Stop Fighting Your Monolith. Start Winning with Microservices & API-First Architecture.
We design and build resilient, scalable, and future-proof distributed systems that accelerate your time-to-market and drive real business growth.
Unlock Your Agility Today
Is Your Architecture Holding You Back?
In today's hyper-competitive digital landscape, speed and agility are not just advantages; they are survival requirements. Monolithic applications, with their tightly coupled codebases and complex deployment cycles, create bottlenecks that stifle innovation, frustrate developers, and disappoint customers. If you're struggling with slow feature releases, scalability issues during peak traffic, or a growing fear of touching legacy code, you're not alone. It's time for a paradigm shift.
Why Partner with CIS for Your Architectural Transformation?
AI-Enabled Expertise
Our teams are not just developers; they are AI-augmented architects. We leverage AI-powered tools for code analysis, dependency mapping, and performance modeling, accelerating your migration and reducing risk.
Verifiable Process Maturity
With CMMI Level 5 and SOC 2 certifications, we bring enterprise-grade discipline to every project. Our proven methodologies ensure your distributed system is secure, compliant, and reliable from day one.
Accelerated Time-to-Value
We don't believe in multi-year "boil the ocean" projects. Our iterative approach, focusing on Domain-Driven Design and strangler fig patterns, delivers tangible business value in months, not years.
100% In-House Experts
We never outsource. Your project is handled by our dedicated, full-time team of microservices specialists, ensuring consistent quality, clear communication, and deep accountability.
End-to-End Ownership
From initial strategy and domain modeling to implementing CI/CD, observability, and ongoing management, we provide a holistic partnership for the entire lifecycle of your microservices ecosystem.
Risk-Free Engagement
Gain confidence with our 2-week paid trial. We are so sure of our value that we offer a free-replacement guarantee for any non-performing professional, ensuring your project never loses momentum.
Our Comprehensive Microservices & API-First Services
Microservices Readiness Assessment
We evaluate your existing architecture, business goals, and organizational structure to create a data-driven roadmap for a successful microservices adoption.
- Identify high-impact domains for initial migration.
- Assess cultural and technical readiness for distributed systems.
- Define clear KPIs to measure the ROI of your transformation.
Domain-Driven Design (DDD) Workshops
Our experts facilitate collaborative workshops to map your complex business domains into well-defined, bounded contexts, forming the logical foundation for your microservices.
- Establish a ubiquitous language between business and tech teams.
- Design loosely coupled services with high functional cohesion.
- Prevent future complexity by getting the service boundaries right.
API-First Design & Governance
We help you design your APIs as first-class products, ensuring they are consistent, secure, and easily consumable by internal and external developers.
- Implement OpenAPI/Swagger for clear, machine-readable contracts.
- Establish robust versioning, security, and lifecycle management policies.
- Create a central API style guide to ensure consistency across all services.
Event-Driven Architecture (EDA) Strategy
We design asynchronous, event-driven systems that enhance resilience, scalability, and real-time data processing capabilities for complex workflows.
- Decouple services for extreme fault tolerance and independent scaling.
- Enable real-time analytics, notifications, and complex event processing.
- Select the right messaging technology (Kafka, RabbitMQ, SQS) for your use case.
Microservice Development
Our AI-enabled PODs build robust, scalable, and maintainable microservices using modern technology stacks like .NET, Java (Spring Boot), Python, Node.js, and Go.
- Containerize services using Docker for portability and consistency.
- Implement best practices for inter-service communication (REST, gRPC, GraphQL).
- Develop comprehensive automated testing suites for each service.
API Gateway Implementation
We deploy and configure powerful API gateways (e.g., AWS API Gateway, Azure API Management, Kong) to manage traffic, security, and observability for your APIs.
- Centralize authentication, authorization, and rate limiting.
- Simplify client interactions by aggregating multiple service calls.
- Gain critical insights through centralized logging and monitoring.
Monolith Decomposition & Migration
Using the Strangler Fig pattern and other proven techniques, we systematically and safely carve out functionality from your legacy monolith into new microservices with zero downtime.
- Prioritize migration based on business impact and technical feasibility.
- Ensure data consistency between the monolith and new services during transition.
- Incrementally reduce the monolith's scope, de-risking the modernization process.
Serverless & Function-as-a-Service (FaaS)
We build highly efficient, cost-effective solutions using serverless platforms like AWS Lambda and Azure Functions, perfect for event-driven and stateless workloads.
- Eliminate infrastructure management and pay only for execution time.
- Achieve massive, automatic scaling for unpredictable traffic patterns.
- Accelerate development for event processing, data transformation, and API backends.
Kubernetes & Container Orchestration
We are experts in deploying, managing, and scaling applications on Kubernetes, providing a resilient and automated platform for your microservices ecosystem.
- Automate deployment, scaling, and self-healing of your services.
- Implement multi-cloud and hybrid-cloud strategies with a consistent platform.
- Optimize resource utilization and reduce infrastructure costs.
DevSecOps & CI/CD Pipelines
We build fully automated CI/CD pipelines that enable your teams to build, test, and deploy individual microservices independently, safely, and rapidly.
- Integrate security scanning (SAST, DAST) directly into the pipeline.
- Implement advanced deployment strategies like Canary and Blue-Green.
- Drastically reduce manual effort and the risk of human error in releases.
Service Mesh Implementation (Istio, Linkerd)
We deploy service meshes to provide a dedicated infrastructure layer for making service-to-service communication safe, reliable, and observable across your entire system.
- Implement intelligent traffic routing, load balancing, and circuit breaking.
- Enforce security policies and mutual TLS (mTLS) for all traffic.
- Gain deep visibility into service performance with distributed tracing.
Observability & AIOps
We implement a unified observability stack (Prometheus, Grafana, ELK, Jaeger) to provide deep insights into the health and performance of your distributed system.
- Correlate logs, metrics, and traces to rapidly diagnose issues.
- Set up intelligent alerting and leverage AIOps for proactive problem detection.
- Create dashboards that provide a single pane of glass view of system health.
Real-World Results: From Monolith to Market Leader
FinTech Payment Platform Scales for Global Demand
Industry: Financial Technology (FinTech)
- Alex Royce, CTO, FinSecure Payments
The Challenge: A rapidly growing payment processing platform was hitting a wall with its monolithic Java application. Every new feature deployment was a high-risk, all-or-nothing event, and transaction processing times were degrading during peak hours, threatening their SLAs with major banking partners.
Our Strategic Solution
We partnered with their team to implement a phased migration to an event-driven microservices architecture on AWS, using Kafka as the central nervous system.
- Carved out the core "Payment Processing" and "Fraud Detection" services first.
- Implemented a robust API Gateway for secure partner integrations.
- Built a comprehensive observability stack for real-time transaction monitoring.
- Automated deployment pipelines for each service, enabling independent releases.
E-commerce Giant Personalizes Shopping at Scale
Industry: Retail & E-commerce
- Sophia Dalton, VP of Digital Experience, StyleHub
The Challenge: A major online retailer's monolithic e-commerce platform made it impossible to innovate quickly. Adding new features like personalized recommendations or a mobile-first checkout was a 6-month project, causing them to lose ground to more agile competitors.
Our Strategic Solution
We architected a headless commerce solution, decoupling the frontend from the backend by creating a suite of fine-grained microservices for Product Catalog, Inventory, Orders, and User Profiles.
- Implemented a GraphQL API layer to provide flexible data access for any frontend.
- Built a new "Recommendation Engine" microservice that could be updated daily.
- Containerized all services and deployed them on Google Kubernetes Engine for auto-scaling.
- Enabled A/B testing of new features on a small subset of users before full rollout.
SaaS Platform Achieves 99.99% Uptime and Reduces Costs
Industry: Software-as-a-Service (SaaS)
- Marcus Dyer, Head of Platform Engineering, ConnectSphere
The Challenge: A B2B SaaS company was struggling with reliability. A bug in one minor feature of their .NET monolith could bring down the entire platform for all customers. Their infrastructure costs were also spiraling as they had to scale the entire application, even if only one part was under heavy load.
Our Strategic Solution
We worked with them to decompose their application into logical services like Authentication, Reporting, and Data Ingestion, and migrated them to Azure Kubernetes Service (AKS).
- Isolated service failures, preventing cascading outages and improving overall platform stability.
- Enabled independent scaling of services, optimizing resource usage.
- Implemented DevSecOps pipelines to ensure each service was secure and compliant.
- Set up a service mesh to manage inter-service traffic and enforce security policies.
Technology Stack & Tools We Master
We use a modern, best-in-class technology stack to build and manage high-performance distributed systems.
What Our Clients Say
"The clarity CIS brought to our API strategy was exceptional. They helped us move from a chaotic set of internal endpoints to a governed, product-centric API ecosystem that is now a core part of our business value."
"We were hesitant about the complexity of microservices. The CIS team's Domain-Driven Design workshop was an eye-opener. It aligned our business and tech teams in a way that had never happened before, making the entire process logical and manageable."
"Their DevSecOps expertise is top-notch. Our deployment frequency went from monthly to multiple times a day, and our security posture has never been stronger. They built us a true high-velocity engineering platform."
Frequently Asked Questions
An API-First approach means that the API is treated as a primary product. It is designed, documented, and built before the application that consumes it. This forces a contract-based development model. API-Driven is a broader term where APIs are central to the architecture, but they might not have been designed 'first'. We champion an API-First approach as it leads to better-designed, more reusable, and more consistent APIs.
This is a critical challenge in distributed systems. We avoid distributed transactions (2PC) due to their complexity and performance overhead. Instead, we implement patterns like the Saga pattern, which manages consistency through a sequence of local transactions and compensating actions for failures. For data sharing, we use event-driven patterns like Event Sourcing and CQRS to ensure eventual consistency across services.
It can be, which is why a mature DevOps and Platform Engineering practice is non-negotiable. We mitigate this complexity by building robust automation from the start. This includes automated CI/CD pipelines, container orchestration with Kubernetes, centralized observability (logging, metrics, tracing), and often a service mesh to manage inter-service communication. The goal is to automate the operational burden so your teams can focus on building business value.
There's no one-size-fits-all answer, as it depends on the monolith's size and complexity. However, we do not advocate for "big bang" migrations. Our approach is iterative. We aim to deliver the first, high-impact microservice into production within 3-4 months. A full decomposition can take anywhere from 12 to 24+ months, but you'll be realizing business value and agility improvements continuously along the way.
Ready to Build for the Future?
Let's discuss how a modern, API-first architecture can unlock your team's potential and accelerate your business growth. Schedule a free, no-obligation consultation with our expert architects today.
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