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Ioana Grigoropol, Java Developer in Las Palmas de Gran Canaria, Spain
Ioana Grigoropol

Java Developer in Las Palmas de Gran Canaria, Spain

Member since December 23, 2013
Ioana is an experienced software engineer with a Master of Science degree in Artificial Intelligence. She has experience with J2SE, Ruby on Rails, Python, Flask, and Django. She is passionate about machine learning, natural language processing, and semantic analysis; analytical by nature, she is a dedicated problem solver.
Ioana is now available for hire

Portfolio

  • Genesys
    Python, Flask, NLTK, SpaCy, Rasa, Snips
  • Genesys
    Python, NLTK, API.ai, Sci-kit, Rasa-nlu
  • Yammer
    Ruby on Rails, OpenNLP, Node.js (Hubot), Neo4J, Wavefront, PagerDuty...

Experience

  • Linux, 7 years
  • Java, 6 years
  • Object-oriented Programming (OOP), 6 years
  • Design Patterns, 6 years
  • Agile Software Development, 3 years
  • Machine Learning, 3 years
  • Eclipse RCP, 3 years
  • Natural Language Processing (NLP), 1 year
Las Palmas de Gran Canaria, Spain

Availability

Part-time

Preferred Environment

OS X, PyCharm, Python, IntelliJ, J2SE

The most amazing...

...thing I've coded is an expert system that is able to provide a diagnostic based on input symptoms.

Employment

  • Dialog Systems Tech Lead

    2017 - 2018
    Genesys
    • Developed a state of the art dialog system for conducting directed dialog, intent detection, entity extraction and frame filling from zero, and grew it into a standalone project, with a team of 10 people under my direction.
    Technologies: Python, Flask, NLTK, SpaCy, Rasa, Snips
  • AI Programmer & Researcher

    2016 - 2017
    Genesys
    • Developed modules using state-of-the-art natural language processing and machine learning techniques.
    Technologies: Python, NLTK, API.ai, Sci-kit, Rasa-nlu
  • Software Engineer

    2014 - 2016
    Yammer
    • Supported back-end implementation of core services.
    • Began as a back-end Java engineer to work on a multitude of Dropwizard microservices that communicate with a large Ruby on Rails monolith. Over time, the architecture has evolved, the monolith has become much smaller, and the need arose to form a common team of back-end engineers with skills to support both platforms.
    • Contributed to the authentication and search domain teams.
    • Led technical efforts for an external files project.
    • Interviewed candidates.
    • Contributed to a number of small (2- to 10-week) projects as a back-end developer with tasks also in front-end, infrastructure, and automated testing.
    • Implemented Elasticsearch, Logstash, and Kibana frameworks to support all our service logging (application and system).
    • Implemented support for external files.
    • Redesigned data export functionality, replacing the old export stack and improving reliability.
    • Made searching faster, improving the rendering of search results.
    • Supported external group related features with Flexternal.
    • Implemented rules for the access control library for accessing resources in Java (similar to the existing Ruby one).
    • Monitored and intervened when alerts went off while providing on-call support.
    • Developed a multitude of hacks, mostly around interactive bots, for hackday projects.
    Technologies: Ruby on Rails, OpenNLP, Node.js (Hubot), Neo4J, Wavefront, PagerDuty, NewRelic, Java, Ruby, JRuby, Dropwizard, rx.Observables, Elasticsearch, Logstash, Logstash-forwarder, Kibana, Maven, Jenkins, Teamcity, Travis, Capybara, Selenium, IntelliJ
  • Linux Software Engineer

    2012 - 2013
    Intel Corporation
    • Maintained and developed new features for the Yocto Eclipse Plugin using open-source technologies (RCP, PTP, TM, RSE, CDT), RCP API, and J2SE.
    • Developed and implemented a framework in Java, which allows remote project development, deployment, and running against the Yocto toolchain, and a custom OS built with the Yocto project.
    • Fixed Python GTK bugs for the Hob Yocto Interface as part of the Bug Scrub team.
    • Provided support for tickets opened by the open-source community regarding the Yocto project.
    • Created a testing framework for an Eclipse plugin, which included unit and integration testing.
    Technologies: Linux, J2SE, RCP, Eclipse API, Python GTK, Yocto toolchain, PTP, TM, RSE, CDT
  • Teaching Assistant

    2010 - 2013
    Polytechnic University of Bucharest
    • Helped create seminar materials for the study of design patterns (state, mediator, MVC, command, factory, singleton).
    • Taught the best practices for using development tools (Eclipse, SVN, debugging, profiling, linting).
    • Drafted project architecture, specifications, and assignments for each laboratory and for the final project of the course.
    • Taught best uses of JDBC, ResultSet, RowSet, and Hibernate ORM.
    • Taught POC for web services (STRUTS, servlets, JSP).
    Technologies: J2SE, Swing, J2EE, Design Patterns, SVN, Git, :og4j, Apache, Tomcat. JDBC, Hibernate, Java EE, Servlets, Web Services
  • R&D Engineer

    2011 - 2012
    Amiq EDA
    • Developed and implemented features for an Eclipse API-based IDE using Java Standard. These included content assist, hyperlinks, and source formatting.
    • Wrote test cases for the newly developed features, performed regression testing, and created documentation.
    Technologies: J2SE, RCP, Eclipse API, Verilog, VHDL, E
  • Software Engineer

    2010 - 2011
    E-Caesar
    • Developed an application capable of reading and processing data from an electronic CI used in Germany. Used the SAML protocol and three different programming languages: PHP, C# and Java.
    • Collected user cases from specifications, wrote documentation for the developed software and user documentation, and added support for several identity provider servers. Held discussions with clients to present new features and collected feedback.
    • Deployed a PHP project implemented in Magento and Typo3 to eCommerce sites.
    • Developed the server side of a complex media application written in Java Standard. Tasks included migrating the database from Oracle to PostgreSQL, re-writing stored procedures using Hibernate API, and implementing load balancing, mirroring and failover clustering.
    Technologies: PHP, Java, C#, SAML Protocol

Experience

  • Expert System for diagnosticating pulmonary diseases (Development)

    I developed an Expert System for diagnosing pulmonary diseases using Machine Learning techniques, and technologies such as Java, Jess(Clips), Mysql, and a PHP web interface for interacting with the system.

  • Co-reference and anaphora resolution (Development)

    I worked on identifying co-references and anaphora in Romanian texts using Natural Language Processing Algorithms, Symbolic and Statistical algorithms

  • Affective computing, Emotion recognition, Emotion simulation (Development)

    I developed an Affective agent that is able to interpret mimics and gestures from video and images, recognize human emotions and respond in a timely manner, through a 3D Avatar. The Avatar resembles the user and simulates emotions in response to the User.
    The project involved knowledge of Machine Learning, Artificial Intelligence, Graphics and 3D representation.

  • Hadoop processing of Big Data documents (Development)

    I have been involved in project for processing Big Data using Hadoop, Hive, Flume, Sqoop, Oozie, HDFS, and Map Reduce jobs.

Skills

  • Languages

    Python, Java, Scheme, Prolog, Ruby, Hibernate Query Language (HQL), Bash Script
  • Tools

    Eclipse IDE, Bitbucket, Vim Text Editor, Eclipse RCP, Maven, TeamCity, Logstash, IntelliJ, Tmux, Jira, logstash-forwarder, Apache Ant, Sqoop, Flume, Make, Apache
  • Paradigms

    Object-oriented Programming (OOP), Agile Software Development, Object-oriented Design (OOD), Design Patterns, Functional Programming, REST, Test-driven Development (TDD), Continuous Integration (CI), Concurrent Programming, Dependency Injection, Declarative Programming, Test Automation
  • Frameworks

    Hibernate, Ruby on Rails (RoR), Dropwizard, Hadoop, JavaServer Pages (JSP), Machine Learning
  • Platforms

    Linux, Apache Pig, CentOS, Embedded Linux
  • Storage

    PostgreSQL, Elasticsearch, X-Hive/DB, HBase, Apache Hive, MySQL
  • Other

    Natural Language Processing (NLP), Maven XML, Big Data, Semantic Analysis
  • Libraries/APIs

    Jackson, OpenNLP, Eclipse Persistence

Education

  • Master's degree in Artificial Intelligence
    2010 - 2012
    Polytechnic University of Bucharest - Bucharest, Romania
  • Bachelor's degree in Computer Science
    2006 - 2010
    Polytechnic University of Bucharest - Bucharest, Romania
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