I am a forward-thinking technology leader with over two decades of experience spanning diverse technological landscapes. As a seasoned software architect and trusted team leader, I collaborate closely with business stakeholders to drive project success. My decision-making process is rooted in data and tangible prototypes, ensuring a balanced blend of engineering craftsmanship and practical innovation. My passion lies in solving complex problems and modernizing systems through microservices architecture, IoT solutions, and seamless data synchronization. Throughout my career, I have architected and developed platforms across a wide range of domains—including laboratory information systems, embedded firmware, and real-time data dashboards—consistently delivering intuitive, high-quality user experiences.

Antonio Castellon

I am a forward-thinking technology leader with over two decades of experience spanning diverse technological landscapes. As a seasoned software architect and trusted team leader, I collaborate closely with business stakeholders to drive project success. My decision-making process is rooted in data and tangible prototypes, ensuring a balanced blend of engineering craftsmanship and practical innovation. My passion lies in solving complex problems and modernizing systems through microservices architecture, IoT solutions, and seamless data synchronization. Throughout my career, I have architected and developed platforms across a wide range of domains—including laboratory information systems, embedded firmware, and real-time data dashboards—consistently delivering intuitive, high-quality user experiences.

Available to hire

I am a forward-thinking technology leader with over two decades of experience spanning diverse technological landscapes. As a seasoned software architect and trusted team leader, I collaborate closely with business stakeholders to drive project success. My decision-making process is rooted in data and tangible prototypes, ensuring a balanced blend of engineering craftsmanship and practical innovation.

My passion lies in solving complex problems and modernizing systems through microservices architecture, IoT solutions, and seamless data synchronization. Throughout my career, I have architected and developed platforms across a wide range of domains—including laboratory information systems, embedded firmware, and real-time data dashboards—consistently delivering intuitive, high-quality user experiences.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Spanish; Castilian
Fluent
Catalan; Valencian
Fluent
German
Beginner

Work Experience

Software Architect / IT-Fireman / CTO at Freelance (Castellon.CH)
January 1, 2016 - Present
As a full-stack Developer & Architect, I deliver solutions using diverse languages and technologies under standard CD/CI processes. Developed prototypes including a new data store paradigm using NLP and automated data synchronization systems for labs. Key projects include enhancing monolithic applications with microservices, creating laboratory inventory and workflow platforms, GLP validated software for climatic chambers, IoT platforms for real-time sensor data capture and dashboards, as well as firmware and control software for aerosol sensor devices. Achieved improved user experience by integrating data from multiple domains and reducing system complexity and development time. Received 2 Excellence Awards from Philip Morris International R&D.
Software Architect & Multi-Disciplinary Engineer at Blue-Infinity, S.A.
December 31, 2016 - July 23, 2025
Developed and supported software solutions using suitable technologies and improved existing client applications. Key projects included a configurable web-based dashboard for chemicals knowledge base and enhancements to Oracle APEX-based applications. Moved an application from monolithic to distributed architecture, significantly reducing processing time. Pioneered NoSQL solutions with graph-databases and introduced Scrum methodology.
Software Architect & Developer / Consultor at Freelance
December 31, 2013 - July 23, 2025
Designed and developed a QA Data Integration application based on Eclipse RCP framework for clients including CB group SAME, HP Software Solutions, and Santander Bank. Conducted Java instructor courses for Grupo Loyal to CapGemini covering J2EE, Spring, and Hibernate. Contributed to customization of HP® Application Lifecycle Management software.
Java Instructor at University School of Mataro (UPC)
December 31, 2010 - July 23, 2025
Instructed young people in programming, teaching Java concepts and skills.
Software Architect & Developer / Co-Founder at Ebotlution Systems, S.L.
December 31, 2012 - July 23, 2025
Co-founded a company focused on robotics and embedded software with a goal to develop a demining platform solution. Designed embedded platform architecture based on ROS and C++ libraries, including client monitoring using Qt. Managed marketing and international partnerships. The company won several prizes including Spanish Government investment (CDTI).
Software Architect & Developer / Tech Leader at iSOCO, S.A. (now Clever Global)
December 31, 2008 - July 23, 2025
Organized the department and developed new market solutions to turn company finances positive. Worked on applications used by millions of financial clients such as Caixabank and Deutsche Bank. Gained experience with Semantic Web, NLP, and indexing systems.
Software Architect & Developer / IT Manager at GTD, S.A. - Knowledge Technology & Defense Department
December 31, 2005 - July 23, 2025
Worked on high-level projects for Spanish Ministry of Defense, European Framework Program (FP5), and European Space Agency (ESA), successfully completing all projects.
Software Architect & Developer / CTO at Elephant Seven, GmbH
December 31, 2002 - July 23, 2025
Created advanced user interfaces to minimize usage of Flash, developing proprietary libraries.
Administrator and Developer at Blanquerna Foundation (University Ramon Llull)
December 31, 2000 - July 23, 2025
Created the first Intranet for students covering all five faculties in the institution.
Software Architect / IT-Fireman / CTO at Freelance (Castellon.CH)
January 1, 2016 - Present
As a full-stack developer and architect, delivering solutions using multiple languages and technologies following CD/CI methodologies. Developed prototypes like new data store paradigms with NLP and automated data synchronization systems for laboratories. Led key projects including microservices improvements, biological assay platforms, GLP validated inventory systems, IoT sensor data platforms, and firmware for aerosol sensor devices. Improved user experience across multiple data domains, reduced system complexity and development time, and defined CD/CI workflows. Earned two Excellence Awards from Philip Morris International R&D.
Software Architect & Multi-Disciplinary Engineer at Blue-Infinity, S.A.
December 31, 2016 - July 23, 2025
Defined and supported clients by developing suitable software solutions and improving existing applications. Key projects included a configurable web-based dashboard for a chemicals knowledge base and maintaining Oracle APEX applications. Achievements include migrating from monolithic to distributed architecture, pioneering NoSQL graph database usage, and introducing Scrum methodology within projects.
Software Architect & Developer / Consultor at Freelance
December 31, 2013 - July 23, 2025
Designed and developed QA data integration software based on Eclipse RCP framework for CB group SAME, HP Software Solutions, and Santander Bank. Provided Java instruction to Grupo Loyal to CapGemini. Contributed to customizing HP's ALM commercial software.
Java Instructor at University School of Mataro (UPC)
December 31, 2010 - July 23, 2025
Instructed young people in programming, focusing on the art of Java development.
Software Architect & Developer / Co-Founder at Ebotlution Systems, S.L.
December 31, 2012 - July 23, 2025
Co-created a company focused on robotics and embedded software for demining platform solutions. Designed architecture of embedded platform using ROS and C++, including client monitoring with Qt libraries. Managed marketing and international relationships with partners and potential clients. Won several prizes including investment from Spanish Government's CDTI platform.
Software Architect & Developer / Tech Leader at iSOCO, S.A. (now Clever Global)
December 31, 2008 - July 23, 2025
Organized the department to recover the company’s performance, developing market solutions and moving to profitability. Worked with major financial clients such as Caixabank and Deutsche Bank, delivering applications serving millions of users. Gained experience in Semantic Web, NLP, and indexing systems.
Software Architect & Developer / IT Manager at GTD, S.A. - Knowledge Technology & Defense Department
December 31, 2005 - July 23, 2025
Worked on high-level projects for institutions including the Spanish Ministry of Defense, European Framework Program (FP5), and European Space Agency (ESA). Successfully completed all projects.
Software Architect & Developer / CTO at Elephant Seven, GmbH
December 31, 2002 - July 23, 2025
Created advanced user interfaces and custom libraries to minimize use of Flash, enhancing technological aspects of the company's projects.
Administrator and Developer at Blanquerna Foundation (University Ramon Llull)
December 31, 2000 - July 23, 2025
Developed the first intranet solution for the institution covering all five faculties for student use.

Education

Computer Engineering Degree at Universidad Autónoma de Barcelona - SPAIN
January 1, 1995 - December 31, 2000
IT in devices and computer systems at I.P.F.P. Escuela del Trabajo - SPAIN
January 1, 1994 - December 31, 1995
Computer Engineering Degree at Universidad Autónoma de Barcelona
January 1, 1995 - December 31, 2000
Associate's degree at I.P.F.P. Escuela del Trabajo
January 1, 1994 - December 31, 1995

Qualifications

Ethereum Developer, how to develop decentralized applications using blockchain
January 1, 2017 - December 31, 2017
Introduction to Big Data with Apache Spark
January 1, 2015 - December 31, 2015
The Analytics Edge
January 1, 2015 - December 31, 2015
Certified ScrumMaster
January 1, 2015 - December 31, 2015
Pattern Discovery in Data Mining
January 1, 2015 - December 31, 2015
Ethereum Developer, how to develop decentralized applications using blockchain
January 1, 2017 - December 31, 2017
Introduction to Big Data with Apache Spark
January 1, 2015 - December 31, 2015
The Analytics Edge
January 1, 2015 - December 31, 2015
Certified ScrumMaster
January 1, 2015 - December 31, 2015
Pattern Discovery in Data Mining
January 1, 2015 - December 31, 2015

Industry Experience

Software & Internet, Life Sciences, Manufacturing, Government, Education, Financial Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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