10/30/2026 updated

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AI / ML Engineer | Secure AI Applications | Consultant

Amsterdam, Netherlands
Worldwide
M.Sc., Economics - Utrecht University (2018)
Amsterdam, Netherlands
Worldwide
M.Sc., Economics - Utrecht University (2018)

Profile attachments

Jeffrey_de_Jong_CV_eng.pdf

Artificial IntelligenceApache AirflowCloud EngineeringMachine LearningPredictive AnalyticsTensorFlowAzure Machine LearningAzure Data FactoryGenerative AIInfrastructure as Code (IaC)CloudformationScikit LearnAWS Data AnalyticsMachine Learning OperationsCloudwatchTerraformArtificial Intelligence Markup Language (AIML)Databricks
Cloud & Infrastructure (AWS & Azure)
Expertise in AWS services including VPC, networking, ECS, SageMaker, Bedrock, and CloudWatch, as well as Azure Data Factory and Synapse. Proficiency in Kubernetes, Docker, and Infrastructure as Code using Terraform and CloudFormation.

Machine Learning & AI Engineering
Deep knowledge of TensorFlow, scikit-learn, LightGBM, CatBoost, time-series forecasting, physics-informed ML, fault/anomaly detection, LLMs and agentic systems (RAG, tool-use), Langchain, Langgraph, and Langfuse.

MLOps / LLMOps
Strong background in model deployment and serving, training and deployment pipelines, monitoring and observability using Grafana and CloudWatch, and CI/CD for ML workflows.

Data Engineering
Proficiency in Python, SQL, ETL/ELT pipelines, and Airflow orchestration. Experience with Databricks, ClickHouse, PostgreSQL, Teradata, and Opensearch for large-scale data processing and storage.

AI Coding Assistants
Thorough experience working with Claude Code, GitHub Copilot, and Codex to accelerate development workflows.

Digital Twins & Predictive Analytics
Design and delivery of production-grade digital twins and high-frequency power forecasting platforms for large solar PV portfolios, with emphasis on scalability and system reliability.

Enterprise Security for AI Platforms
Implementation of enterprise-grade security measures including SSO integration and fine-grained RBAC policies across cloud and data resources.

Data Lakehouse & Data Warehouse Solutions
Delivery of lakehouse and data-warehouse solutions on Databricks and Snowflake, covering ingestion, transformation, and data modelling.

AWS Certifications
AWS Certified Solutions Architect - Associate (2020) and AWS Certified Machine Learning - Specialty (2020).

Experience

Professional experience5 - 10 years
Freelancer since2022

Languages

EnglishFluentDutchNative speakerSpanishBasic knowledge

Project history

Contractor - ML / AI Engineer

ENERPARC AG

Energy, Water & Environment

500-1000 team member

Architected and engineered a production-grade ML platform for a large solar PV portfolio, delivering digital twins and high-frequency power forecasting. Led end-to-end design of AWS AI infrastructure (VPC, ECS, SageMaker, Bedrock). Secured the AI platform with enterprise-grade security measures including SSO and RBAC. Established robust MLOps and LLMOps frameworks integrating Langfuse, automated retraining loops, and CI/CD. Owned the architectural lifecycle of an AI agent layer for O&M. Provided technical leadership and mentorship to junior developers.

Contractor - Data Engineer

Additional projects (data engineering - smaller client engagements)
Built cloud data pipelines and ETL/ELT workflows on Azure (Azure Data Factory and Synapse Analytics) to feed analytics and ML use cases. Delivered lakehouse and data-warehouse solutions on Databricks and Snowflake, covering ingestion, transformation, and data modelling.

Data Scientist / Engineer

KPN
Built and deployed data-science and engineering solutions in a large-scale production environment. Worked across AWS, Airflow, Kubernetes, scikit-learn, TensorFlow, and time-series modelling for predictive use cases. Engineered data pipelines and storage on PostgreSQL and Teradata, with monitoring and dashboards in Grafana.

Data Science Trainee

KPN - Growth Tribe
Selected for a data-science traineeship (Growth Tribe) combining structured training with hands-on delivery, progressing into the Data Scientist / Engineer role.

Data Analyst - Data Analytics Consulting

Coney
Data-analytics consultant delivering client engagements in process analytics and automation. Automated data-processing workflows for a banking client using Python and SQL, reducing manual effort and improving data quality.

Working Student / Student Employee (Tax & Economics)

Ectacon / PwC Netherlands
Working student at Ectacon (Tax & Economics) and student-employee roles at PwC Netherlands in Transfer Pricing and M&A Tax, building a foundation in tax law, economics, and quantitative analysis.

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