Steffen Leistner
Fähigkeiten und Kenntnisse
Werdegang
Berufserfahrung von Steffen Leistner
- Current 6 years and 8 months, since Oct 2019
Senior Cloud Application Engineer
Porsche AG
Development of AWS based serverless backend and push notification services for My Porsche App. - Implemented a managed message delegation service on top of Kafka, SQS and Fargate. - Introduced and developed CI/CD pipelines in order to support test automation and deployment. - Developed REST Apis based on a cloud native microservices network build on top of AWS Lambda and Apigee.
Development of IoT, Data Ingestion, Data Lake and Data Warehouse services. - Built IoT device messaging and mobile clients, web interfaces and analytics big data stores - Implemented a managed streaming ingestion service - Introduced and developed CI/CD pipelines in order to support test automation and deployment Team leader Cloud Application Development - Actively involved in recruitment processes and hiring decisions - Provided pre-sales support with direct customer contact
AWS IoT and Lambda services for SIEMENS SDI (Software Defined Inverter) * in-house start-up for I/Os
- 1 year and 3 months, Mar 2016 - May 2017
Solutions Architect
adidas Group
Creating a next generation IoT platform for digital sports, which encourages wearable device makers, data scientists and app developers to collaborate through a plugin system. - Helped creating the initial concept, business case, prototype and roadmap for the system. - Managed the distributed team, with processes and tools to promote collaboration across locations. - Implemented the plugin service runtime which enabled 3rd party extensions to run in a secure sandboxed environment.
- 2 years and 4 months, May 2014 - Aug 2016
CTO
Blissbooker S.L.
Blissbooker is the one destination to search, explore and reserve beauty and wellness treatments. - Created the initial concept, business case, prototype and roadmap for the system. - Recruited a self -organising team of 30 internals and externals to develop and manage the system. - Managed the distributed team, with processes and tools to promote collaboration across locations. - Implemented data warehousing infrastructure.
Software Development & Consulting - NodeJS, Java, Spring, Ruby on Rails, JavaScript, Jive SBS, iPhone & Android Apps
- 1 year and 3 months, Dec 2011 - Feb 2013
Software Engineer
Xing AG
Development of “miCoach”, Adidas’ interactive, personal coaching and training network.
- 1 year and 3 months, Oct 2009 - Dec 2010
Senior Software Engineer
Nokia
Architecture and development “Ovi Maps Player”, Nokia's first online mapping solution for Web developers.
- 1 year and 7 months, Mar 2008 - Sep 2009
Software Developer
wunderloop media services GmbH
Software Developer, Ruby on Rails, JavaScript driven web applications.
- 1 year and 11 months, Apr 2006 - Feb 2008
Senior Software Engineer
/i-d media AG
- 2 years and 9 months, Jul 2003 - Mar 2006
Software Developer
Steffen Leistner
- 5 months, Feb 2003 - Jun 2003
Head of Web Application Development
Datenlotsen Hamburg GmbH
- 2 years and 2 months, Dec 2000 - Jan 2003
Software Developer
evolution|one GmbH
- 2 years and 10 months, Feb 1999 - Nov 2001
Software Engineer
Steffen Leistner
Ausbildung von Steffen Leistner
- Bis heute
FernUniversität Hagen
Sprachen
German
C2 (Verhandlungssicher / Muttersprachlich)
English
C1 (Fließend)
Spanish
B1-B2 (Gute Kenntnisse)
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