About
I work at the intersection of software systems, applied AI, and research, building scalable production systems and intelligent recommender engines with a focus on personalization, information quality, misinformation, and trustworthy political news.
⚙️ Software Systems & Production Engineering
- Built and deployed a production SaaS platform end-to-end as a startup co-founder.
- Designed scalable system architecture, implemented 33 REST APIs, and structured relational databases.
- Delivered and maintained multiple production releases serving real users.
- Developed backend systems using Python, FastAPI, ASP.NET Core, and modern web stacks.
- Deployed applications using Docker and AWS with CI/CD, monitoring, and production-focused workflows.
🤖 AI/ML, Recommender Systems & Personalization
- Designed personalized recommendation systems focused on relevance, trust, and user experience.
- Worked on ML systems addressing misinformation and political news content.
- Built large-scale data pipelines for recommendation and ranking tasks across millions of data points.
- Engineered features capturing content quality, user behavior, and contextual signals.
- Developed NLP and deep learning pipelines for content understanding and personalization.
🧪 Research & Applied AI Engineering
- Conducted applied research in ML, NLP, explainable AI, and recommender systems.
- Focused on information quality, misinformation, and trustworthy recommendation in algorithmic political newsfeeds.
- Translated research ideas into production-oriented systems and scalable pipelines.
- Built explainable AI solutions combining user modeling, text processing, and generation.
- Emphasized reproducibility, structured experimentation, and reliable data workflows.
Skills & Expertise
🤖 AI & Machine Learning
- Recommender Systems & Ranking
- LLM Integration (LangChain, RAG, Fine-tuning)
- Explainable AI (XAI)
- Deep Learning (PyTorch, TensorFlow)
- Model Evaluation & Experiment Design
⚙️ Backend Engineering
- FastAPI & REST API Design
- ASP.NET Core & C#
- System Architecture & Modular Design
- SQL Databases & Schema Design
- Data Pipelines & ETL Workflows
☁️ MLOps & Infrastructure
- Dockerized Model Deployment
- AWS (SageMaker, CloudWatch)
- CI/CD Pipelines
- Model Observability & Logging
- Git & Version Control
📊 Product & Research
- Experimental Design & Statistical Analysis
- Feature Engineering at Scale
- Stakeholder Communication
- Cross-functional Collaboration
- Scientific Writing & Publications
Projects
Selected research and production projects in AI, recommender systems, and scalable web engineering.
Featured Projects
📰 Quality-Aware News Source Recommender
Designed and deployed a quality-aware recommender system that integrates 41 engineered information-quality signals derived from 5M+ tweets to improve news source reliability.
Impact: Increased average recommended source quality by +3 points while maintaining baseline precision.
Stack: Python · Pandas · Scikit-learn · Docker · AWS · PyTest
📸 PhotoCans – Image Management Platform (Startup)
Co-founded and delivered a commercial full-stack web platform serving 100+ users with licensing, product management, and operational dashboards.
Impact: Implemented 33 REST endpoints and 12+ business workflows; deployed and maintained across multiple production releases.
Stack: C# · ASP.NET Core · JavaScript · SQL Server · IIS
📊 News Source Quality Predictor (Production ML)
Built and deployed a regression model estimating news source quality using network and diversity features, exposed via API and interactive UI.
Impact: Serverless SageMaker deployment with logging and CloudWatch monitoring for production inference.
Stack: Python · FastAPI · AWS SageMaker · CloudWatch · Docker
Research & AI Systems
🔍 Exogenous Cues to Information Quality
Engineered contextual quality variables to enhance algorithmic newsfeeds and improve information reliability in recommender systems.
Stack: Python · Scikit-learn · Statistical Modeling
💡 Deep Learning Explainable Recommender
Built a large-scale NLP + recommendation framework over 151K reviews combining multi-task learning and neural text generation to produce personalized recommendations and explanations.
Impact: Achieved MSE 0.992 in rating prediction and ~0.97 semantic similarity in explanation generation.
Stack: Python · PyTorch · TensorFlow · RNN · CNN · Transformers · GPU Training
📡 Automated Reddit Scraper
Developed a scalable Reddit data collection pipeline extracting threads, comments, and interaction metadata for political discourse research.
Stack: R · Python · API Integration · Data Validation
Software & Product Engineering
🤖 Workflow-Aware AI Assistant
Built a state-aware AI assistant integrated into a Next.js / Blazor application, orchestrating OpenAI APIs and local LLMs (Mistral) using LangChain for structured task execution.
Stack: FastAPI · LangChain · OpenAI · Mistral · Next.js
🏢 Hall Reservation Automation
Designed and deployed a university-wide scheduling system reducing manual booking overhead and improving resource planning.
Stack: C# · ASP.NET · SQL Server · IIS
Tech Stack
Languages
Web & Frameworks
Blazor
AI / Data
ML.NET
Cloud / DevOps / Tools
MS SQL Server
IIS
Publications
A Framework for Accurate Recommendations and Explanation Generation Using Multi-Task Learning
M. Mansoorizadeh, M. Shahidi, A. Nazari · 2023
Improving News Reliability in Algorithmic Newsfeeds
M. Shahidi, L. Oswald, S. Herzog, S. Lewandowsky · 2026
Exogenous Cues to Information Quality
M. Shahidi, L. Oswald, S. Herzog, S. Lewandowsky · 2026
Possible Futures: Societal Consequences of Algorithmic Design and Social Media Use
S. Banisch, Mobin Shahidi, S. Lewandowsky · 2026
Testimonials
Selected excerpts from professional reference letters and collaborations.
“He was one of the best students in my class… His outstanding scientific knowledge and presentation skills impressed me.”
“His critical thinking and programming abilities make him a skillful programmer who can quickly implement theory into practice.”
“He consistently impressed me with his ability to understand complex concepts… and performed at a very high level.”
“He built a Reddit data pipeline from scratch and developed a novel recommender system… demonstrating exceptional technical skill.”
GitHub
LinkedIn
Email
Stack Overflow