a Randstad company

Software Engineer

Profil
Top-Skills
Ruby on Rails Elixir Phoenix Clojure Elm
Verfügbar ab
01.01.2023
Bald verfügbar - Für planbare Projekte: Der Experte steht für neue Folgeprojekte zur Verfügung.
Verfügbar zu
80%
davon vor Ort
20%
Einsatzorte

PLZ-Gebiete
Länder
Ganz Deutschland
Remote-Arbeit
möglich
Art des Profiles
Freiberufler / Selbstständiger
Der Experte ist als Einzelperson freiberuflich oder selbstständig tätig.

2022 - 2022: Software Design and Development, Code Reviews


Place of work: BERLIN - GERMANY / REMOTE

Role: Senior Software Engineer (Freelancer)

Customer: Comgy GmbH


Skills:

Ruby on Rails, Elixir / Phoenix, Docker / Heroku


2009 - 2021: SIM Processes and Support Systems


Place of work: BONN - GERMANY

Role: Senior Expert

Customer: Deutsche Telekom AG


Tasks:

  • Software architect: designed and implemented various backend systems for the SIM production and logistics of Deutsche Telekom
  • SIM expert in various IT projects for all 10 European affiliates of Deutsche Telekom
  • Technical expert for international SIM suppliers
  • Project manager for building a SIM factory for Deutsche Telekom Group
  • Project manager for outsourcing the SIM production processes
  • Technical project manager for launching Micro and Nano SIM
  • Lead solution designer for the eSIM architecture of Deutsche Telekom Group


Skills:

Unix, C, Java, Ruby on Rails, Clojure, Clojure Script, Elixir / Phoenix, Elm, Javascript, Datomic, Postgresql, Redis, Agile, Scrum, OOP, Functional Programming, TDD, REST


1997 - 2008: SIM Processes and Support Systems


Place of work: BONN - GERMANY

Role: Senior Expert

Customer: Deutsche Telekom AG


Tasks:

  • Software architect: designed and implemented various backend systems for the SIM production and logistics of Deutsche Telekom
  • SIM expert in various IT projects for all 10 European affiliates of Deutsche Telekom
  • Technical expert for international SIM suppliers
  • Project manager for building a SIM factory for Deutsche Telekom Group
  • Project manager for outsourcing the SIM production processes
  • Technical project manager for launching Micro and Nano SIM
  • Lead solution designer for the eSIM architecture of Deutsche Telekom Group


Skills:

Unix, C, Java, Ruby on Rails, Clojure, Clojure Script, Elixir / Phoenix, Elm, Javascript, Datomic, Postgresql, Redis, Agile, Scrum, OOP, Functional Programming, TDD, REST


2008 - 2008: Business Analysis


Place of work: BONN - GERMANY

Role: Team Lead

Customer: Deutsche Post AG, Germany


1995 - 1997: Sales software

Place of work: BONN - GERMANY

Role: C++ Developer

Customer: Toyota Germany


Tasks:

  • Presales

1992 - 1995: IT Training

Place of work: BONN - GERMANY

Role: C, C++, Unix Trainer

Customer: Synergie GmbH


1991 - 1992: Software development


Place of work: BONN - GERMANY

Role: Software Developer

Customer: interactive instruments GmbH


Skills:

C, VAX VMS


1982 - 1982: Software development


Place of work: GIEßEN - GERMANY

Role: Software Developer

Customer: Ordat GmbH


Skills:

HP Basic, Cobol

1990 - 1995

Physics

University of Bonn, BONN - GERMANY

Degree: Dr. rer. nat. (similar to PhD)


Key Aspects:

Designed and implemented parallel algorithms for computer simulations in high energy physics (?Quarks?)


Skills:

C, Fortran, VMS, CMS, MVS, Cray UNIX


1993 - 1994

Physics

Hebrew University of Jerusalem, JERUSALEM - ISRAEL

Research for PhD


1989 - 1990

Physics

Università La Sapienza, ROME - ITALY


1985 - 1989

Physics

University of Bonn, BONN - GERMANY

Degree: Diplom-Physiker (similar to Master)


Key Aspects:

Computer Simulations in Statistical Physics


Skills:

C, Fortran, VMS, CMS, MVS, Cray UNIX


1982 - 1985

Physics

University of Gießen, GIEßEN - GERMANY

Degree: Vordiplom Physik (similar to Bachelor)

German native
English full
Italian basics

Top Skills
Ruby on Rails Elixir Phoenix Clojure Elm
Produkte / Standards / Erfahrungen / Methoden
Profile

IT Professional with over 30 years experience in:

  • Business analysis
  • System design 
  • Software development 
  • Getting things up and running 
  • Hands on mentality


Strong interest in:
  • Software development 
  • Functional programming 
  • Elixir / Clojure / Elm
  • Learning and using new technologies


Skills
Computer Skills

  • Ruby / Ruby on Rails
  • Clojure
  • Elixir / Phoenix
  • Elm
  • Common Web technologies (HTML, CSS, Javascript, etc.)
  • Unix
  • C, Java
  • Postgresql 
  • Datomic 
  • Docker / Heroku 
  • ? and many other tools, libraries and techniques I have been using over the past years


Computer Methodologies
  • Object oriented programming (OOP)
  • Functional programming (FP)
  • Test driven development (TDD)
  • REST


Other Skills
  • Project management
  • Agile methodologies 
  • Working in international environments

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