Hi! I’m Christian Otero, an iOS Developer and Machine Learning Enthusiast with a background in Biomedical Engineering. I specialize in developing high-quality, scalable iOS applications using Swift, UIKit, and SwiftUI, while also expanding my expertise in AI and Machine Learning. I thrive in Agile environments, love solving complex problems, and enjoy collaborating on impactful tech solutions.
- Developed and delivered mobile banking apps for Banco Security Chile and Banco de la Nación de Perú.
- Specialized in Swift, UIKit, SwiftUI, Combine, and Core Data.
- Integrated complex APIs and optimized app performance and responsiveness.
- Collaborated on adopting SwiftUI and automating development processes.
- Developed ML APIs and deployed models using TensorFlow, FastAPI, and Streamlit.
- Projects include image classification (ResNet-50), vehicle recognition, and sentiment analysis.
- Gained hands-on experience with MLOps, Databricks, and Scikit-learn.
- Fine-tuned Large Language Models (LLMs) using RLHF.
- Validated AI-generated code solutions and optimized SQL queries.
- Enhanced generative AI systems for industry-specific use cases.
- Worked on banking apps for Banco Banesco and Banco Security.
- Gained full-stack experience with Java Spring Boot, Docker, Kubernetes, and MVVM architecture.
- Contributed to backend optimization and containerization processes.
- Supported project coordination using Scrum.
- Assisted in client communication, product promotion, and project documentation.
- iOS Development: Swift, SwiftUI, UIKit, Core Data, Combine, CocoaPods, MVC, MVVM.
- Machine Learning: TensorFlow, Scikit-learn, Pandas, Keras, FastAPI, Streamlit, MLOps.
- Backend & Cloud: Java Spring Boot, Docker, Kubernetes, AWS, GCP.
- AI & NLP: LLMs, RLHF, Transformers, Prompt Engineering.
- Databases & Tools: MySQL, PostgreSQL, Databricks, GitFlow, Azure DevOps.
- Other: Android Development, Kotlin, GraphQL, REST APIs.
- Certified Associate in Project Management (CAPM)® – PMI
- Data Science with Python – IBM, Coursera
- Machine Learning with Big Data – UC San Diego, Coursera
- Google Cloud Platform Big Data & ML Fundamentals – Google
- SQL for Data Science – Universidad del Rosario
- Machine Learning Developer Fellowship – Anyone AI (Ongoing)
- Specialization in Machine Learning & Advanced Data Science – Universidad Nacional de Colombia
- BSc in Biomedical Engineering – Universidad de los Andes
- Administrative Assistant Technician – SENA Colombia
- Mobile Banking App (Backbase): iOS hybrid development combining UIKit and SwiftUI for LATAM banks.
- Image Classification API (AnyoneAI): ML deployment with ResNet-50 achieving 93% accuracy.
- Sentiment Analysis Model: Analyzing movie reviews with 89% ROC/AUC.
- Vehicle Recognition: Classifying vehicle make & model from e-commerce images with 83% accuracy.
- LLM Fine-Tuning (Scale AI): RLHF and HITL optimization of generative AI systems.
- 📧 criscotero@gmail.com
- 📱 +57 3135179277