Profilbild von Soeren Houen Senior Backend Developer, 15 Jahre Erfarung aus Berlin

Sören Houen

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Letztes Update: 06.09.2022

Senior Backend Developer, 15 Jahre Erfarung

Firma: houen.net
Abschluss: MsC Computer Science, University of Copenhagen
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: dänisch (Muttersprache) | deutsch (verhandlungssicher) | englisch (Muttersprache)

Dateianlagen

CV_condensed.pdf

Skills

Software engineering
  • Backend development
    • Very high load systems (100 mio.+ daily requests)
    • Data-heavy applications (400GB+ database tables)
    • Performance-heavy API systems (< 100 ms response times)
  • System architecture
  • Data model and database design
  • API structure / architecture
    • API Gateway
    • REST APIs
    • Microservices
  • DevOps
    • Docker
    • Mesosphere / Marathon
Experience
  • 15+ years in Software Development
  • MsC Computer Science
  • Ruby (9 years)
  • Python (1.5 years)
  • PHP (3 years)
  • Golang (0.5 years)
  • Java (1.5 years)
  • Startup CTO experience
  • Engineering Manager experience
  • Product Owner experience
  • Team lead experience
Work processes
  • Helping teams improve development turnaround time
  • Improving on / reducing technical debt
  • Helping teams adopt and improve agile development methods
  • Improving relationships between Business / Product and Tech
Testing
  • Test methodology
  • Testing just the right things, and all the right things
  • Keeping a test system clean and maintainable
  • Improving test run times
  • CI / CD adoption
  • RSpec testing expert
  • BDD / Cucumber expert

Projekthistorie

01/2020 - 07/2020
Paternity leave
(Sonstiges, < 10 Mitarbeiter)


09/2018 - 10/2019
Senior Back End Developer
(Banken und Finanzdienstleistungen, 10-50 Mitarbeiter)

  • Implemented algorithmic cryptocurrency trading strategies in Python and Golang, both position and scalping strategies

01/2017 - 07/2017
Lead Back End Developer (Contract)

  • Lead developer on API receiving +10M requests per day
  • Hired both permanent and interim engineering staff on behalf of client
  • Helped severely reduce technical debt of backend

08/2016 - 05/2017
Lead Back End Developer (Contract)
(Internet und Informationstechnologie, 1000-5000 Mitarbeiter)

  • Lead developer on an API receiving over 100 mio, requests per day

09/2015 - 05/2016
Senior Back End Developer (Contract)
(Marketing, PR und Design, 50-250 Mitarbeiter)

  • Implemented complete back-office solution for large adtech company
  • Heavily reduced technical debt
  • Helped team adopt agile development methods
  • Helped team improve slow development cycles

10/2014 - 09/2015
Engineering Manager

  • Engineering Manager and Team Lead of 4-man team on API receiving 10M+ requests per day

12/2013 - 10/2014
Lead Back End Developer
(Internet und Informationstechnologie, < 10 Mitarbeiter)

  • Backend tech lead / architect on designing and building an API receiving 3M+ requests per day, including the database layout to handle the 500Gb+ customer data received from the hardware components

04/2011 - 10/2013
CTO
BetterNow (Sonstiges, 10-50 Mitarbeiter)

  • CTO (3 years) and principal developer (2 years) of a startup up to and including receipt of series A funding

01/2009 - 01/2011
Drupal developer (Contract)
Spoing (Internet und Informationstechnologie, < 10 Mitarbeiter)

  • Drupal specialist for the implementation of both frontend and backend of multiple sales websites.

Reisebereitschaft

Verfügbar in den Ländern Deutschland
Available for work:
- Berlin
- Remote

Sonstige Angaben

  • Hiscox IT-Haftpflichtversicherung
Profilbild von Soeren Houen Senior Backend Developer, 15 Jahre Erfarung aus Berlin Senior Backend Developer, 15 Jahre Erfarung
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