Lorenz Lo Sauer

After a short break, taking the decision to foster both personal and professional growth, based on a list of long-desired goals:

• Learning the US International Keyboard Design and to maintain 80 wpm in Spanish, English and German. The US key mapping is desirable, due to frequent encounters of US command lines in virtual environments. (10fastfingers.com)
• Writing and Publishing a Singleton Design Pattern Library for C# fully documented and tested
• Writing and Publishing an "easy-to-use, portable, tested, documented, serializable, thread-safe, strongly typed converter library for .NET"
• Continuous Integration workflow and automation with Travis & AppVeyor, Unit Testing Toolkits for .NET and automated conditional packaging and publishing
• Unit testing and UI testing with phantomJS and Selenium
• Dependency Injection applied in a comprehensive project
• Socializing in non-work related fields

Working as a UI designer/programmer, with Full Stack requirements, at an intermediate level alongside a senior UI specialist, in a company with a Jenkins CI and GIT workflow

• Full Stack design of interactive UI widgets/gadgets to visualize parts of the Ixolit Cloud Ecosystem, which itself is used by high-end customers to upload and broadcast anything backed by a global CDN.
• Creating widgets for "If-This-Then-That (ITTT) logic", widgets for setting programmable triggers, implemented in the backend through CRON and SQL, widgets for A/B Testing-Setups to divert customers to other pages such as promotions depending on location, browser etc...
• Designed widgets to visualize and configure the client subscription flow of subscriber packages (with upgrades, resubscription packages, cancellation, prorating, promotional offers..)
• Designed widgets to visualize any kind of traffic metrics in real time from a pool of hundreds of potential measures
• Designed and implemented an IDE for creating and managing website content, using ACE.js, and a complex internal API flow
• Improving the administration area and “linking” new UI features to the PHP code base, whilst consulting with an internal team of PHP specialists
• Unit testing and UI testing with PhantomJS and Selenium
• Documenting created features in an internal wiki
• Implemented a client/server platform to be able to provide Ads, drawn and rasterized by a PHP script - implemented in the Laravel framework and using the PHP ImageMagik plugin.
• Created a greeting-card platform / CMS for a very popular football club in Austria, called “Rapid” (​https://goo.gl/9aPHFU​), partially based on AngularJS

Working as a Full Stack developer, alongside Senior and Intermediate colleagues, carrying out web projects in a company using a CVS and GIT workflow with pragmatic unit testing and frequent customer support.

In charge of the .NET based Desktop Application development and technical customer support through Telephone, Skype and Teamviewer.

• For www.lead-butler.de, a sales and brokerage platform of "leads" (potential sales contacts), put in charge of the technical customer support, maintenance, debugging, plugins/extensions and API incorporations of third-party providers. The backend and business logic has been written in Django 1.2; Task scheduling such as pdf generation, maintenance and API checks utilized celery and Rabbit MQ. The development has been carried out in a virtual machine, with a light Debian console guest, using VirtualBox and many external open SSH connections.
• Conception and development of a desktop multitasking tool, running in the notification bar in Windows. It synchronizes a local database, running MSSQL Server 2008, with a remote database of a web store. The web database contains a product-catalog, and a client list, uses PostgreSQL and has a highly deviant data scheme to its local counterpart. The sync-application is an implementation facilitating task scheduling, schematic table mapping, and fast processing, whilst meeting the security guidelines of the remote web store API.
• Implementation of a fitness web platform, offering services such as a count of the daily caloric intake, coordinating with sports communities, and finally a backend for all that based on Zend 2. Later, employing Drupal 6 in the development.
• Improving, analyzing and remote debugging of a Typo 3 live-system, through the command-line, resulting in a heavy Linux use of the bash.
• Implementing a simple plugin for Typo 3 that provides ads, while logging additional user client data
• Implementation of a web shop for artwork of Österreichische Werkstätten (www.austrianarts.com/), together with a web presentation, managed by a CMS in Zend 2, to give visitors a profile and history of the company.
• Weather domain implementation in ASP.NET for derstandard.at/wetter​, under a strict manual of code standards and strict code reviews, as part of the SLA with derstandard.at. Working exclusively remotely using virtual machines (Windows Server 2012; Visual Studio 2013; Team Foundation Server) and Windows Remote Desktop (RDP), provided by derstandard.at. Extending the codebase using DTO objects, ADO.NET Entity Framework for ORM. Researching and adapting a charting framework to meet the pixel-precise Photoshop design template requirements.

Adjusting to a legacy PHP code base, as part of a comprehensive "Technical SEO" platform with the aim of gradually debugging, improving and rewriting it, whilst proposing and eventually implementing new features under a strict CVS workflow.

• Familiarizing with the PHP Command Line Interface multitasking implementation using its own PHP task scheduler and script invocation passing command line arguments.
• URL Linter Tool
• Learning SQLite and its toolchain for an efficient workflow, owing to client analysis-reports being stored individually and isolated
• Improving UI Widgets using jQuery, jQuery UI and custom implementations
• Rapidly learning the Ins and Outs of technical SEO
• Feature Proposal with strict writing standards
• Communication solely in English using strict communication etiquette rules

Devising a scientific data aggregation and gathering platform ("Gator") for the MoSYS team, a team that carries out Metabolomics, as one of biology's Big Data disciplines

• "A Distributed Data Aggregation Platform for Plant Metabolomics and Biochemistry"
• Writing novel visualization plugins of chemical plant pathways, and searching for chemicals, pathways or enzyme classification numbers
• Implementing search caching of visually rich and relational queries and introducing various speed optimizations
• Using ExtJS, jQuery UI and Dojo, depending on the sub-systems of the project
• Devising the storage of the predominant scientific databases, as “Datawarehousing”, by subjecting them to the ETL (Extract, Transform, Load) pipeline.
• Creation of a JSON based RPC that federates web-services (SOAP, REST, JSON,...) and makes them accessible in the browser-DOM through a thin MVC layer.

Optimization and profiling of the SQL statements with nested subroutines, to optimize the performance of a web domain and architectural database design

• Creating the web presentation of a paint company alongside a senior web developer
• Optimization and profiling of the SQL statements with nested subroutines, to optimize the performance of a web site.
• Preparing the database and SQL declarations for a new client project selling sports appliances

Initially assisting with the web design and PHP programming of web sites for clients using the company’s own framework. After 8 weeks, put in charge of the realization and artistic elaboration of the 'secondary' client projects, including visiting the clients for consultation, and cost calculation of the plans available and the predictable time frame of each plan.

• One project particularly mentionable was an SMS based flirting service (​www.0900secret.at​ ) with a PHP client/server architecture and a PHP backend containing the business logic server, communicating with an API of the contracted SMS provider.
• Created an admin UI to analyze the usage traffic stats and details about the API flow (messaging platform, etc.)
• Complete implementation for a gewista.at press/business relations project "CityLight Newsroom"
• Community support for a German Microsoft Office site