Zencity Engineering

Mongo-Spark Connector Deep Dive, Part II: JSON Serialization

Understanding JSON serialization…

Mongo-Spark Connector Deep Dive: Projection Pushdown

Bridging the gap between MongoDB and Apache®…

It’s Friday: CI/CD as an unfinished journey

While many of us struggle with building our CI/CD systems, I’ve observed some mixup…

Parallelizing Tasks Using MongoDB

As part of Zencity’s data ingestion pipelines, we manage and schedule what we call Data Connector…

The snapshot that couldn’t

A story from the Zencity data-engineering trenches. one that taught me some…

A self-improving model using partially annotated data

Micro Frontend Architecture to the rescue

Zencity is a data-driven decision-making platform. I work on a brand new development…

Naming, Code Conventions & Glory

* note: all code snippets below are based on a true story in Zencity’s codebase.

Creating an Open Source Resident Reporting Platform — Part 1