Categories

AI & LLMs

Practical LLM engineering: DeepSeek-R1, Transformer Attention, DPO, vLLM benchmarks, RAG Caching, and Vision-Language Models.

• RAG Is Not a Silver Bullet: 7 Failure Modes We Hit Shipping a Production Retrieval Pipeline
• DeepSeek-R1 Architecture: How Mixture of Experts (MoE) & Reasoning Fine-Tuning Scale Intelligence
• Transformer Attention Mechanisms: Scaled Dot-Product vs Multi-Query Attention (MQA)

Career & Interview

Honest tech career advice: Capacity planning formulas, Top 10 Trade-offs, ATS resume engineering, Staff Engineer negotiation, and RFCs.

• Why 'Tell Me About a Time You Failed' Trips Up Senior Engineers (and How to Actually Answer It)

Cloud Computing

Real-world infrastructure: Karpenter EKS scaling, AWS IAM security, Kubernetes pod lifecycle, DynamoDB, and GitOps ArgoCD.

• Kubernetes Pod Autoscaling: HPA, VPA, and KEDA — When Each One Actually Helps
• Zero Trust Cloud Security: Enforcing WireGuard & Tailscale Mesh Networks for Microservices
• Kubernetes Pod Lifecycle & Graceful Shutdown: Handling SIGTERM vs SIGKILL

Data Engineering

Field notes on Apache Iceberg vs Delta, Debezium CDC, Snowflake clustering, Parquet dictionary encoding, Flink, and dbt.

• XGBoost vs LightGBM: Benchmarking Tabular Data Processing Speed & Accuracy
• MLOps Model Registry Patterns: Tracking Artifacts with MLflow & S3
• Data Drift Detection in Production ML: Population Stability Index (PSI) & Monitoring

Product & Updates

Engineering behind developerOS, Next.js 15 Server Actions & Edge Analytics, Changesets monorepos, and CloudPrep releases.

System Design

Production architecture: BullMQ notifications, Collaborative CRDTs, Database Sharding, CQRS Event Sourcing, gRPC, and Istio.

• Designing a Distributed Rate Limiter: Token Bucket, Sliding Window, and the Redis Trade-off Nobody Mentions
• Designing a Real-Time Collaborative Whiteboard canvas with WebSockets & Yjs
• CQRS and Event Sourcing: Building Immutable Audit Logs with EventStoreDB