Developer2018 - PRESENTTata Steel DV
Technologies: PostgreSQL, Heroku, Ruby
- Scoped, planned and implemented new features to an internal application.
- Delivered a massive integration change with Zoho Books.
- Integrated Hubspot CRM.
Developer2018 - 2018Blend Media
Technologies: PostgreSQL, Elixir
- Supported the development of new features.
- Came up with a new concept for the publishing pipeline of 360° videos.
- Successfully integrated the product with Salesforce Pardot.
Freelance Developer2017 - 2017QT Mobilitätsservice GmbH (Qixxit)
Technologies: pgRouting, Docker, Neo4j, PostgreSQL, Elixir
- Introduced a new CI pipeline to improve deployment processes and regression tests.
- Built an automated acceptance test suite to give product department a better overview of the state of development.
- Implemented a proof of concept for a routing engine based on pgRouting.
Freelance Developer2016 - 2017solarisBank AG
Technologies: Docker, PostgreSQL, Apache Kafka, Elixir, Ruby
- Implemented a database anonymization program for efficiently creating test data.
- Improved the existing continuous integration process.
- Created a notifications feature in the core applications that sent out messages via WebHooks.
- Worked on a prototype for a core banking system built in a CQRS way.
Senior Developer2013 - 2016Propertybase GmbH
Technologies: Salesforce, Redis, MongoDB, PostgreSQL, JRuby, Ruby on Rails (RoR), Ruby
- Designed and implemented a periodical import tool to fetch listing data in different formats (JRuby).
- Implemented and maintained the lead generation tool while working closely together with customer success and sales teams to further adapt the tool to new inbound channels.
- Handled and managed the technical onboarding of new clients (including data migration to Salesforce).
Senior Developer2011 - 2013stylefruits GmbH
Technologies: MySQL, Redis, Ruby on Rails (RoR), Ruby
- Maintained and improved the main application (Ruby on Rails).
- Developed a URL-shorting service (Sinatra on JRuby).
- Designed and implemented a back-end to manage language translation tokens (Sinatra).
- Managed and handled the weekly testing process—writing automated scripts and overseeing the manual testing sessions.
Senior Software Engineer2008 - 2011Capgemini
Technologies: Oracle, Java
- Improved and maintained a Java-based web application for Deutsche Telekom AG (OMS-IP).
- Led workshop lessons regarding knowledge transfers for an offshore team in Kolkata, India.
- Maintained an invoicing system for a satellite TV provider in Munich.
- Improved an internal continuous integration workflow by dynamically dispatching test cases to concurrent processes.
Developer2005 - 2008Process Innovation Ag
Technologies: Lotus Notes, JEE, Java
- Developed for the web with Java and JSP.
- Worked on IMB Lotus Notes and IBM DB2 development.