If you want to learn data engineering in 2026, read these blog posts:

◉ Data Modeling

- Kimball Overview: lnkd.in/gYSTUUDt

- Kimball + dbt: lnkd.in/gKGeiXSP

- SCD: lnkd.in/gcBcrhtd

◉ SQL: lnkd.in/g9Z7RTnA

◉ OLAP

- Insights help you learn: lnkd.in/gBye2W-b

- OLTP vs OLAP, Making changes to the data: lnkd.in/gUBRrNiY

- OLTP vs OLAP, Data Format and Indexing: lnkd.in/gbgcQ3eX

- Partitioning vs Clustering: lnkd.in/d46eyiX7

- How do databases execute joins: lnkd.in/eyPR_JJ4

- Internal of BigQuery, Snowflake, Databricks, Redshift: lnkd.in/gcykRFac

- Internal of DuckDB: lnkd.in/eE9MAeA9

- Why we need open table formats (OTFs): lnkd.in/gBW73TFB

- How OTFs ensure ACID: lnkd.in/dKMwwZR6

- Considers when building LakeHouse: lnkd.in/gmGsXv3i

- Iceberg: lnkd.in/gbuMy8TT

- Delta Lake: lnkd.in/gumU4XcG

- Hudi: lnkd.in/g4X7QSck

◉ dbt: lnkd.in/gBg4Z8e7

◉ Data formats

- CSV, JSON, Avro, Parquet: lnkd.in/gnUssk82

- Parquet deep dive: lnkd.in/gAwdG3pd

- Apache Arrow deep dive: lnkd.in/gsZk6F2R

◉ Spark

- All fundamentals: lnkd.in/g8bzn5Fk

- Overview: lnkd.in/gxrkaAk3

- Resource allocation: lnkd.in/ga-wX-j6

- Scheduling process: lnkd.in/g7VrtHv3

- Planning: lnkd.in/gcCUpKev

- Memory management: lnkd.in/gPpyFK7j

- Databricks Spark vs Open-sourced Spark: lnkd.in/gSN7Vk33

- PySpark: lnkd.in/gwA-BWdp

- Spark Streaming: lnkd.in/gQMywJsz

- Spark Connect: lnkd.in/gfXsbQ35

◉ Single-node processing engine (e.g., Polars)

- Why single node engine: lnkd.in/g3cPTnXx

◉ Airflow

- Overview: lnkd.in/dVqxe3yF

- Executors: lnkd.in/dp5cfsqs

◉ Git: lnkd.in/gAGFuckM

◉ Docker: lnkd.in/gPsWUVZN

◉ Kubernetes

- Overview: lnkd.in/g58Y2gRR

- k8s + Spark: lnkd.in/gJ_dUu9j

◉ Kafka: lnkd.in/gSjKHWwW

◉ Flink

- Overview: lnkd.in/gvfTwMiu

- What makes Flink fast: lnkd.in/gni3yxcx

◉ AI

- LLMs: lnkd.in/gxWS5ZNK

- Vector DB: lnkd.in/g-GgqRzM

◉ Side projects

- Lakehouse on laptop: lnkd.in/gqQ4FaBT

(To be updated...)

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I'm writing articles for 𝟭𝟳,𝟬𝟬𝟬+ data engineers worldwide. Join the community with 𝟱𝟬% 𝗱𝗶𝘀𝗰𝗼𝘂𝗻𝘁 𝗼𝗻 𝘁𝗵𝗲 𝗮𝗻𝗻𝘂𝗮𝗹 𝘀𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻 now: