Alexander Schaefer Email & Phone Number

Palo Alto, Ca, Us

Walldorf, Bw, De

Driving AI innovation for enterprise applications and the SAP Business Technology Platform (BTP). Closely engaging with the Silicon Valley AI ecosystem, universities, and startups. Technical leader managing an organization of software engineers and AI experts.

Walldorf, Bw, De

Shaping the future of enterprise software, covering a broad spectrum of areas such as Artificial Intelligence, Machine Learning, Data Science, Blockchain, Digital Identity, Metaverse, Cloud Native, and Semantic Technologies.Managing an organization of teams consisting of managers, software engineers, data scientists and user experience designers.

Walldorf, Bw, De

Driving technology and innovation at SAP.● Developing strategies for new technologies such as Self-sovereign Identity (SSI). Aligning strategy company-wide with different teams and stakeholders.● Representing SAP externally with conference talks and within technology communities.● Advising other teams and projects within SAP on technology, architecture and implementation decisions● Lead engineer developing customer co-innovation prototypes. ▬ JavaScript, Python, Node.js, Flask, Solidity, Ethereum, Hyperledger Indy, Hyperledger Aries, self-sovereign identity● Researching and evaluating innovation opportunities.● Setting up projects for proof-of-concept implementation. Architecture definition and implementation of PoCs. ● Expanding scope of PoCs by leading project teams in the function of technology lead and project lead. ● Establishing and maintaining customer relationships around technology topics. Engaging with partners.

Walldorf, Bw, De

Developing a vision and strategy for the future of digital identity and self-sovereign identity (SSI) in an enterprise context.Driving implementation of projects targeting adoption and integration of innovative identity solutions.

Walldorf, Bw, De

● Product Owner and Technical Lead for Quorum and Ethereum Product Development on SAP Cloud Platform.● Leading a team of 4 full-time employees and 2 interns.● Definition of technical architecture and implementation (Kubernetes, SAP Cloud Platform Cloud Foundry, Quorum/Ethereum, Solidity, JavaScript)● Technical and project leadership● Customer roll-in, Customer interactions, collecting Customer feedback● Responsible for backlog definition and prioritization. Defining deliverables● Accept or Reject sprint results on Scrum level● Responsible for definition and realization of long-term product vision● Technical Conference talks and webinars

Walldorf, Bw, De

● Ethereum and Quorum Development● Blockchain & Distributed Ledger Technology (DLT) development. Smart Contract Development.● Hyperledger, Fabric, Chain Code, Go● Ethereum, Solidity● Cloud Foundry. Blockchain-as-a-Service● Exploration of new technologies and business opportunities

Walldorf, Bw, De

● Design and implementation of innovative applications that have the potential to disrupt the existing business (main focus on web applications and ML applications)● Development work on high priority projects, often initiated by the executive board. Projects range from database layer (data model optimizations, landscape optimizations) to application layer (novel use cases in the S/4 HANA scope)Highlights:● Development and implementation of an agent which autonomously partitions data based on the past workload▬ JavaScript, Python, Reinforcement Learning, Deep Neural Networks, DQN, ML/AI● Implementation of web application prototype "Stock Champion" which drastically simplifies the process for managing the stock of perishable goods of food companies. Processes which previously took hours or days using Excel sheets can now be performed within minutes. Project was presented at annual SAP user conference Sapphire NOW in keynote of SAP founder Hasso Plattner. Scrum Master & Dev▬ JavaScript, OpenUI5, HTML, CSS, SAP HANA● Designed and implemented learning platform with smart content retrieval and summarization. Core features rolled out improving openSAP MOOCs platform. Presented application at SAP in-house conference DKOM. Technical lead. Front-end & back-end development▬ Google Dart, JavaScript, Google Polymer, RESTful, Text analysis, Data mining (k-means clustering), HANA XS Engine, SAP HANA, HANA One Cloud Platform (AWS)● Talk at SAP in-house developer conference (DKOM) for an introduction to Google Polymer & Google Dart● Tutor at SAP DKOM for a hands-on programming introduction to Google Dart and Polymer● Research, development, and benchmarking of an improved system landscape to substantially reduce total cost of ownership (TCO)▬ Python, SQL, Data model analysis, Linux operations (SLES) (OS level thread scheduling, CPU affinity, Memory hard limit, Bash Scripting, Landscape setup), Performance benchmark (jMeter, ABAP stack & DB tracing)

Walldorf, Bw, De

● Developed applications that leverage in-memory database SAP HANA. Focus on innovative prototype applications with average project duration of about three months● Worked on special high-priority projects, often initiated by the executive board● Development of proof-of-concept applications. Use of cutting-edge technologies, exploring new ideas and evaluating them with regard to their desirability, feasibility, and viabilityHighlights:● Implemented modernized user interface for ERP financial applications General Ledger, Vendor Balance, and Customer Balance. Subsequent iterations rolled out as part of SAP Simple Finance (sFIN). Technical lead of five developers▬ JavaScript, HTML, CSS, OpenUI5, SAP Fiori, SAP HANA● Implemented headless browser testing and code coverage infrastructure on Ubuntu for the team’s Polymer.dart web applications▬ Shell Scripting (Bash), Jenkins, Xvfb, Chromium content_shell● Implemented authentication mechanism for XML message publishing to a central hub, which is used to verify medicine authenticity. Implemented thread-safe daemon to manage identities, certificates, and CRLs▬ Java, X.509, XML signature, Apache Tomcat, Apache Maven● Developed iPhone app which scans a medicine barcode and shows authenticity check result and leaflet▬ iOS, Objective-C● Designed and implemented web application and algorithm allowing contextual navigation and exploration of business objects, without need of additional metadata. Enabling users to easily find related business documents and objects, for instance for a specific sales order. Technical lead. Frontend & backend development▬ Google Dart, JavaScript, Google Polymer, RESTful, SQL, XS Engine, SAP HANA● Developed in-browser modeling tool for data scientists. Scrum Master. Front-end & Back-end dev▬ JavaScript, OpenUI5, SAP HANA Predictive Analytics Library● Development of novel programming model for SAP HANA▬ Python, Tutorial D, SQL Script, L Lang, Flask

Walldorf, Bw, De

● Implemented prototype to allow medicine tracking and verification (WSGI web application). An EPC Information Service (EPCIS) and EPC Discovery Service (EPCDS) were implemented leveraging SAP HANA database. The EPICS allowed fine-grained access control.▬ Python, SQL, Flask, XACML, SAP HANA, Gunicorn● Developed iPhone application for "GO-RFID" project which allows scanning of a medicine barcode, displays the medicine package's trace in the supply chain (from manufacturer to retailer), and displays the result of an authenticity check▬ Objective-C, iOS● Research and development of an object query language for SAP HANA▬ Python, Tutorial D, Pyparsing● Worked on object-relational mapper (ORM) for SAP HANA▬ Python, SQL

Potsdam, Brandenburg, De

● Implemented prototype EPC Information Service (EPCIS) and EPC Discovery Service (EPCDS)▬ Java, SQL, Apache Tomcat, SAP HANA● Tested and evaluated performance of SAP in-memory database HANA in the context of EPC event data generated by a workload simulation for EPCIS and EPCDS▬ SQL, jMeter, SAP HANA, DB schema design

Potsdam, Brandenburg, De

Tutor for students working with jABC modeling framework.

Master’S Degree, M.S. In Computer Science, It Systems Engineering

Bachelor’S Degree, B.S. In Computer Science