Scaling your teams using microservices and full ownership

Martin Andersen | microcph | May 16, 2017

1

Me

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3

4

A bit of history

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Monolith3w sprints/releases

Test-days

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.NET/C#100+ projects

1 repo/solution

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8

WebsWeb/Backend

MainLib/WebExtension

Lib/I18nShared/Foundation

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10

DDD

Bounded contexts

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API-first

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131 server, n services 1 server, 1 service

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Organizational Scaling

2012: 1 team2013: 2 teams

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16Ref: https://grasshopperherder.com/lean-startup-in-the-enterprise-anti-pattern-the-lean-waterfall/

17Ref: https://grasshopperherder.com/lean-startup-in-the-enterprise-anti-pattern-the-lean-waterfall/

PM TL

UX

ENG

ENG

ENG

Development teamProduct team

UX

PM

PM

TL UX

ENG

ENG

ENG

Productteam

PM

TL UX

ENG

ENG

MKT

Cross functionalteam

DSC BA

Full ownership

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22

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Team A Team B Team C Team D

Context 1

Context 4 Context 6 Context 8

Context 3 Context 5 Context 7

Context 2

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Angry Birds

Bad Piggies

Mighty Eagles

Golden Eggs

Context 1

Context 4 Context 6 Context 8

Context 3 Context 5 Context 7

Context 2

Context 7

Context 8

Context 9

Context 10

Context 11

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Consum-er Team

Business Team

TrustBox-es

Data Products

Context 1

Context 4 Context 6 Context 8

Context 3 Context 5 Context 7

Context 2

Context 7

Context 8

Context 9

Context 10

Context 11

Growth Team

Context 15

Context 14Context 13Context 12

Context 16

Context 15

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Consum-er Team

Business Team

TrustBox-es

Data Products

Context 1

Context 4 Context 6 Context 8

Context 3 Context 5 Context 7

Context 2

Context 7

Context 8

Context 9

Context 10

Context 11

Growth Team

Context 15

Context 14Context 13Context 12

Context 16

Context 15

Open Source model

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Consum-er Team

Business Team

TrustBox-es

Data Products

Growth Team

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Eng. Director

Team TeamTeam

E E E E E E EEE E E

UX Director

Product Director

PM PM PMUX

Technical Scaling

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API Processing

SQS

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Publisher

Subscriber

Subscriber

Subscriber

Subscriber

Subscriber

SNS

Batching

36

Aggregate APIs

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38

Client

API

API

API

API

Context

39

Client

API

API

API

APIAPI

40

Client

Event

Processing

API

40

API

API

API

API

Learnings

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Naming things

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Naming things

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Communication

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Automation andProvisioning

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Shared code ownership

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Pain-driven development

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3rd party services

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Containerization

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Serverless

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Today

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10 teams+ Lithuania

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~130 deployments / week

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Martin Andersen | Trustpilot | jobs.trustpilot.com61