Adrian Seijas

Madrid, Community of Madrid, Spain

adgw4t@r.postjobfree.com 615590927

linkedin.com/in/adrianseijas

Summary

Experienced IT professional with a demonstrated history of working in the computer so ware industry. Skilled in the most current development platforms. High education with a Postgraduate focused in Organizational Leadership and business management.

Experience

Senior So ware Engineer

Coforge

Apr 2019 - Present (1 year 6 months +)

Lead the so ware development of the Single Sign On system, by improving the security and performance to the authentication and authorization process.

Provide integration support to more than 10 clients that use the platform, web sites and external services. The stability of tha platform is near the 100%.

The work is carried out in an international environment with communication and integration of several geographically distributed teams and with different systems in charge. I have been responsible for up to 2 developers whom I have trained, advised and with whom I pairworked eventually. The platform is develop uisng ASP .Net, MVC, HTML, CSS, C#, Identity Server, DynamoDb, AWS, Javascript, Bootstrap, WCF, RESTful, TDD, DDD, Agile methodologies, Jira, SOA architecture, OAuth, OpenId, JWT Tokens, APIs and external services integration. I am currently migrating to .net core 3.1 all services and APIs and thanks to the teamwork more than the 30% of code has been already refactored and tested.

The CI and CD is supported by Git (guithub) and TeamCity, Octopus and AWS lambdas to deploy net core solution to linux containers.

Independent Business Owner

Freelance

May 2001 - Feb 2019 (17 years 10 months)

I provided consulting services, code reviews, migration of legacy systems, enhancements on systems security. Because of the good results the amount of work was increased by 50% in the first two months and I started to provide technical support to optimize the running process of a certification authority and as a result the RAM usage decreased by 40% and the services were sped up. I was working on C++, Delphi, Assembler and Java, also worked with digital signature, digital certificates, secured encoding, decoding and hashing. Led the so ware development teams of two startups both of them with a SaaS architecture, mobile applications and backend management systems. Net core, xamarin forms, SQL server, Docker, SignalR, DDD, TDD, Entity Framework core were used and also Git for integration. Led the the architecture and development of two ERPs fro foreign clients. Both of them with a distributed architecture based on services. The first one was developed using SQL server, Visual C++, Rational Process. For the second .Net framework, ASP .Net MVC, SQL Server, DDD, Agile methodologies. Built web site using DNN for a non gubernamental organization from UN in Cuba, Other web sites were built using Wordpress for a Musical Studio, Press media, Real State, Travel Agency and Online sellings. The work Adrian Seijas - page 1

team had up to 20 professionals in different areas not only programming, it also included graphic design and translation.

So ware Engineer

Caribbean Travel Network

May 2010 - May 2017 (7 years 1 month)

Integrated and Developed a multi product reservation Frontend for more than 6 different products that can be sell at the same time.

Built the web applications for suppliers to manage their products and services availabilities. Built the system tool to manage Business Rules and Products/Services definitions. The backend was developed with C#, C++, Couchbase, SQL Server, DDD, TDD, Service oriented, WCF, APIs, load balancing. For the Aplication development I was using Winforms, C#, Telerik components and fro the web development of the Availability Management tools I used HTML, CSS, ASP .Net MVC, Kendo, bootstrap, jquery, javascript, Entity framework, XML, XLST, Git, SVN

Lead So ware Engineer

Excelencias Travel

Aug 2008 - May 2010 (1 year 10 months)

Integrated the reservation frontend with secured payment gateways like BBVA, CAIXA, Sabadell using 3-D secure protocol.

Led a small team and developed the management system to update availabilities and the information of each product and service, a er the deployment and testing this system decrease to zero the 3 or 4 hours that the old system for synchronizing local data takes to update the remote information. For the web development of the platform were used ASP.Net webforms, later updated to MVC, SQL Server, C#, javascript, jquery, Knockout. For the management of products and availabilities were used C#, Winforms, WebServices, APi, nHibernate, XML, HTML, CSS.

Web So ware Developer

Revista Cultural La Jiribilla

Aug 2007 - May 2010 (2 years 10 months)

I created and integrated interactive components to display statistical information for different publishing media. I used javascript, jquery, bootstrap, Flash, Xml, Action Script, MySql, PHP. I developed virtual art galleries to show temporary exhibitions. Flash, Action script, Adobe tools, Action Script, Xml, MySql, PHP

Active member of the development and maintenance team of the magazine's website. PHP, MySql, javascript, jquery, boostrap.HTML, CSS, XML.

The web site and its dynamics contents increase the impact of the magazine in the society and received recognitions from the artists and cultural authorities. Developer

Genesis Multimedia

Feb 1998 - Aug 2007 (9 years 7 months)

Main developer of e-commerce websites using open source technologies like MySQL, Apache and PHP to sell the informational products of the press agencies.

Adrian Seijas - page 2

Led the development of the first interactive Digital Encyclopedia of Cuba, for which I introduced the integration of SQL databases with interactive content made in Flash and Director. This Project received cultural and gubernamental recognitions. I also used HTML, CSS, XML Analyst and Developer

Agencia de Autores Visuales

Aug 2004 - Aug 2005 (1 year 1 month)

I automated the process of registration and management of art works according to European standards as well as the contracts signed with the artists. SQL database and Winform application were deployed to allow the registration and management of the information.

Analyst and Developer

So Cal

Jul 2002 - Aug 2004 (2 years 2 months)

Led the development of e-commerce sites for clients which I directly assisted in the management of requirements and provided support in their deployment and maintenance. Due to the good work and support the clients extended the contracts so I can led them on the future requirements.

The administration give me higher responsibilities in the e-commerce area. The different e-commerce platforms was built using ASP .NET webforms, ASP .Net MVC, service integration, Web Services, javascript, jquery, Agile Methodologies, Unit Tests, C#, SQl Server, MySQL, So ware Engineer

Ministerio Educación Superior

May 1993 - Jan 2001 (7 years 9 months)

As an active member of the IT team, I designed and developed the first Cuban higher education web portal, which was the first of its kind in Cuba. The platform used was ASP and SQL server, the previous version used Access Database.

I installed the first intranet with more than 150 workstations and developed web applications to streamline management in the organization.

Education

Bachelor's degree, Computer So ware Engineering

1993 - 1998

Instituto de Comercio Exterior

Postgraduate, International Negotiation

2011 - 2012

Instituto de Comercio Exterior

Postgraduate, Organizational Leadership

2011 - 2012

University of Havana

Adrian Seijas - page 3

Postgraduate, Microso .Net Technology

2001 - 2001

Ministerio de Educación Superior

Postgraduate, Project Management

1999 - 1999

Skills

Web Development • OOP • Database Design • SQL • NoSQL • So ware Development • Domain-Driven Design

(DDD) • .NET Framework • Team Leadership • Learn New So ware Quickly Adrian Seijas - page 4

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