Data Engineering Resources

Building Production-Grade Delta Lake Pipelines With Apache Spark on Databricks

This article walks through building a modern Databricks pipeline using the Medallion Architecture, explains Delta Lake's transaction log and ACID guarantees.

July 8, 2026

by Jubin Soni, FBCS

CORE

· 1,533 Views · 1 Like

AI Won't Keep You from Hitting the Scalability Wall

AI coding tools can dramatically speed up integration builds — but speed isn't the bottleneck. The real issue is the long-term ownership cost.

July 8, 2026

by Bru Woodring

· 1,714 Views

Building an AI Incident Copilot: How I Automated the First 15 Minutes of Every Production Incident

incopilot is an open-source Python CLI that automates the first 15 minutes of production incident triage — collecting logs, detecting failure patterns, and incidents.

July 7, 2026

by Sudhakararao Sajja

· 2,928 Views · 1 Like

A Step-by-Step Guide to Implementing Columnar Tables in SQL Server

SQL Server columnar storage organizes data by columns instead of rows, delivering faster queries, better compression, and efficient analytics.

July 7, 2026

by arvind toorpu

CORE

· 2,563 Views · 1 Like

AI Can't Defend What It Can't See

AI can only defend what it can see. Give it incomplete data, and it won't warn you. It quietly reports everything as healthy while real attacks slip through unseen.

July 7, 2026

by Jithu Paulose

· 2,339 Views · 2 Likes

Designing Tool-Calling AI Agents That Survive Production: A LangGraph Approach

AI agents work in demos and break into production. This LangGraph tutorial builds tool-calling agents that are fail-safe: validated, bounded, and observable.

July 7, 2026

by Shubham Gupta

· 1,918 Views

Building a Mortgage Agent With FRED Data, FastAPI, and LLM Tool Calling

A walkthrough of an open-source intelligent FastAPI app that pairs Freddie Mac benchmarks from FRED with a first-time buyer chat assistant.

July 7, 2026

by Sushma Kukkadapu

· 2,293 Views

How to Build a Production-Ready RAG Pipeline With Vector DBs

RAG prototypes are easy. Production RAG is not. This covers vector DB tradeoffs, chunking patterns, re-ranking, and evaluation setups that hold up at scale.

July 6, 2026

by Mark Saxon

· 3,342 Views · 1 Like

Developer’s Checklist: How to Build an FHE Application

This step-by-step checklist breaks down FHE app development from plaintext design to encrypted implementation and offers open-source tools to get you started.

July 6, 2026

by David Archer

· 1,012 Views

HTTP QUERY in Java: The Missing Method for Complex REST API Searches

HTTP QUERY gives Java REST APIs a cleaner way to handle complex searches with request bodies, avoiding long URLs and POST misuse while keeping reads explicit.

July 6, 2026

by Otavio Santana

CORE

· 2,130 Views

Parquet vs Lance: How Storage Layout Changes the Read Path

Parquet is scan-oriented. Lance is access-oriented. The difference is how much data the reader touches before returning results.

July 6, 2026

by Hitarth Trivedi

· 1,983 Views · 1 Like

Azure Databricks for Scalable MLOps and Feature Engineering With Apache Spark, Delta Lake, and MLflow

A practical guide to feature engineering at scale with Azure Databricks, covering distributed data processing with Spark and reliable storage with Delta Lake.

July 6, 2026

by Jubin Soni, FBCS

CORE

· 1,233 Views

LangChain With SQL Databases: Natural Language to SQL Queries

Building an SQL interface that is easy to use for NON-SQL users and provides immediate and accurate answers to business queries.

July 6, 2026

by Varun Joshi

· 1,092 Views · 1 Like

Resilience Lost in the Stack: How Abstraction Layers Silently Mask Distributed Systems’ Topology Awareness

The focus is on distributed systems resilience, specifically the integration gap between application abstractions and high-availability infrastructure layers.

July 3, 2026

by Rithra Ravikumar

· 1,986 Views

From Polling to PubSub: Building an Asynchronous OPC UA Stack in Python

The architectural design and engineering required to build a native, asynchronous OPC UA Pub/Sub (IEC 62541-14) stack in Python for the open-source opcua-asyncio library.

July 3, 2026

by Harshith Narasimhan Srivatsa

· 1,662 Views · 1 Like

Prompt Injection Attacks and Hidden Security Risks in LLM Applications

Prompt injection hijacks an LLM by exploiting its inability to separate data from commands. Direct and indirect attacks require layered defenses, not one fix.

July 3, 2026

by Karini Kapoor

· 2,742 Views · 2 Likes

Building Your API Gateway From OpenAPI Specs: A Spec-Driven Approach

Generate API gateways directly from OpenAPI specs to eliminate configuration drift, simplify maintenance, and keep your API contract as the single source of truth.

July 3, 2026

by sahil arora

· 1,439 Views

OBO SSO in Java Applications: Securely Calling Downstream APIs on Behalf of a User

OBO (On-Behalf-Of) allows a Java API to securely call downstream services using the authenticated user's identity instead of the application's identity.

July 3, 2026

by Muhammed Harris Kodavath

· 1,737 Views · 3 Likes