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Profileimage by Anonymous profile, Cloud Applications Engineer
München
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Last update: 22.09.2022

Cloud Applications Engineer

Graduation: not provided
Hourly-/Daily rates: show
Languages: German (Native or Bilingual) | English (Full Professional) | Spanish (Limited professional)

Keywords

Attachments

cv-steffen-leistner.pdf

Skills

Solutions Architect with strong interest in new technologies.
Trained to analyze problems quickly andto apply solution oriented thinking.
Experienced team player and team leader.

Skills:
Node.js, Typescript, Java, Python, Golang, AWS, Cloud Native, IoT, Streaming Data Ingestion, TDD, Software Architecture, System Architecture

Project history

10/2019 - Present
Senior Cloud Application Engineer
Dr. Ing. h.c. F. Porsche (Automotive and vehicle construction, >10.000 employees)
Development of cloud native applications for MyPorsche mobile.
  • Developed a REST api based on a microservices network build on top of ECS and Lambda.
  • Introduced and developed CI/CD pipelines based on Terraform in order to support test automation and deployment.

Typescript, Python, Java, Docker, Terraform, ECS, SQS, DynamoDB, Lambda, S3, Apigee, CircleCI, Kafka, New Relic, OneSignal

08/2018 - 09/2019
Senior Cloud Application Architect
Nordcloud (Internet and Information Technology, 250-500 employees)
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 on top of AWS Kinesis.
  • Introduced and developed CI/CD pipelines in order to support test automation and deployment.
  • Developed a REST api based on a cloud native microservices network build on top of AWS Lambda.
  • Lead a development squad as Product Owner and Solution Architect.

Node.js, Go, Docker, React, Amplify, CloudFormation, Kinesis, Redshift, Athena, DynamoDB, Lambda, S3, Cognito, Glue, QuickSight

Team leader Cloud Application Development department.

  • Actively involved in recruitment processes and hiring decisions.
  • Organised and held workshops and coaching sessions.
  • Worked on project cost estimations and customer proposals.
  • Provided pre-sales support with direct customer contact.
  • Presented on stage at AWS Summit Berlin.
05/2017 - 07/2018
Senior Cloud Engineer
Siemens AG (Energy, water and environment, >10.000 employees)
Development of IoT and Lambda services for SDI (Software Defined Inverter) * in-house start-up for I/Os.
  • Built IoT device messaging and mobile clients, web interfaces and analytics big data stores.
  • Developed a communication bridge between physical devices and Amazon web services.
  • Introduced AWS cloud native app. Supported by a bakery of immutable images continuously deployed by automated pipelines.
  • Developed a REST api based on a microservices network build on top of ECS.

PostgreSQL, Python, Hug, Java, Docker, Amazon AWS, Kubernetes, Terraform, VueJS, Jenkins

03/2016 - 05/2017
Senior Solutions Architect
Adidas (Consumer goods and retail, >10.000 employees)
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.

Couchbase, Node.js, Kubernetes, Docker, Swagger, Amazon AWS, Microservices, CircleCI

05/2014 - 03/2016
Chief Technology Officer
Blissbooker, SL (Internet and Information Technology, 50-250 employees)
Blissbooker is the one destination to search, explore and reserve beauty and wellness treatments.
  • Created the 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 which provided easy access to business relevant data for analysts and stakeholders.

Node.js, Hapi, PostgreSQL, Redis, JavaScript, Android, Python, Backbone, Rendr JS, Travis CI

03/2013 - 05/2014
Senior Software Engineer
Pokeshot GmbH (Internet and Information Technology, 10-50 employees)
Development of “miCoach”, Adidas’ interactive, personal coaching and training network.
  • Implemented a REST Api which helped to ingest and manage user related sports data.

Java EE, Backbone, Redis, JavaScript, PostgreSQL

12/2011 - 02/2013
Lead Software Engineer
Xing AG (Internet and Information Technology, 500-1000 employees)
Development of "Xing Talent Manager", Xing's central platform for managing and optimising recruitment.
  • Provided technical leadership to teammates through coaching, pair programming and mentorship.
  • Introduced evolutionary architecture & processes for sustainable development moving from prototype to production.
  • Developed a responsive mobile first single page application which enabled recruiters to address the right people directly.

Ruby on Rails, Backbone, Redis, JavaScript, AMQP, RSpec

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