Building frontend and backend for a financial application with Golang, Node.js, Angular and Postgres.

Developing backend microservices based on Golang and Node.js including REST and Websocket APIs

• Developing frontends based on Angular
• Deploying services with Jenkins
• Developing several database schemas for a financial platform with Postgres

Overseeing a project involving the migration of infrastructure that in-cludes the integration of new hardware in two customer locations. This project also involves transitioning from a deprecated system to the use of Office 365 and Azure Active Directory.

• Develop a comprehensive audit of the current, outdated system, de-tailing all hardware such as switches, servers, UPS, access points, desk-top computers, notebooks, smartphones, VoIP phones, firewalls, etc.
• Collaborate in designing a blueprint for the new technology landscape
• Formulate a detailed migration strategy
• Oversee the entire process, involving the customer's employees, 3rd party vendors as integral members of the team

Setting up an efficient system for the evaluation and development of machine learning models, and experimenting with Large Language Models (LLMs) and Stable Diffusion.

• Setting up and assembling the deep learning rig with 2 x ASUS ROG STRIX 4090
• Preparing the software with CUDA drivers
• Launching oobabooga and automatic1111 with different models as a service
• Developing a code completion tool for VSCode on CodeGen models
• Training a financial model on historical and live stock market data combined with current and historical news
• Developing a financial bot for the evaluation of market data with Node.js, Postgres, Jenkins

• Technical requirement analysis 
• Development of infrastructure concept for the SaaS model 
• Scaling architecture conception for frontend and backend 
• Monitoring / Analytics conception 
• Backend microservice development in Golang | Node.js |Postgres | Docker
• Frontend development in Svelte | Angular | TypeScript
• Mobile development in React Native
• Co-development of a cross-platform mobile App
• Design of REST and WebSocket APIs and database schemas
• Code reviews for frontend & backend
• Setting up CI/CD pipelines in Gitlab

Strategic planning, infrastructure, customer relations 

• Conception of go-live campaigns 
• Implementation of UX evaluation and optimization concepts 
• Development of the company's short- and long-term strategies 
• Fine-tuning the corporate strategy

Design and conception of technical architecture within SAP BI & SAP BW products. Building an MVP for a SaaS collaboration project

• Requirements alignment within SAP BW, BI and Web-Components 
• Project Management and co-implementation 
• Defining / testing different technology stacks for scalable systems 
• Development of containerized system design on top of Kubernetes 
• APIs design and implementation across different services in SAP BW and BO

Conception and implementation of future-oriented POC project with the Microsoft HoloLens and Unity3d

• Requirements alignment with the state-of-the-art technology 
• Project management and co-implementation 
• Development of an AR application in Unity 
• APIs design and implementation 
• Implementation of API | component testing suites 
• AR representation of browser windows 
• Precise storage of visual information within a physical space and finding the information again within the AR application

Conception and implementation of an SAP Lumira custom component that performs SAP BW master-data operations through a user-friendly frontend 

• Understanding of business use cases 
• Integration of matching web frameworks into the SAP Lumira 
• Extending a web framework with already existing components for the web 
• API definition and implementation of frontend client connectors 
• Development of test-cases

BW hierarchies needed to be graphically managed by dragging and dropping. The user experience was modelled to be similar to the iPhone. Any changes in the hierarchy should be directly saved in the BW or as a new scenario. Different zoom levels with different detail levels were required

• Conception and configuration for an SAP BW secure connection for the REST API 
• Developing interactive SAP BW hierarchies in web dashboards of SAP Design Studio
• UI / UX conception & implementation across small devices and large screens 
• Conception of a user-friendly way that handles touch & mouse inputs

Development of a POC web component, on the basis of which the real product is developed. Implementation of a commenting solution in SAP Design Studio

• Combining SAP Design Studio dimensions/KPI data with custom web components 
• Development of web-settings components 
• Development of connectors to the SAP BW RFC Nodes 
• Deep dive into JavaScript, jQuery etc
• Creating integration and component tests