LUIZ GADELHA

**** ***** *** ****** • Fairfield, Iowa 52557

641-***-**** • adg6u8@r.postjobfree.com • www.linkedin.com/in/luiz-gadelha DATA ANALYST JAVA DEVELOPER BIG DATA DEVELOPER

Meticulous Java Developer/Data Analyst and Big Data Developer with 8 years of experience developing and implementing data analysis, java and c++, designing and developing innovative applications and programs by leveraging visual analytics dashboard management expertise using Agile culture for teams for software development and teams work. Motivated team member who thoroughly performs analysis and implements BI and Data Analytic s technologies. Well trained in Java project development using latest technologies such as Spring, Hibernate, and MongoDB as well as Java, Python, Shell Scripting, SQL, PostgreSQL, and Hadoop. Helped to institute the agile culture in all contexts in which he acted. Data Analysis • Big Data • Hadoop Cluster Administration Java Programming• Real-Time Systems• Dashboards • Data Structures / Collections • Object-Oriented Programming • Agile Culture, •Linux Shell scripting Languages: C/C++, Java, Python, R

Web: HTML, PHP, jQuery. HTML / CSS

Web and Application Servers: Apache Tomcat

Frameworks: Spring, Hibernate, Mockito

Databases: MySQL, PostgreSQL, Oracle., Mongo DB.

Design Patterns: Singleton, Factory, Strategy, Observer, Decorator. SDLC: Agile / Scrum Factory

Big Data: Hadoop

Tools: Git, IntelliJ, Maven, Trello, StarUML

Platforms: Linux, Windows

CAREER NOTE: Completed on-campus studies and currently taking distance education courses to complete a Master's Degree in Computer Science (Available for full-time, W-2 employment). PROFESSIONAL EXPERIENCE

TECNISYS, Brasilia, Brazil • 2018-2019

Technology company specializing in database and big data solutions. Hadoop Cluster Administrator

Responsible for building, maintaining Hadoop Clusters on Tecnysis Clients. Usually, the clients were governmental institutions or banks and they had PentaBytes of data flow per day. In addition to installing and maintaining the clusters, I was responsible for teaching the clients on how to use the Hadoop tool:

(Hive, Spark, Zeppelin, etc)

Tasks Performed:

Created A&D projects

Prepared reports.

Managed Hadoop clusters for clients.

Created Java solutions especially for web apps linked to Hadoop clusters

Created Big Data Analytic Solutions for clients.

Developed lesson plans and taught clients on Hadoop solutions

Created Linux Shell Scripts to automatize the installation of Hadoop Clusters Achievements:

Automated process for management cluster.

Identified and resolved numerous issues related to Hadoop clusters.

Taught many clients on Big Data concepts and Technologies. Technologies Used: Shell Scripting, SQL, Java, PostgreSQL, Hadoop, Scrum. Resume

NATIONAL SCHOOL OF PUBLIC SERVANTS LEARNING, Brasilia, Brazil • 2017-2018 School for public servants.

Business Intelligence Analyst

Designed demographic studies with BI technologies. was responsible for developing Business Intelligence, Big Data studies using the data from the public servants in Brazil. I used Pentaho for Data mining, Python, and R for developing data science studies using python, AWS, and Hadoop for storing and loading data.

Tasks Performed:

Generated and prepared reports.

Built database for data mining.

Created web dashboards for BI studies.

Created Datascience study with the ambulance system using python and AWS.

Managed the work of the teams.

Achievements:

Spearheaded design of BI analysis and dashboards using demographic data.

Contributed to development of Dynamic Web platform used by the community to extract information regarding the public service in Brazil.

Initiated the Agile Culture on the company by managing the work of the team as a Scrum Master. Technologies Used: R, Python, SQL, Pentaho, Python, AWS, Hadoop, Scrum. INOVA, Brasilia, Brazil • 2014-2016

Software company specializing in government solutions. Business Intelligence Analyst (2015-2016)

Responsible of building and maintaining the software system of the public Ambulance System in my city. There were some difficult on planning. I was a Java/C++ programmer and I had some skills on database administrations, but I conclude that the biggest problem was related on getting information rather than data. I propose that I would study Business Intelligence and Data Analytic so that the company would have richer and better information faster and updated, so that it could offer better and cheaper service. After that, the company increased the characteristic of data drivenness and had 30% reduction on fatal incidents related to the ambulance system.

Tasks Performed:

Created database for data mining.

Created python solutions for data mining

Created data-flow solutions to the dashboards of the ambulance system using java Spark.

Created visual solutions for the ambulance system in Brasilia/Brazil

Initialize the data culture in the company

Lead the software Scrum Team

Developed reports.

Achievement:

Initiated analysis and optimization of ambulance system.

Created dashboards for real time visualization of the ambulance system:

Reduced the cost of the ambulance system by 30% and increased the performance of the system as well.

Technologies Used: SQL, Oracle, Python, Pentaho, Java Spark, Hadoop,Scrum. Intern (2014-2015)

Contributed to different phases of projects.

Tasks Performed:

Prepared and presented reports.

Created BI studies.

Implemented database management.

Achievements:

Implemented optimizations on C++ systems.

Managed database.

Resume

Technologies Used: SQL, C++, Oracle Database Systems. ACADEMIC PROJECTS

MUI CarRent, MIU (2020): Developed web platform with Java Spring to manage car rental process. Technologies Used: Java / J2EE, CSS, Spring Boot, MySQL, Git, Maven, Ajax, JSON, JavaScript, jQuery, RESTful Web Service, XML, Spring Tool Suite. Big Data Analytics, MIU (2020): Created presentation on Bayesian Belief Network to give examples of big data systems. Technologies Used: R Studio.

Big Data Technologies, MIU (2020): Developed presentation big data technologies. Technologies Used: Spark Stream, Hive, Zeppelin, Impala.

EDUCATION

Master of Science in Computer Science

(In progress via distance education; expected completion (2021) Maharishi International University, Fairfield, Iowa Key Courses: MPP, Big Data Analytics, Big Data

Bachelor of Science in Mechatronics Engineering (2016) University of Brasilia, Brasilia, Brazil

Certifications

Scrum Master (2017)

Resume

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