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Got an Application Modernization Idea? We Will Architect It To 100% Perfection. No Less

250+

Software
Engineers

1500+

Applications
Modernized

70+

Countries
We Served

17+

Total Years
of Experience

Customized Application Modernization Services to Address Your Unique Legacy System Challenges

Application Modernization Consulting

We analyze your legacy applications, architecture, and business goals to recommend strategies that enhance performance and security.

Legacy App Assessment

Our experts run multiple assessments to determine the best approach for modernization based on business and market objectives.

Application Reengineering

We evaluate, re-engineer, and improve your legacy applications to meet business and technological requirements.

Application Re-Architecting

Remodel your legacy app’s architecture to utilize cloud-native technologies and improve scalability, flexibility, and performance.

App Migration to Cloud

We facilitate the seamless migration of applications from their current legacy environments to an updated cloud infrastructure.

Mainframe Modernization

Our specialists move mainframes to cloud-based hosting providers to improve performance, agility, and scalability and reduce costs.

Modernize Your Application for Greater Agility, and Easier Integration With Our Application Modernization Services

Success Stories Supporting Our Clients’
App Modernization Journey

We don’t just update legacy code! As an app modernization company, we migrate monolithic apps to microservices, move workloads to the cloud, and integrate modern APIs.

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Built the super app for SE-Asia's largest telecom provider, improving user experience and service capabilities.

100M+ Concurrent Users

Enabled thousands of IoT devices for Mumbai's smart city initiatives, boosting urban connectivity and efficiency

500+ IoT Meters Connected

Delivered end-to-end Uberization of Trucks platform with advanced fleet management and optimization.

100K Bharat Benz Trucks in 3 Countries

Engineered a multi-disciplinary heavy‑vehicle telematics solution for South Asia’s largest automaker, delivering real‑time fleet monitoring, advanced alerts and data‑driven insight

5X Improved Safety via Geo‑diagnosing

Developed a centralized content and contest management system for Abu Dhabi Commercial Bank, enhancing digital engagement with interactive quizzes, polls and analytics.

1M+ Active Users

Implemented an AI‑powered remote‑diagnostics platform on AWS IoT Core for global heavy‑vehicle fleets, automating firmware updates and accelerating issue resolution.

40% Reduction in Project Tracking Time

Application Modernization Services Backed by Modern Technology Stack

Frameworks
  • Express.js
  • Hapi.js
  • Nest.js
  • Total.js
  • Koa.js
  • Loopback.js
Libraries
  • node cron
  • Passport
  • Lodash
  • PM2
  • Nodemailer
  • Winston
  • Socket.io
  • Babel
  • Unload
  • Webpack
  • Feathers.io
  • Axios
Server Management
  • Azure
  • PM2
  • Docker
  • Dapr
  • Heroku
  • Docker Swarm
  • Kubernetes
  • Caddy
  • Nginx
  • Google Cloud Run
  • Amazon AWS/Elastic Beanstalk
  • Digital Ocean
  • Lambda
Architecture
  • Event loop
  • Microservices
  • Monolithic
  • Serverless
Database
  • Redis
  • Firebase
  • MemSQL
  • MongoDB
  • RethinkDB
  • PostgreSQL
  • MySQL
  • CouchDB
ORM
  • Typeform
  • Mongoose
  • Sequelize
Deployment
  • Docker
  • Kubernetes
  • Jenkins
  • DigitalOcean App Platform
  • CircleCI
  • GitHub Actions
  • Travis CI
  • AWS CodeDeploy

Our Client-Focused Systematic Approach to Legacy Application Modernization

  • 1. Define Goals  

    Assess existing systems and understand business requirements to identify tangible objectives and KPIs.

  • 2. Modernization Strategy  

    Devise a strategy, choose a modernization approach, and finalize deliverables and timelines.

  • 3. Modernization POC  

    Build a PoC to demonstrate the benefits of the chosen strategy and validate its technical feasibility.

  • 4. Application Re-design  

    Refactor/rewrite code, build new features, and integrate the new system with APIs and databases.

  • 5. Software Testing and QA  

    Perform regression, performance, and security tests to ensure usability and functionality.

  • 6. Maintenance and Support  

    Monitor application performance and gather user feedback to make iterative improvements./p>

1. Define
Project Goals

Assess existing systems and understand business requirements to identify tangible objectives and KPIs.

2. Modernization
Strategy

Devise a strategy, choose a modernization approach, and finalize deliverables and timelines.

3. Modernization
POC

Build a PoC to demonstrate the benefits of the chosen strategy and validate its technical feasibility.

4. Application
Re-design

Refactor/rewrite code, build new features, and integrate the new system with APIs and databases.

5. Software
Testing and QA

Perform regression, performance, and security tests to ensure usability and functionality.

6. Maintenance
and Support

Monitor application performance and gather user feedback to make iterative improvements.

How CONTUS Tech Simplifies Legacy Upgrade Through Proven Application Modernization Solutions

500+
Apps Modernised

CONTUS Tech has successfully modernized 500+ applications, with a focus on meeting business objectives.

Industry-Specific
Experts

Our experts have an impressive track record of modernizing legacy applications across industries.

Awards and Recognition from Industry Leaders

CONTUS Tech Awards

Experience Smart Legacy Reengineering With Cloud-First App Modernization Services & Microservices-Driven Architecture

Enterprise Application Modernization Services We Provide for Different Industries

  • Entertainment
  • Ecommerce
  • Education
  • Manufacturing
  • Healthcare
  • Automotive
  • Fintech
  • Telecom

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Entertainment

Upgrade legacy entertainment systems using dynamic, cloud-ready solutions that keep up with user demand and focus on viewer retention.

  • Migrate Legacy Apps to Cloud-Native OTT Architectures
  • Integrating Real-Time Video Streaming Solutions
  • Content Curation Engines Powered by AI
  • DRM Systems that Scale Based on Requirement
  • AI-Based Recommendations Systems

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FAQ About App Modernization Services

Modernizing legacy applications has many benefits, namely better system efficiency, robust security, and lower operational costs. Legacy application modernization also enables businesses to adapt to changing market trends and enhance customer satisfaction.

Application modernization utilizes several cutting-edge technologies, including cloud computing, microservices architecture, containerization tools (like Docker and Kubernetes), DevOps practices, and AI/ML, to transform legacy systems into modern high-performing, solutions.

The cost of modernizing legacy applications can range from $45,000 to $150,000, depending on the specific needs of the business and the complexity involved. Other elements that contribute to the overall cost include infrastructure, hiring professionals with the right skillset, and support and maintenance.

Application modernization offers many benefits to businesses, like faster time to market, better efficiency, scalability, robust security, enhanced customer experience, and improved data management. Updating legacy applications allows businesses to reduce operational costs, amplify performance, and get an edge over the competition.

The common challenges faced in application modernization include data migration issues, skill gaps, security concerns, regulatory non-compliance, and complex legacy systems. An organization's reluctance to change is also a factor in some cases.

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Willow Square, 8th Floor, Plot No. 8,9 & 10, 1st Street, Thiru Vi Ka Industrial Estate, Guindy, Tamil Nadu - 600 032

4701 Patrick Henry Drive.
Building 3, Santa Clara, CA- 95054, USA

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