EngineeringSep 28, 2025

Why System Design Matters More Than Code

Building scalable institutions requires thinking in systems, not just features.

Why System Design Matters More Than Code

Building scalable institutions requires thinking in systems, not just features.

1. Introduction

Engineers often believe software success comes from writing cleaner code, choosing the "right" language, or optimizing performance.

But institutions don't fail because a function was poorly written.

They fail because the system was never designed correctly.

Somalia — like many developing digital ecosystems — suffers not from lack of code, but from lack of system thinking:

  • fragmented platforms
  • duplicated databases
  • inconsistent logic
  • no ownership boundaries
  • poor interoperability
  • no long-term maintainability

This insight explains why large-scale systems succeed or collapse — and why good engineers must think beyond code.

2. Code Solves a Task. System Design Solves a Country-Level Problem.

Consider three layers:

  • Feature (Code)
  • System (Architecture)
  • Institution (Governance + Operations)

Most teams only build the top layer.

That's why their products break under real usage.

Somalia's institutional landscape requires engineers to design systems that:

  • work in low-bandwidth environments
  • integrate with federal + state workflows
  • operate offline
  • support hierarchical permissions
  • connect to national registries
  • support multi-department processes
  • allow clean audits + reporting

This is system design, not feature coding.

3. Why Systems Fail in Government & Large Organizations

There are seven recurring patterns that collapse national systems:

1. No clear architecture

Teams start coding without:

  • data models
  • ownership maps
  • integration diagrams
  • lifecycle rules

2. Every feature behaves like an island

Departments request features → developers implement them → systems grow in disconnected pieces.

3. Multiple systems store the same data

Population data in five different systems?

Workforce data in four?

License data in three?

This kills national consistency.

4. No interoperability layer

APIs are an afterthought.

Ministries can't talk to each other.

Services can't connect.

5. No scalability plan

Systems work for 10 users → break at 100 → die at 1,000.

6. Business rules are not encoded

If regulations aren't translated into code structures, the system becomes cosmetic — not operational.

7. No observability

Nobody knows:

  • what's slow
  • what's failing
  • who did what
  • where errors happen

In Somalia, these failures cost millions and delay national progress.

4. System Thinking Begins with Models, Not Interfaces

Good engineers design flows before features.

4.1 Example: Citizen Permit Process

Most developers jump into UI or endpoints.

System designers start with this:

Citizen → Submit Request
          ↓
        Validation
          ↓
   Multi-level Review
   (District → State → Federal)
          ↓
       Approval
          ↓
   Digital Certificate

From this flow, we derive:

  • required data
  • roles
  • timelines
  • business rules
  • integration points

System design transforms abstract processes into codable architecture.

5. The True Layers of a Government-Grade System

+-----------------------------------------------------------+
|  Layer 5: Analytics & National Dashboards                 |
+-----------------------------------------------------------+
|  Layer 4: Business Rules & Workflow Engine                |
+-----------------------------------------------------------+
|  Layer 3: Core Domain Models                              |
+-----------------------------------------------------------+
|  Layer 2: API & Interoperability                          |
+-----------------------------------------------------------+
|  Layer 1: Data Storage & Persistence                      |
+-----------------------------------------------------------+

Code only lives in the bottom layer.

Real engineering happens above code:

  • modeling
  • workflows
  • policies
  • consistency
  • scalability
  • integrations

This is system engineering.

6. Example Diagram: Bad vs Good Architecture

❌ Bad Architecture (Feature-Driven)

Feature A → DB A
Feature B → DB B
Feature C → DB C

Symptoms:

  • duplication
  • inconsistency
  • constant bugs
  • heavy maintenance

✅ Good Architecture (Domain-Driven)

                    ┌───────────────┐
                    │   Core Domain  │
                    └───────┬───────┘
                            │
         ┌──────────────────┼──────────────────┐
         ▼                  ▼                  ▼
   Feature A           Feature B           Feature C

One domain.

One model.

Multiple features extend it.

This is how to build national-scale systems.

7. Why System Design Matters More in Somalia

Somalia has unique constraints:

7.1 Distributed governance

Federal → Member States → Districts → Facilities

Each layer has:

  • different permissions
  • different workflows
  • different data needs

7.2 Unreliable connectivity

Offline-first is a must.

7.3 Donor fragmentation

Systems must integrate — not compete.

7.4 Low digital literacy

Interfaces must be simple.

Errors must be forgiving.

7.5 No central data standards

Engineers must define:

  • schemas
  • formats
  • validation checks

System design solves these challenges.

8. The System Designer's Toolkit

A good system design process includes:

  1. Domain Modeling

    Entities and relationships.

  2. Workflow Mapping

    Approval flows, loops, exceptions.

  3. Integration Diagrams

    How systems talk to each other.

  4. Data Ownership

    What registry is the source of truth?

  5. API Contracts

    Clear request/response structures.

  6. Role & Permission Matrix

    Who can do what at each level.

  7. Observability Plan

    Metrics, logs, tracing, audits.

  8. Error Handling Strategy

    User-friendly and recoverable.

  9. Documentation Layer

    So future teams understand the system.

This is the real engineering work.

9. System Design = Long-Term Cost Reduction

Without system design:

  • features break
  • maintenance explodes
  • new developers cannot onboard
  • institutional memory disappears
  • every update becomes a risk

With system design:

  • systems last 10+ years
  • onboarding becomes easy
  • features become modular
  • integrations become predictable
  • institutions gain trust

System design is not extra work.

It is the work.

10. A Realistic 5-Year Roadmap for Somali Institutions

  • Year 1 → Establish domain models + APIs
  • Year 2 → Build core platforms with interoperability
  • Year 3 → Integrate departments and workflows
  • Year 4 → Add analytics + dashboards
  • Year 5 → Expand national digital services

This roadmap ensures that code supports systems — not the other way around.

11. Conclusion

Code alone cannot fix institutional problems.

Features alone cannot scale national systems.

Pretty UIs alone cannot transform public services.

Systems do that.

When engineers think in systems:

  • governments work better
  • citizens experience better services
  • institutions become more resilient
  • national progress accelerates

This is why system design will always matter more than code.