MirahLabs Engineering Blog
Technical insights, tutorials, and architectures written by our design and backend engineers.
AWS IAM Best Practices: The Principle of Least Privilege in Action
Weak IAM policies are the most common gateway for AWS environment breaches. Implement role-based access control, condition keys, and automated access reviews.
Fine-Tuning LLMs with LoRA: A Practical Guide
Low-Rank Adaptation (LoRA) lets you fine-tune large language models efficiently with minimal GPU memory. Learn how to apply LoRA to domain-specific AI tasks step by step.
Writing C Extensions in Python: Cython, Pybind11, and Ctypes
When Python is too slow, compile key functions to C. Compare Cython, Pybind11, and ctypes for raw performance speedups in numeric and CPU-bound algorithms.
Serverless Architecture with AWS Lambda: When to Use It and When to Avoid It
Serverless reduces operational overhead dramatically, but it's not suitable for every workload. Understand Lambda cold starts, concurrency limits, cost profiles, and ideal use cases.
Designing High-Availability Systems: Active-Active vs. Active-Passive Configurations
Maximize uptime for mission-critical applications. Compare active-active and active-passive cluster topologies, load balancing, and failover mechanics.
Metaprogramming in Python: Metaclasses, Class Decorators, and Code Generation
Write code that writes code. Learn how to use class decorators, __new__ and __init__ overrides, and custom metaclasses to customize class creation dynamically.