s u m m i t mark… · summit © 2019, amazon web services, inc. or its affiliates. all rights...

S U MM I TB e r l i n 2 0 1 9

© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.SUMMIT

Why Heavy Lifting Doesn’t Make You Stronger

Hisham HassanHead of TechnologyInventorum GmbH


Top 20 Reasons Startups Fail

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%


What are you building?

• Product definition [MVP, MMP, MMF, Prototype, POC, …]

• What is included and what is not

• Simplicity--the art of maximizing the amount of work not done--is essential.


Release fast

• Regular releases outside of the tech team

• People want to work around you


What to get?

• Relevant Feedback

• Visualize ideas

• Find challenging issues faster

• Buy-in from stakeholders

• Secure resources


Wasting time

• Losing money

• Losing team spirit & confidence

• Losing market opportunity

• Losing investors’ interest

• Stuck in operation and management rather than innovation and vision

• More distractions


“Heavy lifting will eat your time.”

No body

I made that up!


Heavy lifting

• Reinventing the wheel

• Building infrastructure

• Design perfection

• Unproven assumptions


steveblank.com

paulgraham.com

theleanstartup.com


Inventorum Offering

• Modern POS

• Customer Management

• Inventory Management

• Preparatory Accounting

• Different Payment Methods

• Hardware Integrations

• Reporting

• Multistore

• Backoffice

• Online Shop


Problems

• Not agile

• System is not scalable

• Monolith

• Legacy code

• Adding new features is not easy

• Hard to try new technology

• Data grows fast

• No enough visibility of the system

• Complex deployment

• Not utilized resources


Our journey with AWS

EC2 Managed Serverless


Why serverless

No Servers

Auto Scaling

High Availability

No idle Resources


AWS Cloud

Amazon API Gateway AWS Lambda Amazon DynamoDBUsers

AWS Lambda

AdminAmazon Simple

Notification Service

Amazon Simple Email

Service (SES)

Amazon CloudFront

Bucket


Cost

Service Free Tier Price Demo

API Gateway $3.33 Mil request $0.50

- Data transfer out 1 GB $0.09 GB-month $0.09

Lambda 1 Mil $0.2 Mil $0.00

DynamoDB

- Writes $1.525 Mil $0.15

- Reads $0.303 Mil $0.02

- Storage 25 GB $0.306 GB-month $0.30

- Stream 2.5 Mil $0.0245 100k read $0.00

- Backup (PITR) $0.2448 GB-month $0.24

- Data transfer 1 GB $0.09 GB-month $0.09

$1.39

100K sign-up / month

Thank you!


Hisham Hassan@hshafy

s u m m i t mark… · summit © 2019, amazon web services, inc. or its affiliates. all rights...

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