Legacy App Modernization in Seoul, KR
ZTABS delivers professional legacy app modernization for Seoul businesses — including incremental modernization, business logic preservation, data migration. Serving Gaming, Semiconductor Tech, E-commerce companies in Seoul, KR.

ZTABS provides legacy app modernization services in Seoul, KR — including incremental modernization, business logic preservation, data migration, and more. We work with Seoul businesses across Gaming, Semiconductor Tech, E-commerce using technologies like Next.js, React, Node.js.Get a free consultation →
Legacy App Modernization Capabilities for Seoul
Our legacy app modernization team delivers a full range of capabilities tailored to Seoul's Gaming and Semiconductor Tech sectors:
- ✓Incremental Modernization
Modernize one module at a time — reducing risk, delivering value early, and keeping the business running throughout.
- ✓Business Logic Preservation
We extract and document the business rules embedded in legacy code so nothing gets lost in the new system.
- ✓Data Migration
Migrate from legacy databases (Access, FoxPro, SQL Server) to modern PostgreSQL or cloud-managed databases.
- ✓API Layer Design
Build modern REST or GraphQL APIs that let the new system talk to legacy components during the transition period.
- ✓Automated Testing
Create comprehensive test suites that verify the new system behaves identically to the old one for every critical workflow.
- ✓Cloud Deployment
Deploy the modernized application on AWS, Azure, or Vercel with CI/CD pipelines, monitoring, and auto-scaling.
Our Legacy App Modernization Process
Each phase includes clear deliverables and Seoul stakeholder reviews. See our full process →
Tech Stack for Seoul Legacy App Modernization Projects
Why Seoul Businesses Choose ZTABS for Legacy App Modernization
Seoul (a global leader in gaming and semiconductor tech, population 10 million) is home to thriving Gaming, Semiconductor Tech, E-commerce sectors — each with distinctlegacy app modernization needs. Gaming companies need game engines, esports platforms, and live service infrastructure. Semiconductor firms require design automation, yield management, and IoT software. E-commerce needs marketplace and logistics platforms for Korea's dense urban delivery. AI companies need ML infrastructure and deployment for enterprise applications.
Seoul is a global leader in gaming (home to major game publishers), semiconductor technology (Samsung, SK), and e-commerce. The city has emerged as an AI hub with strong government investment. Chaebols and startups coexist in an ecosystem driving innovation in gaming, hardware-software integration, and consumer tech.
World's highest broadband penetration and tech adoption. Strong government support for AI and tech innovation. Samsung and SK create ecosystem effects. Highly educated workforce. Korea's export orientation drives software for global products. Competitive market demands high quality and speed.
Legacy App Modernization for Seoul's Key Industries
Each of Seoul's core sectors has specific legacy app modernization requirements. We build solutions tailored to these industry needs:
Gaming
Seoul's gaming companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.
Semiconductor Tech
Seoul's semiconductor tech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.
E-commerce
Seoul's e-commerce companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.
Legacy App Modernization for E-commerce →AI
Seoul's ai companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.
How We Work With Seoul Businesses
Our distributed engineering team delivers the same quality and responsiveness as a local partner. World's highest broadband penetration and tech adoption. Strong government support for AI and tech innovation. Samsung and SK create ecosystem effects. Highly educated workforce. Korea's export orientation drives software for global products. Competitive market demands high quality and speed.
Timezone-Aligned Availability
Our team schedules overlap with Seoul's your local time business hours for real-time standups, reviews, and demos.
Dedicated Project Manager
A single point of contact who understands your business context and Seoul's market.
Transparent Communication
Daily async updates, weekly video calls, and shared project boards keep you informed at every stage.
Built for Seoul's Industries
We understand Seoul's key sectors — Gaming, Semiconductor Tech, E-commerce — and build solutions tailored to their requirements.
Frequently Asked Questions
Common questions about legacy app modernization in Seoul
We offer end-to-end legacy app modernization for Seoul businesses: incremental modernization, business logic preservation, data migration, api layer design. We use technologies like Next.js, React, Node.js to build solutions tailored to Seoul's key industries — Gaming, Semiconductor Tech, E-commerce.
Related Services
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Legacy App ModernizationLearn more about our legacy app modernization services nationwide.
Next.jsNext.js transforms web applications into high-performance, SEO-friendly platforms that drive user engagement and boost conversion rates. Leverage its capabilities to streamline your development process and accelerate time-to-market, ensuring your business stays ahead of the competition.
ReactHarness the power of React to accelerate your development process, enhance user experiences, and drive ROI. With its component-based architecture, React allows businesses to build dynamic applications that are both scalable and maintainable, ensuring long-term success in a competitive landscape.
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Legacy App Modernization Project?
Partner with ZTABS for expert legacy app modernization in Seoul. Get a free consultation today.