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JoinX (formerly TWJOIN) is a custom software and AI development company founded in 2016, with 80+ team members across Taipei, Taichung, Kaohsiung, and Tokyo.
We have delivered 520+ projects for 230+ clients — from listed enterprises to startups — with a 99.8% launch rate, backed by ISO 27001:2022 certification.
What we do:
- Custom software development: web, mobile apps (iOS/Android), enterprise systems, SaaS platforms, UI/UX design, system integration, and long-term maintenance
- AI implementation: GenAI, LLM, RAG, and AI Agent development; AI workflow automation; integrating AI into existing systems
- Technical consulting: architecture planning, code review, and CTO-level decision support
Industries: fintech (our largest practice), logistics & warehousing, e-commerce & retail, education, energy management, media & social platforms, and the public sector.
Our Tokyo subsidiary provides native Japanese-language account management with delivery by our Taiwan engineering team — a proven offshore model for Japanese enterprises.
Think. Build. Deliver. With AI.
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Min project size
$10,000+
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Hourly rate
$25 - $49 / hr
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Employees
50 - 249
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Locations
Taipei City, Taiwan
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Year founded
Founded 2016
2 Locations
- Taipei City , Taiwan
- Taichung , Taiwan
Service Lines
- Web Design
- 10%
- Web Development
- 10%
- Computer Engineering
- 5%
- UX/UI Design
- 5%
Select Focus Area
Industries
- Consumer products & services
- 10%
- Education
- 10%
- Financial services
- 10%
- GPS, Navigation & GIS
- 10%
- Government
- 10%
- Information technology
- 10%
- eCommerce
- 10%
- Advertising & marketing
- 5%
- Automotive
- 5%
- Business services
- 5%
- Hospitality & leisure
- 5%
- Media
- 5%
- Other industries
- 5%
Clients
- Enterprise (>$1B)
- 40%
- Midmarket ($10M - $1B)
- 40%
- Small Business (<$10M)
- 20%
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Our Story
We are TWJOIN (哲煜科技), founded 2016 and grown to 70+ engineers. Our mission: apply Taiwan craftsmanship to build global‑grade digital applications. Team expertise spans Web, native & cross‑platform apps, AI, FinTech, IoT, cloud, API and hardware integrations. Values: technical rigor, learn‑fast culture, client partnership, security and sustainability. Hundred+ projects, ISO27001, FT Asia‑Pacific 500 recognition, Taiwan & Japan market footprints.
Locations (2)
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