
Joseph M
AI engineer, Web Developer, Data Scientist
Kompetenzen

Meine Dienstleistungen


Arbeitserfahrung
Data Scientist and Machine Learning
Freelancer.com • Freiberufler
Aug 2025 - Present • 9 mos
AI/ML data projects involving curation, annotation, and evaluation of multilingual LLM and computer vision datasets. Skilled in data wrangling, preprocessing, and feature extraction using Python (Pandas, NumPy) and SQL. Develop automated validation scripts and apply ML evaluation metrics (accuracy, precision, recall, F1, ROC-AUC) to benchmark model performance. Support prompt engineering and RLHF workflows to refine AI reasoning and alignment. Collaborate globally to enhance model reliability, data quality, and workflow scalability.
Data Analyst
DataStax • Vollzeit
Jan 2024 - Aug 2025 • 1 yr 7 mos
Developed sectoral dashboards in Power BI, Tableau, and Excel to assess creditworthiness and market behavior of smallholder farmers. Conducted market and competitor research across agri-fintech and financial services, preparing presentations for partnership discussions with SACCOs, lenders, and agri-tech associations. Coordinated with stakeholders including financial institutions and agri-business associations, building long-term business relationships and facilitating knowledge-sharing workshops. Produced policy-relevant insights on financial inclusion, informing external reports and presentations for lenders and investors.
data analyst
Freelancing Career • Freiberufler
May 2020 - Dec 2023 • 3 yrs 7 mos
Delivered business intelligence dashboards for logistics and e-commerce firms using Amazon QuickSight, Redshift, and Excel. Produced financial and operational reports to support client decision-making on pricing and export logistics strategies. Created market entry analyses and scenario reports for SMEs exploring regional trade opportunities. Automated reporting workflows in Python, SQL, and Excel macros, reducing turnaround time for international clients. Developed custom Excel templates and semi-automated tools to track KPIs, perform sensitivity analysis, and generate professional management reports with data visualizations.