David Ziai

Principal Enterprise Architect

David Ziai
Portimão, Spain

Experience

Jan 2024 - Dec 2024
1 year
Italy

CIO

Opsin Finance

  • Spearheaded the formation of the development team
  • Recruited key roles including developers, DevOps engineers, project managers, and product owners
  • Established processes and organisational structure across a geographically dispersed team
  • Ensured efficient collaboration and delivery
  • Led decision-making on architectural design and strategy, created infrastructure, and managed relationships with external vendors
Jun 2022 - May 2024
2 years
Germany

Head of architecture practice for the Digital Transformation program

BioNTech

  • Directed the enterprise architecture for a digital transformation program, ensuring alignment between business strategy and technology execution
  • Defined and governed the long-term architecture roadmap, balancing immediate business needs with a five-year strategic vision
  • Spearheaded the design and delivery of a next-generation sales and marketing ecosystem, enabling scalable growth and improved customer engagement
  • Drove collaboration with leading vendors, including Salesforce, Adobe, and IQVIA, to integrate best-in-class solutions into a cohesive platform
Dec 2021 - Jan 2024
2 years 2 months
United States

Principal Strategy consultant/SME

ATPCO

  • Played a key role in shaping new standards for dynamic pricing and offer management in the airline sector
  • Designed and implemented a forward-thinking pricing and dynamic offer strategy
  • Evaluated the impact of the new strategy on existing ecosystems, including revenue management systems, pricing distribution channels, and industry regulations
  • Provided expert insights into Passenger Service Systems (PSS), revenue management systems, distribution frameworks, and NDC (New Distribution Capability)
  • Delivered comprehensive architectural overviews of the airline’s PSS and its interconnected ecosystems
May 2019 - May 2021
2 years 1 month
Netherlands

Director of Architecture and Development

SkyTeam Alliances

  • Led the creation of a platform with a budget exceeding €30 million to facilitate integration across the SkyTeam alliance
  • Translated the SkyTeam vision into a transformative program, resulting in the SkyTeam Spine platform
  • Collaborated with leadership to define the platform's vision and technology roadmap
  • Oversaw the transition to a modern microservices architecture
  • Implemented Docker, CI/CD pipelines with Jenkins, and Kibana
  • Managed full-stack NDC (New Distribution Capability) implementation
  • Developed a technical and implementation roadmap for all alliance members
  • Engaged and supported stakeholders across SkyTeam
  • Managed an onshore and offshore team of 48 professionals across five Scrum teams
  • Implemented a fully cloud-native solution on AWS
Jun 2018 - Aug 2019
1 year 3 months
United Kingdom

Enterprise domain Architect

Virgin Atlantic Ltd

  • Designed and implemented a SaaS-based availability calculator to offload 90% of GDS availability requests from the TPF system by reverse-engineering the PROS RTDP application
  • Processed 160 million transactions daily with an average response time of 40 ms
  • Reduced PSS hardware costs by €5 million annually
  • Gathered business requirements and delivered cost-effective solutions tailored to meet objectives
  • Managed the architecture and end-to-end solution delivery
  • Led an offshore development team, ensuring the project was completed on time and within budget
Mar 2017 - May 2018
1 year 3 months
United Kingdom

Enterprise domain Architect

Virgin Atlantic Ltd

  • Led the development and deployment of a new pricing and revenue management strategy centred on Branded Fares, directly enhancing revenue streams
  • Managed the project end-to-end, integrating revenue management systems, revenue accounting, airport operations, and seat inventory management
  • Developed innovative stock management and floating classes models within RTDP to optimise pricing
  • Collaborated with strategic partners like Delta, PROS, ITA, and Farelogix to ensure alignment and seamless integration
  • Oversaw the integration of internal systems and external sales channels, maximising market reach
Jan 2015 - Mar 2017
2 years 3 months
United Kingdom

Enterprise domain Architect

Virgin Atlantic Ltd

  • Led the architecture and implementation of a new Passenger Service System (PSS) across revenue management, revenue accounting, revenue integrity, and payment systems
  • Ensured PCI DSS compliance across all payment systems
  • Managed seamless integration of the new PSS with existing systems and Payment Service Providers (PSPs) globally
  • Architected the Google Availability Calculator for ITA, optimising operations with the new PSS framework
  • Implemented core functionalities for revenue integrity, group booking, and revenue accounting
Jan 2013 - Dec 2014
2 years
Sweden

Senior Management Consultant

Snowfall Airline Solutions

  • Supported management in identifying and exploring new business opportunities beyond Sweden, expanding market presence
  • Engaged with industry stakeholders including IATA, Airlines of America (AOA), and Panasonic Avionics to foster partnerships
  • Gathered requirements and delivered agile solutions tailored to customer needs
  • Managed a diverse portfolio of services, products, and offerings to drive revenue growth
  • Served as a key speaker at the IATA conference in Orlando
  • Designed B2B platforms and payment solutions for the airline and airport industries
May 2009 - Jan 2013
3 years 9 months
Sweden

Senior Enterprise Architect

Scandinavian Airlines

  • Delivered comprehensive strategies, analyses, and solution designs to the CIO, aligning IT initiatives with business objectives
  • Led initiatives to establish SAS’s approach to cloud computing, loyalty programs, cargo operations, and sales and distribution
  • Spearheaded the transition of 80% of the IT environment to IaaS, PaaS, and SaaS
  • Headed architecture and strategy for the PCI DSS compliance program
  • Contributed to innovative solutions including mobile check-in, NFC solutions, new luggage concept, and onboard internet connectivity
  • Represented SAS in ITAT TSG for PCI DSS and participated in IATA subgroups
Jan 2008 - Jan 2009
1 year 1 month
Brazil

Enterprise Architect

Gas Natural

  • Managed a team of internal staff and external suppliers to deliver a strategic SOA program
  • Developed and implemented a comprehensive SOA strategy and solution
  • Led the Technical Design Authority team, ensuring architectural integrity and alignment with enterprise standards
  • Directed implementation of the integration strategy, facilitating seamless communication across systems
Sep 2006 - Dec 2007
1 year 4 months
United Kingdom

Senior Enterprise Architect

Capgemini

  • Played a key role in major proposals and internal projects, driving innovation and strategic alignment
  • Designed an SOA solution for Barclays Bank’s mortgage system as part of the Technical Design Authority team
  • Developed a strategy for EDF’s integration platform
  • Delivered the TCG capability plan for the Capgemini architecture capability program
  • Produced and reviewed documentation for TOGAF 8.2 to ensure compliance with industry standards
Nov 2005 - Aug 2006
10 months
Sweden

Senior Enterprise Architect

Prakrikertjänst

  • Developed and presented the enterprise architecture vision and roadmap using TOGAF
  • Established a governance model for strategic projects
  • Designed a comprehensive SOA roadmap for the enterprise
  • Delivered a blueprint for a new B2B portal
  • Served as technical lead for WebSphere Portal projects and Domino server integration
Nov 2003 - Sep 2005
1 year 11 months
Sweden

CTO

Prisys AB

  • Led the development of the Xprint production platform for the publishing industry
  • Participated in sales, marketing, and client meetings to drive company growth
  • Presented technology at exhibitions and seminars to showcase innovations
  • Managed installation and integration of Xprint for Sweden’s two largest newspapers as technical project manager
Jan 2002 - Oct 2003
1 year 10 months
Sweden

Director of Technology

Creuna Sweden

  • Served on the leadership team, contributing to strategic direction
  • Managed acquisition and merger with Emotion AB
  • Led a team of 30 architects and developers
  • Mentored technology team members
  • Shifted the company from Java to Microsoft partner, boosting revenue
  • Oversaw technical strategy and development processes as primary partner liaison
Jan 2000 - Jan 2002
2 years 1 month

CTO and Co-founder

JavaNet AB

  • Grew the business to 20 million SEK in revenue
  • Built a client portfolio including Tele2, Ericsson, and SEB
  • Recruited and mentored a team of 15 Java consultants
  • Delivered projects for multinational clients, enhancing reputation
Jan 1995 - Jan 2000
5 years 1 month
Sweden

E-business Solution Architect

IBM EMA/Nordic

  • Part of the enterprise architects team at Ericsson, using IBM methodologies and frameworks
  • Established relationships with Telia and Stockholm local government, selling over 6 000 man-hours
  • Delivered seminars on Java/WebSphere as an enterprise strategy solution
  • Engaged PayEX to select IBM as their payment service provider partner
  • Designed a payment system using Java and WebSphere application servers
  • Served as primary contact for e-business solutions with IBM partners
  • Contributed to Nordic and EMEA architect teams in multinational sales and implementations
  • Designed supply chain solutions for Swedish telecoms and startup e-commerce projects
  • Led the UNIX server maintenance group
  • Contributed to the infrastructure architect team
Aug 1991 - Oct 1995
4 years 3 months
Sweden

Consultant in system engineering

Stammen UNIX Specialists

  • Implemented Windows and UNIX servers for various clients
  • Deployed web servers for customers across Sweden
  • Instructed system management for UNIX and Windows NT throughout Sweden
  • Provided training on web solutions and technologies across the country

Summary

Enterprise Architect & Technology Leader with 30+ years of experience designing, governing, and delivering enterprise-scale IT solutions. Combines deep technical expertise with strategic vision, ensuring that technology architectures directly enable business transformation. David has led end-to-end architecture practices across industries, with 15 years in airline and transport and over two decades in consultancy. He has defined target architectures, managed complex integrations (SOA, microservices, APIs), and delivered cloud-first strategies across AWS and Azure. He is adept at data architecture, security frameworks, and distributed systems, ensuring resilience and scalability in mission-critical environments. As a leader, David builds and mentors cross-functional architecture teams, sets governance standards, and drives adoption of emerging technologies such as blockchain and AI. He partners with executive stakeholders while remaining closely engaged with technical solution design, vendor negotiations, and implementation overseight. His pragmatic, hands-on style ensures architecture remains executable, cost-efficient, and aligned with business outcomes.

Skills

  • Enterprise & Solution Architecture Leadership
  • Target Architecture Design & Roadmap Delivery
  • Digital Transformation Leadership (€100m+ Programs)
  • Cloud Architecture & Migration (Aws, Azure, Saas, Iaas)
  • Data & Security Architecture (Governance, Compliance, Resilience)
  • Soa, Microservices, Apis & System Integration
  • Distributed Systems & Emerging Tech (Blockchain, Ai)
  • It Governance, Standards & Enterprise Policy Frameworks
  • Critical Thinking & Complex Problem Solving
  • Architecture Team Leadership & Mentoring
  • Budget, Vendor & Stakeholder Management (C-suite Engagement)
  • Frameworks & Methodologies: Togaf

Languages

English
Native
Swedish
Native
Danish
Advanced
Norwegian
Advanced
Portuguese
Intermediate

Education

Oct 1990 - Jun 1994

Chalmers Technical University

Master of Computer Technology and Science program (not finished) · Computer Technology and Science · Gothenburg, Sweden

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