Cristian Makoto Sándiga Llocclla

- Develop digital credit-card product from scratch working on billing and payment modules.(https://pagseguro.uol.com.br/conta-digital/cartao)
- Help to hire the best talents as interviewer applying white board, design system and data structure test.
- Migrate Merchant Category Code system to micro-service in our spare time to automatize 100% manual process.
- Develop EDI files from scratch to help our customer in conciliation process.
- Contribute to develop a library that helps… Mostrar más

- Develop digital credit-card product from scratch working on billing and payment modules.(https://pagseguro.uol.com.br/conta-digital/cartao)
- Help to hire the best talents as interviewer applying white board, design system and data structure test.
- Migrate Merchant Category Code system to micro-service in our spare time to automatize 100% manual process.
- Develop EDI files from scratch to help our customer in conciliation process.
- Contribute to develop a library that helps developers monitoring micro-services.
- Create library to mock request/response, we create a extension from http://www.mock-server.com/ to reload mocks in real time using json files.

Technical skills: Java 8, Spring boot, Spring Cloud, Spring batch, Mesos, Marathon, NodeJS, RabbitMQ, Kafka, Micro-services, google protobuf, mock-server, event driven architecture. Mostrar menos

Working in the Collector team, our mission was built different collectors like Facebook, Hypervisor-ESXI, BigIp, Mainframe, Ping, InfoBlox, MQ, etc, to monitoring the bank infrastructure and collecting to our big data system.

Evaluate Chef as our new automatization tool. I worked developing chef features as compliance, job scheduling and migrating some bash scripts to chef recipes. Choosing different technologies for each feature and implementing itself.

Technical skills:… Mostrar más

Working in the Collector team, our mission was built different collectors like Facebook, Hypervisor-ESXI, BigIp, Mainframe, Ping, InfoBlox, MQ, etc, to monitoring the bank infrastructure and collecting to our big data system.

Evaluate Chef as our new automatization tool. I worked developing chef features as compliance, job scheduling and migrating some bash scripts to chef recipes. Choosing different technologies for each feature and implementing itself.

Technical skills: Java, Scala, Spring Boot, Redis, Storm, Kafka, ElasticSearch, LogStash. Mostrar menos

Melt is a DSP that use Real Time Bidding technology and Big Data, receive around 20 billion of request per day and store 400GB of data per day. So, performance matter (http://www.aerospike.com/press-releases/melt-dsp-selects-nosql-aerospike-to--growth/).

Working closely with data science we implement some machine learning algorithms to improve the purchase of qualified inventory.
- Classification what domain is the best for each metric as A, C, M, etc.
- Projection of… Mostrar más

Melt is a DSP that use Real Time Bidding technology and Big Data, receive around 20 billion of request per day and store 400GB of data per day. So, performance matter (http://www.aerospike.com/press-releases/melt-dsp-selects-nosql-aerospike-to--growth/).

Working closely with data science we implement some machine learning algorithms to improve the purchase of qualified inventory.
- Classification what domain is the best for each metric as A, C, M, etc.
- Projection of impression for next hours.
- What campaign will paid better for bid request.
- Refactoring mathematical bid decision algorithm.

Migration main platform built in JSF + EJB to Spring Boot + AngularJS and Java 8
Develop modules of campaign, banners, reports using Apache POI and ActiveMQ. We reduce from 3h to 15 minutes for setup campaigns.

Code some bolts in Apache Storm for streaming process of profile for each DMP.
Automate boring stuff with python, from s3 third party information and enrich into aerospike.

Implement unit testing using JUnit and mockito, code review, pair programming (is amazing!).

Deploy, Setup, configuration and monitoring EC2 instances in AWS.

Technical skills: Java 8, Jetty, Python, AngularJS, ActiveMQ, Spring Boot, Redis, Cassandra, Storm, MongoDB, Aerospike, RedShift, Flume and a POC Kafka. Mostrar menos

Develop API for comparation credit cards http://www.moneyguru.com.br/comparador/tabela-cartao-credito/. Develop istrative module for excel . Search in apache Solr (Facets). Help to improve and add some feature for credit card comparison algorithm (Ranking, benefits, etc). Improve the site with refactoring and unit testing.

Others
Help to build Web Crawler for extract information of health plans(Jsoup and Regex)
Integration with amazon API (CloudFront and S3) for images… Mostrar más

Develop API for comparation credit cards http://www.moneyguru.com.br/comparador/tabela-cartao-credito/. Develop istrative module for excel . Search in apache Solr (Facets). Help to improve and add some feature for credit card comparison algorithm (Ranking, benefits, etc). Improve the site with refactoring and unit testing.

Others
Help to build Web Crawler for extract information of health plans(Jsoup and Regex)
Integration with amazon API (CloudFront and S3) for images and invalidators
Tool for generate thumbs image in batch (Change format, quality and size ).
Develop module in Concrete5 for generate dynamic forms with PHP and JQuery

Tools:
Git, PHP, Spring (MVC, Core, Quartz), POI, REST, Maven, MyIbatis, MySQL, Memcached, Nginx, Apache Solr, Jquery, Tomcat, Linux, Mostrar menos

Line of Credit
Develop module of "Loan Application".

Help Desk Console
Develop a java web system that resolve some commons issues:
Store transfer, merge information of customers, modify wrong check numbers.

Spira migration to Testlink (java program)
Think a way to migrate the information Spira(Testing Tool) to Testlink, because each one work with a diferently database relationship. Modify some php classes because this have some bugs.

Proof of concept
I… Mostrar más

Line of Credit
Develop module of "Loan Application".

Help Desk Console
Develop a java web system that resolve some commons issues:
Store transfer, merge information of customers, modify wrong check numbers.

Spira migration to Testlink (java program)
Think a way to migrate the information Spira(Testing Tool) to Testlink, because each one work with a diferently database relationship. Modify some php classes because this have some bugs.

Proof of concept
I have to research about these technologies: Archiva repository, ZK framework, persistence of flow in database (Spring Web Flow), Integration of Drools guvnor and Activiti.

Tools
Struts, Spring, JPA, Hibernate, Ibatis, Ant,Hudson,Nexus Repository, Maven, JUnit, Oracle 10g. Mostrar menos

Grupo Sura (http://www.sura.pe/sura-peru.html)
- UAT .
- Define software development life cycle and best practices.

Sura Portal
- Improve report of quarterly status .

Sura Point Survey
Extract information of the different point of s(+8 databases extraction). I help to define the system architecture. I develop UI for execution the different , log error and re-execution. A third party software use this information to send… Mostrar más

Grupo Sura (http://www.sura.pe/sura-peru.html)
- UAT .
- Define software development life cycle and best practices.

Sura Portal
- Improve report of quarterly status .

Sura Point Survey
Extract information of the different point of s(+8 databases extraction). I help to define the system architecture. I develop UI for execution the different , log error and re-execution. A third party software use this information to send the survey asking about the quality customer service.


Tools: Spring, Struts, SQL 2008,AS400, WAS 5 y 7 Mostrar menos

Babaria & Bancolombia (Colombia)- Schedule Payments Component
I develop a new component for to send the summary of daily payments by FTPS . I research Spring Quartz for schedule the generations of payments files with determinate time and JCraft to send all the information by FTPS.

BBVA (Perú) - Advancement Bill Payments
I schedule jobs(Spring Quartz) for receive by FTPS files for open, block and reopen bank s as well as send files for advance payment bills and rejected… Mostrar más

Babaria & Bancolombia (Colombia)- Schedule Payments Component
I develop a new component for to send the summary of daily payments by FTPS . I research Spring Quartz for schedule the generations of payments files with determinate time and JCraft to send all the information by FTPS.

BBVA (Perú) - Advancement Bill Payments
I schedule jobs(Spring Quartz) for receive by FTPS files for open, block and reopen bank s as well as send files for advance payment bills and rejected payments.


Tools : Spring, Quartz, JCraft, Struts, Servlets, Ibatis, DB2, WAS7, MQ Tools. Mostrar menos

- Provide end s technical .
- Install and setup PC's(Windows and Linux).