How much does legacy app modernization cost in Berlin?

Project costs vary based on scope and complexity. Typical legacy app modernization projects range from $15,000 for MVPs to $250,000+ for enterprise platforms. Berlin's business environment offers cost advantages compared to coastal tech hubs. We provide a free consultation with a detailed quote.

What is your legacy app modernization process?

Our proven process includes: Legacy System Audit → Modernization Strategy → First Module Rebuild → Progressive Migration. Each phase has clear deliverables and stakeholder reviews, so Berlin businesses stay in control throughout the project.

What technologies do you use for legacy app modernization?

Our legacy app modernization stack includes Next.js, React, Node.js, TypeScript, Python, PostgreSQL. We choose technologies based on your project requirements, team capabilities, and long-term maintainability — not trends.

Do you work with startups in Berlin?

Yes. We work with businesses of all sizes in Berlin — from pre-seed startups building MVPs to enterprises modernizing legacy systems. Our flexible engagement models scale to match your budget and timeline.

How long does legacy app modernization take?

The first module is typically rebuilt and deployed in 6–10 weeks. Full modernization of a medium-complexity application takes 4–8 months. Large enterprise systems with dozens of modules can take 12–18 months. The incremental approach means you get value early and can adjust scope as you go.

How much does legacy app modernization cost?

First module rebuild: $25,000–$50,000. Full modernization of a medium application: $80,000–$200,000. Enterprise-scale modernization: $200,000–$500,000+. We scope based on the legacy audit and prioritize modules by business impact to maximize early ROI.

Legacy App Modernization Company in Berlin, DE

Legacy App Modernization in Berlin, DE

ZTABS delivers professional legacy app modernization for Berlin businesses — including incremental modernization, business logic preservation, data migration. Serving FinTech, E-commerce, Mobility companies in Berlin, DE.

Start Your Project View Our Work

ZTABS provides legacy app modernization services in Berlin, DE — including incremental modernization, business logic preservation, data migration, and more. We work with Berlin businesses across FinTech, E-commerce, Mobility using technologies like Next.js, React, Node.js.Get a free consultation →

Legacy App Modernization Capabilities for Berlin

Our legacy app modernization team delivers a full range of capabilities tailored to Berlin's FinTech and E-commerce 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.

View all legacy app modernization capabilities →

Our Legacy App Modernization Process

1Legacy System Audit→2Modernization Strategy→3First Module Rebuild→4Progressive Migration→5Data Migration→6Decommission Legacy

Each phase includes clear deliverables and Berlin stakeholder reviews. See our full process →

Tech Stack for Berlin Legacy App Modernization Projects

Next.js React Node.js TypeScript Python PostgreSQL

See full technology details →

Why Berlin Businesses Choose ZTABS for Legacy App Modernization

Berlin (the startup capital of Europe, population 3.7 million) is home to thriving FinTech, E-commerce, Mobility sectors — each with distinctlegacy app modernization needs. Fintechs need regulatory-compliant banking and payment platforms for European markets. E-commerce companies require marketplace infrastructure and logistics software. Mobility startups need fleet management, routing, and platform technology. SaaS businesses need scalable B2B platforms with EU data residency and GDPR compliance.

Berlin has earned its reputation as Europe's startup capital, with the highest concentration of startups on the continent. The city attracts founders and talent with its creative culture, relatively low costs, and thriving ecosystem in fintech, e-commerce, mobility, and SaaS. Companies like Zalando, N26, and Delivery Hero started here.

Lower costs than London or Munich with comparable talent. Strong engineering culture and design-focused startup scene. EU market access with Germany's economic stability. Government support for startups and immigration programs for tech talent. Excellent quality of life attracts founders and engineers.

Legacy App Modernization for Berlin's Key Industries

Each of Berlin's core sectors has specific legacy app modernization requirements. We build solutions tailored to these industry needs:

FinTech

Berlin's fintech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

Legacy App Modernization for FinTech →

E-commerce

Berlin's e-commerce companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

Legacy App Modernization for E-commerce →

Mobility

Berlin's mobility companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

SaaS

Berlin's saas companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

How We Work With Berlin Businesses

Our distributed engineering team delivers the same quality and responsiveness as a local partner. Lower costs than London or Munich with comparable talent. Strong engineering culture and design-focused startup scene. EU market access with Germany's economic stability. Government support for startups and immigration programs for tech talent. Excellent quality of life attracts founders and engineers.

Timezone-Aligned Availability

Our team schedules overlap with Berlin's Eastern Time (ET) business hours for real-time standups, reviews, and demos.

Dedicated Project Manager

A single point of contact who understands your business context and Berlin's market.

Transparent Communication

Daily async updates, weekly video calls, and shared project boards keep you informed at every stage.

Built for Berlin's Industries

We understand Berlin's key sectors — FinTech, E-commerce, Mobility — and build solutions tailored to their requirements.

Frequently Asked Questions

Common questions about legacy app modernization in Berlin

We offer end-to-end legacy app modernization for Berlin 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 Berlin's key industries — FinTech, E-commerce, Mobility.

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Legacy App Modernization

Learn more about our legacy app modernization services nationwide.

Next.js

Next.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.

React

Harness 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?

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