About Aikaterina
English
Fluent
Dutch
Conversational
Greek
Native or bilingual
Experience
- AllianderMLOps Cloud EngineerENERGY AND UTILITIESApril 2025 - Today (1 year and 2 months)Alliander, Arnhem, GE, Netherlands• ● Platform Engineering & Architecture ○ Contributed to design and implementation core components of a scalable ML platform using AWS-native services and Infrastructure as Code (CDK). ○ Built reusable infrastructure constructs and deployment pipelines to standardize model lifecycle management. ○ Contributed to platform architecture decisions focused on security, compliance, scalability, and cost efficiency.• ● Model Training & Deployment ○ Designed and implemented batch inference pipelines using AWS Step Functions, SageMaker, and Lambda for large-scale ML predictions. ○ Developed real-time inference solutions with SageMaker endpoints and event-driven AWS architectures• ● Data & Backend Engineering ○ Designed and implemented DynamoDB schemas for platform services, ensuring scalability and performance. ○ Built backend services in TypeScript and Go to support platform orchestration and automation. ○ Developed a CLI tool in Go to improve developer experience and streamline ML workflows.• ● Observability & Operations ○ Implemented operational monitoring and alerting using CloudWatch. ○ IImproved platform reliability through logging, metrics, and failure handling strategies. ○ Contributed to production-readiness practices including versioning, rollback strategies, and automated deployments.
- Human Total Care B.V.,Machine Learning EngineerFebruary 2022 - April 2025 (3 years and 2 months)Utrecht, Netherlands• ● Productionizing ML Models: ○ Designing the model serving architecture: Creating a scalable and efficient architecture for deploying ML models. Tech used: FastAPI, AzureDevops○ Dockerization: Packaging ML models into Docker containers, ensuring they can run consistently across different environments. Tech used: Docker○ Deployment to Kubernetes: Orchestrating the deployment and scaling of ML models using Kubernetes, a container orchestration platform. Tech used: Kubernetes, AzureDevOps, AKS○ Post-production tasks: Handling tasks related to model maintenance, functional and operational monitoring, and troubleshooting to ensure the models remain effective and reliable. Tech used: Kibana, Evidently, FastAPI, Kubernetes• ● Architectural Design and Implementation of MLOps Principles○ Model training and retraining infrastructure: Utilizing kubernetes based infrastructure for training and retraining ML models, allowing for scalability and flexibility as well as data allowing data scientists to prototype, showcase ML models easily. Tech used: Airflow, MLFlow, Postgres, Kubernetes, JupyterHub, Feast, MinIO, Helm, AzureDevOps, AKS.○ Serving and monitoring: Setting up monitoring systems to track model performance and health in production. Tech used: Evidently, FastAPI, Kubernetes, AzureDevOps, AKS○ Model retraining: Implementing processes and pipelines for periodic model retraining to keep them up-to-date with new data.• ● Development of Custom Packages ○ Preprocessing and feature transformation: Creating custom data preprocessing and feature transformation packages tailored to the specific needs of healthcare data. These packages may involve data cleaning, feature engineering, model training/testing, monitoring.
- Onior Group B.V.,Machine Learning EngineerJanuary 2018 - February 2022 (4 years and 1 month)The Hague, Netherlands• ● Applying Machine Learning/ Deep Learning techniques on image and text data.• ● Training models for image classification, object recognition, clustering, reverse image search, text classification, named entity recognition.• ● Deploying ML models into production environments.• ● In general, responsible for almost every step in Machine Learning Engineering, from data preparation, selection of algorithms, training models, testing to Docker containerisation.• ● Read and replicate scientific papers based on their relevance to encountered challenges.
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Education
- University2018
- Bachelor's degree AppliedUniversity of Macedonia2013Bachelor's degree Applied