Experience

LinkedIn

Junior ML/AI Engineer Current

JTA — The Data Scientists · Porto (Full Remote)

Jan 2026 – Present

Working on improving end-to-end ML / NLP pipelines in production and building AI Agents to handle edge cases and complex business workflows.

Education

LinkedIn

Master's degree, Data Science and Advanced Analytics

NOVA IMS Information Management School

2024 - 2026 Avg: 19.2 / 20

Specialization in Data Science. Focus on Deep Learning, Big Data, and AI.

LISBOA project logo
Master’s Thesis · LISBOA Lisbon Itinerary System Based On AI

LLM-powered multi-agent system orchestrating six specialised agents and 45 grounded tools (live transport, IPMA weather, multilingual RAG over tourism & municipal open data) to build feasible, real-time itineraries for Lisbon.

Bachelor's degree, Data Science

Iscte - Instituto Universitário de Lisboa

2021 - 2024 Grade: 18 / 20

Best Student Award. Comprehensive training in the data lifecycle, from SQL to Machine Learning.

Academic & Associative
Collaborator | IT Department NED — Núcleo de Estudantes de Dados
Nov 2022 – Jun 2024

Developed web solutions (Django/Python) to improve internal coordination. Led the creation of a degree course repository and an interactive Erasmus map.

Digital Transformation MOOC

Instituto Superior Técnico

Oct 2022 - Dec 2022 Grade: 89% / 100

A course on Digital Transformation, covering the key digital skills to analyze the role that customer experience, digital operations management, and business models play in the digital transformation of an organization.

Secondary Education, Sciences and Technologies

Externato de Penafirme

2018 - 2021 Grade: 18 / 20

Activities: Volunteering actions and various competitions.

Honors & Awards

LinkedIn
  • 🥇
    1st Place – Academic Merit Honor Roll 2024/2025 NOVA IMS (Highest GPA: 19.24)
  • 🏆
    IBS Best Student Award 23/24 ISCTE Business School (Best BSc Graduate)
  • ⭐️
    ISTA Top Talent (3 Years: 2021-2024) ISCTE-IUL (Top 5% Best Students)

Licenses & Certifications

LinkedIn

About

André Silvestre

André Silvestre

ML/AI Engineer @ JTA

Portugal NOVA IMS

From Portugal 🇵🇹, passionate about turning data into intelligent systems. Currently engineering AI Agents and ML pipelines at JTA — and teaching LLMs to navigate Lisbon for my thesis.

Skills

Technical Skills

AI & Agents

Agentic AI LangChain Pydantic AI RAG LLMs Chatbots Multi-Agent Systems

Data Science & ML

Deep Learning TensorFlow PyTorch Scikit-Learn XGBoost Polars Pandas Python R

Big Data & Databases

Neo4j Databricks PySpark MongoDB MySQL SQL Cypher Vector DB (ChromaDB)

Web, Cloud & Automation

Streamlit Django HTML/CSS Docker Azure AWS GitHub Web Scraping

Soft Skills

Problem Solving Critical Thinking Organizational Culture Communication Adaptability Teamwork Resilience