Engineering systems that scale to millions

Software consulting for high-stakes enterprise systems. Payment processing, SaaS platforms, and data pipelines trusted by global brands.

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⚡ sierra@scripts ~ /projects
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Enterprise Clients
Trusted By

Partners & Clients

John Lewis
John Lewis </retail>
Moya
MoyaApp </messaging>
HugeConnect
HugeConnect </telecom>
Fliff
Fliff </fintech>
Equal Experts
Equal Experts </consulting>
Prosymmetry
Prosymmetry </saas>
Monkey & River
Monkey & River </payments>
Kampman Engineering
Kampman Engineering </industrial>

Building reliable systems for regulated, high-precision environments

We specialize in high-scale backend systems for national and international enterprise clients. Our work spans SaaS platforms used by companies like Pfizer, Disney and Nedbank.

From payment services processing over $15M per month to messaging products with around 10 million monthly active users — we deliver systems trusted with tens of millions of dollars.

Our expertise extends to event-processing and ad-serving pipelines behind major e-commerce platforms, handling hundreds of millions of events and user interactions.

Payment Systems

PCI-compliant financial flows processing millions in transactions

SaaS Platforms

Enterprise applications for global brands at massive scale

Data Pipelines

Event processing handling 100M+ interactions daily

Cloud Architecture

Modern infrastructure built for reliability and scale

Messaging Systems

Real-time communication for 10M+ monthly users

Security & Compliance

Regulated financial systems with enterprise-grade security

Let's build something together

Ready to discuss your next high-scale project?

taetse@sierrascripts.co.za