Written by engineers,
for engineers

Technical deep-dives, hard-won lessons, and practical guides from the team that builds and operates enterprise systems every day.

DevOps

GitOps in 2025: ArgoCD vs Flux — Which Should You Choose?

We've deployed both in production. Here's a no-nonsense comparison based on real-world operational experience across 20+ clusters.

Bytex Engineering Jan 2025 7 min
AI & Data

Building Production RAG Pipelines: Lessons from 10 Deployments

RAG looks simple in demos. In production, it's a different beast. Here are the failure modes we hit and how we solved them.

Bytex AI Team Jan 2025 12 min
Kubernetes

Kubernetes Cost Optimisation: 8 Patterns We Use in Every Cluster

Namespace resource quotas, VPA, KEDA, spot instances — practical patterns that have cut our clients' k8s bills by 30–50%.

Bytex Engineering Nov 2024 10 min
Security

Zero-Trust for Teams That Can't Afford to Rebuild Everything

A pragmatic zero-trust migration path for organisations with existing infrastructure — step by step, without a rip-and-replace.

Bytex Security Nov 2024 8 min
Cloud

AWS Reserved Instances vs Savings Plans in 2025: What's Actually Better?

The answer is "it depends" — but we'll be specific about exactly what it depends on, with a decision tree you can actually use.

Bytex Engineering Oct 2024 6 min
AI & Data

Prompt Engineering Is Not Enough: When to Fine-Tune vs RAG vs Both

Three approaches to customising LLM behaviour, when each makes sense, and the hidden costs most teams don't account for.

Bytex AI Team Oct 2024 11 min
Software

The API Design Mistakes We See Every Month (and How to Fix Them)

After reviewing hundreds of APIs, the same patterns keep causing pain. Here's the checklist we wish every team had read first.

Bytex Engineering Sep 2024 8 min
Engineering Culture

What We Look for When We Hire Engineers (That We Never Write in Job Posts)

The traits that separate engineers who thrive at Bytex from those who don't — written honestly, not as a recruitment pitch.

Isaac Lucio Sep 2024 5 min