stackdive: yesware

StackDive – February 12, 2015

Who am I?

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Who am I?

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• Justin Mills

• Engineer at Yesware (2 years)

• Work many layers of the stack

• Currently working on our data team

What is Yesware?

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Yesware is an all-in-one sales toolkit for

data-driven sales organizations. We help you

connect with prospects, track customer

engagement, and close more deals, right from

Gmail, Outlook, or your iPhone.

What is Yesware?

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Culture

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Culture

Small autonomous teams

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CultureFull stack T-shaped people

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Culture

Firmly established internal open source model

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Culture

No QA, ops or tooling teams

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Boxes and Lines

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Architecture

Evolution from a single app…

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ArchitectureBefore

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Architecture

…into a big app and many smaller ones.

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ArchitectureNow

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Evolution

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Architecture Evolution

Some necessity

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ArchitectureSome refactoring

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Some general goodness

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ArchitectureSome new apps

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Some by closing the repository!

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Architecture

Ongoing evolution

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Lessons learned

● Closing repo works!

● 2+ gets easier.

● Everything is faster with smaller apps.

● We need more tooling!24

Patterns

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Architecture Patterns

RESTful services (mostly)

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Queues for asynchronous communication

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Architecture PatternsWhat a typical app looks like?

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Architecture PatternsSample system pattern we repeat a lot

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Did I mention queues?

● Delayed Job (PostreSQL)

● Resque (Redis)

● Sidekiq (Redis)

● Sneakers (RabbitMQ)30


Client libraries as our API’s

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Production

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Production

Hosted on Heroku

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Production

Providers for nearly all of our systems

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Production

Leverage AWS where we need to

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Challenges

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Challenges

Culture

● Who owns what?

● Operations responsibility.

● Case for non-feature work.

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Challenges

Architecture

● Bad patterns still exist

● Interdependencies

● Complexity

● Technology baggage38

Challenges

Production

● Long road to happiness on Heroku

● Containerized

● Freedom is limited

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Thanks!

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