About Me
Extremly focused in finding solutions. Habits make the most of you. Entrepreneur, Software Engineer, Teacher and Music Producer
Job description
Contact Details
Xavier Mas Leszkiewicz
Barcelona
https://relevanzz.com
Education
UPC School. School of Professionals & Executive Development
Postgraduate in Quantum Engineering• May 2023
UPC School. School of Professionals & Executive Development
Big Data Management & Analytics• July 2016
UPC. Universitat Politècnica de Catalunya
Bachelor degree in Audiovisual Systems• March 2015
Technische Universität Berlin
Bachelor Thesis• February 2015
Object Tracking with multiple cameras using real-world coordinates
Work
Lumenalta
Senior Full-Stack Engineer•
Solving and implementing technical solutions as consultant. Designing software architectures for frontend and backend using multiple technologies as React, Ionic, NodeJs, SQL, AWS, GCP
Elliptic
Senior Full-Stack Engineer• January 2023
Developing the UI and the backend for the crypto world. This App allows the user to navigate through the blockchains (Bitcoin, Ethereum...) and analyze different transactions in a really dynamic and visual presentation
Full on Net (Telefonica)
Senior Software Engineer• May 2022
Merge LATAM and Spain infrastructure for all IPTV events. Technologies: Python, Java, MongoDB, Kafka, Kafka Streams, Celery, Behave
Relevanzz
Co-Founder and CTO• July 2020
Working as a CTO and Co-Founder gave me a big picture of how to run a company. As a Founder, I am working in all areas of business, marketing, sales and technology. My main role is to design and implement the software product that we offer. My daily work involves product design (UI/UX), infrastructure and developing.
eDreams ODIGEO
Software Engineer - Machine Learning POD• July 2019
Working as a senior software engineer at Machine Learning Team at eDreams Odigeo. My goal is to design and provide a robust back-end infrastructure capable to serve different Machine Learning technologies. I am working close in Data Science and providing the latest technology for my company. Programming with Java, Python, Docker, Maven, Kafka, Kubernetes, Kibana, Elastic Search and related technologies.
eDreams ODIGEO
Java Developer - BI Revamp• February 2018
Working with Java and all related technologies as NoSQL, SQL, Maven, and other technologies. My goal was to treat a big amount of data, treat this data and finally store it. I had complete ownership with this project, since designing until deploying to production.
SIA Group. Sistemas Informáticos Abiertos
Java Developer and IT Security• Jan 2017
Working in a government environment involving a wide variety of technologies and different operating systems. Managing more than 250,000 identities and Sign-On protection for these identities. Responsible for migration of many applications and responsible for improving or creating scripts using Oracle Identity Manager Mostly focused on Java applications and similar. Dealing with many technologies like Active Directory, Oracle database, Visual Basic, Oracle Identity Manager, Siteminder (SSO) and frameworks as Spring or Struts.
Skills
My most outstanding skills
- Software Engineering
- People Oriented
- Motivator
- Amiable profile
Music Producer
I am an amateur music producer who enjoys creating Deep House tracks. I am super excited to collaborate with different producers to learn and improve my skills.