Niklas Witzel
IT Consultant
Experience
AI Engineer, Cloud Solution Architect, Backend Developer
AI Product Photography Solution
- Generate hyperrealistic synthetic product photos in sceneries defined by user inputs
AI Engineer, Cloud Solution Architect, Backend Developer
AI Recruiting Solution
- Select suitable candidates based on project descriptions (Candidate Matching)
AI Engineer, Business Analyst, Project Manager
LLM-guided Reference Letter Creation
- Introduce GenAI-powered solution for the creation of employee reference letters
- Introduce RAG-powered HR Support Chatbot
IT Consultant
Tensora GmbH
- Crafting cloud solutions with modern design principles
- Designing scalable systems using cutting-edge AI technologies
- Assessing client needs and providing expert technology recommendations
AI Engineer, Cloud Solution Architect, Backend Developer
AI Writing Assistant
- Conceptualization
- Architecture consultation
- Fullstack Software Development
- Prompt Engineering
- Azure DevOps
Lead Cloud Solution Architect, Fullstack Developer, DevOps
Cloud Transformation & Document Management
- Structured architecture analysis of the status quo
- Identification of risks and potentials
- Development of a target architecture and detailed planning of the transformation process under consideration of complex system requirements
- General cloud consulting and training
Lead Cloud Solution Architect, Fullstack Developer, DevOps
Microservices & Document Management
- Design and detailed planning of the AWS-based native cloud architecture
- Technical coordination of development phases
- Test management
- Implementation of a Spring Boot REST API
- Implementation of AWS Lambda functions based on Java
IT Consultant
cimt ag
- Process Automation of complex business processes
- Engineering of Cloud Microservices
- Cloud Transformation
- Assessing client needs and providing expert technology recommendations
- Internal consulting on generative AI technology and potentials
Cloud Solution Architect, Fullstack Developer
Business Process Automation
- Support for business and technical modeling of business processes using BPMN and DMN
- Automation of business processes using Camunda embedded in a Spring Boot / Java project
- Planning and implementation of interfaces and backend processes in the AWS cloud (SNS/SQS)
- Implementation of an own Camunda frontend based on mockups with Vue.js and GraphQL
- Infrastructure as Code (IaC) with Terraform
- Technical coordination of development phases
- Test management
Founder
Niklas Witzel Software Development
- Freelancing
- Web & App Development
- Cloud Development
- Programming Coach and Lecturer
Fullstack Developer
Cloud-based web crawling and analytics
- Planned and implemented automatic crawling of an ecommerce web shop
- Planned and implemented further analytics of the crawling results
Data Scientist
Diverse Data Science Projects
- Marketing-Mix-Modeling
- Recommendation Engine
- A/B Testing
App Developer
Android Shopping App
- Further development of the company's Android native shopping app
- Planning, design and implementation of new features
Fullstack Developer
Internal Reporting System
- Further development of the company's internal reporting system
- Planning, design and implementation of new features
Software Developer
bonprix Handelsgesellschaft mbH
- Academic studies & working in applied informatics
- Web & App Development
- Cloud Development
- Data Science
- SEO, SEA and SEM activities
Fullstack Developer
Internal Purchasing Systems
- Further development of the company's internal purchasing systems
- Planning, design and implementation of new features
Fullstack Developer
Diverse Web-Development Projects
- Planning, design and implementation of diverse corporate websites utilizing Joomla CMS system
- Development of responsive templates for Joomla CMS system
Skills
Cloud Solution Architecture & Development (Aws, Gcp, Azure)
Front- & Backend Development
Devops
Data Science
Large Language Models
Process Automation
Web Development
Generative Ai
Artificial Intelligence
Business Analysis
App Development
Programming Languages: Java, Python, Kotlin, Javascript, Typescript, (No)sql, Html, Css, C#, Php
Operating Systems: Linux, Windows, Macos
Project Management: Scrum, Kanban, Jira, Confluence
Document Management: Ser Doxis Suite
Solution Architecture: Microservice Architecture, Soap, Three-layer Web Architecture, Monolithic Architecture, Event-driven Architecture, Container-based Architecture
Service Communication: Synchronous (Rest Api, Graphql, Websocket), Asynchronous (Kafka, Rabbitmq, Mqtt, Sns / Sqs, Pubsub, Servicebus)
Process Automation: Bpmn & Dmn, Camunda 7 / 8 Framework
Cloud Platforms: Aws, Azure, Gcp
Cloud Development (Aws): Ec2, Ecs, Eks, S3, Lambda, Api Gateway, Rds, Dynamodb, Iam, Cloudwatch, Cloudtrail, Xray, Route53, Ses, Vpc
Cloud Development (Azure): Ais, Data Factory, Logic Apps, Function Apps, Api Management, Eventgrid, Eventhub, Servicebus, Landing Zones, Iam, App Service, Azure Ai Services, Role Based Access Control (Rbac, Graph Api)
Cloud Development (Gcp): Kubernetes Engine, Compute Engine, Cloud Functions, Iam, Cloud Storage, Bigtable, Bigquery, Analytics, Vpc
App Development: Android Framework, Jetpack Compose, React Native
Web Development: Angular, Vaadin, React, Thymeleaf, Streamlit, Spring Framework, Nodejs, Fastapi, Velocity, Spring Boot, Nextjs, Joomla, Wordpress
Devops / Dev Tooling: Terraform, Cloudformation, Github, Gitlab, Bitbucket, Docker, Kubernetes, Ci/cd, Intellij, Visual Studio Code, Android Studio, Eclipse, Webstorm, Phpstorm, Jupyter Notebooks, Google Colab, Huggingface, Load Balancing
Databases: Postgresql, Mariadb, Mysql, Mongodb, Qdrant, Oracledb, Redis, Elasticsearch, Teradata, Apache Flink, Apache Spark
Observability: Logstash, Kibana, Splunk, Grafana, Prometheus
Generative Ai: Large Language Models, Openai Gpt, Google Gemini, Anthropic Claude, Mistral, Langchain, Github Copilot, Midjourney, Dall-e, Retrieval Augmented Generation (Rag)
Data Science: Numpy, Pandas, Matplotlib, Scipy, Scikit-learn, Keras, Pytorch, Tensorflow, Seaborn, Statsmodels, Opencv, Yolo
Languages
Education
NORDAKADEMIE Graduate School Hamburg
Master of Science, Applied Data Science · Applied Data Science · Hamburg, Germany
NORDAKADEMIE Elmshorn
Bachelor of Science, Applied Information Technology · Applied Information Technology · Elmshorn, Germany
Konrad Zuse Schule Hünfeld
Technical Baccalaureate, Information Technology · Information Technology · Hünfeld, Germany
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