Freelancer profile translated to English.
Back to original languageAbout Rene
I am a Python developer with a focus on web scraping, backend development, and the implementation of automated trading systems.
I develop performant, maintainable, and reliable solutions – from data extraction and API integrations to the implementation of complete backend logic.
My tech stack includes Python (Scrapy, FastAPI), databases (PostgreSQL, SQLite), as well as experience with broker APIs and real-time data.
Competencies:
Web scraping & data extraction
Development of REST APIs & Backends
Trading bots & automation
Database design & data processing
Git, Docker, CI/CD (Basics)
German
Native or bilingual
English
Fluent
Can work on-site
Cassel (up to 20km)
Experience
- FreelancePython DeveloperAugust 2021 - April 2025 (3 years and 8 months)• Development and maintenance of Python applications for small and medium-sized businesses.• Creation of data pipelines for integration and processing of data from various sources.• Development of APIs and backend systems with Flask. Conducting data analyses and creating dashboards for visualizing KPIs and• business data.• Optimization and scaling of Python applications and data processes for cloud environments (mainly AWS).
- FreelanceCloud DeveloperAugust 2021 - April 2025 (3 years and 8 months)• Support in the implementation of CI/CD pipelines and automation of deployment processes.• Management of AWS services such as EC2, S3, Lambda, RDS, DynamoDB, and CloudFormation.• Optimization of cloud infrastructures for cost efficiency and scalability.• Introduction of Docker containers and Kubernetes orchestration to improve application deployment and management.Data Analyst• Analysis and visualization of company data with Python (Pandas, Matplotlib, Superset).• Creation and maintenance of PostgreSQL databases for storing and processing large amounts of data.• Development of automated scripts for data extraction and cleaning.• Creation of reports and dashboards for tracking business metrics and performance indicators.
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Education
- Bachelor of ScienceUniversity of Kassel2013Bachelor of Science
Certifications
- AWS Cloud Quest: Solutions Architectcredly2023
- AWS Cloud Quest: Machine Learningcredly2023