10/28/2026 updated

**** ******** ****
100 % available

CTO & AI Platform Architect | Agentic AI | AWS | Technology Strategy | Fractional CTO

Barcelona, Spain
Only remote
BSc. Eng. (Electronics), Maths, Science, Engineering - University of Natal, Durban
Barcelona, Spain
Only remote
BSc. Eng. (Electronics), Maths, Science, Engineering - University of Natal, Durban

Profile attachments

Brett Arthur - CV 2026Q4.pdf

About me

I'm a hands-on CTO with 25+ years of experience building engineering teams, modernising platforms and delivering complex technology solutions. Today I specialise in agentic AI, cloud architecture and technology strategy, combining executive leadership with practical engineering expertise.

Enterprise ArchitectureOperational ExcellenceSoftware ArchitectureSolution Architecture
Agentic AI & Engineering Governance
Architecting AI-native software delivery systems with coding agents, repository-scoped context, engineering standards, architectural guardrails, independent verification, deterministic validation and CI/CD gates. Experienced in applying agentic AI to production software engineering, with an emphasis on reliability, traceability and controlled delivery.

Cloud & Solution Architecture (AWS)
Designing and delivering cloud-native, event-driven and serverless architectures on AWS. Hands-on experience with distributed systems, API integration, automated deployment and production operations. Previously enabled 200% client growth while reducing operational costs by approximately 30% and achieving 99.96% platform availability.

Technology Strategy & Fractional CTO Leadership
Over 25 years of technology and business leadership across fintech, financial services and enterprise software. Experienced in technology strategy, architectural governance, transformation programmes and IT budget ownership of approximately €1.5 million annually. Available for fractional CTO, technical advisory and engineering leadership engagements.

Engineering Leadership & Delivery Governance
Building and leading distributed engineering organisations, including scaling a team from 8 to 25 people. Introducing DORA metrics, engineering standards and delivery governance to improve predictability, quality and operational performance. Achieved 85% delivery accuracy against quarterly OKRs.

AI & Machine Learning Delivery
Leading the engineering and integration of predictive AI solutions, including financial risk models and an injury-risk prediction platform for professional football. Experience bridging model development, software architecture and operational deployment to deliver reliable AI-enabled products.

Operational Excellence & Technology Transformation
Modernising technology platforms, improving support operations and simplifying integration processes. Reduced open support tickets by 80% and B2B partner integration time from 12 to fewer than six weeks. Experienced in executive stakeholder management, technical assessments and business-aligned transformation.

Experience

Professional experience10+ years
Freelancer since2024

Languages

EnglishNative speakerSpanishBasic knowledge

Project history

CTO

REJH Solutions
Leading AI engineering and technology strategy across proprietary products and client solutions, including an injury-risk prediction platform for elite football. Architected an agentic software delivery framework with repository-scoped context, engineering standards, agent guardrails, deterministic validation and CI gates. Production systems built on cloud-native, event-driven AWS architectures with automated deployment.

CTO / R&D Director

Koalaboox / Cegid Invoice & Financing
Led technology strategy and engineering at a fintech specialising in invoice financing and buy-now-pay-later financing across BENELUX and France. Transformed the SaaS B2C platform to target B2B distribution partners and oversaw integration into Cegid post acquisition. Redefined and implemented technology strategy, overhauled operations, and managed approximately 1.5m EUR annual IT budget. Grew engineering team from 8 to 25 people, adopted cloud-first serverless architecture, introduced DORA metrics, oversaw integration of four predictive AI risk models, and reduced open tickets by 80%.

CTO

ETFmatic Investment-as-a-Service
Led the startup fintech technical team, improving team engagement with business stakeholders by bringing greater clarity to the roadmap and transparency to planning and delivery. Pitched for and accepted into the Microsoft for Startups program securing $120k in credits. Reimagined the API and rebuilt the developer portal, reducing integrator support by approximately 50%. Managed an India-based offshore team and achieved stable on-time delivery of key commitments.

Consultant

Charles Marcus
Worked across multiple client engagements in Brisbane, AU. At QSuper Superannuation, led a process automation project integral to a 3-year strategy, presented a platform review to the CIO including a $750k savings recommendation and a roadmap to retire legacy systems, and mentored the team in Agile delivery practices. At Suncorp Bank, served as Business Lead for Online Originations to enhance the eCommerce strategy for personal loans and deposits, optimised the customer journey and UX, achieved initial sales targets, improved compliance, and reduced Call Centre interactions by 45 seconds.

Senior Business Analyst

Virgin Australia
Lead Analyst on the joint Group Sales / Revenue Management migration to the PROS suite, ensuring timely delivery by prioritising features and identifying gaps. Adapted contracts for real-time group travel pricing, automated team processes, and supported offer refinement. Also played a key role in the UNIFY program to migrate to the Sabre GDS and led analysis on the migration to the Jeppesen Crew Management platform.

Consultant

Dariel Solutions
Engaged with the CIO of a major hospital group on digital strategy, defined SOA governance, and introduced governance artefacts. Defined a mobile app roadmap for tracking surgeons training. Based in Johannesburg, SA, before relocating to Australia.

Founding Partner

Qualica Technologies
Co-founded and scaled a technology business to more than 50 employees, delivering enterprise software solutions across aviation, financial services and network operations. Designed and developed software applications, led software delivery teams on projects with budgets of up to ZAR 5 million. Products included an airline reservations and departure control platform, micro-banking for the unbanked in Africa, and network analytics and remediation services. Established the company vision, led product design, adapted offerings to market changes, managed application support and ensured compliance with corporate governance standards.

Contact form

Log in to get in touch

You need to be logged in to use the contact form.

Sign upLog in