Client PortaSwitch / PortaOne
Role Team Lead / Senior Backend Developer
Period Mar 2013 — Mar 2018
Stack
Perl Linux MySQL PostgreSQL VoIP SIP BSS PortaSwitch Git Youtrack Confluence
Portaswitch — Telecom BSS/OSS preview

Portaswitch — Telecom BSS/OSS

Overview

Led the Kyiv development team over 5+ years building core components for the PortaSwitch BSS, Billing, and Softswitch platform serving a diverse range of Communication Service Providers: MNO/MVNO/MVNE, cable/MSO, fixed-line, broadband, VoIP, satellite, and IoT providers.

Architected billing solutions on high-availability Linux infrastructure with MySQL/PostgreSQL databases and delivered enterprise-grade BSS solutions ensuring 99.9% system reliability for critical telecommunications infrastructure serving millions of end users globally.


Key Responsibilities

  • Led development team building core components for the PortaSwitch BSS and Billing platform
  • Architected and implemented telecommunications solutions for MNO/MVNO/MVNE providers
  • Established the “After Action Review” process improving team performance and project delivery outcomes
  • Mentored junior developers accelerating their technical growth and productivity
  • Facilitated cross-departmental collaboration streamlining development workflows
  • Managed integration of VoIP, IoT, and broadband service components
  • Directed technical initiatives for Communication Service Provider solutions using Agile methodologies

Results

  • 99.9% system reliability for critical telecommunications infrastructure
  • Millions of end users served globally through the PortaSwitch platform
  • Accelerated developer onboarding and growth through structured mentoring
  • Improved team delivery predictability via the “After Action Review” retrospective methodology

Technical Environment

Development

  • Perl, Linux, PortaSwitch

Databases

  • MySQL, PostgreSQL

Telecommunications

  • VoIP, SIP, BSS

Infrastructure

  • High Availability Systems

Version Control

  • Git

Project Management

  • YouTrack, Confluence

Methodologies

  • Agile, After Action Review

PortaSwitch Applications and Benefits