Yurii Shunkin
Yurii Shunkin
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Software reengineering and modernization

Revitalize your software through reengineering—modernize technologies, strengthen critical areas, and prepare your applications for scalability and long-term growth

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70+

Successful Modernization of Legacy Systems

Digital & App Innovation

Top Softwere Development Company


Quality Management Systems

Information Security Management

Information Security Management

Why companies need software modernization and re-engineering

Why companies need re-engineering (1)

Reengineering is a strategic approach to modernizing applications by adapting existing technologies or rethinking critical elements like tech stack and architecture.​

For businesses facing challenges with outdated systems or changing requirements, re-engineering is an effective way to align software with current demands. Instead of a complete system redesign, focused updates to essential components can boost performance, scalability, and functionality. ​

Our team provides tailored reengineering services, from seamless code migrations to complex architectural refinements. By focusing on critical areas, we optimize your applications to tackle today’s challenges and support future growth.

Why to consider Software Reengineering

.what we offer

 Modernize architecture icon

Modernize architecture

Reduce cost icon

Reduce cost

Enhance performance icon

Enhance performance

Improve efficiency icon

Improve efficiency

Increase flexibility icon

Increase flexibility

Enhance scalability icon

Enhance scalability

Foster innovation icon

Foster innovation

Improve compliance icon

Improve compliance

Enhance interoperability icon

Enhance interoperability

Enhance user-experience icon

Enhance user-experience

Key Services We Offer

legacy system modernization

Legacy system modernization

  • Migration to modern languages/frameworks​
  • Code refactoring​
  • Data migration​
  • Technology stack selection
Architecture  re-engineering

Architecture re-engineering

  • Enhancing architecture
  • Improving reliability
  • Boosting scalability
  • Increasing availability
move to cloud image

Move to/between clouds​

  • Optimizing costs
  • Strengthening security
  • Ensuring compliance
performance optimization image

Performance optimization​

  • Load testing and stress testing​
  • Database performance analysis​
  • Root cause analysis
code reconstruction image

Code
reconstruction​

  • Code quality improvement​
  • Code modernization​
  • Code migration
reverse engineering image

Reverse
engineering​

  • Code analysis​
  • Properly-organized documentation​
  • Porting and migration
tech audit image

Tech
audit​

  • System architecture review​
  • Performance and risk assessment

Legacy technologies modern alternatives

Legacy technologies

  • dot net framework image

    .NET Framework

  • angular js image

    AngularJS (Angular 1.x)

  • xamarin image

    Xamarin

  • asp net image

    ASP.NET Web Forms

  • monolithic logo

    Monolithic architecture

  • js logo

    JavaScript

  • jquery logo

    jQuery

  • react logo

    React Native

  • asp net logo

    ASP.NET Web Forms

  • vb net logo

    VB.NET

  • sql server logo

    SQL Server Reporting Services (SSRS)

  • js es5 logo

    JavaScript (ES5)

  • delphi logo

    Delphi

modern alternatives

  • dot net core image

    .NET Core/.NET

  • angular image

    Angular​

  • .net maui logo

    .NET MAUI

  • Blazor/webassembly​

    Blazor/WebAssembly​

  • microservices logo

    Microservices architecture​

  • ts logo

    TypeScript​

  • React/vue/angular​

    React/Vue/Angular​

  • flutter logo

    Flutter​

  • asp net core logo

    ASP.NET Core MVC​

  • c# logo

    C# .NET​

  • tableau logo

    Power BI/Tableau​

  • js es6 logo

    JavaScript (ES6+)​

  • c# logo

    C#​

Software Re-engineering Process We Cover

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System assessment and alignment

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Requirement analysis and planning

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Codebase analysis image

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Redisigning architecture and code optimisation

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Implementation, testing, and deployment

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Motitoring and maintance

Want a quick consultation on your team requirements?

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Uliana Shandruk, Yurii Shunkin, Kateryna Ilnytska

Reengineering and optimization case studies

all cases
.NET
Microsoft Azure
TypeScript
NextJs
Playwright
Material UI
Golang
hero image
.NET
Microsoft Azure
TypeScript
NextJs
Playwright
Material UI
Golang

Educational & Consulting Platform for People with Disabilities

Leobit has developed a sophisticated web platform dedicated to aiding individuals with disabilities in navigating the claiming process for insurance benefits. At its core, this platform serves as a central hub and facilitates direct interactions between benefit recipients and their coaches, streamlining the often complex and bureaucratic process of obtaining disability benefits.

By offering tailored education-based membership programs, the platform empowers benefit applicants with knowledge and resources, making the insurance claim process more comprehensible and accessible. Additionally, it introduces cost-saving benefits, such as reduced expenses for accessing independent medical professionals.

What’s remarkable is that Leobit team is always on top of deliverables, timelines, and bug-fixes.

case study
.NET
TypeScript
Angular
HTML
Sass Preprocessor
MS SQL Server
Azure Cognitive Search
C#
ASP.NET
WebAPI
JSON
Azure AI Video Indexer
case study image
.NET
TypeScript
Angular
HTML
Sass Preprocessor
MS SQL Server
Azure Cognitive Search
C#
ASP.NET
WebAPI
JSON
Azure AI Video Indexer

Legal Case Management Platform

The platform is a leading civil and criminal case management software tailored for defenders and prosecutors within the US judicial system. Its primary goal is to streamline workflows, drive cost efficiencies, and enhance the effectiveness and agility of legal teams. With its cloud-based storage and robust search functionality, legal professionals can efficiently enter, archive, search, retrieve, and generate reports on case information.

case study
C#
.NET
ASP.NET Core
Angular
MySQL
Dapper
AWS
Hero image case study
C#
.NET
ASP.NET Core
Angular
MySQL
Dapper
AWS

Multi-module payment processing ecosystem

Leobit became a technology partner for one of the fastest-growing California-based payment innovation leaders. Leobit’s business analysts and our technology team are working on a complex payment processing solution with a multi-module ecosystem. Leobit expertise is used to digitize processes previously done by hand, optimize and simplify workflows, and develop functionality for the automated calculation risk level of merchants in multiple vertical-specific industries. Our team successfully solves all business-related challenges to streamline the customer’s operations, increase profitability and surpass competitors on the global market.

I’m immensely proud to be a part of this journey and look forward to continued success as we impact the FinTech sector together.

case study

Why choose Leobit for Software Reengineering

Team photo Leobit
  • 70+ successful software re-engineering and legacy system modernization projects​
  • Massive expertise across different domains and industries
  • Expertise with re-engineering​ the architecture of high-load applications
  • Microsoft Solutions Partner, ISO 9001:2015 & ISO 27001:2022 certified, ISTQB Gold Partner​
  • Top software development company according Clutch​
  • Silver Stevie Award Winner for two consecutive years (2024/2025)
  • A variety of flexible cooperation models
  • Centers of excellence: software development, quality management, business analysis, project management​
  • 15+ successful migrations from .NET Framework to .NET Core/.NET, AngularJS (Angular 1.x) to Angular, Xamarin to .NET MAUI, Monolithic architecture to Microservices architecture, etc.
  • A range of consulting services including technical audit, technical assessment, cloud cost optimization

.what we offer

Meet our experts

Customize your dream team with Leobit’s top talents of middle to senior levels in.

SOFTWARE DEVELOPMENT ROLES WE COVER

Software Development

DEVOPS ROLES WE COVER

DEVOPS

TECH TEAM LEADERSHIP ROLES WE COVER

Tech Team Leadership

SOFTWARE ARCHITECTURE ROLES WE COVER

Software Architecture

UI/UX DESIGN ROLES WE COVER

UI/UX Design

PROJECT MANAGEMENT ROLES WE COVER

Project Management

BUSINESS ANALYSIS ROLES WE COVER

Business Analysis

QUALITY ASSURANCE ROLES WE COVER

Quality Assurance

PRODUCT MANAGEMENT ROLES WE COVER

Product Management