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Sean Killeen

IT Modernization

First Principles: How to Succeed Where Other Modernizations Fail

Modernizing legacy systems is complex and risky, but you can avoid common pitfalls and enable...

Open Source, Software Development, Tools

Introducing a Free, Open-Source URL Shortener for Your Domain!

One day, I was frustrated by the lack of open solutions to a common problem....

Agile, Software Development

What Can a Tech Lead Add to an Agile Project?

I was inspired to write a follow up to the recent Dear Agile question on the...

DevOps

What the Amazon AWS S3 Outage Reminds Us: It’s all about Trade-Offs

Early this year, Amazon’s S3 service experienced a major service outage. For about 4-5 hours...

Certifications, Professional Development

What are ICP-TST and ICP-ATA? An Interview with Sean Killeen and Noura Saad on Agile Testing

Sean Killeen and Noura Saad, both Senior Consultants at Excella Consulting, are ICAgile authorized trainers...

Agile, Dear Agile, Scrum

Dear Agile: The Role of a Tech Lead

This post is the latest in Excella’s Dear Agile blog series. Have a question for...

Dear Agile

Introducing: The “Dear Agile” Blog Series!

Hi, everyone! We’re excited to share with you a new series of blog posts that...

.NET

5 (6!) Reasons I’m Excited for the Upcoming dotNetFringe Conference

In a few days, I’ll be lucky enough to attend the dotNetFringe conference in Portland, OR....