Panagiotis Koletsos | Senior Solution Architect

Architecture leadership for digital journeys, identity, platforms, and governed AI adoption.

Senior Solution Architect with 10+ years in telecom and enterprise technology. I translate target architecture into implementable designs across customer journeys, identity, APIs, platform modernization, and practical AI enablement.

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10+ years across telecom and enterprise technology

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Vodafone architecture work across onboarding, identity, APIs, and digital platforms

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Cross-market alignment with teams across Europe, Egypt, India, and the USA

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AI enablement through reference architectures, prompt workflows, and reusable adoption assets

Selected Work

Enterprise cases, public-safe AI proof, and hands-on builds.

Start with the strongest evidence, then use the full page for the wider proof set.

Open selected work
Enterprise Proof2021-2022

Digital Onboarding for Prepay (Remote eKYC)

Led solution architecture for a digital prepaid onboarding journey covering remote eKYC, identity checks, digital signature, and activation.

Helped create a compliant digital onboarding path for prepaid customers.

telecomdigital-onboardingidentityekycsolution-architecture
Enterprise Proof2024-2025

Vodafone ID Token Exchange and Authorization Simplification

Shaped token-exchange and authorization simplification patterns for Vodafone ID integrations.

identityssoauthorizationapi-architecture
Enterprise Proof2026

Enterprise GenAI Architecture Reference

Created a public-safe enterprise GenAI reference architecture covering retrieval, guardrails, tool use, evaluation, and governance.

genairagguardrailsevaluation

Experience

Experience across delivery, quality, architecture, and practical AI enablement.

Three anchor roles show how delivery and quality ownership grew into broader architecture leadership.

Explore experience

2022 - Now

Senior Solution Architect

Vodafone

Leads architecture for digital journeys, identity, APIs, reusable platform decisions, and practical AI enablement.

  • Led solution design for onboarding, identity, referral, couponing, and other customer-facing telecom capabilities.
  • Improved architecture quality through design reviews, trade-off guidance, and reusable standards across squads.

2017 - 2020

Quality, Agile & Transition Lead

IRI

Progressed from senior QA consultant to QA lead, Scrum Master, and transition coordinator, strengthening release quality and delivery continuity in distributed teams.

  • Owned QA strategy, test planning, defect management, and release-readiness practices for cross-functional delivery.
  • Helped teams work more predictably by facilitating Scrum ceremonies, unblocking delivery, and tightening stakeholder alignment.

2014 - 2017

CRM Delivery & Integration

Accenture Greece

Built delivery, testing, and solution-analysis foundations inside telecom CRM programs.

  • Grew from production support and test coordination into integration analysis and CRM consulting roles.
  • Managed scope, milestones, dependencies, and reporting across parallel telecom change initiatives.

Continue

Start with selected work, then continue to experience, contact, or the current field guide based on the context you need.

Current public guide: Devoxx Greece 2026. Use it for a more tactical, time-bound route through a live event.