Piotr K.

Solution Architect/System Analyst

Miński, Mazowieckie, Poland

About

Experience

  • T-Mobile Polska (Warsaw, Mazowieckie, Poland)
    • Billing Solution Architect
      Jan 2025 - Present · 1 yr 6 mos

      As a Billing Solutions Architect in a leading telecommunications company, I am responsible for designing, optimizing, and overseeing end-to-end billing architecture to ensure seamless integration with business processes and IT ecosystems. My role bridges business requirements with scalable, efficient, and future-ready technical solutions in the billing domain. Key responsibilities include: Defining and maintaining the overall architecture of billing systems, including charging, rating, invoicing, and revenue assurance components. Leading solution design for new products, services, and pricing models with a strong focus on system performance, reliability, and compliance. Collaborating with cross-functional teams including IT, product, finance, and customer care to ensure alignment between technical capabilities and business goals. Evaluating and selecting appropriate technologies and platforms in accordance with enterprise architecture standards. Supporting digital transformation initiatives such as system modernization, migration to cloud-based billing platforms, and process automation. Ensuring architectural governance, documentation, and alignment with industry best practices and regulatory requirements.

    • Senior Test Automation Engineer
      Jun 2020 - Dec 2024 · 4 yrs 7 mos

  • Senior BSS Consultant at Wipro
    Mar 2016 - Nov 2021 · 5 yrs 9 mos

    Project for T-mobile Poland. Member of Billing System Team. Responsibilities: - test planning and documentation - test analysis - test execution - maintenance of billing system

  • IT Engineer at Ericsson
    Nov 2012 - Feb 2016 · 3 yrs 4 mos

    - Testing BSCS IX system - Creating test documentation - Designing test cases - Preparing test environments - Test execution and bug reporting - Quality assurance

  • Consultant tester at Capgemini
    Oct 2011 - Nov 2012 · 1 yr 2 mos

    - Testing BSCS IX system - Creating test documentation - Designing test cases - Preparing test environments - Test execution and bug reporting - Quality assurance

  • QA Analyst/Software Tester at Mobica
    May 2010 - Sep 2011 · 1 yr 5 mos

    -Testing application for mobile platforms (Android, iOS, Symbian) - Creating test documentation - Designing test cases - Preparing test environments - Test execution and bug reporting - Quality assurance