Senén Hermida

• Implemented backend tasks, focusing on efficient, scalable, and robust solutions, and conducted extensive testing to ensure system reliability.
• Reviewed pull requests to ensure code consistency and quality.
• Addressed and resolved support issues.
• Integrated multiple external systems seamlessly, including various EPOS systems, food delivery platforms, payment methods, and discount provider systems.
• Collaborated with several partners, developing and co-integrating solutions for mutual benefits.
• Researched the viability of new features and crafted tailored solutions for their implementation.

Instasent v2.0

- Migrate and update the backend for the new architecture and business model. Refactor when necessary. SOLID, PHPCS, PHPMD, PHPStan

- Build the new endpoints for the new front-end with REST.

- Build the enrich data system. Our clients could authenticate in their used platforms (gmail, shopify, zendesk, prestashop) and download the data of their clients in our platform. Symfony, Oauth, Reactjs

- Build the system to manage clients subscriptions. Store the credit card, configure different tiers in the backend, limit the use of the platform depending on the subscription. Stripe.

- Build the email sending system with AWS SES. Configure a system where our clients could register and send email campaings with their domains.

- Develop the unit and integration testing. Configure the testing environment in Docker and create the fixtures with nelmio/alice.

- Integrate the billing system with Holded

Instasent v1.0

- Build, review and maintain the platform, a web-app which its main task was sending up to 1 million of SMS per hour with different providers.

- Build the system to aggregate all the SMS data to show relevant business statistics quickly, saving 1% of the weekly working time for the developer team.

- Develop the unit and integration testing with PHPUnit. - Give technical support for worldwide clients and providers. - Build SDKs for different languages (node, java, python, ruby) to ease the connection process

- Create a stats panel that showed all relevant business data in real time, with the help of graylog and monolog.

- Automate provider's prices updates. Price updates where communicated through xls documents in emails and update manually in our platform. Build a system to automatically update the prices and alert with the price changes. Gmail API

- Implement Stripe with all their tools to fight against fraud. Stripe Radar, 3D Secure...