
João Ferreira
Head of Data & ML
Salary / Daily rate
Brussels, Belgium
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Head of Data & ML with 5+ years engineering scalable data architectures and cloud migration solutions. Proven expertise building data platforms from scratch, implementing CI/CD pipelines, and developing forecasting automation for financial processes. Specialized in Python, GCP, Azure, and DBT with focus on data quality and enterprise-grade infrastructure.
Work experience
Head of Data & ML
Luminy
Sep 2023 - Present
3 years 2 months
Stockholm, Sweden
Designing and implementing the Data Architecture to handle multiple sources of Financial data integrating with our tool. Developing automation and forecasting for processes and KPI related with AR ( accounts receivable). Design and maintain the infrastructure to support our tool, focusing on security and scalability.
Full Stack Engineer
Dobles
Apr 2023 - Present
3 years 7 months
96100 Syracuse, Free municipal consortium of Syracuse, Italy
Senior Data Engineer
Devoteam G Cloud
Mar 2024 - Jan 2025
11 months
Brussels, Belgium
Cloud migration of applications with an infrastructure-as-code approach - implementing guidelines and best practices as part of CI/CD pipelines. A way forward for robust and scalable deployment of applications. Design and development of a Data Platform from scratch with a focus on Data Quality, self-service analytics and Software Engineering best practices.
Avaus
Jun 2021 - Mar 2024
2 years 10 months
Stockholm, Sweden
Data Engineer
Sep 2022 - Mar 2024
1 year 7 months
Stockholm, Sweden
I have been involved in projects from Retail/E-commerce all the way to Insurance. Throughout these projects, my responsibilities have ranged from maintaining Data Warehouses and building ETL processes to assessing client's needs and building a plan to achieve the goals defined. I have also taken the lead within some teams that I have been part of, for example by defining our plan of action and taking ownership of the relationship with the client. Lately, I have been more involved in Data Architecture, actively providing architectural support when defining solutions, even on clients that I'm not directly involved with. But also defining ways of working with Analytics, Architecture of integration services as microservices, and overall data schemas.
Junior Data Engineer
Jun 2021 - Oct 2022
1 year 5 months
Stockholm, Sweden
The Avaus Bootcamp: Google Cloud Edition Learning the applied skills necessary to bring companies to the forefront of data driven marketing and sales.
Data Engineer Analyst
Accenture
Nov 2019 - Aug 2020
10 months
Lisbon Area, Portugal
First two months: Introduction to Data Engineering and familiarization with big data tools through a Data Science project entailing data exploration, analysis and visualization alongside a team of 5. Project at Portuguese Telecommunications Company Responsibilities: Data ingestion processes, Data privacy and setup workbenches for different departments. Targetted advertising project with Accenture Italia and other Portuguese Telecommunications companies. Setup of the end to end ETL process for data delivery to Accenture Italia.
Assistantship
EuFlex Employment Services
Sep 2017 - Jul 2019
1 year 11 months
Eindhoven Area, Netherlands
In the TU/e program of assistantships: - Tutor of Programming (2IP90) in 2017/18 and 2018/19; - Tutor of Datamodelling and databases (2ID50) in 2018/19. This job consisted of clarifying doubts students may have during tutorial sessions, grading homework and conducting the challenge assignments (harder assignments dedicated to students who were acquainted with programming before starting the bachelor's) in Programming.
Chairman of the Educational Committee
H.S.A. Confluente
Nov 2017 - Jul 2018
9 months
Eindhoven Area, Netherlands
Confluente is the Honors Student Association of TU/e. As the Chairman of the Educational Committee, me and my team, organized multiple workshops, lunch lectures, company visits and our very own Ted-h Talks (Ted talks in which Honors students would talk about their passions, usually related with their work in the Honors Academy). During this time and as Chairman I was able to develop: - Networking skills through contact with companies; - Financial Planning; - Organizational and Leadership Skills;
Delegate and Chairman
European Youth Parliament (EYP)
Apr 2015 - May 2017
2 years 2 months
Portugalete, Biscay, Spain
"Since 1987, the European Youth Parliament supports the development of young people into politically aware and responsible citizens by involving them in European political thinking and promoting intercultural understanding." During this time I participated in multiple events of both EYP and MUN, as a delegate and a chairman. Due to my experience, in the later year, I was involved in the organization of 2 EYP events (in the city of Porto) in which I was a chairman and led a team of about 6 delegates through the event.
Education
KTH Royal Institute of Technology
Master's degree
2020 - 2023
2 years 8 months
Eindhoven University of Technology
Honors Bachelor Program
2017 - 2019
2 years 1 month
Eindhoven University of Technology
Bachelor's degree
2016 - 2019
3 years 1 month