01/04/2026 updated

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Senior Data Scientist / ML Engineer

Tuusula, Finland
Only remote
MSc in Computer Science
Tuusula, Finland
Only remote
MSc in Computer Science

Profile attachments

cv_carlos_guerreiro202512.pdf

About me

25+ years in leading roles building data-intensive systems. A strong software engineering background, and a rich toolbox of ML, statistics, optimization and visualization methods.

Java (Programming Language)JavaScriptApplication Programming Interfaces (APIs)Apache AirflowAmazon Web ServicesData AnalysisMicrosoft AzureGoogle BigQueryC++ (Programming Language)Cloud ComputingCombinatoricsComputer ProgrammingD3.JsInformation EngineeringData FusionData SystemData VisualizationData WarehousingDevOpsPython (Programming Language)PostgreSQLMachine LearningMathematical ModelingNatural Language ProcessingNode.jsRedisTensorFlowScalaSoftware EngineeringData StreamingSalesforce TableauTypeScriptRust (Programming Language)Google CloudPyTorchGrafanaApache SparkDeep LearningTheanoBackendFastAPIData LakeScikit LearnKubernetesDeployment AutomationHuggingFaceXgboostApache KafkaMachine Learning OperationsSpacyTerraformLooker AnalyticsData PipelineAmazon RedshiftDatabricksGolang
Machine Learning & Deep Learning
Expertise in PyTorch, TensorFlow, HuggingFace, Theano, scikit-learn, PyMC, statsmodels, MLflow, XGBoost, LightGBM, CausalPy for building and deploying ML models and deep learning systems

Data Engineering & Analytics
Proficiency in building data pipelines, analytics systems, data warehouses, and streaming data fusion using Spark, Delta Lake, Kafka, Redshift, Athena, BigQuery, PostgreSQL, Redis

Programming & Software Development
Advanced skills in Python, JavaScript/TypeScript, C++, Rust, Scala, Java, Go for developing scalable data-intensive systems and applications

Cloud & DevOps
Experience with AWS, GCP, Azure, RunPod, Databricks, K8s, Airflow, Terraform, Grafana for cloud infrastructure and deployment automation

Natural Language Processing
Knowledge in LangChain, LangGraph, FAISS, spaCY for building NLP pipelines and knowledge extraction systems

Data Visualization
Skills in Streamlit, Retool, Gradio, Looker, Tableau, D3.js for creating interactive dashboards and data visualizations

Backend Development
Experience with FastAPI, Node.js, Gin, boost.asio for building scalable backend systems and APIs

Optimization Techniques
Expertise in combinatorial optimization, MILP, MIQP, mathematical modeling for solving complex business problems

Languages

EnglishFluentFrenchBasic knowledgePortugueseFluentSpanishFluent

Project history

Data Scientist / ML Engineer

Perceptive Constructs
Designed and built data systems, working with product development teams

Data Scientist

Securitas AB
Guard assignment optimization application, exploring scenarios interactively, visualized in tabular and map forms, solved with combinatorial optimization

Senior Optimization Specialist

Boston Consulting Group
Highly customizable markdown optimizer for major retailers, using combinatorial optimization solved with Gurobi

Senior MLOps Engineer

Doublepoint
Gesture Recognition for wearables - Better MLOps practices with optimally deployed ephemeral resources, developed and implemented in collaboration with data infrastructure and ML teams

Senior ML Engineer

Professional.me
Pipeline for knowledge extraction and normalization from CVs, using fine-tuned machine vision, document and language transformer models. Custom platform for high productivity manual and semi-automatic data labeling

AI Architect

Staq.io
AI prototype to assist compliance officers. End-to-end system including a pipeline for data extraction from PDF documents, RaG for selected use cases and a PoC UI

Principal ML Engineer

Intel471
Multilingual NLP pipeline for knowledge extraction from discussion forums. Data curation, extraction, transformation and annotation. Model fine tuning, custom decoding, evaluation and deployment. Data visualisation

Data Architect/Scientist

Bank Al Etihad
Analytics pipeline and data warehouse. Anonymization. Streaming data fusion. Bespoke offering recommender from transaction data. Deposit rate optimization, causal estimation. Churn, loan, and card risk models

Senior Data Engineer

Verto Analytics
Pageview processing pipeline optimization. Workflow orchestration for deliveries

Director of Data Science

MarkaVIP
Focus on laying the foundation for Data Science, to enable sustainable results

Data Scientist

MarkaVIP
Bespoke low latency product recommender for flash sales

Software Architect / Data Scientist

Codento
Built various data-intensive systems for startups and established companies alike

Chief SW Architect

Nokia Devices
Led concept definition and prototyping across functional units. Set standards in software architecture, running workshops, defining guidelines with the teams and conducting reviews

Head of Maemo Application Framework

Nokia Devices
Led Maemo Application Framework team from inception through 3 product iterations of Linux-based devices. Drove strategy, process improvement and planning

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