My Professional Work

I am working in senior technical positions in the areas of IT Operations and Software Development.
I enjoy designing IT infrastructure solutions, architecting applications and databases, software analysis and engineering, and tinkering with hardware.


Alexander Riabokris    M.Sc.

Senior Technical Leader

Technical Expertise • Versatility • Strong Leadership

  • Senior Level IT Professional with many years of progressive experience in planning, architecting, implementing and maintaining efficient technology solutions
  • Broad background in IT infrastructure, systems architecture, hardware, software design, application development, databases, networking and cyber security - a cross-functional DevOps/DevSecOps
  • Ability to take complete technical responsibility for complex, large scale systems
  • Unique blend of technical hands-on expertise and big-picture vision

Core Competencies 


  • Well-rounded Technical Background
  • Systems Infrastructure, IT Operations and Security
  • Hands-on Software Design, Architecture and Development
  • Implementation of Complex Database Solutions
  • Hardware Integration and Electronic Circuits

Business Management

  • Technical Project Management
  • Hands-on Technical Leadership
  • Large Scale Integration Projects
  • Team Building and Mentoring
  • Managing Remote Teams

Professional Experience

IT Director

2014 - present


Built IT Department of the company from the ground up, responsible for all IT functions:

  • Software Architecture and Development:
    • Overhaul strategy, design and architecture of entire SAAS solution
    • Hands-on full Software Development Life Cycle (SDLC)
    • Database analysis and and development - schema and object relationships, tables, indexes, triggers and stored procedures
    • Application architecture and software programming
    • Ongoing software maintenance and support
  • IT Operations:
    • Selection, installation, configuration and maintenance of IT hardware infrastructure networking, firewalls, routers, servers and workstations
    • Installation and maintenance of Web servers, SQL Database Servers, Mail and other servers
    • Virtualization technologies - AWS, VirtialBox, VMvare
    • Software installation, administration and maintenance
    • Proactive monitoring of IT systems for potential issues to maintain optimal performance
    • IT security assessment, gap and impact analysis, threat prevention and mitigation planning
    • Design and implementation of backup strategy, storage management and disaster recovery
  • IT Management:
    • Hired, led and managed team of analysts, software developers, system and database administrators, team leaders, QA and support staff
    • Technical oversight and project management
    • Budgeting and cost analysis


  • Open source software, Linux stack (LAMP): Apache + MySQL/MariaSQL + PHP
  • Microsoft Windows software: Workstations, MS Office, SQL databases (SQL Server / T-SQL), Web servers (IIS) and applications, .Net Development Platform
  • Remote hosting, virtualization and cloud computing

Technical Team Leader

2002 - 2014
Entrac Technologies Inc. / EFI CanadaRichmond Hill, Ontario


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
  • Involved 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


  • 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,
  • Platforms: Windows, Linux, Embedded Systems
  • Software tools and programming languages: .Net, C / C++, SQL, XML, HTML/CSS

Enterprise Systems 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


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 UniversityKiev, Ukraine


  • 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


  • 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, EXIN,   Toronto                2011
  • Camp SQL, Microsoft Corporation,                                                      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

Resume in: PDF format