Solution Architect Chapter Leader

George
Tsigkris

Leading high-performing architectural teams, driving enterprise modernization, and aligning technical design with business strategy. Experience shaping solutions for large-scale telco ecosystems.

Leadership Philosophy

As a Solution Architect Chapter Leader, my focus lies in bridging the gap between high-level business strategy and deep technical execution, aligning architectural designs with modernization principles and golden rules.

With extensive experience in leading teams at Vodafone, I specialize in stakeholder management, feasibility analysis, and driving collaboration between business and IT teams while fostering the upskilling of architectural capabilities.

9+

Years Experience

Agile

Certified SAFe®

50+

Projects Delivered

Scale

Telco Enterprise Systems

Professional Experience

Solution Architect Chapter Leader

Vodafone Group

Apr 2025 – Present

Leading a team of 11 solution architects, focusing on architectural design reviews and aligning modernization principles.

  • Managed key stakeholders from internal business units to external vendors.
  • Presented technical strategies to C-Level representatives and evaluated OPEX/CAPEX budgets.
  • Aligned local designs with Vodafone Group key initiatives and golden rules of software engineering.

PEGA Chapter Leader

Vodafone

Oct 2022 – Apr 2025

Built and led a new chapter of 7 data and software engineers delivering critical PEGA IT projects.

  • Led delivery of over 50 projects resulting in a 50% increase in digital retention.
  • Drove Vodafone Group new ways of working and managed vendor relationships.
  • Maintained an exceptional team NPS score of > 95%.

Solution Architect

Vodafone

Apr 2020 – Nov 2022

Responsible for transforming business requirements into comprehensive technical designs and system enablers.

  • Led technical analysis and deeply evaluated specifications for the PEGA platform.
  • Provided expert training on the PEGA platform to new team members and engineers.
  • Reviewed and optimized architectural proposals and deliverables from external vendors.

Software Engineer / BPM Developer

Agile Actors

Jul 2019 – Mar 2020

Focused on translating business needs into high-quality technical pathways and leading digital transformation.

  • Implemented complex integrations, CVM strategies, and PEGA APIs for high-value customer journeys.
  • Created future-proof integration paths using core technologies.
  • Performed rigorous end-to-end testing to guarantee flawless customer experiences.

Software Engineer

SYNTAX IT Group™

May 2016 – Jun 2019

Full-stack engineering focused on portal development and core backend services.

  • Developed and deployed applications for insurance agents via Liferay Portal.
  • Built robust web applications using Java, HTML, CSS, JavaScript, and Apache Wicket.
  • Utilized enterprise frameworks including Hibernate, Google Guice, and Struts.

Software Engineer (Internship)

INTERAMERICAN

Sep 2015 – Apr 2016

Part of the development team building core customer portals (my-interamerican.gr and my-anytime.gr).

  • Developed frontend pages to display detailed customer contract information.
  • Worked within WebSphere Portal and WebSphere Application Server environments.
  • Utilized HTML, Angular, JavaScript, and CSS for responsive UI delivery.

Core Competencies

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Software Engineering

Deep technical foundation driving enterprise modernization, scalable platforms, and architectural excellence.

👥

People Management

Building and nurturing high-performing engineering chapters, establishing talent frameworks, and fostering continuous upskilling.

🎯

Business & Results-Oriented

Bridging the gap between technology strategy and execution to deliver high-impact digital journeys and key objectives.

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Vendor Management

Directing strategic vendor relationships, evaluating architectural deliverables, and aligning external partners with corporate goals.

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Cost Efficiency & Strategic Growth

Balancing OPEX/CAPEX budgets through rigorous feasibility analysis while proactively identifying opportunities for technical innovation.

Personal projects with my AI agents team :)

🌐

korogiannakis.gr

Modern corporate website built with advanced web technologies and AI-driven workflows.

View Website

mariatsigkri.gr

Premium, responsive digital presence showcasing cutting-edge UI/UX aesthetics.

View Website
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GitHub Repositories

Explore my open-source code contributions and technical architecture experiments.

View GitHub