Fullstack Developer

5/2022 – 5/2023

Description:
Further development of a digital platform in the energy sector running on Amazon AWS in an agile environment.

Products / Skills:
▪ Angular (Nx, NgRx, RxJs, Jest, Mocha)
▪ AWS (ParamStore, DynamoDB, SDK, SQS, SNS, S3, Lambda)
▪ Drone CI
▪ Jenkins
▪ Golang
▪ Confluence
▪ Slack
▪ Contentful
▪ Papertrail
▪ Amazon AWS
▪ Kubernetes
▪ Docker
▪ Dynatrace
▪ GitHub
▪ Jira

Details:
▪ Fullstack development in the area of accounting, finance and pay-
ments
▪ Microservice backend development in Golang, Node.js, SQL
▪ Monorepo frontend development in Angular
▪ Release management, preparing and deploying services / contens
▪ User test execution

Typescript, JavaScript, Amazon Web Services (AWS), Angular, Confluence, Docker, Golang, Jenkins, Jira, Kubernetes, Node.Js

2/2020 – 4/2022

Description:
Led the architecture and development of a comprehensive cloud-na-
tive microservices ecosystem, utilizing a sophisticated tech stack that in-
cluded Golang, Postgres, S3, Kubernetes, Docker, and GitLab. This pro-
ject involved intricate database design and the creation of both REST
and WebSocket APIs. Spearheaded the backend development using
Golang and Node.js, focusing on efficiency and scalability. The frontend
development was managed using a blend of Svelte, Angular, TypeScript,
SCSS, HTML, and micro frontends, ensuring a responsive and modern
web user interface. Additionally, the project encompassed the develop-
ment of a cross-platform mobile application with React Native, achiev-
ing seamless functionality and user experience across diverse devices.

Products / Skills:
▪ Google Suite
▪ Kubernetes
▪ Docker
▪ Gitlab
▪ Wasabi / S3
▪ FullStory
▪ Postgres / Redis
▪ Golang
▪ Node.js
▪ Svelte, Angular
▪ TypeScript / JavaScript
▪ React Native
▪ Jest, Mocha
▪ JSDoc

Details:
▪ Technical requirement analysis
▪ Development of infrastructure concept for the SaaS model
▪ Scaling architecture conception for frontend and backend
▪ Monitoring / Analytics conception
▪ Backend 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

Typescript, JavaScript, JavaScript-Frameworks, Angular, Docker, Full-Stack, Golang, Kubernetes, Node.Js, Postgresql, React Native

6/2018 – 1/2020

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

Products / Skills:
▪ SAP Lumira Studio + Designer
▪ SAP Analytics Cloud
▪ JavaScript ES5 / ES6
▪ HTML, (S)CSS
▪ Angular
▪ ABAP

Details:
▪ 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

Node.Js, Typescript, Angular, CSS (Cascading Style Sheet), HTML5, JavaScript, Software Architecture, Software engineering / -technik

8/2017 – 6/2018

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

Products:
▪ Unity3d
▪ Blender
▪ HoloLens
▪ VivifyScrum

Details:
▪ 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

Software Architecture, Software engineering / -technik

9/2016 – 8/2017

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

Products:
▪ SAP BW Products
▪ Lumira 2.x
▪ VivifyScrum

Details:
▪ 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

Software engineering / -technik

10/2015 – 9/2016

Description:
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.

Products:
▪ SAP Design Studio Products
▪ SAP BW
▪ VivifyScrum

Details:
▪ 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

Software engineering / -technik

1/2014 – 7/2016

Description:
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.

Products:
▪ SAP Design Studio
▪ Eclipse

Details:
▪ 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

Software engineering / -technik