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Cristina
🇷🇴Romania (UTC+02:00)
Created AtUpstaffer since September, 2026
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Cristina — Senior AI/ML & MLOps Engineer

Expertise in AI and Machine Learning (8.0 yr.), Cloud Infrastructure Engineer (8.0 yr.).

 Last verified on September, 2026
C1 (Advanced)

Core Skills

Python
Python
8 yr.
Kubeflow
Kubeflow
4 yr.
Apache Beam
4 yr.
AWS SageMaker (Amazon SageMaker)
6 yr.
Vertex AI
5 yr.

Bio Summary

  • Senior AI/ML & MLOps Engineer with 8+ years operationalizing ML systems across GCP, AWS, Azure, specializing in Python, Kubeflow, VertexAI, and SageMaker
  • Architected multi-agent AI platforms reducing workflow turnaround by 45% and deployment cycles to under 2 hours via CI/CD automation
  • Expert in scalable data pipelines using Apache Beam and Dataflow, achieving up to 47% runtime reduction and 40% faster model delivery
  • Proven track record optimizing distributed training and inference, increasing accelerator utilization by 31% and cutting cloud costs by 28%
  • Computer Science BSc with strong background in software design, containerization (Docker, Kubernetes), and production-grade ML infrastructure

Technical Skills

Programming Languages Python
AI & Machine Learning AWS SageMaker (Amazon SageMaker), Kubeflow, Machine Learning, RAG, Scikit-learn, Vertex AI
Python Libraries and Tools Scikit-learn
Data Analysis and Visualization Technologies Apache Beam, ETL
Databases & Management Systems / ORM Data Lake
Cloud Platforms, Services & Computing AWS, Azure, GCP
Amazon Web Services AWS SageMaker (Amazon SageMaker)
Azure Cloud Services Azure VM
Google Cloud Platform Dataflow
Deployment, CI/CD & Administration CD DevOps pipelines, CI/CD
Virtualization, Containers and Orchestration Docker, Kubernetes
Version Control Github Actions
Other Technical Skills Agentic AI, Data Processing, Generative AI, Predictive modeling

Work Experience

Senior AI/ML & Agentic Infrastructure Engineer - Alltegrio (Multi-agent Enterprise AI Platform)

Duration: 05/2024-08/2026

Summary:

  • Architected a multi-agent enterprise AI platform on Kubernetes using Python and VertexAI, enabling autonomous task orchestration and improving workflow efficiency
  • The platform supports generative AI and machine learning workloads across multiple cloud providers with high availability

Responsibilities:

  • Designed and implemented containerized retrieval and inference services with semantic search and scalable APIs.
  • Established reusable CI/CD pipelines for model validation, image builds, security checks, and staged releases.
  • Operationalized AI workloads across GCP, AWS, and Azure with resilient multi-cloud deployment patterns.
  • Built post-deployment model monitoring for quality, latency, throughput, and infrastructure health.
  • Optimized distributed training and inference workflows in PyTorch and TensorFlow.
  • Owned architecture and production troubleshooting for Kubeflow pipelines integrating data preparation, model training, evaluation, approval, and deployment.
  • Collaborated with cross-functional teams on design reviews, documentation, and production standards.

Technologies: Python, Kubernetes, VertexAI, Docker, GitHub Actions, Kubeflow, PyTorch, TensorFlow, GCP, AWS, Azure

Senior MLOps & Data Platform Engineer - Mesh-Al (Cloud-Native Data Mesh and ML Infrastructure Modernization)

Duration: 11/2021 - 04/2024

Summary: Led modernization of a cloud-native data mesh spanning GCP, AWS, and Azure, providing governed data products and ML infrastructure to accelerate model delivery and improve operational efficiency.

Responsibilities:

  • Built distributed processing pipelines with Apache Beam and Dataflow for feature preparation and batch inference.
  • Implemented standardized Kubeflow, VertexAI, and SageMaker workflows for training, evaluation, registration, and production promotion.
  • Created automated CI/CD pipelines with GitHub Actions and Docker for model deployment.
  • Developed model monitoring workflows for prediction quality, drift, latency, and throughput.
  • Optimized autoscaling and resource allocation for containerized inference services on Kubernetes.
  • Collaborated with data owners, data scientists, software engineers, and governance stakeholders to define platform standards and resolve production issues.

Technologies: Kubeflow, SageMaker, Apache Beam, Dataflow, VertexAI, GitHub Actions, Docker, Kubernetes, GCP, AWS, Azure

Machine Learning Engineer Cloud & MLOps - ML6 (Production Machine Learning Services and Pipelines)

Duration: 07/2019 – 10/2021

Summary: Developed production machine learning services and end-to-end training and deployment pipelines on GCP and VertexAI, improving prediction latency and availability for cloud-based ML applications.

Responsibilities:

  • Developed ML services in Python using TensorFlow, PyTorch, and scikit-learn.
  • Built training and deployment pipelines on GCP and VertexAI.
  • Containerized inference applications with Docker and deployed on Kubernetes.
  • Implemented CI/CD validation for code, data schemas, model artifacts, and deployment configurations.
  • Created scalable feature-processing workflows with Apache Beam and Dataflow.
  • Partnered with data scientists and software engineers to troubleshoot models and pipelines and establish monitoring practices.

Technologies: Python, TensorFlow, PyTorch, scikit-learn, GCP, VertexAI, Docker, Kubernetes, Apache Beam, Dataflow

Data Scientist & Predictive Analytics Engineer - Tremend (Predictive Analytics and Real-Time Fraud Detection Pipelines)

Duration: 10/2014 - 07/2017

Summary: Built predictive analytics pipelines and a real-time fraud detection workflow processing millions of daily transactions, delivering low-latency predictions and improving model evaluation and throughput.

Responsibilities:

  • Developed predictive analytics pipelines in Python and scikit-learn.
  • Implemented real-time fraud detection workflow with low-latency predictions.
  • Built data preparation, training, and evaluation components with TensorFlow.
  • Optimized feature extraction and scoring services for production workloads.
  • Collaborated with software engineers, QA, and business stakeholders to define model acceptance criteria and document production support procedures.

Technologies: Python, scikit-learn, TensorFlow

Education

  • Bachelor of Science (BSc), Computer Science
    University Politehnica of Bucharest - Bucharest, Romania

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