José María Cabeza Rodríguez

Led a powerhouse team of 8 (engineers + PM), driving mentorship, growth, and stellar performance. Partnered with PM to align sprint priorities and deliver flawlessly. Safeguarded security and quality of 7 mission-critical services, orchestrating seamless API integrations with 40+ top partners (Adyen, Mollie, Stripe, etc.). Tech stack: AWS, Docker, DynamoDB, Flyway, Hibernate, Java, Linux, Node.js, Postgres, React, Spring Boot, TypeScript.

Led a high-impact team of 6 engineers, driving mentorship, growth, and top-tier performance. Conducted 40+ Java interviews in 2021, shaping elite talent pipelines. Spearheaded Stripe integration, onboarding 1,700+ merchants weekly. Architected a global merchant tracking service powering 1.4M+ weekly requests. Tech arsenal: AWS, Docker, DynamoDB, Flyway, Hibernate, Java, Linux, Node.js, Postgres, React, Spring Boot, TypeScript.

As Senior Software Engineer at Klarna Berlin, I revolutionized partner pricing setup, slashing manual work from 4 days to 15 minutes. Led a smooth Salesforce-to-custom system migration across 3 services, ensuring zero downtime. Mentored and coached engineers, driving multiple promotions to Senior level. Tech stack mastery: AWS, Docker, Flyway, Hibernate, Java, Linux, Node.js, Postgres, React, Spring Boot, TypeScript.

Maintained and enhanced legacy banking transaction analysis pipelines using Java, Dropwizard, Cassandra, HBase, and Hadoop.

Refactored Amadeus Ticket Changer with sleek XML configs, turbocharging debugging and upgrades. Engineered a groundbreaking algorithm for Japan Airlines’ shareholder coupons, slashing complexity from O(n!) to O(n³) and cutting processing time from minutes to under 100 ms. This innovation powered instant multi-passenger, multi-flight bookings without building a new backend—delivering blazing speed and massive efficiency gains.

Responsible for design, architecture and set up of the module in charge of gathering and managing reporting features within Amadeus' products as well as integration with third parties such as American Express and Airplus International

Drove seamless integration of Amadeus with American Express to launch BTA payments in e-Travel Management and Selling Platform. Key security lead for PCI-DSS compliance across payment features. Led front-end innovation for major rail clients (Trenitalia, SNCF, DBahn). Integrated Amadeus with Airplus for smarter travel cost allocation. Built powerful internal tools to boost team efficiency and contributed to full-cycle development of airline payment features in Selling Platform.

Dynamic leader of Veedia Seminar Portal for Polycom, revolutionizing multimedia videoconferencing for remote audiences. Spearheaded ICEfaces 2 web app for Helvetia Seguros, enabling real-time trader and call monitoring with seamless agenda integration. Drove Flash IVR flowchart tool for Vodafone Spain. Supercharged “It’s Mi Video” Facebook app with advanced J2EE and webcam security. Boosted Polycom’s Flash-Red5 platform, elevating video conferencing with powerful ActionScript innovations.

Handpicked by UPM’s Telematics Lab for elite R&D at Teldat SA. Supercharged a VoIP web app, led Debian OS customization for automated marketing software deployment, and engineered a cutting-edge communication system using facial recognition via webcams. Drove innovation through full-cycle design, development, and debugging. Mastered C/C++, Java/J2EE, Perl, Apache Tomcat, and Hibernate to deliver high-impact, next-gen solutions.