William Da Cunha

CTO / CPTO / Expert AI & Automation

Salary / Daily rate

Lisbon, Portugal

Freelance, open to permanent contract

Remote only

Skills

Product StrategyConsulting ITStrategy & ConsultingCoachingClean ArchitectureEvent Driven ArchitectureData EngineeringMicroservicesDevOpsBig Data

Languages

French (Native)English (Fluent)SpanishPortuguese

About me

Intro

Technology executive with 15+ years transforming businesses through strategic tech leadership. Led rearchitecture programs cutting operational costs by 50%, scaled a tech consulting firm to €1.3M annual revenue, and built multiple marketplace platforms. Offering fractional CTO services to align technology with business goals, structure high-performing teams, and implement scalable cloud-native architectures that drive measurable growth.

Links

Work experience

Fractional CTO / CPTO

FreelanceFreelance

Mar 2025 - Present

1 year 8 months

Remote, OR 97458, USA

CPTO

Marjory

Mar 2023 - Present

3 years 8 months

Remote, OR 97458, USA

At Marjory, I lead the tech & product strategy, aligning our Data Integration SaaS platform with business needs. I have successfully cut operational expenses by 50% through a rearchitecture program, automation and process optimization while ensuring GDPR compliance and cybersecurity best practices. Additionally, I managed cross-functional engineering teams, enhancing development efficiency and scalability.

Co-Founder / CTO

BeeForYou

Mar 2018 - Mar 2023

5 years 1 month

Lille, France

I co-founded BeeForYou, a tech consulting firm that scaled to €1.3M in annual revenue within three years. I recruited, trained, and coached more than 20 developers in two years, while managing the delivery of dozens of projects for our customers. I also provided Fractional CTO services, defining tech and product strategy, structuring teams, and automating processes for high-growth startups.

Freelance IT Architect

Surfjob

Feb 2017 - May 2018

1 year 4 months

Région de Lille, France

As a freelance IT architect, I helped large corporations with data integration and cloud migration projects. I designed and deployed scalable architectures, improving system reliability and data processing capabilities.

Co-Founder / CTO

Co'Cut

Sep 2016 - Mar 2018

1 year 7 months

Région de Lille, France

I developed and launched a marketplace for booking hairdresser appointments, integrating Stripe Connect for seamless payments. Hands-on, I built the MVP and scalable infrastructure, ensuring a smooth user experience and efficient platform growth. I also coached afterwards a small tech team to help improve the product.

Smile

Jan 2011 - Mar 2017

6 years 3 months

Région de Lille, France

IT Architect

Jun 2016 - Mar 2017

10 months

Région de Lille, France

I provided architectural expertise and technical leadership for large-scale eCommerce and marketplace projects. I led internal team training, participated in RFPs, audited, and advised major clients on best practices, system architecture, and DevOps implementation.

Lead Developer

Feb 2014 - Jul 2016

2 years 6 months

Région de Lille, France

I led the development of scalable platforms for major clients, optimizing tech stacks and reducing technical debt. I had the opportunity to build PIM and marketplace integrations, ESB architectures, and data pipelines, while mentoring junior developers, ensuring software craftmanship best practices and improving software delivery processes.

Software Engineer

Jan 2011 - Jan 2014

3 years 1 month

Région de Lille, France

I integrated open sources CMS and built applications for key clients like 3 Suisses and Lapeyre.


Education

Télécom Lille

Ingénieur

2007 - 2011

4 years 1 month

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