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Mathias Wilhelm

Development of an AI-driven social media automation for topic identification, text generation, and publishing

Mathias Wilhelm
Berlin, Germany

Experience

Aug 2025 - Sep 2025
2 months

Development of an AI-driven social media automation for topic identification, text generation, and publishing

  • optimization and automation of marketing activities on social media channels
  • gathering requirements and the processes to be optimized
  • building an automation to identify the company's USPs for different marketing target groups
  • creating an algorithm to search for and identify relevant news
  • implementing an algorithm to generate and send social media posts
  • designing and implementing the entire automation in Python
  • developing a web application in AngularJS
  • boosting the company's visibility through increased and more targeted social media posts
  • technologies used: requirements management, stakeholder management, architecture decisions, NLP, LLMs, transformers, Python, FastAPI
Dec 2024 - Mar 2025
4 months

DevOps

  • redesign and implementation of the entire infrastructure and CI/CD pipeline
  • technical infrastructure documentation and process descriptions in line with ISO/IEC 27001
  • stabilizing and securing the infrastructure and creating a backup solution
  • eliminating platform downtime
  • speeding up deployment time by a factor of 4
  • accelerating time from ticket to production by a factor of 2 through dynamic review environments and JIRA automation
  • technologies used: Infrastructure as Code, Terraform, Hetzner, cloud, Ansible, GitLab CI/CD, Linux, Bash, Docker, Docker Swarm, microservices, MariaDB, MinIO, Git
Mar 2024 - Present
2 years

Interim CTO for decentralized cloud solution

  • full responsibility for development and product strategy
  • introducing structures and processes
  • planning a new platform concept and supporting its implementation with Spring Boot, Java, and AngularJS
  • managing interfaces
  • sharpening the product strategy
  • sustainably improving interdisciplinary team collaboration, especially significantly boosting the performance of the Indian team
  • implementing a QA process to improve product quality
  • establishing new strategic partnerships and integrating them technically into the platform
  • technologies used: project management, requirements management, stakeholder management, team development, architecture decisions, Agile, ClickUp, Monday, Git, REST
Dec 2023 - Jul 2025
1 year 8 months

Consultant and Data Scientist for insurance providers

  • gathering requirements and creating use and business cases
  • developing and implementing various AI services and automations to digitalize claims processing: document splitting, automated evaluation of documents, document type recognition, claim type recognition, business line detection, BelegGPT for querying documents
  • optimizing the internal claim review process by about 50%
  • successfully supporting product placement with insurers
  • making a decisive contribution to the innovative optimization of insurers' claims review process
  • technologies used: requirements management, stakeholder management, data analysis, prototype development, machine learning, LLMs, NLP, image recognition, anomaly detection, text classification, GPT APIs, spaCy, NLTK, PyTorch, scikit-learn, OpenCV, Python, FastAPI, REST, Docker, microservices, MongoDB, MySQL, Git, CI/CD
Oct 2023 - Apr 2025
1 year 7 months

Consultant and Data Scientist for B2B trading platform

  • project management
  • developing and implementing AI-based business and use cases for a B2B trading platform for used hardware, e.g. price indication for used hardware, AI-based normalization of product specifications, intelligent specification search for over 8 million products
  • improving platform UX by introducing AI-assisted user inputs
  • creating new business cases for existing AI services
  • solution-oriented project management with 100% customer-focused results
  • technologies used: stakeholder management, data analysis, machine learning, NLP, LLMs, spaCy, NLTK, PyTorch, scikit-learn, OpenSearch, Python, FastAPI, REST, Docker, microservices, MariaDB, Git, CI/CD, JIRA, Confluence
Jan 2023 - Jul 2023
7 months

Development and Data Science

  • Feasibility project for a CV parser and a skill-matching algorithm
  • Project led to digitization and optimization of the recruiting process due to user acceptance and positive test results
  • Technologies used: stakeholder management, requirements management, LLM, NLP, machine learning, Tensorflow, scikit-learn, spacy, Python, JavaScript, HTML, FastAPI, REST, Docker, SQLite, Git
Apr 2022 - Jul 2022
4 months

Development and Data Science

  • Developed a name generator for projects, products, and websites
  • Built a database of all registered domain names worldwide (over 100 GB, 300 million records) to validate the availability of generated names
  • Helped reduce external costs for naming workshops and agencies
  • Technologies used: stakeholder management, data analysis, machine learning, Markov processes, NLP, scikit-learn, Python, FastAPI, GraphQL, REST, PostgreSQL, Docker, Git, CI/CD
Jan 2022 - Present
4 years 2 months

Freelance consultant for AI and digitalization

Apr 2021 - Apr 2023
2 years 1 month

Consulting and project management for sales solution

  • Project management and product management
  • New development of the AI-based sales solution
  • Created innovative AI-based analyses for sales data (cross-selling and upselling potential, industry and customer analyses, lead potential analyses, efficiency and effectiveness analyses)
  • Restructured the developer team and onboarded new developers
  • Increased the F1 score of the existing AI from 0.35 to 0.8
  • Expanded the solution with additional metrics and indicators
  • Accelerated the initial customer data analysis
  • Created new business cases for existing AI services
  • Solution- and budget-oriented project management
  • Technologies used: stakeholder management, data analysis, use and business case development, product management, architecture decisions, machine learning, time series analysis, anomaly detection, Tensorflow, scikit-learn, Python, MariaDB, Airflow, MLflow, Git, CI/CD
Jan 2019 - Dec 2020
2 years
Berlin, Germany

Head of the Competence Center for Self-Adaptive Systems

DAI-Labor Berlin

Jan 2010 - Dec 2019
10 years
Berlin, Germany

Data Scientist and Project Lead

DAI-Labor Berlin

Jan 2006 - Dec 2010
5 years
Berlin, Germany

Student Assistant in Machine Learning

TU Berlin

Jan 2003 - Dec 2006
4 years

System Administrator

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 (19.5 years), Professional Services (5 years), Education (5 years), and Insurance (1.5 years).

Information Technology
Professional Services
Education
Insurance

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 (21 years), Business Intelligence (15 years), Project Management (14.5 years), Research and Development (7 years), Product Development (4 years), and Strategy (4 years).

Information Technology
Business Intelligence
Project Management
Research and Development
Product Development
Strategy

Summary

Mathias Wilhelm helps companies harness the business potential of AI – through solid consulting, targeted implementation, and many years of experience in tech and business projects. With over 20 years of experience as a Data Scientist, developer, and project manager, he brings not only deep technical know-how but also a thorough understanding of business contexts and project strategy. Whether corporate, startup, or research – he combines entrepreneurial thinking with solid AI expertise.

Skills

  • Ai Consulting & Strategy: Development Of Use Cases, Feasibility Analyses, Ai Roadmaps, Requirements Analyses

  • Data Science & Ml Engineering: Time Series Analysis, Anomaly Detection, Classification, Nlp, Ner, Document Analysis, Image Processing, Forecasting, Statistics, Data And Result Visualization

  • Prototyping & Product Development: From Idea To Mvp – Including Architecture, Development, Testing, Deployment, And Infrastructure

  • Devops/mlops & Infrastructure: Ci/cd, Mlops, Docker Swarm, Terraform, Ansible, Cloud (Aws, Hetzner, Etc.), Automation, Security

  • Technical Project Management: Leading Development Teams, Requirements Management, Quality Assurance

  • Industries: Sales, Insurance, Cloud, B2b Platforms, Recruiting, Finance, Automotive, Iot

  • Languages: Python, Sql, Bash, Javascript, Html/css

  • Ml/ds: Genai, Llms, Transformers, Image Recognition, Llm Prompt Engineering, Scikit-learn, Tensorflow, Pytorch, Opencv, Pandas, Numpy, Mlflow

  • Databases: Mysql, Mariadb, Sqlite, Mongodb, Postgresql, Minio, S3

  • Frameworks: Spacy, Nltk, Pytorch, Tensorflow, Scikit-learn, Opencv, Fastapi, N8n, Opensearch

  • Devops: Docker, Docker Swarm, Gitlab Ci/cd, Terraform, Ansible, Linux, Git, Jira

  • Cloud/hosting: Aws, Hetzner, Ovh, Cudo Computing, Vultr, Self-managed Docker Swarm

  • Apis & Services: Api Design, Rest, Fastapi, Mqtt, Json, Xml

Languages

German
Native
English
Advanced

Education

Oct 2016 - Jun 2022

TU Berlin

PhD (Dr.-Ing.) in ring-based multi-finger gesture control · Ring-based multi-finger gesture control · Berlin, Germany

Oct 2001 - Jun 2010

TU Berlin

Dipl.-Ing. in Computer Engineering · Computer engineering · Berlin, Germany

Profile

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Frequently asked questions

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

Where is Mathias based?

Mathias is based in Berlin, Germany.

What languages does Mathias speak?

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

How many years of experience does Mathias have?

Mathias has at least 23 years of experience. During this time, Mathias has worked in at least 12 different roles and for 2 different companies. The average length of individual experience is 2 years and 9 months. Note that Mathias may not have shared all experience and actually has more experience.

What roles would Mathias be best suited for?

Based on recent experience, Mathias would be well-suited for roles such as: Development of an AI-driven social media automation for topic identification, text generation, and publishing, DevOps, Interim CTO for decentralized cloud solution.

What is Mathias's latest experience?

Mathias's most recent position is Development of an AI-driven social media automation for topic identification, text generation, and publishing.

Which industries is Mathias most experienced in?

Mathias is most experienced in industries like Information Technology (IT), Education, and Professional Services. Mathias also has some experience in Insurance, Advertising, Media, and Entertainment and Publishing.

Which business areas is Mathias most experienced in?

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

Which industries has Mathias worked in recently?

Mathias has recently worked in industries like Information Technology (IT), Professional Services, and Insurance.

Which business areas has Mathias worked in recently?

Mathias has recently worked in business areas like Business Intelligence, Project Management, and Product Development.

What is Mathias's education?

Mathias holds a Doctorate in Ring-based multi-finger gesture control from TU Berlin and a Master in Computer engineering from TU Berlin.

What is the availability of Mathias?

Mathias is immediately available full-time for suitable projects.

What is the rate of Mathias?

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

How to hire Mathias?

To hire Mathias, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Market avg: 800-960 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.