Developer
2018 - PRESENTTata Steel DV- Scoped, planned and implemented new features to an internal application.
- Delivered a massive integration change with Zoho Books.
- Integrated Hubspot CRM.
Technologies: PostgreSQL, Heroku, RubyDeveloper
2018 - 2018Blend Media- 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.
Technologies: PostgreSQL, ElixirFreelance Developer
2017 - 2017QT Mobilitätsservice GmbH (Qixxit)- 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.
Technologies: pgRouting, Docker, Neo4j, PostgreSQL, ElixirFreelance Developer
2016 - 2017solarisBank AG- 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.
Technologies: Docker, PostgreSQL, Apache Kafka, Elixir, RubySenior Developer
2013 - 2016Propertybase GmbH- 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).
Technologies: Salesforce, Redis, MongoDB, PostgreSQL, JRuby, Ruby on Rails (RoR), RubySenior Developer
2011 - 2013stylefruits GmbH- 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.
Technologies: MySQL, Redis, Ruby on Rails (RoR), RubySenior Software Engineer
2008 - 2011Capgemini- 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.
Technologies: Oracle, JavaDeveloper
2005 - 2008Process Innovation Ag- Developed for the web with Java and JSP.
- Worked on IMB Lotus Notes and IBM DB2 development.
Technologies: Lotus Notes, JEE, Java