Monolith to Microservices

Monolith-to-Microservices Migration Services

Rebuild Your Legacy Preserving Stability, Reliability, and Efficiency

By breaking monoliths to microservices, Corsac uplevels outdated systems to scale with your business needs.

We preserve uptime thanks to independent automated deployments. CI/ CD, containerization, and domain-focused design make our approach beneficial.

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Top Reasons to Move from Monolith to Microservices Architecture

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In monolithic architecture, all the components are tied up together, so if you need to scale one feature, you have to expand the entire system.

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Even if you need to implement minor adjustments, it leads to full redeployment and retesting.

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Legacy maintenance cost and complexity rise with each release.

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Because of large shared codebases, multiple teams can’t work on different features independently.

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Integration of modern tools, cloud services, and APIs is blocked by outdated frameworks.

Real-World Cases: From Monolith to Microservices Migration Success Stories

We specialize in converting monolithic applications to microservices, being a reliable partner for businesses in their modernization journey since 2007. With strong adherence to compliance, security, and business goals, we became a part of 100+ client success stories.

Browse Our Portfolio //

Delivery Process Transformation for GIS Platform: From Ad-Hoc Support to Resilient Delivery Flow

Reduced hotfix release time by

70%

Achieved backlog visibility of

100%
Read more //

Moving a PromptSmart Teleprompter Application from Old and Fragmented Native to a Holistic Multiplatform Solution

Reduced code duplication and raised development efficiency by

75%

Lower average time gap in cross-platform feature delivery by

80%
Read more //

Re-engineering GNSS Monitoring Application: From Windows-Only Legacy to Kotlin Multiplatform

Reduced device setup time

60%

Reduced memory use

38%
Read more //

How Monolith-to-Microservices Migration Drives Digital Transformation

We implement module-by-module decomposition of the outdated system to ensure smooth performance of your core operations, minimize risks, and deliver updates faster and securely.

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    From the business perspective:

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    Simplified releases and upkeep, you can deliver new features faster thanks to independent microservice deployments.

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    Updating module-by-module, you get full risk control and can spend the budget smartly.

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    Effective cross-team collaboration without blockers.

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    Rewriting from scratch is not necessary to adopt modern technologies.

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    Minimized downtime thanks to isolated failure zones.

    From the tech perspective:

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    Tech choices become flexible, so you can scale with ease.

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    Incremental modularization helps avoid risky full system rewrites.

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    CI/CD-optimized microservices improve release transparency and velocity.

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    External tools and cloud services can be integrated smoothly thanks to API-first architecture design.

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    Automated testing and continuous monitoring keep your system stable during and after migration.

Modernizing the past. 
Empowering the future.

Let us help you rebuild what’s holding you back.

Start Your Transformation Now //

Monolith-to-Microservices Migration Services That Drive Business Transformation

Refactoring a monolith to microservices by Corsac is aimed at removing tech debt and low-risk transformation for continuous growth.

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Architecture Assessment & Readiness Audit

At the very beginning, we deeply analyze your architecture, deployment processes, dependencies, performance weak points, and potential risks. Based on the outcomes, we create a personalized readiness report and phased plan to conduct the modernization shift.

Microservices Architecture Design

We build modular architectures based on domain logic. Thanks to autonomous deployment, fault isolation, and perfect observability, we enable smooth scaling and secure delivery through unified APIs.

Monolith Decomposition & Refactoring

Step by step we decouple components, data, and logic layers into independent services, preserving your ongoing operations almost undisrupted. Each refactoring phase is supported by automated tests and CI/CD practices.

Cloud-Native Microservices Implementation

Each microservice is containerized. We apply Kubernetes or similar orchestration tools for deployment, ensuring perfect scalability and smooth performance both in cloud and hybrid environments.

API Gateway & Data Management Integration

Keeping microservices consistent and secure across all connected environments is a must. We achieve this thanks to strong API gateways and real-time data synchronization.

Continuous Maintenance & Optimization

We take your system performance under control even post-migration. This way you’ll get necessary architectural enhancements and resource optimization without delays. Moreover, we enable your team to work with the system confidently and drive changes independently, providing well-structured documentation and expert-led training for knowledge transfer.

What Makes Corsac a Trusted Partner in Monolith-to-Microservices Migration

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Modernization is our core specialization

We aren’t a full-stack agency. We’ve built our team, processes, and tech strategy specifically to tackle legacy issues and help mid-market players scale and innovate.

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Integration vs. Disruption

We integrate with your workflows, minimizing interference with your developers. While utilizing your Git, CI/CD, and tools, we operate independently, letting your team focus on their work.

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Identification of hidden expenditures

Your aging system drains your business resources through slow hiring, security gaps, and delayed launches. We reduce these “dark tech debt” losses before they impact your revenue.

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AI & Emerging Tech Enablement

We remove legacy barriers preparing your systems for advanced tech. You can embrace new tools with the future-ready and ROI-driven architecture.

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Fighting Tech Stagnation

Modernization efforts will be ineffective if the core issue is institutional rigidity. We reveal hidden limits and help grow with flexibility.

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Respect for Existing Architecture and Leadership

We treat your system efficiently: evolve the functioning parts and replace only the ones that require change.

Monolith to Microservices Migration as a Foundation for AI Adoption

Uncover Business Logic That Is Hard to Observe and Manage for AI in Monoliths

In legacy systems, decision logic is locked inside monoliths, making AI integration risky. We perform monolith to microservices migration to decompose services, making logic and data movement explicit. This enables AI to augment decisions in a controlled, observable way.

Eliminate Fragile Data Coupling That Blocks AI Scaling

Monolithic architectures may allow uncontrolled data access and implicit behavior, compromising AI reliability. Monolithic to microservices migration strategy implements clear ownership, contracts, and data boundaries to prevent silent data drift and ensure reliable AI results.

Adopt AI Without Disrupting Core Systems

Integrated into unprepared monoliths, AI can trigger risks. Monolithic to microservices migration introduces APIs and event-based architecture, enabling parallel operation of AI and core workflows. This facilitates experimentation, rollback, and controlled releases, without impeding continuity.

Make AI Easy to Manage, Observe, and Support

Traceability and accountability are limited in monoliths. By migrating to microservices with inherent observability and versioning, we make AI actions explainable, auditable, and materially reduce risk in regulated use cases.

Most Common Migration to Microservices Scenarios

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Decoupling Critical Business Domains for Safe AI-Empowered Evolution

Instead of rewriting the monolith completely, we extract frequently modified business domains, including billing, pricing, workflows, and reporting, into modular services. This path from monolithic application to microservices secures the core platform and enables reliable modernization and AI adoption.

Replacing Shared Database Coupling with Service-Owned Data Models.

We break the dependency on a single shared database by moving from monolithic database logic to service-managed data access with controllable APIs. This eliminates hidden coupling, expedites deliveries, prevents unexpected side effects, and prepares data for smooth AI function.

Reducing Risk Through Focused Service Extraction

We start breaking monolith to microservices by identifying the primary sources of regression: UI logic, integrations, and fast-changing rules. They are the first to go into independent services, which enables safe updates without redeploying the entire system.

Implementing API and Event Layers Around Legacy Applications

We surround the monolith with integration and automation services to avoid the risks of altering internal parts. Legacy systems remain stable while cloud platforms, data pipelines, and AI can freely interact through clear and controlled boundaries.

Running Monolith and Microservices in Parallel

When replacement is not viable, we apply hybrid coexistence. In critical business systems, we introduce microservices incrementally, while the monolith is still operating. Thus, we prevent cutovers and ensure uninterrupted operations, production safety, and reversible changes.

4 Steps to Transform Your Business Through Monolith-to-Microservices Migration

System Audit & Migration Planning

We thoroughly evaluate each part of your system, uncovering weak spots and dependencies in architecture, codebase, integrations, etc. After identifying potential risks and growth opportunities, we build a KPI-based migration roadmap aligned with your core goals.

Architecture Design & Service Decomposition

We re-architect your outdated system based on domain standards and your business logic, as well as identify microservices contracts and data strategies. Before being separated, each microservice is thoroughly assessed for reliability and scalability.

Implementation & Cloud Deployment

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A phased approach to refactoring and containerization helps us minimize disruption and ensure stable processes.

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Deployment and rollback security at any stage are enabled via CI/СD tools, automated testing, and continuous monitoring.

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We use Kubernetes for orchestration that significantly enhances deployments and performance both in cloud and hybrid environments (AWS, Azure, GCP, or private clusters).

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Each iteration includes security and performance assessments alongside verification of GDPR or HIPAA compliance.

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We take care of process transparency by handling regular demos and synchronization with your core operations.

Monitoring, Optimization & Continuous Delivery

After deployment, we monitor each microservice. Thanks to DevOps tools, logging, and advanced analytics, we’re enabled to catch any anomaly fast and deliver necessary fixes or optimizations.

Arrange a call now

Book an expert consultation to uncover gaps in your system. Let us modernize your business to its maximum potential.

Connect with Experts //

Industries

Healthcare
AEC and GIS
Sport
Banking & Financing
Charity and Non-profits
Cybersecurity
Speech Recognition

Software features we build and modernize:

  • Telemedicine and Remote Communication
  • Electronic Medical Documentation
  • Physical and Mental Health Monitoring
  • Child Development Tracking
  • Fall Detection and Movement Tracking
  • Hearing Assessment and Audio Testing
  • Relaxation and Emotional Support
  • Al-Powered Infection Diagnostics
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Software features we build and modernize:

  • Interactive Object Mapping
  • GNSS Equipment Integration
  • Utility and Infrastructure Mapping
  • Geospatial Data Management
  • Metadata and Interment Record Management
  • Advanced Project Management
  • Visual Analysis and Defect Detection
  • Social Monitoring and Service Mapping
  • Web and Mobile Access to Geospatial Data
  • Data Security and Access Control
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Software features we build and modernize:

  • AI-Based Motion Tracking
  • Ball and Equipment Tracking
  • Multi-Angle Camera Coordination
  • Performance Analytics and Heatmaps
  • Training Insights and Feedback
  • Integration with Wearables and External Devices
Read more //

Software features we build and modernize:

  • API Management & API Gateway
  • Microservices and Digital Transformation
  • Cloud Platform Integration
  • Security and Regulatory Compliance
  • Advanced Banking Domain Services
  • Analytics and Monitoring
  • Open Banking Solutions
  • Omnichannel Support
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Software features we build and modernize:

  • Project Discovery & Search
  • Donation Management
  • Organization & Project Profiles
  • Transparency, Reporting & Impact Metrics
  • Service Finder
  • Volunteer & Community Engagement
  • Grant & Funding Opportunities (For Non-governmental organisations)
  • Partner & Corporate Programs
  • Mobile Accessibility
  • Data Insights & Policy Recommendations
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Software features we build and modernize:

  • Security Operations Center (SOC) as a Service
  • Incident Response & Recovery
  • Cybersecurity Audits
  • Compliance & Certification Support
  • Security Trainings
  • Vulnerability Scanning & Penetration Testing
  • Endpoint, Network, and Cloud Security
  • Offensive AI Technology
Read more //

Software features we build and modernize:

  • Real-Time Voice-Tracking Engine
  • Adaptive Script Following
  • Offline Speech Recognition
  • Multilingual Voice Processing
  • Noise-Tolerant Recognition
Read more //

Corsac’s Experts

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Professional Tech Stagnation Breakers Fighting Tech Stagnation

We focus on modernization for companies unable to grow due to aging systems

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Evolving Existing Architecture and Leadership

We replace only what must be changed, protecting your investment and CTO’s credibility.

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Compliance From Commit to Production

HIPAA, HL7/FHIR, SOC2, GDPR, ISO compliance is integrated into every stage.

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Integration over Disruption

Integrating into your Git, CI/CD, and workflow tools, we make modernization visible, testable, and traceable

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Getting Rid of “Dark Tech Debt”

We uncover hidden costs, feature delays, and security gaps and offer ways of their removal

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Modernization that Fuels Leadership

By providing CEOs stakeholder-ready roadmaps and progress metrics, we enable well-grounded transformation

Most Outsourcing Vendors

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Focus on Delivery vs. Your Business Goals

They fulfill your task without seeking to address the issue at the root

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Lack Domain Expertise

Dispersing the focus, they fail to meet specific Healthcare G and other industry requirements

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Apply a Standardized Modernization Approach

Generalized practices, regardless of the product, team, or business specifics

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Disregard Your Existing Opportunities

Initiate full rewrites instead of using the working parts and considering business context

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Lack integration with your team

Insufficient collaboration leads to poor handover, with documentation debt and weak enablement.

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Code-First Mindset

Development happens in isolation, prioritizing code delivery over actual business value.

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    Our team will

    • 1 Process your request within 1-2 business days.
    • 2 Get back to you with an offer based on your project's scope and requirements.
    • 3 Set a call to discuss your future project in details and finalize the offer.
    • 4 Sign a contract with you to start working on your project.

    Corsac Technologies Corporation

    +1 416 505 4524 Toronto, Canada info@corsactech.com

    Frequently Asked Questions

    Monolith to microservices migration is a must if your business struggles with scalability and your tech debt affects overall performance and teamwork. By dividing architectures into individual components, you can reduce operational risks, deliver changes or new features quickly, simplify team collaboration, and adopt new technologies to innovate and stay compatible.

    First, we conduct root-cause analysis to identify true reasons for your tech debt, hidden dependencies, risks, existing infrastructure, and growth opportunities. Based on this, we create a monolithic to microservices migration strategy with deadlines and KPIs. Success is tracked by the achievement of measurable goals at each milestone. Post-migration, we assess improvements in system scalability, stability, maintainability, release velocity, compliance, etc.

    Migration from monolith to microservices makes your system more flexible and efficient. Here are just several benefits that can help optimize costs: seamless maintenance, faster deployment process, smooth integration with external tools and systems, ability to opt for modern technologies without significant limitations.

    In the long run, all the mentioned benefits will enable you to allocate project resources smarter and achieve business goals with less effort.

    In Corsac, we practice phased moving from monolith to microservices. We define key priorities and build a clear plan of what system parts should be modernized first. Such an approach significantly cuts risks of workflow disruption and enables safe testing, deployment, and rollbacks (if necessary) without affecting overall stability. Your system stays fully operational while we validate each service independently.

    Yes. After migration of the monolithic application to microservices, we carefully track system performance, using dashboards, logging, and advanced analytics. This way, we can detect potential issues as fast as possible and take necessary measures without disrupting system stability and efficiency.