EXN/Services/System Architecture
Service — SVC.03

System
Architecture

The decisions that outlive every line of code. We design cloud-native systems, service boundaries, and data platforms that handle 100 users or 10 million — without the rewrite in between.

ScopeCloud · Microservices · Data
FocusScale & Reliability
PracticeIaC · CI/CD · Observability
ResponseWithin 24 hours
01 /

Overview

Every system carries its architecture like a skeleton: invisible when it's right, painful with every movement when it's wrong. Features can be rewritten in a sprint — architecture mistakes compound for years, taxing every deploy, every incident, and every new engineer.

We design and evolve the load-bearing decisions: how your system is divided into services, how data flows and where it lives, how infrastructure is provisioned and deployed, and how you'll know — before your users do — when something breaks. Designed for where you're going, sized for where you are.

Typical Engagements

  • Architecture for a new product or platform
  • Monolith → services migration
  • Scaling a system that's hit its ceiling
  • Cloud migration & cost optimisation
  • Architecture review & audit
02 /

What's included

SA.01

Cloud Architecture

Cloud-native design on AWS or GCP with infrastructure as code — environments you can rebuild from scratch in an afternoon, not archaeology nobody dares touch.

AWSGCPTerraformKubernetes
SA.02

Services & APIs

Service boundaries drawn where they belong — around business capabilities, not org charts. APIs, events, and contracts that let teams ship independently.

MicroservicesEvent-DrivenAPI Design
SA.03

Data & Scale

Storage engines chosen for the access patterns you actually have, plus the caching, queues, and replication that keep p99 flat while traffic multiplies.

PostgreSQLCachingQueuesSharding
SA.04

Reliability & Ops

CI/CD pipelines, observability, and incident readiness — so deploys are routine, failures are visible, and 3 AM pages are rare and short.

CI/CDMonitoringSRE
03 /

How we work

01

Assess

We map the current system, its bottlenecks, and its real constraints — traffic, team, budget. Architecture that ignores context is just a diagram.

02

Design

A target architecture with the trade-offs written down: what we chose, what we rejected, and why. Decisions you can defend in two years, not just in the kickoff meeting.

03

Validate

Load tests, failure drills, and proof-of-concept spikes on the risky parts. The design earns trust under pressure before anything migrates.

04

Migrate

Incremental migration with the old system alive until the new one has proven itself — strangler-fig, not big-bang. Your users shouldn't notice a thing.

05

Operate

Dashboards, runbooks, and a team that knows the system because it helped build it. We stay until yours is confident — and after, if you want us.

04 /

Track record

0M+
Users On Our Systems
0.9%
Uptime Targets Met
0
Big-Bang Rewrites Needed

The systems behind our portfolio — live video, payments, game networks — all share one trait: they were designed to grow before they had to. That's the entire discipline, and it's cheaper than the alternative every single time.

05 / Next

Built
to scale.