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Philosophy and Software I: The Virtues of Software Engineering
culture

Philosophy and Software I: The Virtues of Software Engineering

In this piece I tie Software Engineering with the Philosophy of personal growth and development. Using Confucian Principles of Ethics I aim to draw parallels between the world of software and ancient China!

  • Brid Moynihan
    Brid Moynihan
Brid Moynihan 16 Dec 2020 • 4 min read
Flexible Token Authorization for AWS Hosted APIs
AWS

Flexible Token Authorization for AWS Hosted APIs

If you have complex business needs and a hybrid cloud architecture, Lambda Authorizers prove very useful.

  • Kumar Harshit
    Kumar Harshit
  • Paul McGrath
    Paul McGrath
Kumar Harshit, Paul McGrath 8 Dec 2020 • 8 min read
How to Manage Schema Migrations in Redshift With Airflow
AWS

How to Manage Schema Migrations in Redshift With Airflow

A guide to schema migrations with Airflow ETLs!

  • Brid Moynihan
    Brid Moynihan
Brid Moynihan 1 Dec 2020 • 4 min read
Create an Easy-To-Use Client Library in TypeScript With a Step Builder
Developer Experience

Create an Easy-To-Use Client Library in TypeScript With a Step Builder

Client libraries are essential tooling, and yet their Developer Experience (DX) is often overlooked. Here's a simple approach to improve this, based on a well-known pattern.

  • Paul McGrath
    Paul McGrath
Paul McGrath 21 Sep 2020 • 7 min read
New Beginnings
culture

New Beginnings

New decade, new us. We've relaunched our engineering blog featuring new experiences from our teams at Poppulo.

  • Paul McGrath
    Paul McGrath
Paul McGrath 16 Jun 2020 • 1 min read
CDK Kickoff ⚽- Getting Started Guide to AWS CDK
AWS

CDK Kickoff ⚽- Getting Started Guide to AWS CDK

Recently, Poppulo began the migration of our stack to AWS. As a team we didn't have a lot of experience building on AWS, so we used the AWS CDK for a new greenfield project, and learned valuable lessons along the way.

  • David Lynam
David Lynam 5 Jun 2020 • 3 min read
Software superstars lined up for this year's RebelCon
conference

Software superstars lined up for this year's RebelCon

Some of the world's most acclaimed software experts will headline RebelCon 2018 this June, Ireland's only conference specifically for software developers, organised by Poppulo.

  • Pierre Vincent
    Pierre Vincent
Pierre Vincent 27 Apr 2018 • 2 min read
Reaching production is only the beginning
distributed systems

Reaching production is only the beginning

Over the last 10 years, I had the chance to be part of significant engineering changes at Poppulo. Our transition to a (micro-)service oriented architecture was a decision we made to enable our department to scale up, so that we could become the leader in internal communication.

  • Pierre Vincent
    Pierre Vincent
Pierre Vincent 9 Feb 2018 • 2 min read
Continuous Delivery and THE FEAR
Agile

Continuous Delivery and THE FEAR

Continuous Delivery (CD) is the ability to get changes of all types—including new features, configuration changes, bug fixes and experiments—into production, or into the hands of users, safely and quickly in a sustainable way.

  • Kevin Duggan
    Kevin Duggan
Kevin Duggan 12 May 2017 • 6 min read
Insights from 2 years of scaling at Poppulo
organisational change

Insights from 2 years of scaling at Poppulo

Scaling your organisation is not easy. Here I'll talk about the 3 most important cornerstones to tackle as you scale your engineering function.

  • Stephanie Sheehan
    Stephanie Sheehan
Stephanie Sheehan 29 Apr 2017 • 5 min read
Using a Style Guide to go from Prototype to Production
Design

Using a Style Guide to go from Prototype to Production

The process of building a living style guide can help you refactor your prototype code in preparation for hand-off from designer to developer.

  • Alan Meany
    Alan Meany
Alan Meany 12 Jan 2017 • 3 min read
Pact tests: what about state data?
microservices

Pact tests: what about state data?

One of the challenges of setting up Pacts between Teams is to get Pacts at the right level so that every Team can work faster, with the confidence that making a breaking change will be detected before it makes it to production.

  • Pierre Vincent
    Pierre Vincent
Pierre Vincent 22 Dec 2016 • 5 min read
Short and Long Lived Cassandra Sessions
Cassandra

Short and Long Lived Cassandra Sessions

tl;dr: When using the Datastax driver use long lived sessions!

  • Kevin Duggan
    Kevin Duggan
Kevin Duggan 2 Nov 2016 • 2 min read
Big Data Analytics with Apache Spark
Spark

Big Data Analytics with Apache Spark

Over the past two years, Poppulo has taken our new Cross-Channel Analytics Platform from proof of concept to production. Our customers publish hundreds of thousands of communications daily across a variety of different channels, generating an explosion of events on that content.

  • Kevin Duggan
    Kevin Duggan
Kevin Duggan 2 Nov 2016 • 5 min read
Use custom value classes for greater abstraction and type safety
Scala

Use custom value classes for greater abstraction and type safety

Scala is one of our languages of choice. On our journey to Scala mastery, we continually pick up new tricks, which we soon put to use, if we find that they contribute to the quality of our codebase. This post is about one such trick: custom value classes.

  • Julien Cretel
    Julien Cretel
Julien Cretel 13 Jul 2016 • 3 min read
Removing sleeps from your AngularJS Protractor tests
Protractor

Removing sleeps from your AngularJS Protractor tests

The Protractor framework does a great job of shielding you from the inherent difficulties of testing your asynchronous Angular app.

  • Kevin Duggan
    Kevin Duggan
Kevin Duggan 6 Jul 2016 • 1 min read
Sharing Consumer-Driven Contracts with Pact Broker
consumer-driven contracts

Sharing Consumer-Driven Contracts with Pact Broker

If you’re already using Pact for Consumer-Driven Contracts, you have probably hit the issue of persisting and sharing contracts.

  • Pierre Vincent
    Pierre Vincent
Pierre Vincent 11 May 2016 • 3 min read
Cleaning Up After Docker
Docker

Cleaning Up After Docker

At Poppulo, we use Docker for a number of solutions, from building RPMs, building images as part of our Microservices and running tests.

  • Gavin Kelly
    Gavin Kelly
Gavin Kelly 19 Apr 2016 • 5 min read
Workaround for configuration parsing issue in Dropwizard 0.9 with Scala
Scala

Workaround for configuration parsing issue in Dropwizard 0.9 with Scala

If you are using Dropwizard 0.9 in Scala, you might have encountered this error when starting your application.

  • Pierre Vincent
    Pierre Vincent
Pierre Vincent 4 Apr 2016 • 1 min read
Finding the right automation model & some general tips for A/T QAs
automation

Finding the right automation model & some general tips for A/T QAs

Finding an appropriate automation model, which uses a microservices structure and adequately met our needs, was something of a Darwinian process.

  • Dan Nyhan
    Dan Nyhan
Dan Nyhan 11 Mar 2016 • 4 min read
Mitigating Precision Loss in Big Data Analytics
Big Data

Mitigating Precision Loss in Big Data Analytics

In building our big data analytics software, we need to represent and perform calculations on floating point numbers. In order to keep the results of these calculations as accurate as possible we seek to maintain the greatest precision possible.

  • Tom Prior
    Tom Prior
Tom Prior 19 Jan 2016 • 2 min read
Take to the clouds with Ansible and AWS!
Ansible

Take to the clouds with Ansible and AWS!

If you have your physical or virtual environments configured with Ansible you can use this configuration code to provision and configure new cloud environments on AWS. The following solution shows

  • Kevin Duggan
    Kevin Duggan
Kevin Duggan 14 Jan 2016 • 3 min read
Being a Junior Developer at Poppulo
culture

Being a Junior Developer at Poppulo

I like problems. I decided to become a developer because software development is a never ending stream of problems. I have been a junior developer at Poppulo for just over a year and luckily for me no two days are the same with different challenges arising and solutions to be worked out.

  • Richard Downing
    Richard Downing
Richard Downing 17 Dec 2015 • 4 min read
Our take-away from µCon 2015, the Microservices conference
microservices

Our take-away from µCon 2015, the Microservices conference

We went to skills matter's µCon this year with two main objectives in mind. Benchmark how far along we were in our journey towards Microservices and DevOps, and attempt to validate what we had done in the last year. Then get some pointers from people who had experienced this already.

  • Pierre Vincent
    Pierre Vincent
Pierre Vincent 15 Dec 2015 • 5 min read
CorkDev.io Talk: Service Discovery with Docker and Microservices
microservices

CorkDev.io Talk: Service Discovery with Docker and Microservices

Working with Microservices has recently become very trendy, however building dynamic and distributed systems doesn’t come without new challenges. Service Discovery is one of these challenges: enabling services to dynamically discover other services and communicate with them.

  • Pierre Vincent
    Pierre Vincent
Pierre Vincent 20 Oct 2015 • 1 min read
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