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Nextchain Tech

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Yongin-si, South Korea
Custom web, mobile app & AI software development - Korea, Vietnam, Canada, USA.
Nextchain Tech is a software product partner headquartered in Yongin, South Korea, with a delivery center in Ho Chi Minh City (Vietnam) and offices in Coquitlam (Canada) and Dover (USA). We build working products and operational systems for startups and established businesses - not template websites. Our team covers the full lifecycle: discovery, system design and architecture, development in short iterations, testing, launch and long-term operation and maintenance. What we build: - SaaS platforms with subscriptions, roles and permissions, and analytics - Business systems, CRM and admin platforms that replace spreadsheets and manual processes - Customer and partner portals connected to internal workflows - AI-powered applications: AI agents, RAG chatbots trained on company documents, AI image tools and multi-provider AI gateways - iOS and Android apps with React Native, Flutter, Swift and Kotlin, including backend, admin panel and store release - API and system integrations: payments, CRMs, external data sources and crawling - IT consulting: architecture reviews, modernization, takeover of existing systems and AI adoption roadmaps How we work: clients get direct access to the delivery team, a transparent backlog and regular demos, and they own the source code. We run Scrum or Kanban and offer fixed-price or time-and-materials engagements. A typical MVP takes 2-4 months; enterprise platforms take 6-12 months. Tech stack: React, Next.js, TypeScript, Node.js, NestJS, Python, React Native, Flutter, Swift, Kotlin, PostgreSQL, Supabase, AWS, GCP, Vercel and OpenAI/LLM APIs. We work in English, Korean and Vietnamese.
10 people in their team
Speaks English, Korean, Vietnamese
6 projects in their portfolio
Works remotely across the globe
Sortlist member since 2026
Founded in 2023
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Services

5 services offered by Nextchain Tech

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  • Description
    Custom software built end to end: SaaS platforms, business systems, CRM and admin platforms, and customer/partner portals connected to internal workflows. Discovery, architecture, iterative development, launch and long-term maintenance. Stack: React, Next.js, TypeScript, Node.js, NestJS, Python, PostgreSQL, Supabase, AWS, GCP.
    Skills in Software Development (3)
    Software DevelopmentCustom Software DevelopmentEnterprise Software Development
    Works in Software Development (6)
    PartnerIT: Government Support Program Matching Platform - Software Development
    ScholarLearn - AI learning roadmap & coding tutor - Software Development
    Gotax - Accounting services matching marketplace - Software Development
    NextPainter - AI background removal & image editing - Software Development
    Clients in Software Development (2)
    PartnerITSoftware & Computer Services
    NextchainEducation
    Learn more about Software Development
  • Description
    Web applications and SaaS products with subscriptions, roles and permissions, analytics, and integrations (payments, CRMs, external data, crawling). Built with React, Next.js, TypeScript, Node.js/NestJS and PostgreSQL/Supabase on AWS, GCP or Vercel.
    Skills in Web Application (2)
    Web DevelopmentWeb Application Development
    Works in Web Application (6)
    PartnerIT: Government Support Program Matching Platform - Web Application
    ScholarLearn - AI learning roadmap & coding tutor - Web Application
    Gotax - Accounting services matching marketplace - Web Application
    NextPainter - AI background removal & image editing - Web Application
    Clients in Web Application (2)
    PartnerITSoftware & Computer Services
    NextchainEducation
    Learn more about Web Application
  • Description
    AI-powered products: AI agents, RAG chatbots trained on company documents, AI image tools, multi-provider AI gateways and LLM integration (OpenAI and other LLM APIs) into existing systems, plus AI adoption roadmaps.
    Skills in Artificial Intelligence (3)
    Artificial IntelligenceImage generative AIAI Agents
    Works in Artificial Intelligence (5)
    PartnerIT: Government Support Program Matching Platform - Artificial Intelligence
    ScholarLearn - AI learning roadmap & coding tutor - Artificial Intelligence
    NextPainter - AI background removal & image editing - Artificial Intelligence
    24hagent.chat - AI chatbot trained on your documents (RAG) - Artificial Intelligence
    Clients in Artificial Intelligence (2)
    PartnerITSoftware & Computer Services
    NextchainEducation
    Learn more about Artificial Intelligence
  • Description
    iOS and Android apps with React Native, Flutter, Swift and Kotlin, including backend, admin panel and App Store / Google Play release, plus post-launch maintenance.
    Skills in Mobile App (2)
    Mobile AppHybrid Mobile App
    Learn more about Mobile App
  • Description
    UX/UI design for web and mobile products as part of end-to-end delivery: user flows, wireframes and interface design for SaaS, portals, admin systems and apps.
    Skills in Ergonomy (UX/UI) (3)
    Ergonomy (UX/UI)UI UXUX Design
    Works in Ergonomy (UX/UI) (3)
    PartnerIT: Government Support Program Matching Platform - Ergonomy (UX/UI)
    24hagent.chat - AI chatbot trained on your documents (RAG) - Ergonomy (UX/UI)
    NextAPI - Unified AI API Management Platform - Ergonomy (UX/UI)
    Clients in Ergonomy (UX/UI) (2)
    PartnerITSoftware & Computer Services
    NextchainSoftware & Computer Services
    Learn more about Ergonomy (UX/UI)
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Team

10 members in Nextchain Tech's team

StoryNextchain is a multinational software product partner with offices in Yongin (South Korea), Ho Chi Minh City (Vietnam), Coquitlam (Canada) and Dover (USA). We build functional products and operational systems - not template websites - with direct team access and client-owned source code.
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Contact

Contact details of Nextchain Tech

Details

  • Headquarter9 Gangnamseo-ro, Giheung-gu, Yongin-si, Gyeonggi-do, South Korea