Joaquin Diez

You can usually find me in Madrid · Chamberi · me at

I am experienced in Amazon AWS, Java, Kotlin and some Vue.js. Tools that I use to help building amazing products like Finect (Unience), Devo, I focus on solving problems, not only technical problems but organization problems, latelly I having more focus in management as VP of Engineering

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VP of Engineer

Clarity’s mission is to bring social impact to the market. Our disruptive tech tool allows systematic measurement and optimization of the social impact of investment portfolios, and our proprietary methodology provides a deeper understanding of the needs of the population and give a comprehensive view of how those needs are covered by different economic actors. Together, the tool and the methodology will improve the allocation of the World’s capital to human needs; underneath both of them, there is a strong foundation on technology, big data, and machine learning algorithms that allows us to consume, blend, and interpret many disparate data sources...

Mar 2018 - Present

Co-Founder and IT Architect


Logtrust is an Spanish StartUp that is building a Logging Cloud Service. Logtrust allows you to manage of your data in a single point of view, gaining a rich, easy and real-time visualization. Correlate, find and predict behavioral trends and patterns. Integrate all your information with simplicity and facilitate its analysis. Receive alerts, build reports, correlate, make forensic analysis of any situation and even elaborate behavioural patterns and intelligent detection of any anomaly in the system’s behaviour My responsabilities are Design and Implement the software solution thinking in high scability using Private Cloud and public Cloud Systems. Design and implementation of API for interacting, Quering and converting Logtrust in a Platform.

Apr 2011 - Mar 2018


Mar 2010 - Apr 2011

Team Leader - IT Architect

Unience - Finect

I was one of the original founders of Unience and I remain a shareholder of the company. Unience was the first real social network for investors in Spain. And I was responsible for developing and de- signing the entire system. We design all the software to run on Amazon AWS, and is still running on systems using Amazon S3, EC2, SQS and RDS. In fact we were evolving as it evolves amazon servi- ces. The software was developed entirely in Java (Struts 2, Spring, Hibernate) and using MySQL as data- base systems datos.Para use Spring Batch and search engines were developed using Lucene

Jun 2007 - Mar 2010

Software Analyst


Bankinter is a leading Spanish bank, the fifth largest in the country, and one of the largest companies in the IBEX-35. During the 7 years working in Bankinter remained in the Department of Innovation and Web technologies, I was responsible for the design and implementation of application architectures from the Bank, as well as applications for mobile phones and SMS messaging. So it was one of those responsible for selecting the BPM, BEA Systems Technology to introduce it in the bank's internal development.

Jan 2000 - Jun 2007


University Complutense of Madrid

Bachelor, Computer Engineer
Bachelor's degree
1994 - 1997

The PowerMBA

Business Expert - Gestión y Administración de Empresas


Build a Blockchain and a Cryptocurrency from Scratch
Sep 2018


Machine Learning
Dec 2017


Apart from being a developer, I enjoy most of my time being outdoors. I love music (mainly Heavy Metal), specially live music concerts and festival I like play tennis, and in winter I like go ski. During the summer, I enjoy mountain biking.

I like to create product and services for fun, trying out new technologies and tools to improve myself as developer and stay up to date with current tech.