OBJECTIVE:

To find interesting job in software development where I can contribute to the project I can be proud of.

SUMMARY:

• 24 year of commercial hands - on software development
• Experience with development of b2b, entertainment, decision making and content management software
• Experience with development of distributed systems, full stack development of web applications, development of APIs, multiplatform client side applications and system software
• Experience with Windows and Linux, Python/Java/C++ stacks, SQL and noSQL DBs, various App Servers, distributed frameworks like Thrift and tons of APIs & SDKs
• Experience with working in startup companies. Understanding of startup culture
• Experience with outsourcing and geographically dispersed teams
• Worked on projects on my own / Led teams of 3 to 12 people
• There are number of projects I'm really proud to be a part of.

TECHNICAL SKILLS:

Architecture: distributed, backends, webapps

Stacks: Java (SE) / Python (Django) / C++ (Linux)

DBs: PostgreSQL / MySQL / CouchDB / MongoDB

UI: Actionscript, Javascript

Containers, Cloud: Docker, AWS

APIs: Web Services, Microservices.

Blockchain: Ethereum, Solidity 5, IoT

PROFESSIONAL EXPERIENCE:

Confidential

Senior Software Developer

Responsibilities:

• Creating Java Spring Boot streaming apps for new generation of API
• Creating data interface for Hadoop Data Lake
• Creating Python Airflow components
• Creating C# component to stream data

Confidential, LosAltos, CA

Full Stack Software Developer

Responsibilities:

• Moving the system from Heroku to AWS
• Moving static content to CDN (Fastly)
• Improving performance (full stack work: JS/CSS, # of calls to server, caching, DB)
• Hooking up analytics using Google Analytics and Google Tag Manager
• Developing new functionality (full stack: both for users & back office)
• Developed Ethereum smart contract for ICO using Solidity 5.

Software Developer

Confidential

Responsibilities:

• Designed and implemented caching subsystem
• Added support for GNIP 2.0 API
• Added support for Facebook private messages
• Developed internal API (Web Services/JSON)
• Developed business logic for various use cases
• Switched middle layer to RabbitMQ cluster
• Worked on internal message routing.
• Worked on reporting.

Confidential

Full Stack Software Developer

Responsibilities:

• Changed bridge implementation from Java to Python multiprocessing one. Added support for BACnet protocol and WebSockets interface.
• Implemented user analytics portal backend using Web Services using Jersey(JAX-RS)/ JAXB(XML)/Jackson (JSON).
• Added more functionality to web client using ActionScript. Some examples: heat maps, uploading & processing of images, some standard UI: grids, forms, graphs etc.
• Implemented build system for java components using Ant
• Added new features for pipeline J2SE servers & CouchDB
• Implemented a solution to intercept videos with pre-roll, mid-roll, or post roll ads for flash and non-flash players with ability to collect stats (Javascript, Piwik)
• Created light web client using AngularJS

Confidential

Software Developer /Architect

Responsibilities:

• Built using: Python/Celery using RabbitMQ as a broker. MongoDB for analytics, PostgreSQL for content, Redis as cache. Django/Backbone for webservers.
• Gensim for topic modeling. Interfaces with Eloqua, Salesforce, Embedly, Twitter & Linkedin. Exposes its own REST API. Hosted on Amazon: EC2 & S3.
• Initial architecture & 2 major refactorings to address performance & scalability issues
• Algos for content prediction. Work with the creator of gensim library on topic modeling
• Mailer. Solution for fast rendering and sending large amounts of emails.
• A lot of day-2-day work on content & analytics involving both DBs & app servers.
• API for frontend
• Interfaces with 3rd party systems: Twitter, LinkedIn, Eloqua using REST/OAuth2

Confidential

Software Developer

Responsibilities:

• Development of middle layer servers (large scale data processing/caching/transport) using C++ & Python as an API for front end
• Worked on both framework-type tasks & service specific tasks.
• Created common framework (hosting, routing, version control, upgrades etc.) for a set of middleware servers (C++, STL, Boost, Thrift)
• Was Involved in defining architecture of the whole system
• A lot of work on performance improvements

Confidential

Development Manager / Architect

Responsibilities:

• Architecture
• Management of 3 local teams (WebUI, DB, fat client)
• Management of remote team (music device)
• Several special projects (work on daily basis with developers)
• Performance improvements of game server for mobile clients
• Post-manufacturing sequence of automatic installation, self-configuration & registration of client music device
• Redesign of transport layer (New custom protocol, Apache MINA)
• Recommendation engine: for music search results (Java, C++, SQL Server)

Confidential

Team Lead Servers / Lead Developer

Responsibilities:

• At the early stage of the project, participated in creation of the prototype covering main integration points within the system. (Web Portal - DB - Game Severs)
• Defined technologies to be used in Java servers: wrapper for JDBC, implementation of AJAX, type & version of EJBs, type & version of JBoss.
• Communication link between Gaming Portal server and Gaming Proxy server. Proprietary binary protocol over TCP-IP, performance tuning, adjusting for use with clustered Oracle.
• Worked on replication of JBoss servers (AOP)
• Analyzed potential security issues in web servers using results of web site scan service emulating common hacker attacks
• Was responsible for certification of Java servers in order for them to work with payment processors (BIBIT & Pay Pal)

Confidential

Team Lead Servers /Lead Developer

Responsibilities:

• Designed and implemented common component to support card table games
• Design and implemented client framework: a set of components implementing non-game related functionality
• Partially (with another developer) designed and implemented an extension to the network protocol for support of multiplayer games.
• Designed routing layer within messaging subsystem
• Conducted design reviews for components
• Provided high-level design and implementation of the failover mechanism for distributed server application
• Participated (with another developer) in refactoring of transport layer of the system: mostly optimizing threading and resolving bottlenecks from performance tests

Confidential

Senior Software Developer

Responsibilities:

• Immersion cinema C++, MFC, STL, ATL, MSVC, DirectShow, Macromedia Director
• Poetic Dimensions (and a client) C/C++, IRIX, OpenGL Performer, TCP/IP, Windows, MFC
• Designed and developed key modules for the Immersion backbone using COM/ATL: data transfer module (own implementation of Reliable UDP protocol) and registration module
• Designed and developed new version of communication protocol between PDRT server and PDRT controller running on Windows.
• Designed and developed new user interface for PDRT controller.

Confidential

Senior Software Developer

Responsibilities:

• Developed end-2-end file transfer subsystem including work on low level (Winsock, TCP/IP), Hotline protocol (transactions), Hotline “middleware” (client and server file managers), GUI (transfer manager and file panes) and data (designed and developed XML structures, describing transfers).
• Refined low-level connection mechanism between the client and the server while working on the task above
• Added support for resumable transfers
• Designed and developed support for windows shortcuts for file sharing and transfers subsystems.
• Designed and developed Community and Service modules, key parts of the Hotline 2.0 architecture.
• Improved drag-n-drop support on Windows side.
• Developed several widgets, such as tables, trees, and special combo-boxes. All widgets were skinable and customizable via XML