Niklas Witzel - IT Consultant

Q: Where is Niklas based?

Niklas is based in Eichenzell, Germany and prefers 100% remote projects.

Q: What languages does Niklas speak?

Niklas speaks the following languages: German (Advanced), English (Advanced) .

Q: How many years of experience does Niklas have?

Niklas has at least 10 years of experience. During this time, Niklas has worked in at least 10 different roles and for 17 different companies . The average length of individual experience is 1 year and 7 months . Note that Niklas may not have shared all experience and actually has more experience.

Q: What is Niklas's latest experience?

Niklas's most recent position is AI Engineer, Cloud Solution Architect, Backend Developer at AI Product Photography Solution .

Q: What companies has Niklas worked for in recent years?

In recent years, Niklas has worked for AI Product Photography Solution , AI Recruiting Solution , LLM-guided Reference Letter Creation , Tensora GmbH , and AI Writing Assistant .

Q: Which industries is Niklas most experienced in?

Niklas is most experienced in industries like Information Technology , Retail , and Fashion . Niklas also has some experience in Education and Professional Services .

Q: Which business areas is Niklas most experienced in?

Niklas is most experienced in business areas like Information Technology , Product Development , and Business Intelligence . Niklas also has some experience in Marketing , Project Management , and Human Resources .

Q: Which industries has Niklas worked in recently?

Niklas has recently worked in industries like Information Technology , Fashion , and Retail .

Q: Which business areas has Niklas worked in recently?

Niklas has recently worked in business areas like Information Technology , Product Development , and Business Intelligence .

Recommended expert

Eichenzell, Germany

Experience

Jan 2025 - Present

1 year 3 months

AI Engineer, Cloud Solution Architect, Backend Developer

AI Product Photography Solution

Generate hyperrealistic synthetic product photos in sceneries defined by user inputs

Sep 2024 - Present

1 year 7 months

AI Engineer, Cloud Solution Architect, Backend Developer

AI Recruiting Solution

Select suitable candidates based on project descriptions (Candidate Matching)

Sep 2024 - Present

1 year 7 months

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

Jul 2024 - Present

1 year 9 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

Conceptualization
Architecture 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

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

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

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 2022 - 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

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

Marketing-Mix-Modeling
Recommendation Engine
A/B Testing

Aug 2019 - Aug 2020

1 year 1 month

App Developer

Android Shopping App

Further development of the company's Android native shopping app
Planning, design and implementation of new features

Aug 2019 - Dec 2019

5 months

Fullstack Developer

Internal Reporting System

Further development of the company's 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

Further development of the company's 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

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Retail, Fashion, Education, and Professional Services.

Information Technology

Retail

Fashion

Education

Professional Services

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Business Intelligence, Marketing, Project Management, and Human Resources.

Information Technology

Product Development

Business Intelligence

Marketing

Project Management

Human Resources

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

German

Advanced

English

Advanced

Education

Oct 2022 - Nov 2024

NORDAKADEMIE Graduate School Hamburg

Master of Science, Applied Data Science · Applied Data Science · Hamburg, Germany

Aug 2018 - Mar 2022

NORDAKADEMIE Elmshorn

Bachelor of Science, Applied Information Technology · Applied Information Technology · Elmshorn, Germany

Aug 2016 - Jul 2018

Konrad Zuse Schule Hünfeld

Technical Baccalaureate, Information Technology · Information Technology · Hünfeld, Germany

Statistics

Experience

Total positions 17

Experience in Information Technology 8 y

Avg length 1 y 3 m

Longest experience 3 y 8 m

Expertise

Recent roles AI Engineer, Cloud Solution Architect, Backend Developer, AI Engineer, Business Analyst, Project Manager, IT Consultant

Main industries Information Technology, Retail, Fashion

Main business areas Information Technology, Product Development, Business Intelligence

Qualifications

Highest degree Master

Profile

Created

February 2025

Last Update

March 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Niklas based?

Niklas is based in Eichenzell, Germany and prefers 100% remote projects.

What languages does Niklas speak?

Niklas speaks the following languages: German (Advanced), English (Advanced).

How many years of experience does Niklas have?

Niklas has at least 10 years of experience. During this time, Niklas has worked in at least 10 different roles and for 17 different companies. The average length of individual experience is 1 year and 7 months. Note that Niklas may not have shared all experience and actually has more experience.

What roles would Niklas be best suited for?

Based on recent experience, Niklas would be well-suited for roles such as: AI Engineer, Cloud Solution Architect, Backend Developer, AI Engineer, Business Analyst, Project Manager, IT Consultant.

What is Niklas's latest experience?

Niklas's most recent position is AI Engineer, Cloud Solution Architect, Backend Developer at AI Product Photography Solution.

What companies has Niklas worked for in recent years?

In recent years, Niklas has worked for AI Product Photography Solution, AI Recruiting Solution, LLM-guided Reference Letter Creation, Tensora GmbH, and AI Writing Assistant.

Which industries is Niklas most experienced in?

Niklas is most experienced in industries like Information Technology, Retail, and Fashion. Niklas also has some experience in Education and Professional Services.

Which business areas is Niklas most experienced in?

Niklas is most experienced in business areas like Information Technology, Product Development, and Business Intelligence. Niklas also has some experience in Marketing, Project Management, and Human Resources.

Which industries has Niklas worked in recently?

Niklas has recently worked in industries like Information Technology, Fashion, and Retail.

Which business areas has Niklas worked in recently?

Niklas has recently worked in business areas like Information Technology, Product Development, and Business Intelligence.

What is Niklas's education?

Niklas holds a Master in Applied Data Science from NORDAKADEMIE Graduate School Hamburg and a Bachelor in Applied Information Technology from NORDAKADEMIE Elmshorn.

What is the availability of Niklas?

Niklas is immediately available full-time for suitable projects.

What is the rate of Niklas?

Niklas's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.