

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Skills

Experience Level

Node.js
Expert
React Native
Expert
C#
Expert
JavaScript
Expert
Python
Expert
C++
Expert
SQL
Expert
TensorFlow
Expert
AWS
Expert
Docker
Expert
Google Cloud
Expert
Keras
Expert
PyTorch
Expert
Web Design
Expert
Kubernetes
Intermediate
Azure
Intermediate
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Language

Korean
Fluent
English
Fluent

Work Experience

Sr. Full-Stack Engineer / IoT & SaaS Platform Architect at CloudBIZ App Systems Inc.
August 1, 2014 - Present
Designed and built end-to-end IoT and SaaS systems, from device integration (NFC/BLE/GPS) to cloud backends and mobile/web apps; led multi-tenant, cloud-based time attendance and payroll platform (TouchTime); developed cross-platform mobile apps (Android/iOS) with React Native; built real-time data pipelines and admin dashboards.
Senior Full-Stack Engineer at ToasterR
June 1, 2019 - December 1, 2021
Built a fully automated cross-border e-commerce and forwarding platform enabling localized payments and logistics orchestration; implemented Stripe cross-border processing and event-driven automation; delivered frontend UX and backend services.
System Software Engineer at Natus Medical Inc.
August 1, 2010 - November 1, 2011
Developed software for wireless EEG/ambulatory sleep study devices, focusing on reliability and real-time BLE communications; validated against FDA QA processes and collaborated with neurodiagnostic engineers to refine clinical workflows.
Software Developer at DMSI
July 1, 2008 - August 1, 2009
Designed scalable industrial 24/7 infrared alarm and monitoring systems; implemented real-time data acquisition, reporting, and HMI solutions; developed C# desktop apps for field operations.
Senior Software Developer / System Architect at Synapse Imaging Ltd.
November 1, 2003 - April 1, 2006
Led the development of a motion-guided, high-precision 3D inspection system for SMT manufacturing; integrated hardware I/O, motion control, and multi-camera subsystems; built data flow and real-time monitoring tools.
Independent Contractor / Project Engineer at Various / Canada & Korea
January 1, 2001 - December 31, 2009
Delivered sensing, inspection, and industrial monitoring systems across infrastructure and automation domains, including LiDAR/GPS interfaces, real-time data capture, SCADA/HMI, and automation workflows.

Education

Bachelor's Degree in Computer Science at Hankuk University of Foreign Studies
January 1, 1989 - January 1, 1989

Qualifications

Intro to Python Programming
January 1, 2008 - January 1, 2008
Technical English Communication
January 1, 2007 - January 1, 2007
Building XML Applications with Visual C#.NET
January 1, 2002 - January 1, 2002

Industry Experience

Computers & Electronics, Software & Internet, Healthcare, Manufacturing, Transportation & Logistics, Professional Services
    paper Projects Showcase
    Project 1 Title End-to-End SaaS & Platform Systems Description Built and shipped multiple production SaaS platforms. Experience includes multi-tenant architecture, APIs, admin dashboards, and cloud deployment. Worked from early PoC to scalable production systems. Focused on clarity, reliability, and long-term maintainability. ⸻ Project 2 Title IoT & Real-Time Device Integration Description Designed IoT systems connecting devices to cloud platforms. Experience with real-time data, telemetry, and control workflows. Worked across protocols, backend services, and operator-facing UIs. Strong focus on reliability in real-world environments. ⸻ Project 3 Title Mobile & Web Applications (Figma → Production) Description Turned design prototypes into working mobile and web applications. Built frontends, backend APIs, and deployment pipelines. Comfortable translating Figma designs into production-ready systems. Delivered clear, usable products end to end. ⸻ Project 4 Title Startup PoC & MVP Development Description Helped early-stage projects clarify scope and direction. Focused on user flow, technical decisions, and staged delivery. Built practical MVPs without over-engineering. Clear communication with non-technical stakeholders.…