Hermann Reuter

Reduce Costs for Customs Declarations Classifications Design and implement an algorithm that reduces costs by around 80% for classifying goods sent to 3rd party KI provider. https://www.zalando.de Design and implement Architecture for new Transport Management Service Create new microservice to handle inbound transports from trucks delivered to Zalando. Virtual Bonded Warehouse Project Extend microservice architecture to allow waiving EU customs duties for goods from outside the EU that are sold to non-EU customers. Return to Merchant Project Extend microservice architecture for enabling logistics and warehouse systems to effectively identify overstocks for merchants.

New Media Exchange Service Definition of architecture, designing and implementing a new service using AWS cloud for handling partners and large media data transfers. https://galakto.com New Partner-Portal Designing and implementing a new portal for dealing with partners and large media data for Galakto audio tokens. New Admin-Portal Designing and implementing a new admin portal for managing partners and large media data for Galakto audio tokens. Integration with GS1 service for TIN exchange. Copy Protection Algorithm using Digital Signatures for Galakto Audio Tokens Consulting for applying Public-Key Cryptography to ensure data origin and consistency.

Feature Development in microservice architecture https://www.otto.de/ Migration to Rust Migration of various components to Rust to reduce costs and increase performance.

Features for Shopping Basket Implementing new features in microservice architecture environment. https://www.deutschebahn.com/de/konzern/konzernprofil/Konzernunternehmen/dbfernverkehr-6879486 Storage System for Big Data Evaluation of AWS Glacier storage options and Postgres capabilities for big data and implementing solution.

New backend infrastructure for dealing with carbon credits persisted on blockchain Definition of architecture, interfaces and data flows. Implementation of backend microservices that handle blockchain data for carbon credits and provide consumer facing API. https://www.atem.green Service security architecture Designing and implementing token based authentication and roles- and permission concept to meet special customer requirements. Providing a consumer facing API. New search service for projects tokens Aggregation of different sources using GraphQL. New service for users and accounts Designing and implementing microservice and infrastructure for maintaining accounts and users tailored to meet special requirements. Implementing various flows for user handling by leveraging SendGrid.

Online Service for freelancers - setup infrastructure Design a web portal for supporting freelancers. Create backend infrastructure in the cloud, set up build pipeline and continuous deployment. Implement user management and corresponding flows (e.g. registration). Online Service for freelancers - time tracking and invoicing Define architecture, design and implement time tracking and invoicing. Online Service for freelancers - profile generation and CRM Design and implement service for generating profiles for freelancers and customer relationship management.

Shipment Tours for Customs Implementing new features in a microservice architecture for shipment tours for customs. Currency transition for export/import countries for customs Refactoring components, Testing with other teams Observability for Microservices Instrumenting Microservices to create telemetry data Data for enabling customs declarations for a new country Define data format, create exporter and provide data for 3rd party customs service provider

Federated API for Accommodations Design and implementation of federated API for accommodations using GraphQL with Apollo Federation and mircoservices, drive architectural solutions and decisions, present results to stakeholders, introduce global types de facto standard to accommodation service Accommodation Manager Application Create web application for maintaining accommodations Data analysis Analyzing data from different sources using Python Common Platform for Content about Accommodations Building and extending Microservices for creating a new platform for accommodation content.

User Identity Services Migration Migration of existing monolithic service to new microservice architecture in AWS, API design https://www.otto.de/user/login Introduction of DynamoDB as new Database Technology Research of different database technologies based on given requirements, creating PoC, coaching the team and implemention to use DynamoDB Migration of different user flows Migration of different existing flows based on new architecture Migration IP-Blocklist Rework existing IP-Blocklist generator

Email Notifications for Upcoming Physical Letters (Briefankündigung) Development of micro services based on the ePost platform https://www.deutschepost.de/de/b/briefankuendigung.html Service for Delivery Date Calculation Implementation of Micro-Service to calculate expected delivery date for physical letters