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| # CV -- Alex Chen | |
| **Location:** Austin, TX | |
| **Email:** alex@example.com | |
| **LinkedIn:** linkedin.com/in/alexchen | |
| **Portfolio:** alexchen.dev | |
| **GitHub:** github.com/alexchen | |
| ## Professional Summary | |
| Full-stack AI engineer with 6 years building production ML systems. Led the ML platform at a Series B fintech (2020-2024), scaling from 2 models to 15+ in production. Built real-time fraud detection (99.7% precision, $2M/year saved), recommendation engine (18% uplift), and an internal MLOps platform serving 4 engineering teams. | |
| ## Work Experience | |
| ### TechFin Corp -- Austin, TX | |
| **Senior ML Engineer / ML Platform Lead** | |
| 2020-2024 | |
| - Led ML platform team (3 engineers), built internal MLOps tooling: model registry, A/B testing framework, feature store | |
| - Designed real-time fraud detection pipeline: Kafka β feature computation β model inference β decision engine. 99.7% precision at 50ms p99 | |
| - Built recommendation engine for lending products: collaborative filtering + LLM reranking. 18% conversion uplift | |
| - Reduced model deployment time from 2 weeks to 4 hours with CI/CD pipeline (GitHub Actions + SageMaker) | |
| - Established model monitoring: drift detection, performance dashboards (Grafana), automated retraining triggers | |
| ### DataStartup Inc -- Remote | |
| **ML Engineer** | |
| 2018-2020 | |
| - Built NLP pipeline for document classification (BERT fine-tuning, 94% accuracy on legal docs) | |
| - Implemented search ranking with learning-to-rank models | |
| - Set up experiment tracking with MLflow and model versioning | |
| ## Projects | |
| - **FraudShield** (Open Source) -- Real-time fraud detection framework. Kafka Streams + feature store + model serving. 500+ GitHub stars | |
| - **LLM Eval Toolkit** (Open Source) -- Evaluation framework for LLM applications. Supports custom metrics, regression testing, CI integration | |
| ## Education | |
| - MS Computer Science, UT Austin (2018) | |
| - BS Computer Science, UC Berkeley (2016) | |
| ## Skills | |
| - **ML/AI:** PyTorch, TensorFlow, scikit-learn, Hugging Face, LangChain | |
| - **MLOps:** SageMaker, MLflow, Kubeflow, Airflow, Feature Store | |
| - **Infra:** Kubernetes, Kafka, Redis, PostgreSQL, AWS | |
| - **Languages:** Python, Go, TypeScript, SQL | |