Software modernization

Application Modernization Services


Application modernization services help keep legacy apps cost-efficient and relevant to the current business needs. In software development since 1989, ScienceSoft provides app modernization services to upgrade apps safely and with minimal disruption to business processes.

Unlock New Value for Your Legacy Apps

ScienceSoft’s modernization experts can help you throughout the legacy app modernization cycle, from conducting a feasibility study and devising an optimal application modernization solution to providing consistent modernization implementation. As the holder of ISO 9001 and ISO 27001 certifications, the we rely on mature quality management and guarantee the cooperation doesn’t pose any risks to the customers’ data security.

Why Now Is the Time for SaaS App Development

$138 billion

SaaS market estimation for 2022


organizations plan to or already invest in SaaS apps


faster time-to-market seen by companies who went SaaS

Why ScienceSoft

  • 11 years in SaaS development.
  • 9 years in DevOps; use of Cloud Native Computing Foundation (CNCF) standards.
  • 450+ developers on board; 50% are Leads and Seniors.
  • Designers who create UX and UI to drive user adoption and subscription renewal rate.
  • PMO experienced in the successful delivery of mid- and large-scale SaaS projects.
  • HQ – McKinney, Texas. Representative offices in the UAE, EU, and Eastern Europe. Offshore development centers in Eastern Europe.

The Financial Times Includes ScienceSoft USA Corporation in the List of Americas’ Fastest-Growing Companies 2022

ScienceSoft is one of 500 companies with the highest compound annual growth rate in revenue. This achievement is a result of our unfailing commitment to provide high-quality IT services and find best-value solutions to clients’ needs.


Scope of Our SaaS Development Services

SaaS consulting

Our consultants transform your SaaS idea into a product concept, draft its development roadmap, estimate TCO & ROI, and provide other project guidance.

SaaS UX and UI design

ScienceSoft conducts UX research for a future SaaS or a UX audit of your existing SaaS and designs responsive UI with intuitive navigation.

SaaS architecture design

ScienceSoft designs multi-tenancy architectures that are easy to scale, can withstand peak loads, and ensure 99.98% availability.

SaaS application development

Experienced in a wide range of technologies, our SaaS developers produce top-grade code, while our PMO use mature KPIs to ensure engineers’ highest productivity.

Testing and QA

Adhering to ISO 27001 standards and a proprietary Integrated Manual and Automated Testing approach, we ensure data integrity and high test coverage for your SaaS

Support and maintenance

We offer L1, L2, and L3 support for your SaaS product as well as its corrective, adaptive, preventive, and perfective maintenance.

SaaS evolution

We help your SaaS cater to the growing audience needs by introducing in-demand features, including video streaming, VoIP, chatbots, AR/VR, AI, analytics.

Cloud migration

ScienceSoft migrates your SaaS to another cloud provider or turns your on-premises app into SaaS by reshaping it for the cloud infrastructure.

API development

ScienceSoft designs, develops, and integrates scalable and reliable APIs in your SaaS to enrich its functionality and simplify workflows.

We Know Your Industry





retail (1)







Oil and Gas




Logistics and transportation

Types of SaaS Applications We Develop

crm (2)


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Untitled design (55)


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Data analytics

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Project Management

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Haven’t Found Your SaaS Type?

No worries, ScienceSoft is definitely up to implementing your idea – just reach out and tell us about the type of SaaS you want to develop.

Architecture patterns we apply


Back end

  • Multi-tenancy architecture
  • Cloud-native architecture
  • Serverless architecture
  • Microservices architecture
  • Command and Query Responsibility Segregation (CQRS)
  • Event-driven architecture
  • Event sourcing architecture
  • Domain-driven design (DDD)
  • Clean architecture
  • Decoupled architecture / Headless architecture
  • Multi-tier architecture (including traditional 3-layer)

Front end

  • Model-view-controller (MVC)
  • Single-page application (SPA)
  • Model-view-viewModel (MVVM)
  • Progressive web app (PWA)
  • Reactive
  • Micro-frontend architecture

Success Drivers of ScienceSoft’s SaaS Development

Robust microservices architecture for easy SaaS scaling
Experienced use of cloud load balancing tools for 99,98% availability
Mature DevOps practices for smooth and fast update deployments

Choose Your Service Option


SaaS consulting

Rely on ScienceSoft’s business consultants to guide you through any stage of your SaaS implementation project.


SaaS development outsourcing

Entrust your SaaS development project (or its part) to ScienceSoft’s experienced developers and mature PMs.


SaaS modernization and support

Get a full revamp of your existing SaaS or request regular support & maintenance services to keep it stable and up-to-date.

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