UnitedHealth Group / Optum

Project:

Skills: Cloud Computing, Mentoring, Benthos, Apache Kafka, Snowflake, Microsoft Azure, Apache Spark, Java

Description:

• Mentoring a new team to develop PoCs and Spikes using different technologies and designs.
• Design and hand-on mentoring a solution that normalice and standardise data from hundred of different formats into a common schema into Snowflake, first version using BigData technologies (Spark/Scala) and second version using even-driven cloud-native technologies (Azure Functions, EventGrid, etc.)

The Block

Project:

Skills: Scala, Java, Architecture

Description:

• PoC for a Cryptocurrency Exchanges data ingestion Architecture, Design, and Implementation using Google Cloud Provided (mainly Google Data Fusion and BigQuery) technologies and Scala. GCP services comparison (ex. DataPoc and DataFlow) were included in the PoC.

UnitedHealth Group / Optum

Project: Stars

Skills: Scala, Java, Linux, Architecture

Description:

• Implementation of best practices and SDLC.
• Standardization and rearchitecting of processes.
• Reduction of FTE in data processing through generic framework and processes in Spark.
• Design of Cloud Migration Action Plan.
• Metadata driven ingestion framework Arquitecture, Design and PoC implementation.

Dun and Bradstreet

Project: Direct+ Monitoring

Skills: Python, Scala, Spark, Java, AWS, Cascading, Oozie

Description:

• Decoupling pipelines via AWS services.
• SnowFlake pipelines.
• Cascading pipelines.

Swiss Re

Project: Working on different PoCs

Skills: Java, Azure, FaaS, SWIFT message files, Python, Scala, Databricks, Spark

Description: Design and implementation of different PoCs related to:

• Function as a Service (FaaS) and Event-Driven architecture.
• Spark and microservices integration and Spark processing in Scala vs Python, PySpark and Pandas.

Dun and Bradstreet

Project: Platform prime

Skills: Scala, Spark, Java, AWS, Cascading, Oozie, Avro, Hbase, ORC, etc...

Description: BigData lake that collects data from data providers and exposes it in a homogeneous format.

Nitro Software Inc.

Project: Analytics

Skills: Scala, Spark, AWS (EMR, Athena, Data Pipeline, etc...), Play.

Description: Collection, processing, and reporting Desktop/Cloud/Services events.

Project: Simplex Spatial - The Reactive Geospatial Server

Skills: Scala, Akka.

Description: Consolidation of different personal oss projects related with GIS into a reactive geospatial server. This include improvement of different algorithms over spatial networks and concurrent / parallel processing, clustering, sharding, etc.

• https://github.com/simplexspatial/simplexspatial
• https://github.com/angelcervera/spatial-network-labs
• https://github.com/angelcervera/poc-drivingdistance

Project: Osm4scala

Skills: Scala, OpenStreetMap, Google Protocol Buffers.

Description: Scala library focus in parse and manipulate PBF2 OpenStreetMap files.

• https://simplexspatial.github.io/osm4scala
• https://github.com/simplexspatial/osm4scala
• https://github.com/simplexspatial/osm-facts

Dun and Bradstreet

Project: Direct+ Search

Skills: Agile project using Scrum, Scala, Spark, ElasticSearch, Java, AWS (EMR, Elasticbeanstalk, etc...), Spring, Rest services with Jax-RS / Jersey, Python, Cascading

Description: API to almost real time search in the D&B full data set. I participated in all components of the product the indexing process, the Rest API, infrastructure, design etc.

EMC

Project: Metering and monitoring

Skills: Java, spring-integration, RabbitMQ, Hadoop, HDSF, Zookeeper, PIG, MongoDB, Greenplum, linux (Ubuntu Server / Desktop), SVN, Junit, Maven, scrum, agile, Spring-Mvc (RestFul), Ambari, Nagios, Ganglia.

Description: As part of an international BigData project, we built the software to collect and show metrics and monitoring the whole system, from the ingestion process to the analysis, gathering system information and business information.

EMC

Project: BigData Lake / ECPS

Skills: Java, spring-integration / microservices, RabbitMQ, Hadoop, HDSF, Zookeeper, Sqoop, PIG, MongoDB, Greenplum, linux (Ubuntu Server / Desktop), SVN, Junit, Maven, scrum, agile, Spring-Mvc (RestFul).

Description: As part of an international BigData project, we built the software to collect and analize a large ammount of heterogeneous data files gathered from a lot of different systems. This ingestion application was designed with a set of microservices communicated via RabbitMQ. With this data, EMC was capable of analyzing and extracting a lot of different information, like predicting possible problems in EMC customer's servises and devices, report usage to different platforms, etc...

elocalia

Project: Real Estate Analytics

Skills: Java, JavaEE Stack (JAXRS, JPA, EJBs, JAXB, etc), Postgresql, Postgis, PGRouting, OpenStreetMap, HStore, Geotools, Leafletjs, jquery, javascript, dustjs, Restful, html5, css3, bootstrap, Geojson, linux (Ubuntu/Server / Desktop), Mercurial, Glassfish, TestNG, ant, ivy. Other tools and frameworks tested Cassandra, ElasticSearch, Infinispan, BigMemoryGo, Trove, BerkeleyDB, Tinkerpop stack, Titan, OrientDB, Neo4J

Description: We built a technology platform for a new Real Estate company, based in BigData, Data Mining and GIS, used in the automation of search premises and calculation of ideal places for new business, depending on the marker sector, demographic data, sociological data and public survey data. As technical lead, I tested a lot of big data and data mining tools, always from the point view of Geospatial data.

Silyan Software

Project: Silyan Spatial

Skills: Java, Hadoop MapReduce, Tinkerpop Blueprints, Thinkaurelious Titan, Hbase, Cassandra, OpenStreetMap, JTS (Java Topology Suite), Geotools, linux (Ubuntu Server / Desktop), Mercurial, TestNG, ant, ivy.

Description: I built a service to calculate influence areas (Driving Distance) using distributed memory graph network to obtain incredible performance and replace pgRouting solutions. It has two different modules:

• The service used to calculate areas in real time, based in graphs.
• The Hadoop architecture to prepare optimized graph based in OpenStreetMap data.

Carrefour

Project: Retail/Franchise premises

Skills: Java, JavaEE Stack (JAXRS, JPA, EJBs, JAXB, etc), TestNG, ant, ivy, Rhino, JSR-223, Postgresql, Postgis, PGRouting, NavTeq, Geoserver, OpenLayers, jquery, javascript, Restful, html5, css3, WMS, Geojson, linux (Ubuntu Server / Desktop), Mercurial, Glassfish.

Description: We built a tool for automation, analysis and reports of commercial premises to calculate sales previsions and search ideal locations, based in real time, programmables and parameterizable equations.

GeoSpatial Training

Project: OpenSource GIS technologies

Skills:

Description: I was the instructor in the course “Open Source GIS Bootcamp” for Spanish speakers and English speakers people not needed.

DataCentric

Project: Tuwebmap

Skills: Java, JavaEE Stack (JAXRS, JPA, EJBs, JAXB, etc), TestNG, ant, ivy, Postgresql, Postgis, PGRouting, OpenStreetMap, Geoserver, OpenLayers, jquery, javascript, Restful, html5, css3, WMS, Geojson, linux (Ubuntu Server / Desktop), Subversion, Glassfish.

Description: We built a web application to exploit existing “big data” database with heterogeneous information. This data is related with geospatial information and users can generate new data creating new shapes and recalculating new data based on the existing.

Arcobaleno 2000

Project: www.arcobaleno2000.com

Skills: Java, JavaEE Stack, maven, Spring (spring-code, spring-security, spring-dao, spring-mock, etc.), jquery, javascript, html, css, Geojson, linux (Ubuntu Server / Desktop), Subversion, Glassfish, mysql.

Description: We built an ecommerce and CRM solution based in the first version of SimplexPortal platform, with a strong integration of Microsoft Navision.

Meyem

Project: Meyem Online / GIS Module

Skills: Java, JavaEE Stack (JAXRS, JPA, EJBs, JAXB, etc), TestNG, ant, ivy, Postgresql, Postgis, Geoserver, OpenLayers, jquery, javascript, Restful, html5, css3, WMS, Geojson, linux (Ubuntu Server / Desktop), Subversion, Glassfish.

Description: Meyem is one of the most important geomarketing companies in Spain. We built the CRM, ERP and GIS applications for this company. In addition to the more typical features of CRM, ERP and GIS, this application is used for planning, coordination, monitoring and reporting of leaflets distribution in all of Spain.

Silyan Software

Project: SimplexPortal

Skills: Java, JavaEE (JAXRS, JPA, EJBs, JAXB, etc), Spring (spring- code, spring-security, spring-dao, spring-mock, etc.), maven, Junit, TestNG, Oracle database, Postgresql, MySQL, Portlets, Jackrabbit, JSR170, JSR283, JSR286, jquery, javascript, dustjs, velocity, Restful, html5, css3, bootstrap, linux (Ubuntu Server / Desktop), Mercurial, Glassfish, Auth2.

Description: This is my more ambitious project. It's a complete CMS/ECOMMERCE SAAS hight performance solution, developed from scratch and based in JavaEE technologies. We Started the project in 2008 after testing solutions like liferay, alfresco or magnolia, my team and I developed a CMS based in de facto standard technology. Looking for a SAAS solution and an easy SDK, we refactoring first version and removing completely Spring, Portlets, JSF and JCR, we have obtained an incredible hight performance and UX platform.

Panama Government

Project: Marina Mercante/Gente de Mar

Skills: Java, JavaEE (jsp, jstl, servlets, etc.), Spring (spring-code, spring-security, spring-dao, spring-mock, etc.), struts, ant, Ibatis, Oracle database, Tomcat, Weblogic.

Description: We work in the refactoring of applications used by Panama Government for the management and expedition of authorization cards. We added features of I18N using Java standards. Also, I coordinated translators and developers and for this proposed, we built an automatic process to find all resources, generate excel files, send files to translators and the reverse process.

Panama Government

Project: Biometric suitcase

Skills: Java, JavaEE (jsp, jstl, servlets, etc.), Spring (spring-code, spring-security, spring-dao, spring-mock, etc.), struts, ant, Ibatis, mysql database, Tomcat, webservices.

Description: We built software for a mobile biometric suitcase (basically, a fireproof, dustprooff and waterproof suitcase with a 3G netbook and various devices connected), used to capture data (fingerprint, signature, passport photo, etc), storages this data locally and sends it to the central servers when the suitcase has an Internet connection.

ArcelorMittal

Project: Framework agreements

Skills: ava, JavaEE (jsp, jstl, servlets, etc.), Spring (spring-code, spring-security, spring-dao, spring-mock, etc.), struts, maven, Hibertante, Sqlserver database, Tomcat, Websphere, webservices, SharePoint.

Description: We built the ERP used to manage and negotiation of framework agreements with commodities providers. In this project, the main difficulty was integration between SAP, SharePoint and our application.

Mexico Government

Project: Business Intelligence Module

Skills: Java, JavaEE (jsp, jstl, servlets, etc.), Spring (spring-code, spring-security, spring-dao, spring-mock, etc.), struts, ant, Ibatis, Oracle database, Tomcat, Weblogic, JasperReports.

Description: We built the business intelligence module integrated with the application used for the generation and management of Mexican Passports.

International Council for Game and Wildlife Conservation

Project: CIC Wildlife

Skills: Java, JavaEE (jsp, jstl, servlets, etc.), Spring (spring-code, spring-security, spring-dao, spring-mock, etc.), struts, maven, JDO, Mysql, Tomcat, JasperReports.

Description: We built an ERP used for the management, publication and certification of international hunting trophies.

NaturalCom

Project: NCRouter

Skills: Java, J2ME, Bluetooth, RPC, WebServices, Anoto Digital Pen Technology.

Description: We built a mobile router, that gets information from Anoto Digital Pen, stores this information in the mobile device and resends the data to a specific URL when 3G connection is available. In server, we implement a configurable proxy who process and resend data, depending of the configuration and the data patterns.

Amena

Project: Natural Notes

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, MySQL, Anoto Digital Pen Technology.

Description: We built an application based in Anoto Digital Pen Technology, that synchronizes handwritten book with an online digital version (in pdf format).

HCI International

Project: Booking tool

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, MySQL.

Description: We built a booking and ERP application for HCI International, broker between hotel chains and tour operators.

Calidad De Hogar

Project: Calidad de hogar

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, MySQL.

Description: We built a CRM/ERP developed for the home services contractor company, specialist in foreign personal service. This application manages meetings, personal skills, customer request, etc.

IP Soluciones

Project: puntoinmobiliario.com

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, Postgresql.

Description: This application was a site and a CRM/ERP for a real estate company. I built the online search module.

Ancades

Project: Inventory and Bidding

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, Mysql.

Description: We built a simplex CMS module to edit the inventory and bidding of horses.

Cyrus

Project: Cyrus

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, Mysql.

Description: We built a CRM/ERP for horse studs management.

Crédito y Caución and IBM/INSA

Project: Technical Lead

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS.

Description: I was the technical lead and java expert, responsable of IBM projects in Crédito y Caución. Mainly, we built a frontend and proxy between internal services developed in COBOL and the final user.

Danone

Project: Danone Yellow Pages / Danone White Pages

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, LDAP.

Description: We built a human resource portal and intranet with profiles and skills of employees and providers.

Innova Solutions

Project: Glaciar / LogHost

Skills: Java, PERL.

Description: We built an application for analysis and exportation of log systems.

Espasa Calpe

Project: Campus Home English / CEAC English

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, SQL Server.

Description: We built the first version of the elearning portal of Home English and CEAC.

IP Soluciones

Project: For a luxury Reale estate company

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, Postgresql.

Description: We built a CRM and real estate Portal.

Santander Bank

Project: Security module

Skills: Java, Swing, AWT, J2EE, JSP, JSTL, Servlets, HTML, CSS, Oracle, Weblogic.

Description: We defined and developed the security standard for applications at treasure department.

Santander Bank

Project: Contract Management

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, Oracle, Weblogic.

Description: We built an application for management and evolution control of contracts between risk and legal advice departments.

Santander Bank

Project: Subcontracted employees timecard

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, Oracle, Weblogic.

Description: We built an application to management and timecard for subcontracted employees.

Santander Bank

Project: Warrants

Skills: Java, Swing, Tibco.

Description: We built an application to realtime management and monitoring of Warrants product transactions.

Santander Bank

Project: Fixed income securities management

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, Oracle, Weblogic.

Description: We built the software used to manage the product “Fixed income securities” for wholesalers brokers.

Santander Bank

Project: Equity funds management

Skills: Java, J2EE, JSP, JSTL, Servlets, HTML, CSS, Oracle, Weblogic.

Description: We built the software used to manage the product “Equity funds” for wholesalers brokers. This was my first project as a Freelance and the first project developed in Santander bank using java technologies. But Java is here to stay!

Asturias Government

Project: asturias.es

Skills: Java, JavaEE, Spring (spring-code, spring-security, spring- dao, spring-mock, etc.), maven, Junit, Ibatis, Oracle database, Oracle Application Server (OC4J), Oracle BPEL, Portlets, Vignette.

Description: In this parenthesis as a Freelancer, I was a member of “The core team”, a selected twelve people team, responsible for the architecture and framework used in all applications developed for the government of The Principality of Asturias.

Qarana Solutions

Project: Diversia

Skills: Java, ant, Javascript Server Side (With broadvision), Oracle database

Description: Thanks to the philosophy of the company, in that time I learned a lot about new trending of software development.Ecommerce, worldwide leader, specialist in DVDs, books y CDs, using Broadvision Javascript server side and oracle technologies.

Qarana Solutions

Project: Banca Credem

Skills: Java, ant, Javascript Server Side (With broadvision), Oracle database

Description: Home banking developed in Italy using Broadvision Javascript server side and oracle technologies.

Qarana Solutions

Project: Patagon Aggregator

Skills: Java, ant, Javascript Server Side (With broadvision), Oracle database

Description: I became the team manager in an important project for Patagon. Multi-bank Portal (aggregator) for Patagon using Java.

Indra

Project: Telefónica

Skills: C++, Visual C++, Oracle Database, PLSQL, DBASE, Big Data.

Description: I worked in the migration of large part of the computerization of Telefónica, from a COBOL/DBASE system to C++/Oracle, developing a complex and large batch process for big data manipulation. Sometimes younger people think that Big Data is something new, but this is an example of Big Data in the past century! And yes, using technologies of the past century. We wished to have Hadoop!

Xtrem

Project: El corte Inglés

Skills: C++, Visual C++, MFC, Cristal Reports, SQL Server.

Description: This was my first paid project as developer. Basically, the project was computerizing of a department of “El Corte Inglés”, an important Spanish company. It was a typically three layer architecture based in Microsoft Technologies.

Project: MaiFeed

Skills: Java, JavaEE (JaxRS, EJB), HTML5/JavaScript, Titan Graph Database (Cassandra / ElasticSearch), TinkerPop Blueprints Graph Stack, Facebook API, OAuth 2.0.

Description: Maifeed is a free “reader” dedicated to Facebook Fan Page posts. When a person following your Fan Page subscribes to Maifeed, we deliver 100% of your post to them. In this moment, we are in the first stage of the startup project.

Project: Dust-fw

Skills:

Description: Dust-fw is my own new architecture based in a complete decoupling of the user interface and the backend. This Architecture is based on SOAP, but using RestFul and a simplification of messages. This architecture has been used in my last three projects successfully in conjunction with dustjs and JAXRS.

Project: Berta

Skills:

Description: Berta is a data-driven design tool that transform a simple set of XML metadata files in a complete JavaEE application. Thanks to this tool, a lot of projects (mainly ERPs and CRMs) have been able to implement in a very short time (approx, 80% than with other methodologies and tools).