AWS Professional Services • Application Modernization

Modernize applications for faster change, better resilience and lower operational burden

Yaqeen helps organizations assess legacy applications, define the right modernization path and implement cloud-native architectures using containers, serverless services, APIs, DevSecOps, managed databases and automation on AWS.

Application Portfolio Assessment

Containers & Serverless

API Modernization

DevSecOps Enablement

Application Modernization Blueprint

CLOUD NATIVE

Legacy Application

Monoliths, manual releases, tightly coupled services and aging platforms

Modern AWS Platform

APIs, containers, serverless, automation, managed data and observability

Faster

Release cycles

Stronger

Resilience

Lower

Operational burden

Scalable

Future growth

APIs

Modular integration

Containers

Portable services

Serverless

Event-driven scale

DevSecOps

Automated delivery

Modernization guided by business value—not technology trends

Not every application needs to be fully rewritten. Yaqeen helps determine the right balance of rehosting, replatforming, containerization, decomposition and cloud-native refactoring.

Improve the applications that matter most while controlling risk

Legacy applications often slow product delivery, increase operational effort and create security, integration and scalability constraints. Modernization should address those problems without introducing unnecessary complexity or disruption.

Yaqeen evaluates business criticality, architecture, codebase, dependencies, data, integrations and operational pain points to create a phased modernization strategy. High-value capabilities can be modernized first while stable components remain in place until the business case supports deeper change.

Value-based prioritization

Focus investment on applications and capabilities with the strongest business impact.

Incremental modernization

Reduce risk through phased decomposition, APIs and selective platform improvements.

Cloud-native architecture

Use managed AWS services where they improve resilience, scale and maintainability.

Operational readiness

Embed security, observability, automation, documentation and support into the solution.

What we evaluate

Modernization recommendations reflect the application’s business role, technical condition and future requirements.

Business value and lifecycle

Criticality, users, growth needs, product roadmap, support burden and expected longevity.

Application architecture

Code structure, runtime, dependencies, integrations, scalability and resilience limitations.

Data and integration

Databases, APIs, batch processes, external systems and data-governance requirements.

Security and compliance

Identity, vulnerabilities, secrets, auditability, encryption and regulatory obligations.

Delivery and operations

Release processes, testing, environments, monitoring, incidents and support requirements.

Core application modernization capabilities

Focused services that span portfolio planning, architecture, engineering, automation and production transition.

Application Portfolio Assessment

Segment applications by business value, technical condition, modernization potential and recommended disposition.

Portfolio inventory and scoring
Dependency and risk analysis
Modernization prioritization

Modernization Strategy & Roadmap

Define target states, workstreams, dependencies, effort ranges and a phased execution plan.

Rehost, replatform and refactor decisions
Business case and sequencing
Architecture and delivery roadmap

Container & Platform Modernization

Package and operate suitable applications using container platforms and standardized deployment patterns.

Amazon ECS and Amazon EKS patterns
Containerization and orchestration
Platform security and observability

Serverless & Event-Driven Architecture

Modernize selected capabilities using serverless compute, managed integration and event-driven patterns.

AWS Lambda and API patterns
Event-driven workflows
Scalable managed services

API & Integration Modernization

Decouple systems, expose reusable capabilities and improve interoperability through secure APIs and integration services.

API design and management
Legacy-system decoupling
Real-time and asynchronous integration

DevSecOps & Delivery Automation

Improve software delivery through automated pipelines, infrastructure as code, testing, security and observability.

CI/CD and release automation
Infrastructure as code
Security scanning and operational telemetry

Modernization Approach

A structured path from legacy constraints to modern AWS capabilities

Yaqeen combines business analysis, architecture, engineering, DevSecOps and operational transition into a repeatable modernization model.

Discover

Clarify business priorities, pain points, application owners, users and future requirements.

Assess

Evaluate architecture, code, dependencies, data, integrations, security and operations.

Prioritize

Select modernization candidates based on value, risk, effort and technical fit.

Architect

Define target architecture, platform services, APIs, data and delivery patterns.

Modernize & Validate

Build, refactor, integrate, automate, test and validate production readiness.

Transition & Optimize

Release to production, transfer knowledge and improve reliability, cost and delivery velocity.

Modernization patterns selected application by application

The right solution may combine several patterns depending on business goals, architecture, risk and expected return.

Replatform on AWS

Improve Without Rewriting

Move applications to AWS while replacing selected infrastructure components with managed services.

Containerize Services

Standardize Deployment

Package suitable applications or components into containers for portability and operational consistency.

Decompose the Monolith

Modernize Incrementally

Separate high-change or high-value capabilities into independently deployable services.

Serverless Refactoring

Scale on Demand

Use AWS Lambda and managed services for event-driven, variable-demand or workflow-based capabilities.

API Enablement

Unlock Reuse

Expose core business functions through governed APIs for channels, partners and internal platforms.

Database Modernization

Reduce Data Operations

Move appropriate databases to managed AWS services and modernize data-access patterns.

DevSecOps Transformation

Accelerate Delivery

Automate builds, testing, security checks, infrastructure and controlled deployments.

Observability & Resilience

Operate with Confidence

Implement telemetry, alerting, tracing, fault isolation, backup and recovery patterns.

Choose the right application modernization engagement

Start with a portfolio assessment, validate a priority use case or execute a phased modernization program.

Application Portfolio Assessment

Identify which applications should modernize first and why

A focused assessment evaluates business value, technical condition, dependencies, risk and modernization options across the application portfolio.

Best for

Organizations with aging applications, high support costs or unclear modernization priorities.

Typical outputs

Application scoring, segmentation, risks, modernization candidates and recommended next steps.

Common focus areas

Business criticality, architecture, dependencies, security, delivery and operating cost.

Modern Data Foundation

Build the governed AWS platform required for analytics and AI

This engagement implements ingestion, storage, transformation, cataloging, access and reusable data products on AWS.

Best for

Organizations whose current data environment limits reporting, integration or AI adoption.

Typical outputs

AWS data architecture, pipelines, governed datasets, security controls and operational documentation.

Common focus areas

Data lake, warehouse, integration, quality, governance, cataloging and cost management.

Analytics or AI Pilot

Validate a focused use case with real data and measurable outcomes

A pilot delivers a dashboard, predictive model or intelligent application to test feasibility, usability and business value.

Best for

Organizations that want to prove value before scaling analytics or AI investment.

Typical outputs

Working pilot, architecture, evaluation results, adoption findings and production roadmap.

Common focus areas

Data preparation, dashboards, model quality, user workflow, security and operational fit.

Enterprise Data & AI Program

Scale trusted data, analytics and AI across multiple business domains

A coordinated program combines platform modernization, governance, data products, analytics, ML and AI-enabled applications.

Best for

Organizations with multiple use cases, business units and long-term data transformation goals.

Typical outputs

Enterprise platform, governed data products, dashboards, models, AI solutions and operating model.

Common services

Program governance, architecture, engineering, adoption, MLOps, security and managed operations.

Business outcomes

Application modernization should improve the speed, reliability and economics of delivering digital capabilities.

Faster

Release velocity

Automated pipelines and modular services reduce delivery friction and release risk.

Greater

Application resilience

Cloud-native architecture improves scalability, fault isolation and recovery.

Lower

Operational burden

Managed services and automation reduce infrastructure and platform administration.

Better

Business adaptability

Modern APIs and modular capabilities make it easier to launch new products and integrations.

Related AWS professional services

Application modernization often connects directly to migration, data, AI, security and managed operations.

Migration & Modernization

Coordinate application modernization with broader AWS migration and workload transition planning.

Data, Analytics & AI

Modernize data foundations and add analytics, machine learning or AI capabilities to applications.

AWS Cloud Operations

Operate modernized applications with monitoring, security, optimization and service governance.

Ready to modernize your application portfolio?

Start with an application assessment, modernization roadmap or pilot focused on a high-value business capability.