Joaquin Salvador Machulsky

AI & ML Engineer | Data Scientist | LLM Specialist

Data Scientist with 3+ years of experience specializing in production-grade AI systems, LLM-powered solutions, and RAG architectures. Master's in Data Science with expertise in deploying scalable ML pipelines using PyTorch, AWS, and cloud infrastructure.

JM
Joaquin Machulsky

About Me

AI & ML Engineer with 3+ years of experience in Python, specializing in developing and deploying production-grade AI systems and LLM-powered solutions.

My Background

Since discovering the world of data during my university studies, I've dedicated myself to mastering the tools and techniques that allow me to extract valuable insights from information.

My Approach

I specialize in transforming complex data into actionable insights, combining scientific rigor with creativity to solve real-world problems through scalable AI systems.

Continuous Learning

The field of data science constantly evolves, and I stay updated with the latest technologies, algorithms, and industry best practices, particularly in LLM operations and AI Agent development.

Data visualization background

What Drives Me?

I firmly believe that data has the power to improve lives and transform industries. My goal is to be part of that transformation, applying machine learning and advanced analysis to create innovative solutions that generate real, measurable impact. I'm passionate about building scalable, interpretable AI systems and eager to tackle complex challenges in cutting-edge AI environments.

Technical Skills

A comprehensive toolkit of technologies and frameworks for tackling any data science challenge

Programming Languages

PythonSQLC++JavaScriptHTML

AI/ML & LLMs

Gemini LLMRAG SystemsSemantic SearchEmbeddingsPyTorchTensorFlowScikit-learnComputer VisionNLP

Data & Backend

PandasNumPyOpenCVFlaskSQLAlchemyMarshmallowSeleniumSciPyMatplotlibSeaborn

Cloud & DevOps

AWS (EC2, S3, IAM, RDS)Elastic BeanstalkCodePipelineDockerGoogle Cloud APIsPostman

Databases

PostgreSQLMySQLSQL ServerVector SearchJSON-based storage

Tools & Collaboration

GitGitHubReactMaterial UIJupyterVS Code

Specializations

LLM Operations

Production-grade LLM systems and RAG architectures

AI Agent Development

Building scalable AI agents and debate mechanisms

Computer Vision

PyTorch-based models for medical imaging and detection

Time Series Analysis

Forecasting models for market analysis and trends

Featured Projects

A selection of projects demonstrating my expertise in data science, machine learning, and end-to-end AI solution development

AI Agents Alignment: Scalable AI Safety via Debate

AI Agents Alignment: Scalable AI Safety via Debate

Research exploring debate mechanisms for AI alignment. Implemented full simulation game (zero-sum) of a debate protocol using PyTorch, including computer vision models, turn-based strategies, and agent asymmetry capabilities.

PythonPyTorchComputer VisionGame TheoryAI Safety
Semantic Search RAG System

Semantic Search RAG System

Production-grade semantic search Agentic RAG system using Gemini LLM and Google embeddings, enabling natural language queries for a 544-product catalog. Deployed on AWS with high availability.

PythonGemini LLMRAGGoogle EmbeddingsAWSVector Search
Melanoma Detection Computer Vision Model

Melanoma Detection Computer Vision Model

PyTorch-based computer vision model for melanoma detection achieving 80% recall. Includes comprehensive model evaluation, validation techniques, and performance optimization.

PythonPyTorchComputer VisionOpenCVMedical Imaging
Dream Journal NLP Analysis

Dream Journal NLP Analysis

Web scraping and NLP-based analysis of dream narratives, including sentiment analysis, coherence evaluation, and topic modeling. Investigated relationships between dreams and lottery numbers using statistical analysis.

PythonNLPWeb ScrapingSentiment AnalysisTopic Modeling

Want to see more projects?

View all on GitHub

Experience & Education

My academic and professional journey in the world of data science

Professional Experience

Data Scientist

NETV S.A.

August 2024 - Present
Remote

Leading ML projects and architecting production-grade AI systems including semantic search RAG systems and computer vision models.

Key Achievements:
  • Architected and deployed production-grade semantic search Agentic RAG system using Gemini LLM
  • Developed PyTorch-based computer vision model for melanoma detection (80% recall)
  • Optimized large-scale SQL pipelines, reducing report generation time by over 95%
  • Led data sub-team through mentorship, code reviews, and daily standups
PythonPyTorchGemini LLMRAGAWSDockerFlaskPostgreSQL

Freelance ML & Data Developer

LAS MERCEDES

March 2025 - Present
Remote

Designed and built custom automated system to reconcile and analyze 500+ monthly POS transactions with secure backend API.

Key Achievements:
  • Built end-to-end automated reconciliation system for 500+ monthly transactions
  • Developed secure backend API with Flask and full CRUD functionality
  • Generated automated reports and dashboards delivering key business insights
PythonFlaskAWSPostgreSQLPandasScikit-learn

Data Analyst & Data Developer

RUSSO SEGUROS

November 2023 - May 2025
Buenos Aires, Argentina

Automated data ingestion processes and maintained PostgreSQL databases for insurance policy and payment data analysis.

Key Achievements:
  • Automated insurance policy and payment data ingestion using Python and Selenium
  • Maintained and optimized PostgreSQL databases ensuring data integrity and performance
  • Built automated reports for financial and operational analysis with key KPIs
  • Implemented predictive models for business trend forecasting
PythonPostgreSQLPandasSeleniumMatplotlibSeaborn

Education & Certifications

Master in Data Science (Artificial Intelligence)

University of Buenos Aires

2023 - 2025
Buenos Aires, Argentina

Advanced graduate program focusing on AI, machine learning, and statistical modeling with emphasis on practical applications.

Highlights:
  • AI & ML specialization
  • Statistical modeling
  • Research methodology

Bachelor in Data Science

University of Buenos Aires

2020 - 2023
Buenos Aires, Argentina

Comprehensive undergraduate program combining Mathematics, Computing, and Statistics for data-driven problem solving.

Highlights:
  • Mathematics foundation
  • Computer Science
  • Statistical analysis

English Proficiency (FCE B2)

Cambridge English

Certified
International

Cambridge First Certificate in English demonstrating upper-intermediate English proficiency for professional contexts.

Highlights:
  • Business English
  • Technical communication
  • Academic writing

Let's Connect!

I'm always open to new opportunities, collaborations, or simply a chat about data science. Don't hesitate to reach out!

Looking for a Data Scientist?

I'm available for full-time opportunities, freelance projects, research collaborations, or mentoring. My expertise includes LLM systems, RAG architectures, computer vision, and end-to-end ML development.

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