Nov 2023 - Present

Senior Full Stack and ML Engineer

Monkey Taps

Acted as the central point between full-stack engineering and data-driven ML/MLOps functions, bridging gaps and enhancing the integration of technology solutions.

A/B Testing System: Designed and implemented a remote A/B testing system that decoupled test operations from the mobile app release cycle, streamlining workflows and enabling faster releases.

Backend Infrastructure: Architected and implemented backend systems that served content to the mobile app, successfully handling 2M daily requests with an Appdex of 0.99.

Monitoring and Performance: Integrated New Relic for advanced monitoring and traceability of APIs, driving performance, stability, and security improvements across the platform.

Full Product Lifecycle: Contributed to all stages of the product lifecycle, from requirement gathering and implementation to long-term maintenance, ensuring robust solutions at every step.

Cloud Infrastructure: Managed and expanded cloud infrastructure using AWS technologies, including EC2, ElasticBeanstalk, Lambda, RDS, S3, Glue (for ETL processes), SQS, Athena (SQL queries for S3 data), and ElastiCache to ensure scalable, efficient systems.

Internal Admin Web Tool: Developed an internal admin web tool using Remix.js, enhancing team access to internal resources. Integrated a large language model (LLM) for auto-generating blog posts, increasing productivity and content creation speed.

AI Team Leadership: Led the AI team, driving alignment with product and business goals while providing technical guidance and ensuring successful implementation of AI solutions.

Custom ML Deployment Platform: Designed and implemented a custom platform for deploying ML and traditional models, allowing the data team to test multiple architectures simultaneously, leading to revenue growth and enhanced user experiences.

Recommendation System: Designed and implemented a recommendation system based on user interactions within the mobile app, increasing content engagement, favoriting, and driving subscription sales.

Apple Server-to-Server Integration: Created a solution for integrating Apple Server-to-Server notifications to improve winback strategies, providing better insights into subscription revenue and enabling more effective user engagement strategies.

Analytics & Traceability: Enhanced traceability and analytics across multiple company subsystems, such as the company blog, landing pages, and internal tools, improving decision-making and user insights.

Oct 2020 - Oct 2023

Machine Learning Engineer, Data Analyst and Full Stack Engineer

Wikifactory

Data Lake Architecture: Designed, implemented, and maintained a custom data lake tailored to company needs, aggregating information from internal databases and external services to support unified data access and analytics.

Data Analysis & Reporting: Managed data analysis and reporting workflows for multiple teams. Used SQL and BI tools like Metabase to deliver actionable insights and enable data-driven decision-making across the organization.

Recommendation System: Led the full development cycle of a content-based recommendation system leveraging embeddings. Also integrated GPT to detect and mitigate spam account creation, improving platform integrity.

Full Stack Development: Contributed to both frontend and backend platform development — utilizing React.js on the frontend and Flask on the backend — to support core product features.

OpenNext EU Project: Participated in the EU Horizon 2020 OpenNext project by implementing platform features that integrated partner microservices, fostering interoperability and collaboration between consortium members.

Jan 2017 - Jan 2020

PhD Student and Researcher

GPDS Group (Universidad Politécnica de Madrid)

Conducted research in Mixed Reality and Machine Learning applied to Smart Cities and UAV (Unmanned Aerial Vehicles) systems.

Worked on side projects involving remote airport control tower technologies.

Contributed to the design and development of immersive and intelligent systems aligned with real-world applications.

Supported thesis work focused on user interaction, collaboration models, and multi-user AR/MR experiences.

Nov 2015 - Dec 2016

Research Project Associate

MISO Group (Universidad Autónoma de Madrid)

Designed and developed a graphic editor for Domain Specific Languages (DSM), with special focus on mobile platforms.