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Chariot Day 2021: A Recap

Stephen Griese | November 2, 2021November 2, 2021

Chariot Day is a longstanding company tradition where Charioteers give presentations on topics about which they are passionate. The topics may be, but don’t necessarily have to be, related to software development. I am a new Chariot member, and I was eagerly looking forward to my first Chariot Day. This year’s presentations were all over the map: From astrophotography to woodworking, from on-board automobile computer modules to sailing, and from writing a new face for a Garmin watch to the…

Rightsizing Data for Athena

Keith Gregory | October 22, 2021November 21, 2023

Amazon Athena is a service that lets you run SQL queries against structured data files stored in S3. It takes a “divide and conquer” approach, spinning up parallel query execution engines that each examine only a portion of your data. The performance of these queries, however, depends on how you consolidate and partition your data. In this post I compare query times for a moderately large dataset, looking for the “sweet spot” between number of files and individual file size.

15 Minutes With: Keith Gregory on Building a Data Pipeline for Better Business Operations

Becca Refford | October 22, 2021December 6, 2021

Clickstream data – the behavior data collected from a user’s path through a website or app – is often used for business intelligence reports. It helps many companies answer questions like, ‘which of my products are people adding to their cart?’ or ‘What does our online purchase funnel look like?’ But our AWS Practice Lead, Keith Gregory, argues that this data can also be used to make business operations smoother, or introduce entirely new procedures. In this interview, Keith breaks…

Using CodeArtifact with Poetry

Keith Gregory | October 5, 2021November 21, 2023

In my last post I discussed how an artifact server is the best way to publish locally-developed Python packages. In this post, I show you how to set up the AWS CodeArtifact service and use it with pip and Poetry.

The Reality of Virtual

Michael Rappaport | September 29, 2021September 29, 2021

For the first time ever, Chariot Solutions is recruiting remote-first workers. Our history of providing flexibility for our employees makes us confident in our ability to succeed with fully remote workers, and we believe this will prove to be a competitive advantage.

Building Lambdas with Poetry

Keith Gregory | September 14, 2021November 21, 2023

Coming from a Java background, I consider the Python development process to be a bit of a mess. The pieces are all there: a central repository for publicly-available packages, a way to install the packages you want, and several ways to run your program with only those packages. But it seems that everybody has a different way to combine those pieces. So when a colleague introduced me to Poetry, my first reaction was “oh great, another tool that solves part of my problem.” But after spending time with it, I don’t want to build Lambdas any other way.

15 Minutes With: Aaron Mulder on Getting the Journal My Health App to Market

Becca Refford | August 27, 2021August 30, 2021

Tracey Welson-Rossman and Aaron Mulder, CTO of Chariot Solutions, talk about how the team at Chariot took the Journal My Health app to market with speed, and the decisions they made along the way.

So, You Launched Your Product. Now What?

Tracey Welson-Rossman | June 30, 2021July 6, 2021

Your product roadmap requires a Goldilocks strategy: too flexible, and you’ll never make progress. Too rigid, and your product could fizzle out.

Design Thinking Crash Course: Journal My Health

Michael Geise | June 15, 2021

Design Thinking Design Thinking is a popular design methodology that cycles through five stages to provide solutions to complex and unknown problems. At a high level, following the system will enable you to achieve the best solutions by understanding your users’ needs, redefining the problems in a human-centered perspective, thinking of lots of possible solutions, creating an approach to easily test the ideas, and then testing them. The kicker is this can be a linear process, but it probably shouldn’t…

How Many Availability Zones Do You Need?

Keith Gregory | June 14, 2021November 21, 2023

Different numbers of availability zones are appropriate for different workloads. This post helps you pick an appropriate number for your needs.

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