infoteam GmbH — Senior Full Stack Engineer
Full-stack development of modern web applications for managing fairs and events, including planning, design, debugging, testing, and documentation.
- Spring Boot
- Angular
- OracleSQL
- devextreme
- Angular Material
Portfolio
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simpleshow GmbH — Senior Full Stack und AI Engineer
Recommendation engine based on generative AI. We combined GPT image analysis, vector search, and classic keyword search to find the optimal images for the customers' explainer videos.
- NestJS
- MongoDB
- OpenSearch
- OpenAI GPT-4o
- OpenAI Embeddings
- TypeScript
- Socket.io Websockets
- Angular
- AWS
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infoteam GmbH — Senior Full Stack Engineer
Modernization and optimization of an Android event app by identifying and resolving bottlenecks. Bug fixing for smooth operation. Integration of a comprehensive venue map with location services for enhanced user experience.
- Android
- Kotlin
- Java
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8Buddy GmbH — Senior Backend Engineer
Development of a SaaS platform for knowledge management in engineering teams: Featuring a cloud-native microservice architecture, a React-based micro-frontend, and integration of a chatbot into MS Teams and Mattermost. The project also involved building a design system and a documented component library.
- NestJS
- MongoDB
- Elaticsearch
- AWS
- NATS
- Langchain
- OpenAI
- MS Teams App
- Mattermost App
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simpleshow GmbH — Senior Full Stack Engineer
Innovative asset management system for managing comic images with comprehensive tagging and a high-load API. Utilizing WebSockets for seamless real-time collaboration and MongoDB with OpenSearch for lightning-fast searches and powerful filters.
- NestJS
- SQS
- MongoDB
- AWS
- Serverless
- OpenSearch
- Angular
- Socket.io Websockets
- TypeScript
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A leading provider of payment and financing services — Senior Full Stack Engineer
Innovative product development with React/React Native and NestJS, adhering to legal banking regulations and real-time data processing with Kafka.
- AWS
- NestJS
- React
- React Native
- PostgreSQL
- Kafka
- GraphQL
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spectrum8 GmbH — AWS Consultant
Expert consultancy and active implementation of DevOps requirements in the AWS Cloud, with system evaluation based on industry standards for optimal cost efficiency.
- AWS
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simpleshow GmbH — Senior Backend Engineer
Greenfield-Implementation of a project management system including customer chat and Salesforce-connect
- NestJS
- SQS
- PostgreSQL
- OpenSearch
- Socket.io Websockets
- AWS
- TypeScript
- Twilio
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leogistics GmbH — Senior Backend Engineer
Software development of microservices for a platform in the logistics industry.
- NestJS
- MongoDB
- NATS
Certificates
Tech-Stack
More Work Experience
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TUI Deutschland GmbH— IT Development Specialist
I worked on migrating the infrastructure of tui.com to the AWS Cloud. Using Terraform and AWS CloudFormation, we developed modern infrastructure. I migrated microservices and microfrontends to AWS EKS and ECS, optimized them with AWS Lambda, and developed new services in Go, Node.js, and Java. By closely collaborating with the DevOps team, we created forward-thinking, flexible solutions.
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simpleshow GmbH— Head of Development
As the leader of a development team composed of internal developers and working students, along with collaboration with external partners and DevOps, I was responsible for the advancement of our software architecture within the AWS ecosystem. I successfully transformed our architecture from monoliths to microservices and implemented core functions as FaaS using the Serverless Framework and AWS Lambda.
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Docbiz GmbH— Senior Backend Developer
I designed and developed a microservice architecture for a practice and calendar management app using Spring Boot and Java 8, while migrating existing features to the new architecture and connecting backend services to an Angular frontend. Additionally, I built the search functionality for arzttermine.de and created REST APIs with Serverless, AWS API Gateway, and AWS Lambda. The application was successfully integrated with Salesforce, Twilio and Stripe, supported by DevOps practices.
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simpleshow GmbH— Backend Developer
I developed high-load web applications and designed and implemented new backend features, optimizing existing functions for efficiency and performance. I independently led sub-projects, working with Java 8, Spring Boot, Python, and Node.js, and built a service architecture for video rendering using AWS SWF. Additionally, I integrated payment providers such as Payone and PayPal.
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Deutsche Rentenversicherung Bund— Software Developer
I designed, programmed, and ensured the quality of software systems for auditing procedures, adapted functions in PL/SQL, and developed new features with JavaFX. Additionally, I conducted manual testing and optimized web components for accessibility to enhance the user experience.
Education
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Deutsche Rentenversicherung Bund
IT Specialist in Application Development