Freelancer profile translated to English.
Back to original languageAbout Sergio
I am a backend developer and technology consultant based in Salamanca (Spain), specializing in custom solutions, process automation, and professional web development.
I have consolidated experience in:
- Backend programming (PHP, Python, SQL)
- Development and integration in WordPress, WooCommerce, Moodle, and Joomla
- Workflow automation and data processing
- Creation and implementation of AI chatbots (OpenAI, GPT)
- System and server administration (Linux, cloud environments)
Spanish
Native or bilingual
English
Conversational
Can work on-site
Salamanca (up to 50km), Zamora (up to 100km)
Experience
- CarrefourData Analyst and Application SupportRETAIL (LARGE RETAILERS)March 2024 - April 2025 (1 year and 1 month)Process managementData synchronizationApplication supportDesign and execution of SQL and NoSQL queries
- Global Exchange GroupApplication SupportBANKING AND INSURANCEFebruary 2024 - February 2025 (1 year)Application supportUser assistanceMS SQL Server scriptsAnalysis of stored procedures.
- FreelanceWeb Developer & BackendJanuary 2022 - Today (4 years and 7 months)I am a backend developer, system and server administrator, and junior cloud computing technician. I have extensive experience in custom developments, programming and maintenance of Wordpress, Woocommerce, Moodle, Joomla websites..., as well as programming in multiple languages (php, python, sql, javascript, html ...)
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Education
- Microsoft Server & Azure System AdminCloud Training2023Microsoft Server y Azure
- Amazon & Google Cloud Computing SystemsCloud Computing2022Google Cloud y AWS