David Breva

Integrated third-party APIs and external web services, supporting backend communication and data workflows across platform integrations.
Implemented minor UI adjustments and maintenance fixes across internal tools and frontend components
Collaborated within distributed agile teams, participating in code reviews and maintaining overall system reliability.

Developed and maintained core backend functionalities for an enterprise Pimcore (PHP) application, supporting content and asset management workflows.
Collaborated on the architectural design and implementation of microservices built with PHP and Symfony.
Enhanced test coverage and code reliability by writing unit and integration tests (PHPUnit).
Mentored junior colleagues and led peer code reviews

Executed system migration strategies, transitioning core business logic from a legacy monolith to a DDD-based, event-driven application architecture.
Refactored Salesforce integrations using CQRS and Event Sourcing patterns, improving asynchronous data synchronization and domain decoupling.
Developed custom Salesforce components and API endpoints to facilitate secure data exchange with backend ser

Architected and developed backend microservices using PHP and Symfony 4 to support core business operations.
Designed external APIs for customer integrations, enabling third-party service connections and data processing.
Implemented automated testing strategies (TDD/BDD) using PHPUnit and Behat to ensure software quality and domain reliability.
Integrated third-party financial and service APIs, bu

Refactored and maintained core PHP web applications built on Drupal 6, optimizing code legacy structures and system stability.
Refactored JavaScript frontend components using React, improving modularity and user interface interactivity.
Configured build tools and task runners (Grunt) to streamline JavaScript asset compilation and frontend build pipelines.
Implemented acceptance test suites using B

Refactored core PHP applications to an MVC architecture, leveraging decoupled Symfony components for better code organization and maintainability.
Implemented BDD and unit testing practices using PHPSpec and Cucumber (Gherkin) to increase code coverage and validate acceptance criteria with QA teams.
Maintained internal service components and email pipelines written in Python and PHP, resolving sys

Maintenance and improvement of a PHP application.
Developing documents and data parses custom-made for the client.
Creation of new funcionalities for a web application such as internationalization, single sign on, digital signature.

Modify the design and content of websites using HTML and CSS.
Create new microsites with object-oriented programing using PHP and MySQL.
Create new application for the microsites such as a chat, internal messaging, searchers, online browser, photo gallery using PHP, Javascript and AJAX (JQuery), MySQL, HTML and CSS.

Web Developer