Freelancer profile translated to English.
Back to original languageAbout Alex
Senior Backend & Data Engineer specializing in automation, APIs, and system integration.
I help companies eliminate manual processes, connect applications, and develop scalable backend solutions using Python and PHP.
I have developed REST APIs, integrations with Stripe, LemonSqueezy, CRMs, ERPs, and third-party services, as well as automations and ETL processes for data processing and exchange between platforms.
During more than 8 years at Grupo Bimbo, I led corporate data integration and exploitation projects, consolidating information from hundreds of databases for areas such as Management, Sales, Marketing, Operations, and Finance.
I have over 12 years of experience in backend development with PHP, 5 years working with Python, and solid experience in SQL, automation, and system integration.
If your company needs to develop APIs, automate processes, integrate platforms, or build robust backend solutions, I would be delighted to help.
Spanish
Native or bilingual
English
Conversational
Can work on-site
Elche (up to 50km), Alicante (up to 50km), Murcia (up to 50km), Valencia (up to 50km), Madrid (up to 50km)
Experience
- GrupoBimboBusiness Intelligence ManagerAGRICULTUREDecember 2011 - January 2020 (8 years and 1 month)Ciudad de México, MexicoResponsible for the corporate Business Intelligence platform, consolidating information from over 600 databases to support decision-making for Management, Sales, Marketing, Operations, Production, Logistics, and Finance.I led a team of 8-12 data analysts and engineers, coordinating the development of reporting, automation, integration, and strategic information exploitation solutions.Main responsibilities and achievements✔ Designed and implemented ETL processes to integrate information from Sybase, Teradata, and Oracle into SQL Server and MySQL, creating the corporate data warehouse.✔ Developed executive dashboards, KPIs, and daily, weekly, and monthly reports used by management for decision-making.✔ Implemented the corporate Income Statement and profitability models with financial prorations by organization, channel, category, brand, and product.✔ Participated in the implementation of QlikView by developing dashboards and analytical models for different business areas.✔ Developed internal tools in PHP, VBA, and Excel to automate processes, reduce analysis time, and eliminate manual tasks.✔ Coordinated the delivery of Business Intelligence solutions for Sales, Marketing, Operations, Production, and Finance areas.
- AutónomoFreelanceSOFTWARE PUBLISHINGFebruary 2020 - Today (6 years and 6 months)Elche, SpainDevelopment of custom solutions for digital businesses, specializing in advanced plugins and integrations for WordPress, and in SaaS applications with Vue + Firebase + FastAPI.Highlights:✔ Development of custom WordPress plugins integrated with WooCommerce, Stripe, LemonSqueezy, Firebase Auth, external CRMs, and interactive dashboards.✔ Creation of SaaS web applications with Vue 3, Firebase, and FastAPI, including secure authentication, Firestore, file storage, and cloud deployment.✔ Automation of processes and complete workflows using REST APIs, webhooks, and external services.✔ Optimization of performance, loading speed, and technical SEO for high-traffic websites.
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Education
- Bachelor's Degree in Administrative ComputingTecMilenio University2025Enfoque en lenguajes de programación, bases de datos y administración de proyectos con aplicación práctica.