Canonical URL: https://leandataengineer.com/blog/ Blog # Ideas on lean data engineering. Practical writing on simpler architectures, maintainable analytics systems, and choosing the right level of complexity for the problem in front of you. Showing 9 articles on page 1 of 2. Article ## [AI Isn’t Replacing Data Engineers. It’s Changing Their Job.](https://leandataengineer.com/blog/ai-data-engineering/) Much of the discussion around AI in data engineering focuses on where AI fits into pipelines, analytics workflows, or orchestration platforms. There is growing interest in AI generated… May 28, 2026 7 min read Alejandro Colocho Article ## [What I Would Do as the First Data Engineer (First 90 Days)](https://leandataengineer.com/blog/first-90-days/) Most companies that hire their first data engineer are not starting from zero. Data already exists across the business, but it lives in spreadsheets, dashboards, and manual workflows that… April 22, 2026 5 min read Alejandro Colocho Article ## [Why Self Serve Analytics Fails in Small Data Teams (and What Actually Works)](https://leandataengineer.com/blog/why-self-serve-analytics-fail-in-small-data-teams/) Self serve analytics is often positioned as the solution to an overwhelmed data team. The idea is simple. Give business users access to data and tools so they can answer their own… April 14, 2026 5 min read Alejandro Colocho Article ## [Why Data Teams Don't Trust Their Data (And How to Fix It)](https://leandataengineer.com/blog/why-data-teams-don-t-trust-their-data-and-how-to-fix-it/) If you ask most teams why they don’t trust their data, the answers usually point to symptoms. Dashboards don’t match. Numbers change depending on who you ask. Reports require manual… April 9, 2026 6 min read Alejandro Colocho Article ## [If You're the Only Data Person at Your Company, Read This First](https://leandataengineer.com/blog/if-you-re-the-only-data-person-at-your-company-read-this-first/) Being the only data person at a company is often framed as an opportunity. You get ownership, autonomy, and the chance to build something from the ground up. In practice, it tends to feel… April 3, 2026 7 min read Alejandro Colocho Article ## [You Probably Don't Need Apache Iceberg Yet](https://leandataengineer.com/blog/you-probably-don-t-need-apache-iceberg-yet/) Most teams exploring Apache Iceberg are not actually dealing with the problems Iceberg was designed to solve. March 27, 2026 7 min read Alejandro Colocho Article ## [Streamlit vs Dash for Data Applications: Architecture, Tradeoffs, and When to Use Each](https://leandataengineer.com/blog/streamlit-vs-dash-for-data-applications-architecture-tradeoffs-and-when-to-use-each/) As data teams move beyond dashboards and begin building internal tools, the problem shifts from visualizing data to operationalizing it. At that point, the question is no longer how to… March 20, 2026 8 min read Alejandro Colocho Article ## [From WhatsApp to Order System: How Distributors Should Scale Operations](https://leandataengineer.com/blog/from-whatsapp-to-order-system-how-distributors-should-scale-operations/) Many small distributors do not begin with structured systems or formal processes. They build their operations around whatever allows them to move quickly and serve customers without… March 17, 2026 6 min read Alejandro Colocho Article ## [Lean Data Architecture: Designing Simple Analytics Systems That Scale](https://leandataengineer.com/blog/lean-data-architecture-designing-simple-analytics-systems-that-scale/) The modern data tooling market is crowded. Each year new platforms promise faster pipelines, real time analytics, or infinite scalability. Spark clusters, streaming frameworks, lakehouses,… March 13, 2026 13 min read Alejandro Colocho Page 1 of 2 1 [2](https://leandataengineer.com/blog/page/2/) [Next](https://leandataengineer.com/blog/page/2/) ## Related Markdown pages - [AI Isn’t Replacing Data Engineers. It’s Changing Their Job.](https://leandataengineer.com/blog/ai-data-engineering/index.md) - [What I Would Do as the First Data Engineer (First 90 Days)](https://leandataengineer.com/blog/first-90-days/index.md) - [Why Self Serve Analytics Fails in Small Data Teams (and What Actually Works)](https://leandataengineer.com/blog/why-self-serve-analytics-fail-in-small-data-teams/index.md) - [Why Data Teams Don't Trust Their Data (And How to Fix It)](https://leandataengineer.com/blog/why-data-teams-don-t-trust-their-data-and-how-to-fix-it/index.md) - [If You're the Only Data Person at Your Company, Read This First](https://leandataengineer.com/blog/if-you-re-the-only-data-person-at-your-company-read-this-first/index.md) - [You Probably Don't Need Apache Iceberg Yet](https://leandataengineer.com/blog/you-probably-don-t-need-apache-iceberg-yet/index.md) - [Streamlit vs Dash for Data Applications: Architecture, Tradeoffs, and When to Use Each](https://leandataengineer.com/blog/streamlit-vs-dash-for-data-applications-architecture-tradeoffs-and-when-to-use-each/index.md) - [From WhatsApp to Order System: How Distributors Should Scale Operations](https://leandataengineer.com/blog/from-whatsapp-to-order-system-how-distributors-should-scale-operations/index.md) - [Lean Data Architecture: Designing Simple Analytics Systems That Scale](https://leandataengineer.com/blog/lean-data-architecture-designing-simple-analytics-systems-that-scale/index.md) - [/blog/page/2/](https://leandataengineer.com/blog/page/2/index.md)