Tobias Pfeiffer

Bis 2023, Senior Staff Backend Engineer, Remote

Berlin, Germany

Skills

Softwareentwicklung
Teamarbeit
Elixir
Kommunikationsfreudigkeit
Webentwicklung
Agile Software Development
Ruby
Ruby on Rails
JavaScript
React.js
Lehre
Test Driven Development (TDD)
Phoenix
Clean Code
eXtreme Programming (XP)
LINUX
Scrum
Design Thinking
Software Design Patterns
CoffeeScript
HTML
Smalltalk
JRuby
Agile
Crystal
Computer Science
Kommunikation
Leadership
Architecture
Git
SQL

Timeline

Professional experience for Tobias Pfeiffer

  • 2 years and 7 months, Apr 2021 - Oct 2023

    Senior Staff Backend Engineer

    Remote

    Worked on a big Elixir & Phoenix monolith with a focus on the payments domain, automating processes to ensure safe, quick & reliable payments of millions while improving processes and technology company wide. Implemented features to help our payments efficiency and product offering: automatic invoice payments, bank integration via PAIN XML to automate payments, enable direct debit for huge sums & allowing non local currencies.

  • 8 months, Aug 2020 - Mar 2021

    Staff Developer

    Shopify

    Engineering Lead for a team working in Ruby on Rails on topics ranging from local market adaptation, to legal and delivery promise.

  • 1 year, Aug 2019 - Jul 2020

    Berater/Entwickler

    Tobias Pfeiffer

    Consulting, Teaching and Development. Currently helping a company realize their first Elixir project.

  • 1 year and 4 months, Nov 2017 - Feb 2019

    Tech Lead

    Liefery

    Lead a team of 15 together with the CTO, handling the day-to-day needs of the team. * Help, mentor & guide colleagues through 1o1s, pairing sessions, pull request reviews and knowledge sharing sessions * Run retrospective and iteration meetings, continously adapting and improving processes * Screen and interview candidates * Gather problems and requirements to define and discuss solutions * Run integration projects with customers and other involved parties

  • 5 years and 5 months, May 2013 - Sep 2018

    Teilzeit Dozent/Entwickler

    Selbstständige Tätigkeit

    Selbstständig im Bereich Lehre und Softwareentwicklung. Vor allem externer Dozent an der Humboldt Universität Berlin für den Kurs "Grundlagen der Webanwendungsentwicklung mit Ruby on Rails". Ansonsten unter anderem Erstellen von Lehrmaterialien für Webentwicklungskurse.

  • 11 months, Jan 2017 - Nov 2017

    Senior Software Engineer

    Liefery

    Helping operations and partners deliver packages on the same day. * Build and maintain applications to track shipments, plan tours and manage all required logistics data in Ruby on Rails, Elixir and Phoenix as well as JavaScript (AngularJS, React) * Stepped in for the CTO during a sabbatical * Identify and fix performance bottlenecks * Run retrospectives and others meetings

  • 1 year and 10 months, Jan 2015 - Oct 2016

    Softwareentwickler

    bitcrowd GmbH

    Worked on various client projects mostly in Ruby/Rails and JavaScript with AngularJS but also one project with Elixir and Phoenix. Introduced practices such as Retrospectives and CI build servers to the company. Mentored Junior-Developers.

  • 4 months, Jun 2013 - Sep 2013

    Google Summer of Code Student

    Google Summer of Code für die JRuby Organisation

    Entwicklung am Shoes Projekt. Shoes ist ein GUI toolkit für Ruby, dass die Erstellung von GUI Applikationen einfach macht und insbesondere Einsatz in der Lehre findet (speziell für Kinder). Mehr Informationen zum Projekt hier: http://shoesrb.com/

  • 7 months, Sep 2012 - Mar 2013

    Ruby on Rails Entwickler

    d:evolute

    Entwicklung von Ruby on Rails Applikationen im Team unter anderem mit spree ecommerce.

  • 1 year and 4 months, Apr 2010 - Jul 2011

    Studentische Hilfskraft

    Hasso-Plattner-Institut

    Studentische Hilfskraft in unterschiedlichen Positionen am Lehrstuhl für Internet und WWW-Technologien von Professor Meinel. Unter anderem Betreuung (Korrektur von Übungen und Klausuren etc.) der Veranstaltungen für die Vorlesungen "Internet- und WWW-Technologien" und "Internet Security". Außerdem schreiben von Tutorials für die online Security Plattform Tele-Lab.

Educational background for Tobias Pfeiffer

  • 8 months, Aug 2011 - Mar 2012

    Software Engineering

    Blekinge Institute of Technology, Karlskrona, Schweden

    Projektmanagement, verteilte Softwareentwicklung

  • 6 years and 1 month, Sep 2008 - Sep 2014

    IT-Systems Engineering

    Hasso-Plattner-Institut, Potsdam

    Software Architekturen, agile Software Entwicklung, Internet und Sicherheitstechnologien

Languages

  • German

    First language

  • English

    Fluent

  • Swedish

    Intermediate

  • French

    Basic

Interests

open source
Softwareentwicklung
Basketball
Philosophie
Musik
Konferenzen

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