Marcel Meyer - Cloud-Architect, Senior Solution Architect, Senior Software-Engineer

Q: Where is Marcel based?

Marcel is based in Remlingen, Germany and prefers 100% remote projects.

Q: What languages does Marcel speak?

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

Q: How many years of experience does Marcel have?

Marcel has at least 13 years of experience. During this time, Marcel has worked in at least 13 different roles and for 15 different companies . The average length of individual experience is 1 year and 10 months . Note that Marcel may not have shared all experience and actually has more experience.

Q: What is Marcel's latest experience?

Marcel's most recent position is Cloud-Architect, Senior Solution Architect, Senior Software-Engineer at Assignment of KPIs for the service landscape to record and analyse costs per user .

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

In recent years, Marcel has worked for Assignment of KPIs for the service landscape to record and analyse costs per user , Agentic RAG Application , Agentic AI Platform for Tax Consultants (DATEV Integration) , Semantic Knowledge Graph & AI Community Platform (Cosnova) , and MarTech Analysis & Strategic Intelligence Platform (BNP Paribas) .

Q: Which industries is Marcel most experienced in?

Marcel is most experienced in industries like Information Technology (IT) , Professional Services , and Banking and Finance . Marcel also has some experience in Automotive , Education , and Government and Public Administration .

Q: Which business areas is Marcel most experienced in?

Marcel is most experienced in business areas like Information Technology (IT) , Quality Assurance (QA) , and Product Development . Marcel also has some experience in Project Management , Business Intelligence , and Research and Development (R&D) .

Q: Which industries has Marcel worked in recently?

Marcel has recently worked in industries like Information Technology (IT) , Professional Services , and Banking and Finance .

Q: Which business areas has Marcel worked in recently?

Marcel has recently worked in business areas like Information Technology (IT) , Business Intelligence , and Product Development .

Recommended expert

Remlingen, Germany

Experience

Nov 2024 - Feb 2025

4 months

Cloud-Architect, Senior Solution Architect, Senior Software-Engineer

Assignment of KPIs for the service landscape to record and analyse costs per user

Technologies: GoLang, JavaScript, TypeScript, AWS, Terraform, Git
Conception of AWS infrastructure and existing services
Analysis of IAM accounts and roles
Setup of Cost Explorer and CloudWatch monitoring
Setup of DynamoDB and S3 persistence of collected information
Reporting and cost calculation
Conception of Terraform deployment

Oct 2024 - Dec 2024

3 months

Architect and Engineer

Agentic RAG Application

Technologies: GCP, JavaScript/TypeScript
Conception and implementation of a GCP service stack combined with a RAG for HubSpot

Oct 2024 - Present

1 year 5 months

AI/ML Architect & Lead Developer

Agentic AI Platform for Tax Consultants (DATEV Integration)

Technologies: n8n, Ollama (Local LLMs), DATEV APIs, Python, AI parsing, compliance frameworks
Design and implementation of an agentic workflow platform with n8n for tax automation
Integration of local Ollama models with DATEV APIs for BWA processing
AI-powered document parsing and automated tax burden calculation
Automated generation of client correspondence using LLMs
Ensuring compliance with German tax law, EU AI Act, and data privacy regulations

Sep 2024 - Present

1 year 6 months

Knowledge Graph Architect & AI Engineer

Semantic Knowledge Graph & AI Community Platform (Cosnova)

Technologies: Fluree, Make workflows, knowledge graphs, multi-agent systems, Instagram API
Building a semantic knowledge base with Fluree for product information management
Implementation of Make workflows connected to the knowledge graph
AI-powered Instagram community Q&A system using the knowledge graph
Development of specialized agents for product information and availability
Automated ingredient analysis workflow for skin irritation research

Aug 2024 - Dec 2024

5 months

Data Science Lead & Algorithm Developer

MarTech Analysis & Strategic Intelligence Platform (BNP Paribas)

Technologies: n8n, Fluree, Python, custom algorithms, knowledge graphs, market analysis AI
Development of proprietary algorithms for efficient MarTech analysis
Implementation of n8n workflows for automated market intelligence gathering
Building a knowledge graph in Fluree for market insights and competitor analysis
AI-powered strategic recommendations for market positioning
Data-driven support for strategic business alignment decisions

Jan 2024 - Present

2 years 2 months

AI Researcher & Innovation Lead

Advanced AI Research - Agentic Coding & Knowledge Graph Ontologies

Technologies: LLMs, agentic AI, RDF/OWL, SHACL, knowledge graphs, semantic web technologies
Research on agentic coding methodologies using LLMs
Development of advanced knowledge graph ontologies
Implementation of semantic data products and reasoning systems
Exploration of multi-agent AI architectures
Publishing findings and best practices in the AI/ML community

Dec 2022 - Present

3 years 3 months

Chair and Lead

Technical Lead API Management

Technologies: all API-related technologies (management, design, development, security, documentation, testing)
Establishment and expansion of seat information management
Building expertise, structure, and reputation in API management to establish a revenue stream

Oct 2022 - Dec 2023

1 year 3 months

Software-Architect, Consultant

Mobility platform

Technologies: Java, Spring, Kafka, Neo4j, Keycloak, data science, GraphQL, REST
Conception and implementation of the architecture
Consulting and development support

Aug 2022 - Nov 2024

2 years 4 months

Software-Engineer

Tax declaration application

Technologies: Spring Boot, Spring Cloud, Thymeleaf, OpenAPI, Maven, JaCoCo, Failsafe, Surefire, SonarQube, JQAssistant, PostgreSQL, H2, Liquibase, Flyway, Hazelcast, CommerceTools, Adobe Analytics, GitLab, Artifactory, OpenShift/Kubernetes, AWS, Jira, Confluence, OpenTelemetry, Prometheus, Kibana, Splunk, Micrometer, Grafana, ELK, Angular.js, Cypress, Webpack, TypeScript, NPM, Node.js, Firebase, Keycloak, Freemarker, JavaScript, Swift
Full-stack development of a tax declaration application
Integration of microservices and front-end components
Performance monitoring and logging setup
Automated testing and quality assurance

Aug 2022 - Dec 2022

5 months

Software-Engineer

Maintenance and Support of customized Applications

Technologies: Spring Boot
Maintenance and further development of existing applications
Quality assurance and software architecture support

Aug 2022 - Nov 2022

4 months

Software-Engineer/Architect

FinApi Development

Technologies: Jakarta EE, Kubernetes, OpenShift, Docker, Minikube
Development and enhancement of existing fintech OpenBanking modules
Backend development
Development of secure channels for payment processing

Jun 2021 - Present

4 years 9 months

AI/ML Engineer, Data Science Consultant, Solution Architect, Lead API Management

adorsys GmbH & Co. KG

Design and implementation of semantic knowledge graphs
Development of agentic AI workflows
Model training on AWS
Enterprise AI architecture design
AI-powered process automation
Consulting in AI and data science

Jan 2020 - Jun 2021

1 year 6 months

Lead Architect and Engineer

Daimler AG

Design of enterprise solutions
Engineering of software architectures
Consulting on technical best practices

Jan 2015 - Jan 2020

5 years 1 month

Freelance Software Engineer and Architect | Consultant

ACD-Synergie

Design and engineering of software systems
Project management
Quality assurance
DevOps practices

Jan 2013 - Jan 2015

2 years 1 month

Software-Engineer

Prof. Thome Gruppe

Development of a CRM system for public and scientific institutions

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (9.5 years), Professional Services (4.5 years), Banking and Finance (3.5 years), Automotive (2.5 years), Education (2 years), and Government and Administration (2 years).

Information Technology

Professional Services

Banking and Finance

Automotive

Education

Government and Administration

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (13 years), Quality Assurance (7.5 years), Product Development (6.5 years), Project Management (5 years), Business Intelligence (4.5 years), and Research and Development (2 years).

Information Technology

Quality Assurance

Product Development

Project Management

Business Intelligence

Research and Development

Skills

Ai/data Science & Machine Learning

Ai/ml Core Technologies
Python For Data Science/ml
Llm Technologies (Openai, Claude, Langchain)
Rag (Retrieval-augmented Generation)
Agentic Ai Workflows & Automation
Semantic Knowledge Graphs & Ontologies
Neo4j & Graph Data Science
Fluree & Graphdb (Triple Stores)
Aws Bedrock & Sagemaker
Vector Databases (Pinecone, Weaviate, Qdrant)
Prompt Engineering & Fine-tuning
Ollama & Local Llm Deployment
Data Science Libraries
Pandas, Numpy, Scikit-learn
Tensorflow/pytorch
Jupyter Notebooks & Data Visualization
Mlops & Model Deployment

Frontend

Typescript
React & React Native
Angular
Vue.js
Next.js
Redux
Rxjs
Webpack/vite
Jest/cypress
Storybook

Api-management

Lead-api Engineer
Api Security & Authentication
Api Design & Modeling
Api Gateway Implementation & Architecture
Api Gateway Policies & Custom Plugins
Standards & Guidelines
Api Lifecycle Management
Integration Into Ecosystems
Quality-assurance Api Development
Kong
Gravitee
Axway
Apigee
Zero Trust & Api Security Best Practices
Itil & Devsecops Best Practices

Architecture

Solution Architecture
Rest Design
Api Management
Security
Arc42
Uml
Enterprise Solutions
Structurizr
Jqassistant
Openapi/swagger
Microservices
Serverless
Mobile Solutions
Smart Systems
Iot
Multi-tenancy & Multi-environment Strategies
Service Mesh Architecture
Hybrid And Multi-cloud Architectures
Event-driven Apis & Async Messaging
Api-first Approach & Domain-driven Design
Enterprise Api Governance

Backend

Java Skills
Spring-framework
C# & .Net
Python
Quarkus
Graalvm
Vert.x
Asp.net/entity-framework
Django
Hazelcast

Devops

Aws
Gcp
Azure
Heroku
Kubernetes
Gitlab
Github
Docker
Terraform
Splunk, Kibana, Grafana, Otel
Consul/vault
Helm
Prometheus, Grafana, Loki, Opentelemetry

Databases

Sql
Postgres
Neo4j
Mongodb
Elasticsearch
Pincone

Other Technologies

Keycloak
Api-mangement-tools
Kafka & Rabbitmq
Langchain
Golang
Figma
Webflow
Openapi
Splunk/kibana
Elk-stack
Prometheus/grafana
Datadog
Kuma
Web Application Firewall (Waf)

Soft Skills

Scrum
Documentation
Design Thinking
Rapid Prototyping
Architecture Design

Languages

German

Advanced

English

Advanced

Education

Oct 2012 - Sep 2014

Technische Hochschule Erlangen

M. Sc. Computer Science · Computer Science · Erlangen, Germany

Oct 2009 - Sep 2012

Julius Maximilians Universität Würzburg

B. Sc. Computer Science · Computer Science · Würzburg, Germany

Certifications & licenses

Machine Learning On Aws (Bedrock) Certified

Model Training On Aws Certified

Gravitee Complete Certification Suite (Incl. Agent Mesh)

Isaqb Architect

Advanced Angular Certified

Java Certified

NodeJS Certified

Operations-Research Certified

Business Informatics Specialist

Profile

Created

April 2025

Last Update

December 2025

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Frequently asked questions

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

Where is Marcel based?

Marcel is based in Remlingen, Germany and prefers 100% remote projects.

What languages does Marcel speak?

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

How many years of experience does Marcel have?

Marcel has at least 13 years of experience. During this time, Marcel has worked in at least 13 different roles and for 15 different companies. The average length of individual experience is 1 year and 10 months. Note that Marcel may not have shared all experience and actually has more experience.

What roles would Marcel be best suited for?

Based on recent experience, Marcel would be well-suited for roles such as: Cloud-Architect, Senior Solution Architect, Senior Software-Engineer, Architect and Engineer, AI/ML Architect & Lead Developer.

What is Marcel's latest experience?

Marcel's most recent position is Cloud-Architect, Senior Solution Architect, Senior Software-Engineer at Assignment of KPIs for the service landscape to record and analyse costs per user.

What companies has Marcel worked for in recent years?

In recent years, Marcel has worked for Assignment of KPIs for the service landscape to record and analyse costs per user, Agentic RAG Application, Agentic AI Platform for Tax Consultants (DATEV Integration), Semantic Knowledge Graph & AI Community Platform (Cosnova), and MarTech Analysis & Strategic Intelligence Platform (BNP Paribas).

Which industries is Marcel most experienced in?

Marcel is most experienced in industries like Information Technology (IT), Professional Services, and Banking and Finance. Marcel also has some experience in Automotive, Education, and Government and Public Administration.

Which business areas is Marcel most experienced in?

Marcel is most experienced in business areas like Information Technology (IT), Quality Assurance (QA), and Product Development. Marcel also has some experience in Project Management, Business Intelligence, and Research and Development (R&D).

Which industries has Marcel worked in recently?

Marcel has recently worked in industries like Information Technology (IT), Professional Services, and Banking and Finance.

Which business areas has Marcel worked in recently?

Marcel has recently worked in business areas like Information Technology (IT), Business Intelligence, and Product Development.

What is Marcel's education?

Marcel holds a Master in Computer Science from Technische Hochschule Erlangen and a Bachelor in Computer Science from Julius Maximilians Universität Würzburg.

Does Marcel have any certificates?

Marcel has 9 certificates. Among them, these include: Machine Learning On Aws (Bedrock) Certified, Model Training On Aws Certified, and Gravitee Complete Certification Suite (Incl. Agent Mesh).

What is the availability of Marcel?

Marcel is immediately available full-time for suitable projects.

What is the rate of Marcel?

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