David Galstyan Email & Phone Number

Armenia

Engineering Manager, leading a diverse team of engineers in a high-output environmentSoftware Architecture - designs and documents system and software architectures for a variety of software productsSoftware Development - designs, develops, and documents software for server-side solutions, distributed systems, and web-based solutions.Algorithm Design and Development - designs and implements algorithms for machine learning, computer vision, big-data processing, and numerical optimizationAgile Development - leads development teams, establishes and oversees corporate Agile methodologiesLead Engineer for backend and frontend systems, guiding a team in executing the architecture and user experience

Yerevan

Technologies/Frameworks: JAVA, OAuth 2, REST.Databases: Oracle 12c; Workflow: Custom scrum; Component architecture low-level and high-level design. Code review and legacy code refactoring performing.Issues tracking.Reporting.

Yerevan, Armenia

Yerevan

Using best Android software engineering practices and architecture patterns to achieve this goal. Used a collection of libraries that help you design robust, testable, and maintainable apps.- Android Architecture Components, clean architecture with repository pattern, DI by means of Dagger 2- RxJava for reactive and functional programming.- Room DB- Custom UI widgets- Retrofit 2 + OkHttp3.X for network communications

Yerevan

-Design and maintain RoR code. Implement upgrades, patches, code releases, and database changes.-Oversee unit and functional testing, debugging, security, and documentation efforts.-Reviewed design and architecture of new applications and major system enhancements. -Wrote unit tests for mobile code and debugged critical application issues such as crashes, memory leaks, and concurrency problems.-Followed standard software development life cycle processes and participated in code reviews, building and executing unit test plans, and software packaging and deployment.Environment: Ruby, Ruby on Rails, Ruby Mine, Android SDK, JSON, Java, ADT Plug-in, Logcat, Android Studio.

Armenia Erevan

Responsibilities: 1.Responsible for consuming the JSON services, getting JSON response and parsing them to get the required information/2.Created Async Tasks for implementing multiple tasks in parallel application execution.3.Created Navigational Drawer for other app features.4.Worked closely with the application development team to ensure proper integration between mobile app and web services .Environment: Android SDK, JSON, Java, Eclipse, ADT Plug-in, DDMS, Logcat, Android Studio.

Armenia Erevan

Designed and developed a web site application using Java, JRuby, JavaScript(ExtJS), SQL under the Tomcat Framework. This system provides the latest in web technology to deliver real-time information about your enterprise schedule to your desktop.Created complex SQL and used JDBC connectivity to access the database.Responsibilities: • Used meta-programming to reduce coding time by more than 90% in the creation of forms. • Database modeling and design. Involved in developing and implementation of the web application-using Ruby on Rails. • Used Restful API to gather sales related data for products. • Worked on translating the Client's business requirements to high level design specs and used design patterns • Extensively used Core Java API, Spring API in developing the business logic • Developer Object Relational mapping (ORM), CRUD, and created active record models Using Active Records. • Full stack development of new features of project using Ruby on Rails based on the client requirements.Languages/Methodologies : Java, JRuby, JavaScript(ExtJS), SQLTechnologies : JDBC, Servlets, JSP, SAX/DOM, Web Services,Ant, SOAP, JasperReport, WML, HTML

Armenia Erevan

Develop detailed, accurate policy and procedures for all billing related tasks.Collaborate with the IT department related to billing changes, updates, and reporting needs.Generate program and individual provider reports on a weekly and monthly basis, as needed.Technologies : Oracle, Pl/Sql

Developed and maintained UNICUSWEBDesigned and implemented Oracle and Access databasesBroad working knowledge of Oracle 10g (technical & functional). Work and Developed and customized scripts that resulted in improved systems monitoring

Yerevan

Remote maintenance of a large Supply Chain Management System built on JSP and Oracle. The system was running on seven SUN Sparc servers (three databases and four application servers).Responsibilities: • Extensively used Core Java API, Spring API in developing the business logic • Extensively used Eclipse debugger in developing and debugging the application logic using the features like setting up the break points in the source code and variables tracing etc. • Involved in peer and lead level design/code reviews, thereby following standards • Compiled complex SQL queries required to fetch the data from Oracle data source • Prepared the Build Scripts of the project using Apache Ant • Migrated existing log4j framework used in project to logback while managing application logs