About João Neves
👨💻 Professional Experience
Senior ML Engineer @ Farfetch, Lisbon (June 2022-Present)
Design and implement recommendation systems to improve the User experience in the Marketplace
- Successfully collaborated on developing a virtual assistant by leveraging LLMs for prompt engineering and effectively deploying it as an API.
- Proficiently contributed to implementing and optimising a Vector Search Engine (Vespa) to enhance recommendation systems.
- Design and implement recommendation systems to improve the User Experience
- Produce resilient, high-available and scalable systems to host ML models (e.g., APIs).
- Support ML development by implementing Data Engineering systems
- Technologies used: Large Language Models (LLM), MLflow, PySpark, Pandas (Software), Kafka, Kubernetes, Azure Databricks, Airflow, Python, Flask
Lead Tech Engineer & ML Engineer @ Siemens, Lisbon (January 2019-June 2022)
Design and implement detection and analytics cloud-based ML systems for CyberSecurity
- In-house MLOps framework development
- Automation frameworks for clients
- Phishing analytics platform
- Malware detection engine
- Data Lake query costs optimization system
- Technologies used: AWS Cloud Services, Git, PyTorch, Python, Scala, Serverless Framework, Spark, Terraform
Data Scientist/Data Engineer @ Marionete, Lisbon (October 2016–December 2018)
Design and implement Machine Learning use cases
- Documents indexation with search capabilities for compliance (Technologies used: AWS Cloud Services, Elastic Search, Python)
- Platform to match conference attendants (Technologies used: Heroku, Jenkins, Python, Pandas)
- Malware detection engine (Technologies used: AWS Cloud Services, Keras, Python, Scala, Spark)
- Partner trainer certified by Cloudera
Software Engineer @ SISCOG, Lisbon (September 2013–September 2016)
Model the domain of processes of planning railroad resources
- Intensive brainstorming of functionalities with the product managers
- Part of a development team for a new product with recent clients
- Technologies used: Lisp, ACL
🎙 Public Speaking
- Big Things Conference - From euros to zero: using Probabilistic Data Structures to reduce costs, Madrid (November 2020)
- MXNet Deep Learning Meetup - AI vs Malware: Threat Intelligence @ Work, Berlin (February 2019)
- Seminário Diagonal IST - Variable Selection in Football Squads, Lisbon (November 2011)
📚 Education
- Master (MSc) in Mathematics and Applications (Probabilistic and Statistics) @ Técnico, Universidade Técnica de Lisboa, Lisbon (2011-2013)
- Degree (BSc) in Applied Mathematics and Computation @ Técnico, Universidade Técnica de Lisboa, Lisbon (2007-2011)
📜 Master Thesis
Title: The effect of an imperfect ground-truth in the evaluation of the performance of classifiers
Supervisors: Prof. Maria do Rosário Oliveira
Description: Link
⌨️ Programming Skills
| Name | Level | Scope |
|---|---|---|
| Python | 🟢 Working | Daily basis usage |
| Scala | 🟡 Average | Used in previous projects |
| SQL | 🟡 Average | Used in previous projects |
| R | 🟡 Average | Main language used in University |
| Rust | 🔴 Amateur | Only reading skills |
| Java | 🔴 Amateur | Only reading skills |
| HTML | 🔴 Amateur | Only reading skills |
| CSS | 🔴 Amateur | Only reading skills |
| JavaScript | 🔴 Amateur | Only reading skills |
| C | 🔴 Amateur | One academic project |
🌎 Languages
| Lang | Level | Scope |
|---|---|---|
| Portuguese | Proficient | Native |
| English | Upper-intermediate | Working language |
🎨 Interests
- 🎮 Games: Playing games is an excellent way to relax
- ⚽️ Football: Everything
- 📺 Audiovisual Art: Films and TV Shows