About Juan
I help organizations design, build, and scale modern Data, AI, and Software solutions that deliver measurable business impact.
With more than 12 years of experience across Data Engineering, Software Development, Artificial Intelligence, Cloud Architecture, and Technology Leadership, I have successfully delivered complex transformation programs for multinational companies across Europe and Latin America.
My background combines deep technical expertise with leadership experience, having served as CTO, AI Manager, Product Manager, Development Lead, and Senior Data Engineer. This allows me to bridge the gap between business strategy, technology execution, and team delivery.
I can support clients across the entire lifecycle of a project, from discovery and architecture design to implementation, deployment, governance, and operational optimization.
Areas of Expertise
• Data Architecture & Engineering (Microsoft Fabric, GCP, Azure, SnowFlake)
• AI & Generative AI Solutions (LLMs, AI Agents, RAG, Intelligent Assistants)
• Software Engineering & Backend Development (Python, Flask, APIs, Microservices, JavaScript, Angular, React)
• Cloud Architecture & Modern Data Platforms
• Data Migrations & Platform Modernization
• Machine Learning & MLOps
• Data Governance & Data Strategy
• Technical Leadership & Team Management
• Product and Technology Roadmaps
Leadership Experience
✔ CTO of an award-winning AI startup
✔ Managed and mentored multidisciplinary teams of engineers, data scientists, and software developers
✔ Led enterprise-scale data and cloud transformation initiatives
✔ Collaborated directly with executives, business stakeholders, and technology leaders to define strategic roadmaps
Whether you need an AI solution, a modern data platform, software architecture, cloud migration, or technical leadership for a strategic initiative, I can help transform complex business challenges into scalable technology solutions.
Spanish
Native or bilingual
English
Fluent
Italian
Basic
Remote only
Primarily works remotely
Experience
- StratesysSenior Data EngineerNovember 2023 - April 2026 (2 years and 5 months)London, UK• Championed a complex 10-year data migration from SAP to Google Cloud Platform (GCP) for Serveo, integrating data from 5 countries and enhancing data quality and accessibility by 40%.• Designed and implemented high-performance ETL pipelines for Oracle HRMC data integration with Virgin's GCP environment, improving data processing efficiency by 35% and accelerating data-driven decision-making.• Executed an advanced data governance practices to ensure 100% data integrity and regulatory compliance throughout themigration process.• Optimised cloud resource utilisation, achieving a 25% reduction in operational costs and a 35% increase in system performance efficiency.• Mentored junior engineers and led the team in adopting Apache Airflow for improved pipeline automation.
- TORKSenior Data EngineerJune 2021 - December 2021 (6 months)• Streamlined ETL processes, reducing manual errors by 76% and enhancing data quality, which improved data accuracy for business intelligence reports.• Led the migration of data infrastructure to the cloud, resulting in annual cost savings of COP $500 million and a 40% increase in system scalability and performance.• Implemented automated data validation routines, decreasing data integration errors by 60% and improving operational efficiency.
- SERVINFORMACIONAI ManagerOctober 2021 - December 2022 (1 year and 2 months)• Directed the design and execution of data-driven strategies, leading to the completion of 15+ high-impact AI projects across Latin America, increasing client engagement by 40%.• Oversaw data engineering teams in collecting, cleaning, transforming, and loading data, enhancing AI model development and improving model accuracy by 35%.• Championed AI initiatives that contributed to a 50% increase in operational efficiency for client systems.• Led the development of cloud-based applications for data-intensive solutions, resulting in a 30% increase in productivity for Latin American clients.• Managed data engineering teams for seamless data ingestion, processing, and storage, reducing data processing times by 25%.• Coordinated a Full-Stack team, ensuring high-quality application delivery and a 20% improvement in project turnaround times.• Engineered data processing pipelines using Python, SQL, and Big Data technologies, which enhanced data processing, data transformation, and telecommunications data efficiency by 40%.• Transformed client Data Warehouse data into actionable insights, implementing tailored recommendation algorithms that boosted business growth by 25%.• Led the migration of Data Warehouse to Google Cloud Platform, optimising data storage and accessibility and reducing operational costs by 30%.◦ Developed and deployed data-driven APIs and applications, improving data integration efficiency by 35%.◦ Implemented data extraction and transformation processes that increased data accuracy and availability.◦ Contributed to Data Warehouse migration and optimisation, enhancing system performance by 20%.◦ Created scalable solutions for high-volume data handling, which improved system performance and reduced latency.◦ Optimised existing codebases and implemented best practices, leading to a 20% reduction in system bugs and maintenance overhead.
Recommendations
Be the first to recommend Juan
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Scrum Master / Product OwnerScrum Master / Product Owner
- ARCGIS for Server Site Configuration and AdministrationESRIARCGIS for Server Site Configuration and Administration