Vocheo
A spoken English practice app designed to help learners improve through listening, speaking, repetition, and focused practice.
Hi, I’m
Lucas Xie
Independent Software Developer & Product Builder
I build and ship small, practical products — from language-learning apps to AI-assisted tools and web utilities.
Shipping real products
Apps, backends, and practical tools
Featured Projects
View all projectsLearning Platform Backend
A Spring Boot backend project for a structured learning platform, covering courses, lessons, media assets, and admin workflows.
MinReply
A lightweight app for saving, organizing, and reusing useful AI-generated replies.
WeFmt
A Markdown-to-WeChat formatting tool for turning structured writing into clean WeChat Official Account content.
Featured Book
View all books英語句子的思維模型
A Traditional Chinese ebook about understanding English sentence structure through existence, relationships, and time.
View on AmazonAbout Me
I’m an independent software developer with 14 years of experience building backend systems, mobile apps, and practical web products.
I build and ship focused tools for language learning, writing productivity, and AI-assisted workflows.
Learn More About MeSelected Writing
View all articlesJun 3, 2026
How I Built Vocheo: From Idea to App Store
A behind-the-scenes story of how I turned a personal spoken English learning need into a real iOS app.
Read MoreJun 3, 2026
My Workflow as an Independent Developer
A look at how I organize ideas, build focused products, use AI as a development partner, and turn small problems into shipped tools.
Read MoreJun 3, 2026
English Learning: Input, Output, and Thinking
A personal reflection on how input, output, and structured thinking work together to turn English from isolated knowledge into a usable system.
Read MoreLet’s build something useful.
I’m open to remote opportunities, thoughtful collaborations, and conversations around software, AI-assisted tools, and language learning.