Freelancer profile translated to English.
Back to original languageAbout Sergio
Hello!I am Sergio Sánchez Vallés, asoftware engineerand data science enthusiast with *3 years of experience* in the data sector. In short, I love using technology to drive ideas and create impactful solutions in the field ofData Science and AI.
I have worked on important data projects and Business Intelligence initiativeswhere I have used my skills inbig data, Artificial Intelligence, Deep Learning, and visualizationtechnologies to create innovative solutions from scratch. I stay up-to-date with the *latest industry trends and paradigms,* allowing me to bring innovative ideas.
Furthermore,I actively participate in Machine Learning competitions,notably a national competition where I obtained *second place* and a European-level competition where I obtained *sixth place and a certificate of merit.* These competitions allow me to stay updated and improve my skills inData Analysis, model knowledge, and programming.
I consider myself aproactiveperson, capable of solving problems quickly and effectively. Additionally, I am familiar withagile and leanmethodologies, which allows me to manage projects efficiently. I am always interested in learning *new technologies and work methodologies* that allow me to improve and adapt to different projects.
My goal is to contribute to projects in the field ofData ScienceandAI,applying my skills and knowledge. I look forward to connecting with other professionals in the field and exploring new opportunities. If you are looking for aData Scienceexpert who can help you create *innovative solutions, do not hesitate to contact me.*
Let's talk!
Spanish
Native or bilingual
English
Native or bilingual
French
Basic
Chinese
Basic
Remote only
Primarily works remotely
Experience
- GetlifeData Analyst/ScientistBANKING AND INSURANCENovember 2022 - January 2023 (3 months)Madrid, Spain- AppliedMachine Learning models for customer segmentation and clustering,providing a better understanding of different groups and their behavior. Using *Python Notebooks.*- Designed and implementedBusiness Intelligence solutionsfordata collection, analysis, and visualizationusing *SQL and Big Data models.*- Generatedreports and charts for data and results presentationusing *Google Cloud Platform (GCP) tools like Looker Studio (Google Data Studio),* to facilitateunderstanding and decision-making,transforming data intocustomizable reports and informative dashboards.- Manageddatabasesin *Google Bigquery* forstorage and analysis of large amounts of data.-Automated processes and scripts*using Apps Script,* to improve efficiency and reduce manual work time.- ManagedETL processesand integrated data from third-party services for subsequent analysis.
- GMVSoftware/Data EngineerAVIATION AND AEROSPACEJuly 2018 - November 2020 (2 years and 5 months)Madrid, Spain- Designed and implemented thedata analysismodule for a satellite constellation simulator, using technologies such as *Python, Matplotlib, Numpy, LaTeX, C++, Linux, SQLite,* and *SQLAlchemy* to meet client requirements.- Designed and implementedETL pipelinesto ingest raw data from ESA servers, performingtransformations, classification, and data loadingintodatabasesand file servers, using technologies such as *Python, Matplotlib, Numpy, ELK Stack (ElasticSearch, Kibana, Logstash), PostgreSQL, MariaDB, Linux, Git, Gitlab, Jira,* and *Jenkins*, and applying DevOps and CI/CD methodologies.- Implementedlow-level network protocolsforreal-time datacommunication with ESA servers, using *TCP and UDP sockets in C++,* deploying in *Docker* containers, and conductingunit and integration testing,as well asperformance testing.
- GMVSoftware/Data Engineer InternshipJuly 2018 - December 2018 (5 months)Madrid, Spain
Reviews
Andrés
Andrés Ramírez
Reviewed on 4/19/2023
This is the third time I've worked with Sergio, who is a whiz in everything related to Artificial Intelligence, Machine Learning, Big Data, and more... A pleasure to work with him... he always gives 100% and contributes all his experience and expertise to make your project one of the best.... A pleasure to collaborate and work with him. I recommend him 100% to anyone with an AI project.
Andrés
Andrés Ramírez
Reviewed on 4/15/2023
An excellent professional who will understand your Project's needs, make them his own, and not only solve them... but is in a continuous process of improving your Initial Idea and makes proposals until building something incredible that you didn't imagine from the beginning... but he, with his demonstrated experience, makes it possible and you are stunned when he finds a solution and surprises you with impeccable implementation and development.... A 10 Engineer!!!!
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Education
- Degree in Engineering, Software EngineeringRey Juan Carlos University2020Grado en Ingeniería, Ingeniería del software
- Data Scientist NanodegreeUdacity2022Data Scientist Nanodegree
Certifications
- Applications of Artificial Intelligence for Anomaly DetectionNVIDIA2022
- Project Management with Agile Methodologies and Lean ApproachesTelefónica2019