Gissella Gonzalez

Machine Learning & MLOps Engineer

ggonza18@gmu.edu • GitHub • LinkedIn • U.S. Citizen

Experience

Machine Learning & MLOps Engineer

Gichelli AI Solutions (Contractor) · January 2025 - Present

  • Design, develop, and deploy scalable machine learning models and automated MLOps pipelines to accelerate production readiness.
  • Build and manage Kubernetes clusters (AKS) for containerized ML workloads, ensuring scalability, high availability, and efficient resource utilization.
  • Implement CI/CD pipelines using Azure DevOps and GitHub Actions for seamless model integration, testing, and deployment.
  • Collaborate with data engineering and analytics teams to integrate data preprocessing, feature engineering, and model deployment using Databricks and Azure Data Lake.
  • Monitor production model performance with automated alerting and retraining workflows to maintain accuracy and reliability.
  • Utilize Python, PySpark, and SQL to develop robust ML pipelines supporting real-time and batch inference.
  • Drive best practices, documentation, and governance for reproducible and compliant MLOps workflows.

Machine Learning & MLOps Engineer

Sunthetics · Dec 2023 - Dec 2024

  • Maintained a Bayesian optimization and active learning framework for chemical process optimization, reducing experimental efforts by up to 5x while improving outcome quality.
  • Supported diverse variable types (continuous, categorical, timeseries, chemical) to enable multiobjective optimization across up to 15 objectives with custom constraints.
  • Built scalable, modular, fully typed, tested, and serializable Python packages, ensuring robustness and easy integration with APIs and databases.
  • Applied advanced hyperparameter tuning and surrogate modeling (including CatBoost, XGBoost) for high-dimensional chemical process optimization; integrated Retrieval-Augmented Generation (RAG) systems using LangChain and VectorDB to enhance documentation querying and team productivity.

Data Engineer

CaliberMind · Sep 2022 - Jul 2023

  • Automated ETL pipelines using Python, PySpark, and SQL to process large-scale marketing and sales data.
  • Built ML pipelines with MLflow for model training, tracking, and deployment.
  • Optimized BigQuery schemas and query performance, reducing data processing times by over 40%.
  • Designed scalable data pipeline patterns using GCP services including Dataflow, Cloud Functions, and BigQuery.
  • Monitored and maintained production data workflows using Airflow and custom alerting systems.

Cloud Data Engineer

Consumer Financial Protection Bureau · Sept 2021 - Sept 2022

  • Migrated on-prem data to AWS using Databricks ETL pipelines.
  • Implemented IAC with CloudFormation and monitored with CloudWatch.
  • Deployed ML models with AWS SageMaker for analytics workloads.

DevOps Engineer

Ablevets LLC · Dec 2019 - Sept 2021

  • Automated CI/CD with GitOps and AWS.
  • Built scalable Kubernetes clusters on AWS.
  • Deployed DL tool on SageMaker to forecast Jenkins remediation time.

Mercado Aguacate Hass

IT Specialist · 2013 – 2018

  • Built Docker-based deployment infrastructure and company website on AWS.
  • Integrated secure payment solutions to enhance UX.

Education

Certifications

Skills

ML & Data Science

PyTorch, TensorFlow, Scikit-Learn, Pandas, NumPy, Spark, Databricks, Jupyter, MLflow, RAG, LLMs, OpenAI

DevOps & Cloud

Kubernetes, Helm, Docker, Jenkins, GitHub Actions, Terraform, AWS, GCP, Azure, SageMaker, Vertex AI

Security & Languages

Python, Bash, SQL, R, Java, PySpark, Node.js, Tenable, Twistlock, MongoDB, PostgreSQL, Redis

Skills

ML & Data Science

PyTorch TensorFlow Scikit-Learn Pandas NumPy Spark Databricks Jupyter Plotly Matplotlib GAN VAE ETL Bayesian Optimization NLP Computer Vision RAG LLMs Deep Learning Transfer Learning GPT Diffusion Models Reinforcement Learning Generative AI Models OpenAI Hugging Face MLflow Kubeflow Weights & Biases SageMaker Vertex AI

DevOps & Cloud

Kubernetes Helm Docker Rancher Jenkins Terraform GitOps GitHub Actions DVC GoCD AWS GCP Azure Airflow

Security & Monitoring

Tenable Twistlock Fortify Malware Analysis Key Management Disaster Recovery SageMaker Model Monitor Prometheus Grafana AppDynamics New Relic DataDog

Databases & Tools

DynamoDB RDS SQLite PostgreSQL SQL Oracle MongoDB MariaDB VectorDB BigTable Stable Diffusion MidJourney DALL-E Tacotron WaveNet Whisper Transformers Diffusers

Programming Languages

Python R Bash PySpark Java Node.js C

Languages

English and Spanish: Fluent