Niklas Witzel

AI Engineer, Cloud Solution Architect, Backend Developer

Niklas Witzel
Eichenzell, Germany

Experience

Jan 2025 - Present
4 months

AI Engineer, Cloud Solution Architect, Backend Developer

AI Product Photography Solution - Consumer Goods

  • Generate hyperrealistic synthetic product photos in sceneries defined by user inputs
Sep 2024 - Present
8 months

AI Engineer, Business Analyst, Project Manager

LLM-guided Reference Letter Creation - Banking

  • Introduce GenAI-powered solution for the creation of employee reference letters
  • Introduce RAG-powered HR Support Chatbot
Sep 2024 - Present
8 months

AI Engineer, Cloud Solution Architect, Backend Developer

AI Recruiting Solution - Recruiting

  • Select suitable candidates based on project descriptions (Candidate Matching)
Jul 2024 - Present
10 months

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
Jul 2024 - Aug 2024
2 months

AI Engineer, Cloud Solution Architect, Backend Developer

AI Writing Assistant - Journalism

  • Conceptualization
  • Archtitecture consultation
  • Fullstack Software Development
  • Prompt Engineering
  • Azure DevOps
Sep 2023 - Jun 2024
10 months

Lead Cloud Solution Architect, Fullstack Developer, DevOps

Cloud Transformation & Document Management - E-Commerce

  • 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
Oct 2022 - Sep 2023
1 year

Lead Cloud Solution Architect, Fullstack Developer, DevOps

Microservices & Document Management - E-Commerce

  • 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
Apr 2022 - Jun 2024
2 years 3 months

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
Apr 2022 - Oct 2022
7 months

Cloud Solution Architect, Fullstack Developer

Business Process Automation - Financial Services

  • 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
Jan 2021 - Mar 2023
1 year 3 months

Founder

Niklas Witzel Software Development

  • Freelancing
  • Web & App Development
  • Cloud Development
  • Programming Coach and Lecturer
Aug 2021 - Apr 2022
9 months

Fullstack Developer

Cloud-based web crawling and analytics - E-Commerce

  • Planned and implemented automatic crawling of an ecommerce web shop
  • Planned and implemented further analytics of the crawling results
Aug 2020 - Aug 2021
1 year 1 month

Data Scientist

Diverse Data Science Projects - E-Commerce

  • Marketing-Mix-Modeling
  • Recommendation Engine
  • A/B Testing
Aug 2019 - Aug 2020
1 year 1 month

App Developer

Android Shopping App - E-Commerce

  • Further Development of the companies Android native shopping app
  • Planning, Design and Implementation of new features
Aug 2019 - Dec 2020
5 months

Fullstack Developer

Internal Reporting System - E-Commerce

  • Further Development of the companies internal reporting system
  • Planning, Design and Implementation of new features
Aug 2018 - Apr 2022
3 years 9 months

Software Developer

bonprix Handelsgesellschaft mbH

  • Academic Studies & Working in Applied Informatics
  • Web & App Development
  • Cloud Development
  • Data Science
  • SEO, SEA and SEM activities
Aug 2018 - Aug 2019
1 year 1 month

Fullstack Developer

Internal Purchasing Systems - E-Commerce

  • Further Development of the companies internal purchasing systems
  • Planning, Design and Implementation of new features
Aug 2016 - Jul 2018
2 years

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

Summary

As an AI Engineer, Cloud Solution Architect, and Backend Developer, I specialize in creating innovative, scalable solutions that bridge cutting-edge AI technologies with robust cloud architectures. My expertise spans generative AI, large language models, and automation, enabling me to deliver impactful solutions like hyperrealistic synthetic photography, AI-driven recruiting, and GenAI-powered HR tools. With a strong foundation in cloud transformation, microservices, and full-stack development, I’ve designed and implemented complex systems across industries such as e-commerce, financial services, and journalism. My technical toolkit includes AWS, Azure, Spring Boot, Terraform, and Vue.js, ensuring seamless integration and performance. From conceptualization to deployment, I excel at translating business needs into technical solutions, driving efficiency and innovation. Whether it’s building AI-powered applications, automating processes, or architecting cloud-native systems, I bring a results-driven approach to every project.

Languages

German
Native
English
Advanced

Education

Oct 2022 - Nov 2024

Nordakademie Graduate School Hamburg

Master of Science · Applied Data Science · Hamburg, Germany

Aug 2018 - Mar 2022

Nordakademie Elmshorn

Bachelor of Science · Applied Information Technology · Elmshorn, Germany

Aug 2016 - Jun 2018

Konrad Zuse Schule Hünfeld

Information Technology · Hünfeld, Germany

Certifications & licenses

Aws Certified Developer - Associate

AWS

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