Open Source

Understand how ChatGPT actually works by building a small one end to end: tokenizer, training and text generation.

• deep-learning
• llm
• numpy
• python

Catch malicious files with machine learning, then test how easily an attacker can fool it, because they will try.

• adversarial-ml
• lightgbm
• machine-learning
• malware-detection

Keeps an order, its payment and its stock consistent across services, and undoes them cleanly when one step fails.

• java
• kafka
• microservices
• saga-pattern

One customer must never see another's data: multi-tenant isolation with a test suite that actively tries to break in.

• multi-tenancy
• nestjs
• postgresql
• row-level-security

The writing that gets you promoted, not just the code: RFCs, design reviews and postmortems for your own projects.

• architecture-decision-records
• design-docs
• engineering-leadership
• postmortems

The reference you reach for when you need the right data structure under load: every core one in Java, Python and JS, with one test suite proving they behave identically.

• algotithms
• benchmarks
• data-structures
• java

Stops 'it passed the sample input' from meaning 'it's correct': classic algorithms in three languages, each with a correctness argument and its real running time measured.

• algorithms
• complexity-analysis
• dynamic-programming
• graph-algorithms

Treats security alerts like software: detections written in Sigma, tested against real attack logs, deployed through CI.

• blue-team
• detection-engineering
• mitre-attack
• python

Get fresh analytics without hammering the production database: stream every change into a lakehouse you can query with SQL, seconds behind live.

• apache-iceberg
• change-data-capture
• debezium
• kafka

Stops an upstream change silently breaking every downstream dashboard: producers publish a contract and CI blocks breaking changes.

• continuous-integration
• data-contracts
• data-engineering
• data-quality

Stops a tampered or vulnerable image reaching production: every image is scanned, signed and traceable, and the cluster refuses anything else.

• devsecops
• go
• sbom
• sigstore

A backup you never tested is not a backup: an operator that backs up Postgres and proves each backup can actually be restored.

• backup
• disaster-recovery
• go
• kubebuilder

Why databases like Cassandra stay fast while writing constantly: a storage engine built to survive a crash without losing a single acknowledged write.

• database
• go
• key-value-store
• lsm-tree

Lets many people edit one document at once, even offline, and never lose an edit: the engine behind Google-Docs-style editing.

• collaborative-editing
• crdt
• distributed-systems
• local-first