My Professional Work

Contact Info

Alexander Riabokris    M.Sc.

Senior Technical Leader

Technical Expertise • Versatility • Strong Leadership
 

• Senior Level IT Professional with over 18 years of progressive experience in planning, architecting and implementing state of the art technology solutions
• Broad background in IT infrastructure, systems architecture, hardware, software design, application development, databases, networking and security
• Ability to assume a high level of authority, take complete technical responsibility for complex, large scale systems
• Unique blend of technical hands-on expertise, team leadership and a big-picture vision

Core Competencies 

Technical Well-rounded Technical Background Systems Design and Architecture Hands-on Full Software Development Lifecycle Data Design and Database Management Web-based Distributed Systems Network Infrastructure and Security

Business Leadership Team Building and Mentoring Enterprise Systems Planning Wide Scale Integration Projects Technical Project Management Strategic Planning and Assessment Hands-on Technical Leadership

Professional Experience

Technical Team Leader	2002 – present
Entrac Technologies Inc. / EFI Canada	Richmond Hill, Ontario

Accomplishments

Provided technical leadership and direction to cross functional teams, responsible for development of Enterprise Payment Transaction Processing System:

• Architected and implemented an enterprise solution with card-based access control and payment processing for self-service business equipment with over 4,000 installations in North America
• Participated in all phases of software development lifecycle - analysis, design, technical specification, database architecture, programming, testing, system maintenance and support
• Spearheaded new technology research, product and vendor evaluation
• Led teams of system designers, software developers and testers to projects' completion

Technologies

• Payment transaction processing: Credit and Debit cards, Chip/Smart cards, Stored Value Cards, contactless/wireless, Card-based loyalty, discount, gift, rewards and tax exempt cards
• Document processing, printing and reporting
• Wireless / Wi-Fi: Wireless infrastructure, protocols and standards (802.11a/b/g/n, WPA, TKIP)
• Security, authentication and encryption (3DES, AES-256, DUKPT)
• Hardware and Embedded Systems: Electronic circuit design, micro-controller firmware programming, card reader communication, hardware device interfacing
• Virtualization and Cloud Computing: VMware, Google Docs, Amazon EC2 / AWS, Dropbox, Box.net
• Platforms: Windows, Linux, Embedded Systems
• Software tools and programming languages: .Net, C / C++, SQL, XML, HTML/CSS

EnterpriseS ystems Integration

FedEx/Kinko’s (Payment Switch / eSocket.POS) • Staples (POS Service Gateway / PSG) • Wal-Mart / Sam's Club (ICVerify) • Office Depot (cXML) • Authorize.Net • TIBCO (BusinessWorks) • DataCap (NETePay) • Sony Picture Station • Proprietary data and transaction processing systems

Lead Software Developer / Systems Architect	1993 – 2002
Umbrella Communications Inc.	Toronto, Ontario

Accomplishments

Responsible for all software development and IT operations:

• Built IT department from the ground up
• Led and managed team of analysts, software developers, system administrators, DBA's and QA
• Designed, developed and maintained a complex mission-critical database-driven e-Commerce Catalog, with real-time payment transaction processing, customer activity tracking, and continuous data updates from clients and suppliers
• Technical project management
• Assumed progressive roles and responsibilities

Software Application Development

Hands-on full Software Development Life Cycle (SDLC) – solution strategy, software architecture, application programming, database development, system administration and maintenance.

Programming and Tools: C / C++, C#, VB, MS Visual Studio, SQL, ASP, PHP, XML, Java, JScript

Web Application Development: HTML, CSS, XSL, Search Engine Optimization (SEO), Google Analytics

System Administration

Complete setup, administration and maintenance of Windows and FreeBSD/Linux servers in a hosting environment:

• Windows platform stack:                           IIS + MS SQL Server + ASP / ISAPI C++
• FreeBSD/Linux stack (FAMP/LAMP):       Apache + MySQL /PostgreSQL + PHP
• Managed domains, virtual server hosting and email, firewalls (pfSense, CheckPoint, PIX Cisco)
• Disaster recovery strategy, data archiving and backup plans, storage management
• Designed, implemented and maintained production network architecture

Database Development and Administration

Designed, implemented and administered a transactional data storage solution, optimized for high performance and high scalability, processing large data volumes under high-concurrency conditions:

• Databases: Microsoft SQL Server, MySQL, Postgre SQL, MS Access, SQL Programming, CodeBase++

Senior Programmer / Systems Analyst	1984 – 1993
Kiev Technological University	Kiev, Ukraine

Accomplishments

• Designed and programmed software for education, science, finance and manufacturing
• Developed sate-of-the-art mathematical simulation model of technological processes
• Designed proprietary relational database management engine
• Honor Certificate in the country-wide software programming contest
• Author of several published proceedings

Technologies

RT-11, VMS
• Languages and Tools:       C/C++, Basic, xBase, Pascal, Fortran, PAL, Macro Assembler, AutoCAD
• Databases:                          Paradox DB Engine, dBase, FoxBASE/FoxPro, CodeBase, DBUNIT

Education, Certification and Training

• M. Sc. in Engineering, Kiev Technological University,    Kiev, Ukraine      1984 - 1992
• ITIL v3 – Information Technology Implementation Library,      Toronto                2011
• Camp SQL, Microsoft,                                                                      Toronto                2011
• Electronics Design and Assembly School,                                    Ukraine                1982 - 1984

Special Interests

* Special interest in financial systems, stock market research and technical analysis
* Electronics and Robotics	* Sci-Fi / Artificial Intelligence	* Open Source Projects