Data Engineer Roadmap

⚙️ Data Engineer Roadmap

Your guide to building and maintaining robust data pipelines and infrastructure

1
Programming & CS Fundamentals
3-6 months

🐍
Core Programming
Master Python for data tasks and develop deep proficiency in SQL for data querying and transformation.
Python
Pandas
Advanced SQL

💻
CS Foundations
Understand essential data structures, algorithms, operating systems, and networking concepts.
Data Structures
Algorithms
Linux/Bash

🔧
Development Tools
Gain proficiency in version control with Git and containerization with Docker for reproducible environments.
Git
GitHub
Docker

2
Databases & Data Warehousing
3-6 months

🗄️
Database Systems
Learn the principles and use cases for relational (PostgreSQL) and NoSQL (MongoDB, DynamoDB) databases.
SQL
NoSQL
OLTP vs OLAP

🏠
Data Warehousing
Master concepts of modern cloud data warehouses like Snowflake, BigQuery, and Redshift for analytics.
Snowflake
BigQuery
Redshift

📊
Data Modeling
Understand techniques for designing effective data schemas, including dimensional modeling (star/snowflake).
Dimensional Modeling
Star Schema
dbt

3
Big Data Technologies
4-6 months

Batch Processing Frameworks
Gain deep expertise in Apache Spark for large-scale distributed data processing and analytics.
Apache Spark
Hadoop
MapReduce

🌊
Stream Processing
Learn to build real-time data pipelines using technologies like Apache Kafka, Flink, and Spark Streaming.
Apache Kafka
Apache Flink
Kinesis

🏛️
Data Lake & Lakehouse
Understand Data Lakes (S3/GCS) and the modern Lakehouse architecture (Delta Lake, Iceberg, Hudi).
Data Lake
Delta Lake
Parquet

4
Data Orchestration & Pipelines
Ongoing Practice

💨
Workflow Orchestration
Master tools like Apache Airflow or Dagster to schedule, monitor, and manage complex data workflows.
Apache Airflow
Dagster
Prefect

🔄
ETL/ELT Design
Learn to design, build, and optimize robust and scalable ETL (Extract, Transform, Load) and ELT pipelines.
ETL
ELT
Data Pipelines

Data Quality & Testing
Implement frameworks like Great Expectations and dbt tests to ensure data accuracy and reliability.
Data Quality
Data Testing
Great Expectations

5
Cloud & DataOps
Ongoing

☁️
Cloud Platforms
Gain hands-on experience with the data services of major cloud providers (AWS, GCP, Azure).
AWS (S3, Glue)
GCP (GCS, Dataflow)
Azure (ADLS)

📜
Infrastructure as Code (IaC)
Use Terraform to define and manage your data infrastructure programmatically for consistency and scalability.
Terraform
IaC
Deployment

🚢
CI/CD for Data (DataOps)
Apply DevOps principles to data pipelines, creating automated CI/CD workflows for testing and deployment.
CI/CD
GitHub Actions
DataOps

6
Governance & The Ecosystem
Mastery

🛡️
Data Governance & Security
Understand principles of data security, privacy (GDPR, CCPA), access control, and data cataloging tools.
Data Governance
Security
Data Catalog

🤖
MLOps Support
Learn to build the infrastructure and feature stores required to support Machine Learning engineers and Data Scientists.
MLOps
Feature Stores
Model Deployment

🌐
Modern Data Architectures
Stay current with emerging architectural patterns like the Data Mesh and understand their implications for the enterprise.
Data Mesh
Data Fabric
Architecture