Professional Experience
Cloud Engineer at hae.sh GmbH
- Full-time
Sept. 2021 - Present
- Development of DICE., a software for continous automation of internal controls.
- Using AWS CDK to architect and maintain AWS Infrastructure as Code
- Implemented multi-tenancy, authorization with SSO support, and the internal SaaS context/identity
- DynamoDB database modeling with Single-Table-Design
- Developing AWS Lambda based microservices and API-endpoints in typescript
Fullstack Developer at LUCI GmbH
- Freelance
Jan. 2021 - Aug. 2021
- Worked on LUCI. A SaaS communication platform for nursing homes.
- It includes a React-Native mobile app, a React admin dashboard, and a React tenant management tool.
- Supported by a multi-tenancy backend built on AWS using Infrastructure as Code and AWS CDK. Based on AWS Lambda, DynamoDB, and AWS Cognito.
- Created the entire MVP, briefed the newly hired team on the architecture and the implementation.
Freelancer
Jul. 2019 - Present
- Development of various cloud applications on AWS
- Conducted projects
- MR.Sourcing: Advertising Material Distribution System
- BGL-Prestige: Golf booking platform for organizations
- Business Golf League: Event website for company golf events
- ViSpecs: An app for the optics industry
Skills
Amazon Web Services
- Comprehensive understanding of core services and concepts
- Familiar with best practices of the well-architected framework
- Extensive experience of serverless services and common design patterns
- Proficient in infrastructure automation with AWS CDK
- Hands on experience developing highly scalable applications
- Deep understanding of DynamoDB using single-table design
Backend Development
- Node.js using Typescript
- Scalable REST-APIs with AWS Lambda
- OpenAPI 3 specification
- Integration with AWS services and APIs
Frontend Development
- React using Vite.js / Gatsby.js
- App development using React-Native
- TailwindCSS
- yup, formik, react-query, ...
Projects
MR.Sourcing
System for Distributing Advertising Materials
Jul 2022 - Present
A multi-tenant webshop and storage management system for organizing large corporation advertising material orders.
Built as a highly scalable serverless application using AWS services.
It is scheduled to officially launch in December 2022.
AWS
AWS API-Gateway
AWS CDK
AWS Cloudfront
AWS Cognito
AWS DynamoDB
AWS Lambda
AWS Opensearch
AWS S3
AWS SES
AWS Step Functions
Maizzle
OpenAPI v3
Orval
React/Vite.js
TailwindCSS
TanStack Query v4
Typescript
yarn
BGL Prestige
A golf booking platform for organizations
Oct 2021 - Mar 2022
An innovative web application that allows you to easily book golf tee times at over 35+ golf clubs.
It includes a fully functional booking system as well as support for employee sub-accounts. Members receive an exclusive personalized member card that entitles them to benefits such as free training sessions with golf professionals.
Visit bgl-prestige.comAWS
AWS API-Gateway
AWS CDK
AWS Cognito
AWS DynamoDB
AWS Lambda
AWS S3 & Cloudfront
AWS SES
React/Gatsby.js
TailwindCSS
Typescript
yarn
yup
3D-Printed LED Projects
Published under open-source licenses on thingiverse.com
Jun 2018 - Jul 2020
Over the years, I've published a number of 3D-printing projects, with a particular emphasis on LED decoration using embedded addressable LED strips inside custom 3d-printed parts.
- A forked webserver running on an esp8266 that controls the LEDs
- A webserver with a responsive UI
- Control brightness, colors and patterns
- Over 30+ pre-built patterns
- Support for Amazon Alexa
- A C# application that analyzes system audio and streams it to the microcontroller(s)View on GitHub (51 ⭐)
Published projects on Thingiverse (sorted by likes):
- Smart Nanoleaf Replica (4369 ), January 15, 2019January 15, 2019
- WiFi Controlled Desk Lamp (1571 ), June 16, 2019June 16, 2019
- Twisted WiFi Controlled Desk Lamp (1257 ), January 29, 2020January 29, 2020
- 7 Segment LED Smart Clock (453 ), June 23, 2018June 23, 2018
- Mini 7 Segment Smart Clock (315 ), October 06, 2018October 06, 2018
- IoT Bottle Lighting Pad (181 ), June 17, 2020June 17, 2020
Stats from 03.09.2022
Autodesk Fusion 360
C++
ESP8266
FDM 3D-Printing
MQTT
UDP
WS2812B