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Zuzanna Wójcik
21 days ago
PyTorch Lightning makes training so much cleaner. No more boilerplate code! Automatic mixed precision training cut GPU memory usage in half. Built-in logging to TensorBoard and Weights & Biases. Distributed training across 4 GPUs with one flag change. Highly recommend for any serious ML project! #pytorch #deeplearning #ml #training
Zuzanna Wójcik
2 months ago
Fine-tuned a BERT model for sentiment analysis. 94% accuracy on our customer feedback data! The key was proper data preprocessing and balanced training sets. Transfer learning is magical - what would have taken months from scratch took 2 days. Now processing thousands of reviews automatically! #nlp #bert #machinelearning #sentiment
Zuzanna Wójcik
22 days ago
Trained a recommendation system using collaborative filtering. User engagement up 35%! Combined with content-based filtering for cold start problem. A/B tested for 2 weeks before full rollout. The 'Recommended for You' section now drives 25% of all purchases. Data-driven personalization works! #machinelearning #recommender #ai #personalization
Zuzanna Wójcik
3 months ago
Deployed ML model with FastAPI and Docker. Inference time under 100ms! Used ONNX Runtime for optimized inference. Implemented batching for throughput optimization. Horizontal scaling with Kubernetes handles load spikes. From Jupyter notebook to production in 2 weeks. MLOps maturity achieved! #mlops #deployment #ai #fastapi
Zuzanna Wójcik
2 months ago
GPT-4 API integration complete. Our chatbot now handles 80% of support queries automatically! Implemented conversation memory with vector embeddings. The prompt engineering took longer than the code. Fallback to human agents works seamlessly. Support team can focus on complex issues now! #gpt4 #chatbot #ai #customersupport
Zuzanna Wójcik
3 months ago
GPT-4 API integration complete. Our chatbot now handles 80% of support queries automatically! Implemented conversation memory with vector embeddings. The prompt engineering took longer than the code. Fallback to human agents works seamlessly. Support team can focus on complex issues now! #gpt4 #chatbot #ai #customersupport
Zuzanna Wójcik
25 days ago
MLflow for experiment tracking. Finally, reproducible machine learning experiments! Every hyperparameter, metric, and artifact is logged. Model registry handles versioning and staging. Comparing runs visually made hyperparameter tuning efficient. No more 'which model was that?' moments! #mlflow #mlops #datascience #experimenttracking
Zuzanna Wójcik
24 days ago
MLflow for experiment tracking. Finally, reproducible machine learning experiments! Every hyperparameter, metric, and artifact is logged. Model registry handles versioning and staging. Comparing runs visually made hyperparameter tuning efficient. No more 'which model was that?' moments! #mlflow #mlops #datascience #experimenttracking
Zuzanna Wójcik
3 months ago
Time series forecasting with Prophet. Sales predictions are now 40% more accurate! Handles seasonality and holidays automatically. Added external regressors for marketing campaigns. Uncertainty intervals help with inventory planning. Business stakeholders finally trust the forecasts! #timeseries #forecasting #datascience #prophet
Zuzanna Wójcik
3 months ago
Deployed ML model with FastAPI and Docker. Inference time under 100ms! Used ONNX Runtime for optimized inference. Implemented batching for throughput optimization. Horizontal scaling with Kubernetes handles load spikes. From Jupyter notebook to production in 2 weeks. MLOps maturity achieved! #mlops #deployment #ai #fastapi
Zuzanna Wójcik
3 months ago
Anomaly detection with autoencoders. Fraud detection accuracy improved by 25%! The reconstruction error approach works beautifully for our use case. Combined with rule-based system for explainability. Real-time scoring at 10,000 transactions per second. Saved millions in prevented fraud! #deeplearning #anomalydetection #ml #fraud
Zuzanna Wójcik
1 month ago
Image classification with transfer learning. ResNet50 backbone + custom head = 98% accuracy! Data augmentation was crucial for our small dataset. Gradual unfreezing of layers improved results significantly. The model now identifies plant diseases from photos. Helping farmers with AI! #deeplearning #transferlearning #ai #agriculture
Zuzanna Wójcik
20 days ago
Hugging Face Transformers library is incredible. Pre-trained models saved us months of work! Fine-tuned a named entity recognition model in an afternoon. The Model Hub has everything you need. Also using their Datasets library for easy data loading. The ML community is amazing! #huggingface #transformers #nlp #opensource
Zuzanna Wójcik
2 months ago
Hugging Face Transformers library is incredible. Pre-trained models saved us months of work! Fine-tuned a named entity recognition model in an afternoon. The Model Hub has everything you need. Also using their Datasets library for easy data loading. The ML community is amazing! #huggingface #transformers #nlp #opensource
Zuzanna Wójcik
2 months ago
Reinforcement learning for game AI. The agent learned to beat the game in 2 hours! Used PPO algorithm with curriculum learning. Reward shaping was the hardest part. The emergent behaviors are fascinating - strategies I never thought of! Now applying RL to inventory optimization. #reinforcementlearning #gameai #ml #ppo
Zuzanna Wójcik
3 months ago
Built a semantic search engine with embeddings. Search relevance improved dramatically! Using sentence-transformers for encoding. FAISS for efficient similarity search at scale. Handles typos and synonyms naturally. Users find what they need 60% faster than keyword search! #semanticsearch #embeddings #ai #searchengine
Zuzanna Wójcik
2 months ago
MLflow for experiment tracking. Finally, reproducible machine learning experiments! Every hyperparameter, metric, and artifact is logged. Model registry handles versioning and staging. Comparing runs visually made hyperparameter tuning efficient. No more 'which model was that?' moments! #mlflow #mlops #datascience #experimenttracking
Zuzanna Wójcik
24 days ago
Speech-to-text with Whisper API. Transcription quality is better than human in many cases! Processing meeting recordings automatically. Speaker diarization identifies who said what. Summaries generated with GPT-4. Our team saves 5 hours per week on meeting notes. AI assistant for the win! #whisper #speechtotext #ai #productivity
Zuzanna Wójcik
18 days ago
Deployed ML model with FastAPI and Docker. Inference time under 100ms! Used ONNX Runtime for optimized inference. Implemented batching for throughput optimization. Horizontal scaling with Kubernetes handles load spikes. From Jupyter notebook to production in 2 weeks. MLOps maturity achieved! #mlops #deployment #ai #fastapi
Zuzanna Wójcik
3 months ago
Computer vision project: Real-time object detection with YOLOv8. Processing 60 FPS on edge devices! Optimized with TensorRT for NVIDIA Jetson. The model identifies 15 different product types on our assembly line. Quality control automation reduced defects by 35%. Manufacturing AI is transformative! #computervision #yolo #ai #manufacturing
Zuzanna Wójcik
1 month ago
Speech-to-text with Whisper API. Transcription quality is better than human in many cases! Processing meeting recordings automatically. Speaker diarization identifies who said what. Summaries generated with GPT-4. Our team saves 5 hours per week on meeting notes. AI assistant for the win! #whisper #speechtotext #ai #productivity
Zuzanna Wójcik
2 months ago
PyTorch Lightning makes training so much cleaner. No more boilerplate code! Automatic mixed precision training cut GPU memory usage in half. Built-in logging to TensorBoard and Weights & Biases. Distributed training across 4 GPUs with one flag change. Highly recommend for any serious ML project! #pytorch #deeplearning #ml #training
Zuzanna Wójcik
4 months ago
OpenAI function calling makes structured outputs easy. No more prompt engineering for JSON! Defined schema for our API responses. The model reliably returns valid, typed data. Error handling is much cleaner. Building AI agents became so much more practical. Game changer for LLM applications! #openai #gpt #ai #functioncalling
Zuzanna Wójcik
3 months ago
AI ethics matter! Implemented bias detection in our hiring algorithm. Found significant gender bias in the initial model. Retrained with balanced data and fairness constraints. Regular audits are now part of our process. Responsible AI isn't optional - it's essential for trust! #aiethics #fairness #machinelearning #responsibleai
Zuzanna Wójcik
2 months ago
Speech-to-text with Whisper API. Transcription quality is better than human in many cases! Processing meeting recordings automatically. Speaker diarization identifies who said what. Summaries generated with GPT-4. Our team saves 5 hours per week on meeting notes. AI assistant for the win! #whisper #speechtotext #ai #productivity
Zuzanna Wójcik
30 days ago
LangChain + vector databases = powerful RAG applications. Document Q&A is now incredibly accurate! Using Pinecone for vector storage with OpenAI embeddings. Chunking strategy was crucial - 500 tokens with 50 token overlap works best. Users can query 10,000 documents in natural language! #langchain #rag #llm #vectordb