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Senior software engineer with extensive experience delivering, integrating, deploying, maintaining, monitoring, and improving internal platforms and customer-facing systems across Europe. Strong background in API development, backend refactoring, database optimization, and cloud-based operations, with a focus on reliability, performance, and continuous improvement. Works across modern engineering stacks (Java/Spring Boot, PHP, Python, AWS/Google Cloud, Docker, CI/CD) and also on legacy-to-modern migrations. Communicates effectively in multilingual environments and has a track record of reducing delivery timelines and improving system stability and performance.…Senior software engineer with extensive experience delivering, integrating, deploying, maintaining, monitoring, and improving internal platforms and customer-facing systems across Europe. Strong background in API development, backend refactoring, database optimization, and cloud-based operations, with a focus on reliability, performance, and continuous improvement. Works across modern engineering stacks (Java/Spring Boot, PHP, Python, AWS/Google Cloud, Docker, CI/CD) and also on legacy-to-modern migrations. Communicates effectively in multilingual environments and has a track record of reducing delivery timelines and improving system stability and performance.

Alejandro Dimitri Bakker Antezana

Back-End Developer, Full Stack Developer, Web Developer, +2

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Senior software engineer with extensive experience delivering, integrating, deploying, maintaining, monitoring, and improving internal platforms and customer-facing systems across Europe. Strong background in API development, backend refactoring, database optimization, and cloud-based operations, with a focus on reliability, performance, and continuous improvement. Works across modern engineering stacks (Java/Spring Boot, PHP, Python, AWS/Google Cloud, Docker, CI/CD) and also on legacy-to-modern migrations. Communicates effectively in multilingual environments and has a track record of reducing delivery timelines and improving system stability and performance.…Senior software engineer with extensive experience delivering, integrating, deploying, maintaining, monitoring, and improving internal platforms and customer-facing systems across Europe. Strong background in API development, backend refactoring, database optimization, and cloud-based operations, with a focus on reliability, performance, and continuous improvement. Works across modern engineering stacks (Java/Spring Boot, PHP, Python, AWS/Google Cloud, Docker, CI/CD) and also on legacy-to-modern migrations. Communicates effectively in multilingual environments and has a track record of reducing delivery timelines and improving system stability and performance.

Available to hire

Senior software engineer with extensive experience delivering, integrating, deploying, maintaining, monitoring, and improving internal platforms and customer-facing systems across Europe. Strong background in API development, backend refactoring, database optimization, and cloud-based operations, with a focus on reliability, performance, and continuous improvement.

Works across modern engineering stacks (Java/Spring Boot, PHP, Python, AWS/Google Cloud, Docker, CI/CD) and also on legacy-to-modern migrations. Communicates effectively in multilingual environments and has a track record of reducing delivery timelines and improving system stability and performance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Spanish; Castilian

Fluent

Work Experience

Senior Software Developer at O[SP] - OTTO GROUP

June 1, 2022 - February 1, 2026

Development, integration, deployment, maintenance, monitoring, and improvement of internal projects within the OTTO Group (one.O). Worked on backend/service improvements across multiple internal domains, supporting continuous delivery practices and system reliability. Technologies include AWS/Google Cloud, data platforms (BigQuery/Snowflake/Elasticsearch), infrastructure as code (Terraform), containerization (Docker), CI/CD, and backend frameworks (Java/Spring Boot, PHP, JavaScript, REST APIs).

Senior Developer at DIGI Spain Telecom

November 1, 2020 - June 1, 2022

Migrated, improved, developed, and deployed CRM and back-office functionalities, including migration from Perl to newer PHP versions, creation and optimization of SQL queries and MS SQL Server stored procedures, and development/migration/refactoring of APIs across multiple backend projects (ERP, CRM, Dealercare, Installcare, etc.).

Senior Developer at SÖderberg & Partners

June 1, 2020 - October 1, 2020

Improved, extended, and released a complete digital household budget tracker, developed REST APIs, extended functionality, and optimized the MySQL database for the budgeting website. Also delivered a new version of a mobile application for a fast-growing fintech enterprise in the Netherlands as part of a Swedish multinational company.

Senior Developer at Telefónica / Movistar

April 1, 2019 - June 1, 2020

Developed systems integrating internet technologies with cloud technologies to create and manage customized resources from vCloud/vCenter and Microsoft Azure. Built solutions using CMS and web integration patterns, including REST APIs and frontend/backend service development.

Senior Developer at ECIX Group

May 1, 2018 - February 1, 2019

Developed software integrating the world of law and compliance with the technical world (risk management & compliance domain indicated). Worked with backend and web technologies and delivered features supporting compliance-related workflows.

PHP Developer at Accenture (Grupo Digital)

January 1, 2018 - May 1, 2018

Upgraded and improved multi-tenant LMS Moodle systems for non-governmental organizations through Accenture Foundation, including development of custom specific functionalities. Implemented features using PHP/JavaScript/AJAX/CSS and MySQL.

Senior Web Developer at Global Technology Support GTS

May 1, 2016 - December 1, 2017

Created and improved custom websites for professionals and small companies using CMS patterns and web technologies.

Manager, EcoSol at EcoSol

December 1, 2013 - April 1, 2016

Management and oversight of a small family company, including customer relations, human resources, economic re-sourcing, products, stocks, and tools using the company’s own management systems and Microsoft Office.

PHP Developer at Kineo - Brighton

October 1, 2012 - December 1, 2013

Developed and maintained customized learning management systems with functionality for many customers based on Totara and Moodle. Implemented backend features and supported reliability and maintainability.

Programmer at SOITS

August 1, 2011 - March 1, 2012

Design and development of new Event Management Systems for the group standing. Migrated from a simple centralized MS Access desktop application to a portal with three access gates (customers, employees, managers) handling accounts/profiles, event details options, and billing processes. Client onboarding and billing flows supported end users.

Programmer / Web Developer at Jet Multimedia

October 1, 2010 - July 1, 2011

Developed and upgraded an intranet back-office system including a new account and billing system. Implemented processes for incoming data processing (ETL-like ingestion/analysis), optimized stored procedures, and supported efficient encryption of subscription consents in a cloud-friendly, secure, and compliant manner.