Presentations we love: 2018

Microservices at HBC

microservices Sean Sullivan OCT 4, 2018

HBC’s commerce platform is constantly evolving to support new business requirements. Our platform’s microservice architecture enables engineering teams to rapidly build and deploy new features.

Email: from macro-service to micro-service

back end Kinshuk Varshney SEP 24, 2018

Email Engineering recently migrated all transactional emails to CNS v2. This was a slow migration as CNS v1, although, referred to as a micro service was anything but one! We inherited CNS v1 towards the end of last year and started migration to CNS v2 in the beginning of this year. In doing so, we followed what could be labeled as a flavor of Strangler pattern. In this blog, I...

Would You Rather be Awesome or Deadly?

Culture Dana Pylayeva , Agile Coach JUL 30, 2018

Over a year ago we began to experiment with new ways of helping our teams in finding their next improvement opportunities. We started with an assumption that while every team is unique, there must be a way to approach a “team health” conversation in a similar fashion across them all. By using a standardized assessment we also expected to find some areas in which organizational improvements would be beneficial. In...

Building A Better Keyboard Navigation

front end Jaret Stezelberger , Front End Engineer MAY 30, 2018

The simplest way to understand the importance of web accessibility is to open a web browser, put on a blindfold, and try navigating a website. Despite a small percentage of users with disabilities, their human right to navigate the internet still stands. In this post I’ll share some of my learnings from making our navigation more accessible.

ODSC Workshop on Experimental Reproducibility in Data Science

data science Karthik Rajasethupathy , Jason Tam MAY 7, 2018

On May 2nd, we presented at the Open Data Science Conference in Boston, MA. We demonstrated how to build a machine learning project from scratch with Sacred, an open source library for experiment tracking, and how to view the results using Sacredboard.

Why you should volunteer for Smart Futures

culture Daniel Mateus Pires APR 20, 2018

Dublin is a great place for volunteering in Tech initiatives !

A Non-Technical Guide to Posting to the Tech Blog

Culture Jaret Stezelberger , Front End Engineer APR 12, 2018

Our tech organization is obviously made up of more than just developers. Non-developers have great insight from their work too! This post is a nudge to all my fellow colleagues who are also doing amazing work and would like to share, but feel intimitated by the pull request process.

Brand Alerts V2: Breaking Down a Monolith with AWS

back end Kinshuk Varshney APR 2, 2018

Recently, team T-Rex worked on the re-architecture of the Brand Alerts back end system, a project which we named Brand Alerts V2. In this blog, I share our new architecture detailing some of the new AWS powered components.

Negative Sampling (in Numpy)

data science Jason Tam MAR 23, 2018

Alright, time to have some fun exploring efficient negative sampling implementations in NumPy…

Airing Out A New Job System

data science Terry McCartan MAR 5, 2018

In this article I’ll be sharing some of the knowledge the Data team at HBC Tech picked up in replacing our old job system with Apache Airflow. We undertook the decision to overhaul our job orchestration system a few months ago due to a number of reasons but have now successfully migrated all our data ingestion jobs to the new system.

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