Charlie Thanaphansin

Hi.

I'm Charlie - I'm a Product Manager and Engineer with 6+ years of experience leading cross-functional teams to deliver fintech, AI, and SaaS solutions. I specialize in turning complex technical requirements into scalable products that drive user growth and business impact.

Contact me via ✉️ cthanap@gmail.com

Experience

Charlie Product Labs - Founder & Technical Product Manager

2023 – Present

Founded and operate a product development agency serving fintech, AI, and SaaS clients

AI Financial App: Co-led product strategy achieving 30x user growth (10k → 300k users). Led A/B testing for onboarding optimization, improving completion rates by 25%

PayApp Earned Wage Access: Led product design for earned wage access solution, managing regulatory compliance and payment integrations with Plaid

VC Analytics Platform: Led pre-sales engagements and sprint planning with cross-functional teams

Omise - Senior Software Engineer

2022 – 2023

Collaborated with clients and internal teams to define technical requirements and POCs. Designed backend micro-services used across multiple teams while mentoring junior engineers.

Amity - Technical Product Manager

2019 – 2022

Conducted technical demos for enterprise stakeholders, led bi-weekly executive meetings, and created product roadmaps aligned with company objectives. Implemented analytics framework using Mixpanel for data-driven decisions.

Skills

PRODUCT

- Product Strategy

- User Research

- A/B Testing

- Product Analytics

- Roadmapping

- Stakeholder Management

TECH

- TypeScript

- Go

- JavaScript

- SQL

- AWS

- Payment Systems

METHODOLOGIES

- Agile

- Lean Startup

- Design Thinking

- OKRs

What I've built

Kopiloti - B2B SaaS Platform for VCs

Led product strategy and development for community management tools serving venture capital firms. Managed cross-functional team through product delivery and feature iterations.

2024

Product Website Demo VideoProduct StrategyB2B SaaSMulti-tenantAWS

Credit Card Issuing & Processing System

Visa Credit Card Issuing and Management system. Application can handle millions of users and cards, and allows customers to be able to create/use/revoke new credit cards on the fly.

2023 - 2024

Product Website Press ReleaseAWSGoBackendTypeSciptNodeJsMobile

Sport Court Management Web Application

Booking application that manages sport court booking availability with integrated payment system

2021

WebsiteReactTypeScriptGraphQLMicroservicesPostgreSQL

Booking Management System

Meeting room booking platform with >100k active users. Designed, built, and deployed. White-labeled for multiple enterprise clients

2020 - 2022

PTT-OR Space Management True Digital Park Workspace ManagementReactTypeScriptGraphQLDockerMicroservicesPostgreSQL

Date: January 2020 - Present
Status: Live
Active users: > 100,000
What is it: A mobile room booking application with Admin panel and role-based permission layers. Features include: Calendar Booking, Booking with capacity, Custom notification, Booking for others.

This is one of the main projects I've worked on at work. I contributed mostly through designing the front and backend architecture and coding.

The product also has a white label solution that is being used by
1. PTT-OR Space Management: Product Tour Demo
2. True Digital Park Workspace Management: Product Website (live product can only be accessed by tenant of employee working at True Digital Park)

Coffee Gift Subscription

Service that sends gift coffee subscription to your favorite people.

2021

WebsiteWebflowAWSAirtableZapier

Education

Northwestern University Evanston, IL

Bachelor of Arts in Economics, Minor in Business Institutions, and Farley Center Certificate in Entrepreneurship

Fullstack Academy Chicago, IL

Front and Back End Software Development. Computer science theory, algorithms, and practical usage of industry standard tools and libraries