Dmitry Orlov Email & Phone Number

November 2020 – Present, ML Engineer, Data Scientist. Grid Dynamics at Canadian Advertising Agency.Take part in the development of intelligent Ads cost AI recommendation system.Technologies: Python, Flask, Google Cloud Platform, Airflow, Google Analytics API, Google Ads API, MySQL

Took part in the development of the intelligent products recommendation system which is the core of the customers AI personalization platform.Technologies: Python, AWS, Pyspark, Tensorflow, Databricks, ALS NN ML Model, Airflow

Took part in the development of the AI Recommendation System for top title in-game purchases using the Reinforcement Learning approach.Technologies: Python, Facebook ReAgent the Reinforcement Learning framework, Snowflake DB, AWS.

Led the RnD project related to the usage of the most promising Reinforcement Learning frameworks such as Criteo RecoGym and Facebook ReAgent for Recommendation Systems.Technologies: Python, Criteo RecoGym and Facebook ReAgent the Reinforcement Learning frameworks.

Took part in the development of the highly customizable Automated Data Load ETL framework.Technologies: JDK 1.8, Spring Boot, AspectJ, SLF4J, Lombok, REST, SQL/NoSQL DB, IBM MQ, Docker, Git, Maven

Migrated Mainframe corporate back-office applications and routines (Logistics, Accounting, Point of Sale, Storehouse, etc) written in COBOL and IBM Assembler in native Java codebase using Deloitte Maxenso framework to be executed in Google Cloud Platform.Technologies: JDK 1.7, IBM Mainframe, HL ASM, COBOL, REXX, Deloitte Maxenso, Git, Maven.

Took part in the development of Self Service Performance platform which is used for performance testing execution management.Technologies: Java EE, REST API, JBoss, Docker.

Developed API REST gateway which provides unified API to connect all layers and subsystems of the eCommerce platform such as ATG web store backend, web and mobile clients, registry, wishlist, loyalty, etc. Developed the Orders and Inventory Delivery Systems which process customer’s orders in different status and synchronize products in the stock of the.

Took part in Loyalty subsystem development. Added new features for coupon usage and customer rewarding.Technologies: Java EE, Spring (AOP, Security, REST/SOAP Web Services, MVC), Swagger, ATG Nucleus, ATG Rest API, ATG Endeca, Oracle SQL, JBoss, Junit.

Developed using Java the Data Load Framework which is using by customer’s IT services for consistent data (ATG products catalog, stores information, promotions, etc) load and management from the single UI tool to multiple eCommerce layers and subsystems.Technologies: Java EE, Spring Hibernate, Oracle SQL, Spring (IoC, AOP, Jobs, Workflow, REST/SOAP Web.

Saratov, Russia

Developed using Java the core logic of the most advanced pricing engine for the largest USA eCommerce retailer network. The system includes such features as REST/SOAP multi-protocols endpoints, custom shipping rates, configurable product assortment, promo codes, flexible discounts configuration and combinability, hot operation and management in production.

• Designed architecture and leading software development of the Next Generation Automated Banking System that included multi-role, multi-tier remote web-clients workspace for bank employee provided full life cycle of.
• Architecture and design
• Leading software development
• Coordinate group of internal and outsourcing Java developers.Achievements:
• Migrated core backend logic… Show more - Designed architecture and leading software development of the Next Generation Automated Banking System that included multi-role, multi-tier remote web-clients workspace for bank.
• Migrated core backend logic from Lotus Domino to Java code and dramatically improved peak service performance.

- Developed modules of Integrated Automated Credit System for Sberbank, using technologies: Java J2EE, MVC, GWT, JavaScript, IBM Web Sphere, JSP, JSTL, Spring, JMS, JDBC, JNDI, Abstract Factory, DAO, Oracle SQL, SAX, Maven, Apache POI.

Saratov, Russia

- Led a team of system engineers and software developers responsible for design, development, test and integration of all levels of applications for mobile wireless networks.- Developed hardware architecture and wrote software for Color Ring Back Tone platform based on Cronyx E1 PCI-modules. Used tools and technologies: Linux kernel modules development.

Saratov, Russia

- In tandem with company-pioneer of CDMA technology led the project of implementation CDMA packet data service. MSC-side: CDR code, HLR code, VLR (CDMA service options support) code. BSC-side: CDMA layer code, TCP IP stack, Mobile IP address management. Application level: Service options support gateway, all generation of WAP stacks support, MMS.

Saratov, Russia

- Developed a real time control mechanism of CDMA IS-95 forward link to gain best quality of service by means of sectors overhead signals "breathing" and automatic adjusting CDMA IS-95 parameters of BSC and BTS (such as: vocoding rate, power estimate parameters, handoff parameters, access parameters, power control parameters and others).- Wrote in C++ a.

Saratov, Russia

- Designed and programmed CAS(R1/R2)/SS7/A-law/M-law signaling converter running on Lucent LNX EXS2000 switch and Sun Netra as host. Used tools and technologies: Solaris C++, EXS Basic API, ITU Q.- Adapted LNX EXS switch signaling formats to the national PSTN. PPL Tool and EXS LNX API were utilized.

Saratov, Russia

- Developed hardware architecture and wrote software for VoIP SIP-SS7-E1 signaling media gateway. Used tools and technologies: Linux kernel modules development, GNU toolchain, C/С++, JAVA.

Saratov, Russia

Developed billing system for largest regional telecommunication operator. C/C++, SCO Unix, Shell scripts.

W-Cdma And Cdma2000 Radio Interfaces

Bsee, Radio Physics And Electronics