Web App Development
From Legacy Rebuild
to Launch

Savvycom modernizes aging web platforms and builds new ones, taking each from discovery and UX to data migration, launch and support, with AI added where it removes manual work.

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Trusted by Global Brands

Trusted by Global Brands

Results From Delivered Web Platforms

Every number below comes from a Savvycom web platform engagement published in our case studies: how clients rated the result at launch, how long a full modernization took, and what the platform costs to run afterwards.

90%

post-launch client satisfaction

50%

less manual data entry

20%

lower cloud operating cost

Why Web Platforms Stop Serving the Business

Most web applications do not fail at launch. They fail slowly, as the business changes and the platform does not.

  • Legacy Code Blocks Change
  • Interfaces Users Avoid
  • Systems That Don't Connect
  • Cloud Bills Outgrow Usage
  • Migration Feels Too Risky
  • Scope Guessed, Not Engineered
Icon: legacy code blocking change in a web platform
Platforms built ten or twenty years ago resist every change. Each feature means working around old code, and compatibility with modern devices and integrations keeps getting worse.
“Every release takes a quarter because nobody wants to touch the old core.”

Custom Web App Development Services

Four kinds of web platforms, each already running in production for a Savvycom client. Pick the one closest to your situation.

Legacy Platform Modernization

90% user satisfaction

UX redesign, re-architecture and data migration for platforms that can no longer carry the business.

Proof - A 20-year-old system modernized in six months, rated 90%+ by users after launch.
Legacy Platform Modernization
What we deliver
UX/UI redesign Legacy data migration Admin panel rebuild Commerce integration

Enterprise Web Applications

70% less manual entry

Internal systems and portals that run daily operations, from planning and projects to documents and vendor, partner or government access.

Proof - React and Node.js management solutions for energy operations, at 30% below local vendor cost.
Enterprise Web Applications
What we deliver
Resource planning Project & task tracking Document management Vendor & partner portals

Cloud &
IoT Platforms

20% operation cost

Web and mobile front ends for connected devices, on cloud architecture tuned for availability and running cost.

Proof - Device control, solar roof and air quality modules, with AWS operating cost cut by over 20%.
Cloud & 
IoT Platforms
What we deliver
IoT platforms AWS architecture Custom dashboards Mobile companion apps

Consumer &
Commerce Platforms

50% faster onboarding

Marketplaces, booking and e-commerce products where data, payments and messaging must work on every device.

Proof - Business and consumer-behavior dashboards for EV commerce, with 24/7 maintenance.
Consumer & 
Commerce Platforms
What we deliver
Bookings & payments Analytics dashboards Web, iOS & Android Community features

Web App Development by Industry

The same delivery model, adapted to the rules and data each industry runs on. Every industry below has its own solutions page with deeper detail.

BFSI

Web applications that manage transactions, portfolios and customer data under banking security requirements.

Person verifying identity on a phone for online banking
Typical builds
Online banking Customer management for banks Payment automation

Healthcare

Secure access to medical records, appointment scheduling and remote consultations for providers and patients.

Hospital corridor with digital document data overlays
Typical builds
Electronic health records Patient relationship management Telemedicine

E-Commerce

Online stores and marketplaces with clear navigation, secure payments and personalized shopping.

Channel YES digital media and commerce platform
Typical builds
B2C and B2B online stores Online marketplaces Secure payment gateways

Supply Chain

Real-time tracking, inventory control and logistics planning in one web interface.

Container port and trucks representing logistics operations
Typical builds
Inventory management Order management Warehouse management

Why Savvycom

Enterprises choose a web app development partner on three questions: can they rebuild what we already run, can they add AI that pays off, and will they still be here in year three.

Modernization Proven in Production

  • A 20-year-old platform rebuilt in six months, from UX redesign to data migration
  • Data migration run onsite with the client's IT team under strict security policies
  • Web platforms delivered for enterprises in Korea, Hong Kong, Thailand and Singapore

AI Adoption With Measured Impact

  • AI features in production with published results.
  • AI built into the application workflow, not sold as a separate experiment
  • Document AI, computer vision and multi-agent systems, each with a public case study

Partnership Built to Last

  • Apple, Microsoft, Azure & IBM partnerships
  • Stevie Award-recognized for Innovation in Digital Transformation
  • 16+ years and 100+ enterprise clients behind every engagement

Trusted by Enterprise Leaders Across Industries

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Frequently Asked Questions

Common questions from teams planning a web platform rebuild or a new web application.

How long does it take to modernize a legacy web platform?

A full modernization of a mid-size platform typically takes six to nine months. For YES24, South Korea's largest online bookstore, Savvycom spent two months on UX design and requirements and four months on rebuilding and migrating a 20-year-old system, with a post-launch satisfaction rate above 90 percent. Smaller portals and dashboards take two to four months.

How much does web app development cost?

Web app teams are billed monthly per engineer: mid-level developers from $22 to $34 per hour, senior from $24 to $38, tech leads and architects from $27 to $48, and data or AI engineers up to $55. A fixed price is quoted after a one to two week discovery. Full rate ranges are on our IT outsourcing page.

How do you modernize a platform without breaking the systems that depend on it?

We rebuild in phases rather than in one cutover. Discovery maps every integration and data flow, the new platform runs alongside the old one, data is migrated and validated in stages, and users switch module by module. This is how the YES24 webzine and admin panel moved to a modern platform while the e-commerce store kept running.

Can you add AI to a web platform we already run?

Yes. We add AI where it removes manual work and keep the rest of the platform unchanged. For a U.S. healthcare operator, Savvycom built a document intelligence layer that reads invoices and records and feeds the ERP and EMR systems, cutting manual data entry by 50 to 70 percent. See our AI development services.

Which technologies do you use for web applications?

Our web teams work in Java, .NET, Node.js and Python on the back end, React and Vue on the front end, and PostgreSQL, SQL Server and MongoDB for data, deployed on AWS or Azure with CI/CD pipelines. We choose the stack to fit your existing systems and your team's skills, so the platform can be maintained in-house later.

Do we need a web app, a mobile app or both?

A web app suits internal operations, portals and anything used on a desktop with large data views. A mobile app suits customers and field staff who need notifications, camera, location or offline use. Many clients start with a web platform and add a mobile app on the same APIs; we design the backend so both share one data layer.

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