Microservices & Cloud-Based APIs

Big systems don’t necessarily need to be heavy. Microservices and cloud-based APIs let you stay away from enormous architectures that bring updates to a standstill. Done right, they give you a modular, flexible foundation for features to ship faster and failures stay controlled.

At River API, our developers design microservice architectures and cloud APIs that match the reality of your business. Whether you're breaking up a monolith architecture, building a platform from scratch, or trying to refactor legacy code, we build microservices and cloud-based APIs that scale with your business.

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Our microservices & cloud-based APIs

Microservices Architecture Design

We design distributed systems from scratch, mapping domains, defining clear service boundaries, and setting communication standards that don’t collapse under high traffic.

Microservices Development

From single service builds to full ecosystems, River API codes lightweight, independent microservices that communicate efficiently and scale without putting the whole system down.

Cloud-Native API Development

At River API, we build APIs for the cloud era. RESTful APIs, GraphQL endpoints, event-driven architectures, and more are built with robustness and scalability in mind.

Monolith to Microservices Migration

If you’re stuck inside a slow-moving monolith architecture, our developers can help you plan, prioritise, and execute a smart microservice migration strategy.

Ready to change slow systems for modular architecture that keeps up with your business?
Let’s build it right from the start.

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Our Microservices & Cloud-Based APIs Development Process

Map the real domain

We start by understanding how your business works. Any smart service design starts with absolute clarity and a defined roadmap.

Design for independence

Every microservice should stand on its own: deployable, testable, and fixable without bringing half your stack down. We define APIs that keep services decoupled but still talking when it matters.

Build clean, container-ready code

Our devs build microservices that are light, secure, and built for deployment on Docker, Kubernetes, or any other tool that fits your tech stack.

Wire up cloud-native communications

REST, GraphQL, gRPC, event-driven messaging: our API developers pick the right protocols for the job and implement robust communication layers that don’t collapse under load or version drift.

Stress-test under real-world conditions

River API QAs don’t stop at unit tests. They simulate failure scenarios, latency spikes, and traffic surges to make sure your services degrade gracefully instead of falling catastrophically.

FAQ: Microservices & Cloud-Based APIs Development in the UK

What are the advantages of moving to microservices?

Microservices give you control. You ship faster, scale smarter, and isolate problems before they become outages. Instead of updating a giant system every time you tweak a feature, you deploy what you need and when you need it without risking the whole platform.

Is it worth breaking apart a working monolith?

Only if you have a real reason. If speed, flexibility, or scale are becoming painful, a smart migration to microservices makes sense. If your monolith is stable, fast, and easy to maintain, forcing a breakup can backfire. We help you figure it out with a real risk-benefit analysis.

How do you handle communication between microservices?

It depends on the system’s needs. For lightweight, synchronous calls, we often use REST or gRPC. For event-driven architectures, we wire up asynchronous messaging with brokers like RabbitMQ or Kafka. The goal isn’t "modern" for the sake of it, it’s picking protocols that will remain stable under heavy load.

What makes a cloud-based API different from a regular one?

Cloud-based APIs are built for environments that need to scale on demand, survive failures, and support distributed systems. Statelessness, security, resilience, and observability aren’t add-ons, they’re built into every layer from the start.

Do you help with Kubernetes, containerisation, and deployment too?

Yes. River API helps you containerise services with Docker, deploy them with Kubernetes or managed services like AWS ECS or EKS, and set up real monitoring.

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Tired of scaling systems that fail after every update? Let’s design microservices and APIs that work with your business, not against it.

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