Custom cloud-based
software development

I bring over ten years of expertise in frontend development, complemented by a solid two-year track record in backend development for microservices and an extensive background of over three years in full-stack development. My commitment to the Product Thinking approach is evident through my enthusiasm for collaborating with cross-functional teams to comprehend requirements and deliver proper solutions and automate workflows in the company.

Web Development
Fullstack
Backend
SmartHome
Project Management

Web Development

HTML
CSS
React
Responsive
Webpack
ES6
node.js
npm / yarn

Fullstack

NextJS
REST API
Prisma
PostgreSQL
CI/CD
GCP Build
GCP Run
Docker

Backend

Node.js
Nestjs
BullMQ
Redis
Express
.Net Code
Micro Services

Smart Home

Siemens SIMATIC
JSON-RPC
MQTT
Node-RED
Linux
Raspberry Pi

Project Management

PM-Role
PoC Planing
Requirements Definition
Concept Evaluation
Scrum
JIRA
ClickUp

2021

-

2023

Software Engineer | Smart Home @ Beglau Wärmepumpen GmbH

Beglau Wärmepumpen GmbH is a medium-sized company that has specialized in the manufacture of heat pumps. The company would like to add a smart home control system to their products.

My task was to implement a web app that was installed offline and online on a Siemens control system. The technical scope was to implement and connect UI with Siemens Simatic via JSON-RPC. In addition, planing and development of several reporting tools based on a "Raspberry Pi" that helps to prevent damages of the heating pump.

React
CSS
TypeScript
Siemens SIMATIC
Figma
Raspberry Pi

2020

-

2023

Fullstack Developer @ Gebrüder Saleh GmbH

Gebrüder Saleh assigns interpreting jobs to a network of freelancers.The company would like to completely digitize and automate its processes in order to be able to scale up.

In addition to the complete planning of the project, my tasks were the implementation of the frontend and backend as well as the deployment and monitoring of the entire platform.

Examples of some features are: login for employees, sending inquiries via WhatsApp API, creating invoices as PDF.

React
NestJS
TypeScript
Material UI
Auth0
GCP Build & Run
BullMQ
Redis
Prisma (JS)
PostgresSQL
React to PDF
Mailgun

Q2 2022

-

Q2 2023

Fullstack Developer @ ServiceHero

Wisag AG wants to make the pest control market more transparent by providing a platform where customers and high quality partners will be connected. The client started a new digital venture together with BCG Digital named ServiceHero.

My task in a small development team is to plan and develop feature request coming from management. The technical scope is to build UI that combines Hubspot as CRM and internal business processes. To archive this, I’m build Next.js UI and API that connects all systems and runs on Google Cloud Platform.

React
Next.js
TypeScript
GCP
Prisma (JS)
SCSS
Figma
PM
CRM
Hubspot
MessageBird
API Integration

Q1 2022

-

Q2 2022

Product Manager @ getquin

"getquin" is the Social Investment Community for all investors & those who want to become one. At "getquin" you can create your personal profile, add your individual portfolio, monitor and optimize all your assets in one place and even share it with friends and family.

My task in a development team (7 members) is to plan and develop feature request coming from management. The technical scope is to build UI that combines Hubspot as CRM and internal business processes. To archive this, I’m build Next.js UI and API that connects all systems and runs on Google Cloud Platform.

Product Management
Scrum
JIRA
ClickUp

Q3 2021

-

Q4 2021

Fullstack Developer @ ServiceHero

Wisag AG wants to make the pest control market more transparent by providing a platform where customers and high quality partners will be connected. The client started a new digital venture together with BCG Digital named ServiceHero.

As the only developer at this young startup my task is to keep the system running. Additionally, plan, develop and deploy new feature together with the Sales and Operational departments. The entire system runs on AWS.

React
Serverless
Material UI
AWS
Terraform
Node.js
PM
CRM
Hubspot
MessageBird
API Integration

Q2 2019

-

Q4 2020

Software Engineer | DevOps | PM @ Kfzteile24

Rebuilding old monolith logistics software used in several warehouses for a famous car parts retailer. The goal was to migrate an old and outdated monolith into cloud based sub-applications.

I was developing micro services and REST APIs in an event driven environment using .NET Core Framework. The deployment and monitoring of the services was my task as well.

Next to the daily business I was engaged to improve the testing strategies and coverage for all services in the team. Additionally, I was consulting and pushing the team how to write better tests.

C#
.NET Core
REST API
SNS/SQS
AWS
Terraform
Microservices
Entity Framework
PostgresSQL
Docker
PM

Q3 2018

-

Q2 2019

Frontend Developer | PM @ immobilienscout24

Web development project for one of the biggest real-estate companies in Germany. The goal of this project was to re-launch a real-estate platform (atlas.immobilienscout24.de) with a new responsive look.

I was responsible to implement the new design in React components based on in-house CSS Framework. Next to the development part of the project I filled the gap as scrum master and product manager (20%) for my team.

React
Redux
Storybook
SEO
Scrum Master
PM