Alexandre Saint-Albin

As a consultant at GreyMatter Engineering, I was assigned to a major project in the space sector. I was responsible for modernizing and optimizing a critical data processing tool used for European satellite missions. Key responsibilities: Took over an existing software designed to collect and process data from the ESA Sentinel-3 satellite Completely migrated the source code from C to Python to modernize the application Implemented complex data processing algorithms in close collaboration with the scientists Ensured the new Python software strictly met all ESA scientific requirements regarding data accuracy and processing performance Wrote extensive technical documentation and conducted rigorous software testing to validate the scientific results Technologies: C, Python, numba, xarray, dask, numpy, pytest, zarr, Linux, Amazon S3

At HundredLabs, I develop backend tools to support the international consulting operations of the Cleeven Group. I work closely with business and HR stakeholders to build scalable web solutions. Key responsibilities: Built a backend application for consultants to manage leave requests, log working hours and complete project follow-up questionnaires Integrated the app with Cleeven’s internal CRM to centralize operational and HR data Developed dynamic HR dashboards to track employee movements such as hires, departures and salary changes Contributed to a competency matching engine using cosine similarity and vector-based distance between skill tags Implemented advanced filtering and search features across consultant profiles and project needs Technologies: Python, FastAPI, SQLAlchemy, MySQL, Pandas, scikit-learn, Docker, Google Cloud Platform

At Capturs, I developed web applications to support their real-time GPS tracking solutions. I worked on both the user interface and the server-side logic to deliver a seamless tracking experience for the users. Key responsibilities: Developed and maintained full-stack features for the main GPS tracking web platform Built user-friendly front-end interfaces to display live tracking data and location history Designed and managed backend APIs to handle the data flow coming from connected GPS devices Improved the overall system performance and fixed bugs to ensure platform stability Collaborated with the team to design technical solutions adapted to the users' needs Technologies: Backend & Algorithm Development: NodeJS Frontend & UI Design: AngularJS Data Management & Storage: Firebase, BigQuery, Microsoft SQL Data Analytics & Visualization: Google Analytics

At Groupe des Chalets, I developed web solutions and internal tools to support the company's real estate activities. I focused on creating practical and reliable digital platforms for both internal teams and external clients. Key responsibilities: Built and updated web platforms to improve the digital services of the real estate group Developed internal web tools to help teams manage data and daily operations more efficiently Maintained databases and ensured the security and integrity of user information across applications Fixed technical issues and optimized website performance for a smoother user navigation Collaborated with different departments to understand their needs and deliver customized technical features Technologies: Application Development: Java Enterprise Edition (JEE) Database Management: Oracle SQL Server Environment: Apache Tomcat