Cloud Solution Architecture & Development (AWS, Azure, GCP), Front- & Backend Development, DevOps, AI Engineering, Data Science & Engineering
Aktualisiert am 09.12.2024
Profil
Mitarbeiter eines Dienstleisters
Remote-Arbeit
Verfügbar ab: 01.01.2025
Verfügbar zu: 20%
davon vor Ort: 100%
Skill-Profil eines fest angestellten Mitarbeiters des Dienstleisters
Deutsch
Muttersprache
Englisch
Verhandlungssicher

Einsatzorte

Einsatzorte

Fulda (+100km)
Deutschland
möglich

Projekte

Projekte

4 Monate
2024-09 - heute

LLM-guided Reference Letter Creation

AI Engineer, Business Analyst, Project Manager Generative AI LLM Prompt Engineering ...
AI Engineer, Business Analyst, Project Manager

  • Transforming traditional HR processes by using cutting-edge AI technology

Google Gemini Atlassian JIRA Atlassian Confluence MongoDB Scrum
Generative AI LLM Prompt Engineering Python FastAPI Streamlit NextJS REST LangChain GitHub Copilot Anthropic Claude
Deutsche Bank AG
Frankfurt am Main
6 Monate
2024-07 - heute

AI Writing Assistant

AI Engineer, Backend Developer, DevOps Python TypeScript JavaScript
AI Engineer, Backend Developer, DevOps
  • Conceptualization
  • Architecture consultation
  • Fullstack Development
  • Prompt Engineering
  • Azure DevOps
Azure OpenAI GPT React Next.js Terraform FastAPI
Python TypeScript JavaScript
Tensora GmbH
Eichenzell
10 Monate
2023-09 - 2024-06

Cloud Transformation & Document Management

Cloud Solution Architect AWS Google Cloud Java ...
Cloud Solution Architect

  • 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 

Doxis4 Spring Boot Docker Kubernetes GitHub Actions REST
AWS Google Cloud Java Terraform
Otto Group IT
Hamburg
1 Jahr
2022-10 - 2023-09

Microservices & Document Management

Fullstack-Developer, DevOps, Cloud Solution-Architect AWS Java Terraform
Fullstack-Developer, DevOps, Cloud Solution-Architect

  • Design and detailed planning of the AWS-based native cloud architecture
  • Technical coordination of development phases
  • Test management
  • Implementation of Spring Boot REST API
  • Implementation of AWS Lambda functions based on Java
  • Implementation and Maintenance of and AWS cloud infrastructure via Infrastructure as Code and Terraform  

Spring Boot Docker GitHub Actions REST
AWS Java Terraform
Otto Group IT
Hamburg
7 Monate
2022-04 - 2022-10

Business Process Automation

Cloud Solution Architect & Fullstack Developer Java BPMN DMN ...
Cloud Solution Architect & Fullstack Developer

  • 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 

Spring Boot Camunda Vue.js GraphQL GitHub Actions Docker Google Cloud AWS GitHub Kubernetes Helm NextJS
Java BPMN DMN TypeScript Terraform HTML CSS JavaScript SQL Scrum Event-driven Architecture CI/CD 3-Tier Architektur
Otto Payments
Hamburg
9 Monate
2021-08 - 2022-04

Cloud-based web crawling and analytics

Fullstack Developer Google Cloud Python PowerShell ...
Fullstack Developer

  • Planned and implemented automatic crawling of an e-commerce web shop
  • Planned and implemented further analytics of the crawling results based on GCP Cloud Functions 

ScreamingFrog SEO Spider Atlassian JIRA Atlassian Confluence Pandas NumPy Huggingface Google Colab
Google Cloud Python PowerShell Java Windows Linux
bonprix Handelsgesellschaft mbH
Hamburg
1 Jahr 1 Monat
2020-08 - 2021-08

Diverse Data Science Projects

Data Scientist Python Linux Windows ...
Data Scientist

  • Marketing-Mix-Modeling
  • Recommendation Engine
  • A/B Testing 

Pandas Numpy Matplotlib Statsmodels Atlassian Confluence Atlassian JIRA GitLab Huggingface Jupyter Notebooks Google Colab PostgreSQL
Python Linux Windows Scrum Google Cloud R
bonprix Handelsgesellschaft mbH
Hamburg
8 Monate
2020-01 - 2020-08

Android Shopping App

App Developer Kotlin Java HTML ...
App Developer

  • Further Development of the companies Android native shopping app

  • Planning, Design and Implementation of new features  

Android Jetpack Compose Atlassian JIRA Atlassian Confluence GitLab Oracle MongoDB
Kotlin Java HTML CSS Linux Windows Kanban Monolithic Architecture 3-Tier Architektur Kafka REST GraphQL
bonprix Handelsgesellschaft mbH
Hamburg
5 Monate
2019-08 - 2019-12

Internal Reporting System

Fullstack Developer Java HTML CSS ...
Fullstack Developer

  • Further Development of the companies internal reporting system
  • Planning, Design and Implementation of new features  

Spring Boot Vaadin Teradata Elastic Search Logstash Kibana Splunk Atlassian JIRA Atlassian Confluence Thymeleaf Oracle Redis
Java HTML CSS JavaScript SQL Windows Linux Scrum Microservices Flink 3-Tier Architektur Container Kafka REST GraphQL Teradata
bonprix Handelsgesellschaft mbH
Hamburg
1 Jahr 1 Monat
2018-08 - 2019-08

Internal Purchasing System

Fullstack Developer Java Kotlin HTML ...
Fullstack Developer

  • Further Development of the companies internal purchasing system
  • Planning, Design and Implementation of new features  

Spring Boot Vaadin Oracle Atlassian JIRA Atlassian Confluence Thymeleaf GitLab Docker Splunk
Java Kotlin HTML CSS Windows Linux Scrum Monolithic Architecture 3-Tier Architektur REST GraphQL Kafka Oracle
bonprix Handelsgesellschaft mbH
Hamburg
2 Jahre
2016-08 - 2018-07

Diverse Web-Development Projects

Fullstack Developer HTML CSS JavaScript ...
Fullstack Developer

  • Planning, design and implementation of diverse corporate websites utilizing Joomla CMS system
  • Development of responsive templates for Joomla CMS system  

Joomla WordPress GitHub GitLab Visual Studio Code Eclipse PostgreSQL MariaDB MySQL
HTML CSS JavaScript PHP SQL Windows Linux 3-Tier Architektur REST
Toolstage Software Engineering
Fulda

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Jahre 2 Monate
2022-10 - 2024-11

M.Sc. Applied Data Science (? 1,7)

Master of Science, NORDAKADEMIE Graduate School, Hamburg
Master of Science
NORDAKADEMIE Graduate School, Hamburg

  • Master?s thesis on ?Rethinking software engineering from a generative AI perspective - Developing a strategic framework for harnessing underutilized potentials?
  • Master?s project on "Impact of generative AI on the consulting industry"
  • Study modules include Data Science Project Management, Sustainable Business Practices, Statistical Methods, Data Mining, Data Management, AI, Machine Learning, Multivariate Data Analysis, Text Analytics, AI Ethics and Reporting & Visualization.
  • Individual specialization in generative AI

3 Jahre 9 Monate
2018-08 - 2022-04

B.Sc. Applied Informatics (? 1,8)

Bachelor of Science, NORDAKADEMIE Hochschule der Wirtschaft, Elmshorn
Bachelor of Science
NORDAKADEMIE Hochschule der Wirtschaft, Elmshorn

  • Bachelor?s thesis on ?Conception of a green IT strategy for the procurement, use and operation of IT end devices in the workplace?
  • Study modules included Advanced Mathematics, Practical and Theoretical Computer Science, Databases, Software Development, Software Quality, Software Architecture, Usability, IT Security, Web Development and IT Project Management
  • Individual specialization in Software Engineering, Software Architecture and Green IT

2 Jahre 1 Monat
2016-08 - 2018-08

Specialised baccalaureate in information technology (? 1,2)

Specialised Baccalaureate, Konrad Zuse Schule, Hünfeld
Specialised Baccalaureate
Konrad Zuse Schule, Hünfeld

  • Subjects included Computer Technology, Programming, Networks, Databases, Software Development, and Practical Projects.
  • Included a one-year internship (three days per week) for practical experience and career orientation.

Position

Position

Niklas Witzel is a forward-thinking IT consultant with with a strong background as Cloud Solution Architect, Full-stack Developer and AI Engineer. His professional journey is highlighted by significant contributions to cloud transformation and web development projects as well as the advancement of generative AI technologies. Niklas' academic background in data science and his hands-on experience in agile environments underline his commitment to leveraging cutting-edge technology to foster innovation and efficiency.

Kompetenzen

Kompetenzen

Schwerpunkte

Java Development
Experte
Cloud Development
Experte
Cloud Solution Architecture
Experte
DevOps
Experte
Web Development
Experte
Generative AI
Experte
Project Management
Fortgeschritten
Process Automation
Basics
App Development
Basics

Programmiersprachen

Java
Experte
Python
Experte
Kotlin
Fortgeschritten
JavaScript
Experte
TypeScript
Fortgeschritten
SQL
Fortgeschritten
HTML
Fortgeschritten
CSS
Fortgeschritten
Dart
Basics
R
Basics

Branchen

Branchen

Finance, Banking, Consultancy, E-Commerce, Journalism

Einsatzorte

Einsatzorte

Fulda (+100km)
Deutschland
möglich

Projekte

Projekte

4 Monate
2024-09 - heute

LLM-guided Reference Letter Creation

AI Engineer, Business Analyst, Project Manager Generative AI LLM Prompt Engineering ...
AI Engineer, Business Analyst, Project Manager

  • Transforming traditional HR processes by using cutting-edge AI technology

Google Gemini Atlassian JIRA Atlassian Confluence MongoDB Scrum
Generative AI LLM Prompt Engineering Python FastAPI Streamlit NextJS REST LangChain GitHub Copilot Anthropic Claude
Deutsche Bank AG
Frankfurt am Main
6 Monate
2024-07 - heute

AI Writing Assistant

AI Engineer, Backend Developer, DevOps Python TypeScript JavaScript
AI Engineer, Backend Developer, DevOps
  • Conceptualization
  • Architecture consultation
  • Fullstack Development
  • Prompt Engineering
  • Azure DevOps
Azure OpenAI GPT React Next.js Terraform FastAPI
Python TypeScript JavaScript
Tensora GmbH
Eichenzell
10 Monate
2023-09 - 2024-06

Cloud Transformation & Document Management

Cloud Solution Architect AWS Google Cloud Java ...
Cloud Solution Architect

  • 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 

Doxis4 Spring Boot Docker Kubernetes GitHub Actions REST
AWS Google Cloud Java Terraform
Otto Group IT
Hamburg
1 Jahr
2022-10 - 2023-09

Microservices & Document Management

Fullstack-Developer, DevOps, Cloud Solution-Architect AWS Java Terraform
Fullstack-Developer, DevOps, Cloud Solution-Architect

  • Design and detailed planning of the AWS-based native cloud architecture
  • Technical coordination of development phases
  • Test management
  • Implementation of Spring Boot REST API
  • Implementation of AWS Lambda functions based on Java
  • Implementation and Maintenance of and AWS cloud infrastructure via Infrastructure as Code and Terraform  

Spring Boot Docker GitHub Actions REST
AWS Java Terraform
Otto Group IT
Hamburg
7 Monate
2022-04 - 2022-10

Business Process Automation

Cloud Solution Architect & Fullstack Developer Java BPMN DMN ...
Cloud Solution Architect & Fullstack Developer

  • 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 

Spring Boot Camunda Vue.js GraphQL GitHub Actions Docker Google Cloud AWS GitHub Kubernetes Helm NextJS
Java BPMN DMN TypeScript Terraform HTML CSS JavaScript SQL Scrum Event-driven Architecture CI/CD 3-Tier Architektur
Otto Payments
Hamburg
9 Monate
2021-08 - 2022-04

Cloud-based web crawling and analytics

Fullstack Developer Google Cloud Python PowerShell ...
Fullstack Developer

  • Planned and implemented automatic crawling of an e-commerce web shop
  • Planned and implemented further analytics of the crawling results based on GCP Cloud Functions 

ScreamingFrog SEO Spider Atlassian JIRA Atlassian Confluence Pandas NumPy Huggingface Google Colab
Google Cloud Python PowerShell Java Windows Linux
bonprix Handelsgesellschaft mbH
Hamburg
1 Jahr 1 Monat
2020-08 - 2021-08

Diverse Data Science Projects

Data Scientist Python Linux Windows ...
Data Scientist

  • Marketing-Mix-Modeling
  • Recommendation Engine
  • A/B Testing 

Pandas Numpy Matplotlib Statsmodels Atlassian Confluence Atlassian JIRA GitLab Huggingface Jupyter Notebooks Google Colab PostgreSQL
Python Linux Windows Scrum Google Cloud R
bonprix Handelsgesellschaft mbH
Hamburg
8 Monate
2020-01 - 2020-08

Android Shopping App

App Developer Kotlin Java HTML ...
App Developer

  • Further Development of the companies Android native shopping app

  • Planning, Design and Implementation of new features  

Android Jetpack Compose Atlassian JIRA Atlassian Confluence GitLab Oracle MongoDB
Kotlin Java HTML CSS Linux Windows Kanban Monolithic Architecture 3-Tier Architektur Kafka REST GraphQL
bonprix Handelsgesellschaft mbH
Hamburg
5 Monate
2019-08 - 2019-12

Internal Reporting System

Fullstack Developer Java HTML CSS ...
Fullstack Developer

  • Further Development of the companies internal reporting system
  • Planning, Design and Implementation of new features  

Spring Boot Vaadin Teradata Elastic Search Logstash Kibana Splunk Atlassian JIRA Atlassian Confluence Thymeleaf Oracle Redis
Java HTML CSS JavaScript SQL Windows Linux Scrum Microservices Flink 3-Tier Architektur Container Kafka REST GraphQL Teradata
bonprix Handelsgesellschaft mbH
Hamburg
1 Jahr 1 Monat
2018-08 - 2019-08

Internal Purchasing System

Fullstack Developer Java Kotlin HTML ...
Fullstack Developer

  • Further Development of the companies internal purchasing system
  • Planning, Design and Implementation of new features  

Spring Boot Vaadin Oracle Atlassian JIRA Atlassian Confluence Thymeleaf GitLab Docker Splunk
Java Kotlin HTML CSS Windows Linux Scrum Monolithic Architecture 3-Tier Architektur REST GraphQL Kafka Oracle
bonprix Handelsgesellschaft mbH
Hamburg
2 Jahre
2016-08 - 2018-07

Diverse Web-Development Projects

Fullstack Developer HTML CSS JavaScript ...
Fullstack Developer

  • Planning, design and implementation of diverse corporate websites utilizing Joomla CMS system
  • Development of responsive templates for Joomla CMS system  

Joomla WordPress GitHub GitLab Visual Studio Code Eclipse PostgreSQL MariaDB MySQL
HTML CSS JavaScript PHP SQL Windows Linux 3-Tier Architektur REST
Toolstage Software Engineering
Fulda

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Jahre 2 Monate
2022-10 - 2024-11

M.Sc. Applied Data Science (? 1,7)

Master of Science, NORDAKADEMIE Graduate School, Hamburg
Master of Science
NORDAKADEMIE Graduate School, Hamburg

  • Master?s thesis on ?Rethinking software engineering from a generative AI perspective - Developing a strategic framework for harnessing underutilized potentials?
  • Master?s project on "Impact of generative AI on the consulting industry"
  • Study modules include Data Science Project Management, Sustainable Business Practices, Statistical Methods, Data Mining, Data Management, AI, Machine Learning, Multivariate Data Analysis, Text Analytics, AI Ethics and Reporting & Visualization.
  • Individual specialization in generative AI

3 Jahre 9 Monate
2018-08 - 2022-04

B.Sc. Applied Informatics (? 1,8)

Bachelor of Science, NORDAKADEMIE Hochschule der Wirtschaft, Elmshorn
Bachelor of Science
NORDAKADEMIE Hochschule der Wirtschaft, Elmshorn

  • Bachelor?s thesis on ?Conception of a green IT strategy for the procurement, use and operation of IT end devices in the workplace?
  • Study modules included Advanced Mathematics, Practical and Theoretical Computer Science, Databases, Software Development, Software Quality, Software Architecture, Usability, IT Security, Web Development and IT Project Management
  • Individual specialization in Software Engineering, Software Architecture and Green IT

2 Jahre 1 Monat
2016-08 - 2018-08

Specialised baccalaureate in information technology (? 1,2)

Specialised Baccalaureate, Konrad Zuse Schule, Hünfeld
Specialised Baccalaureate
Konrad Zuse Schule, Hünfeld

  • Subjects included Computer Technology, Programming, Networks, Databases, Software Development, and Practical Projects.
  • Included a one-year internship (three days per week) for practical experience and career orientation.

Position

Position

Niklas Witzel is a forward-thinking IT consultant with with a strong background as Cloud Solution Architect, Full-stack Developer and AI Engineer. His professional journey is highlighted by significant contributions to cloud transformation and web development projects as well as the advancement of generative AI technologies. Niklas' academic background in data science and his hands-on experience in agile environments underline his commitment to leveraging cutting-edge technology to foster innovation and efficiency.

Kompetenzen

Kompetenzen

Schwerpunkte

Java Development
Experte
Cloud Development
Experte
Cloud Solution Architecture
Experte
DevOps
Experte
Web Development
Experte
Generative AI
Experte
Project Management
Fortgeschritten
Process Automation
Basics
App Development
Basics

Programmiersprachen

Java
Experte
Python
Experte
Kotlin
Fortgeschritten
JavaScript
Experte
TypeScript
Fortgeschritten
SQL
Fortgeschritten
HTML
Fortgeschritten
CSS
Fortgeschritten
Dart
Basics
R
Basics

Branchen

Branchen

Finance, Banking, Consultancy, E-Commerce, Journalism

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.