Joaquin Gonzalez

Optimizing Automated Interventions Against Hate Speech in Social Networks

Built the analytics platform and toxicity classification module for Normsy, a system that generates automated interventions on social networks to reduce hate speech propagation. Designed batch and real-time data pipelines, a repeatable LLM evaluation framework with A/B testing support, and fine-tuned Gemini models on Vertex AI for toxicity classification on X.com posts. Work done in collaboration with Data Voices and Civic Health Project.

Python · Apache Airflow · Kafka · Debezium · PostgreSQL · Grafana · Vertex AI · Gemini · LLM fine-tuning

ASR for Children with Hearing Loss

Fine-tuned Whisper and assembled a novel dataset for automatic speech recognition of children with cochlear implants — an underrepresented population in ASR training data. Built a diarization + transcription + fine-tuning pipeline to support clinical diagnosis at Di Tella's speech pathology lab.

Whisper · Python · transfer learning · diarization · data augmentation

Technical Reviewer — Introduction to Infrastructure as Code

Technical review of Introduction to Infrastructure as Code: A Brief Guide to the Future of DevOps. Corrections and proposals on IaC concepts, Terraform, DevOps practices, diagrams, and code examples.

Real-time QoS and Call Admission Control in SDN Networks

Engineering degree thesis on designing and implementing real-time Quality of Service and Call Admission Control mechanisms in Software-Defined Networks using the Ryu framework. Connected to the sdn-qos open-source repo and the 2018 IEEE paper.

Python · Ryu · OpenFlow · QoS · SDN

Using SDN for Call Admission Control and VoIP Applications

Research on applying Software-Defined Networking to implement call admission control and QoS policies for VoIP traffic.

Hot Addition of Member Nodes to WSNs using PORME Routing Protocol

Study on dynamically adding nodes to Wireless Sensor Networks using the PORME routing protocol without restarting the Cluster Head.