Freelancer profile translated to English.
Back to original languageAbout Alexandre
👋 Hello, I'm Alexandre, Fractional CTO and SaaS Architect.
I help solo founders and small teams turn their ideas into viable and scalable SaaS products.
💡 What I bring to you
In-depth expertise in backend development (Node.js, TypeScript, MongoDB) to create robust and scalable MVPs.
Strategic support to structure your SaaS project: multi-tenant architecture, technology choices, security, and performance.
My 15+ years of experience in FinTech, SaaS, and Blockchain to avoid technical pitfalls and accelerate your time to market.
🚀 Why me?
✅ I understand the challenges of solo and pre-seed founders: tight budgets, speed, scalability.
✅ I am passionate about launching MVPs and continuously improving your ideas.
✅ Based in Saint Martin (UTC-4), I work fully remotely and adapt to your hours (France, Europe, US).
🛠️ My services
🔹 Audit & Technical Advice – to validate your vision and identify the best solutions.
🔹 Architecture & MVP – I design and develop solid and scalable SaaS architectures, perfectly adapted to your market.
🔹 Coaching & CTO-as-a-Service – to guide you, structure your teams, and adopt best practices from the start.
🔹 Comprehensive support for digital transformation – to turn your ideas into concrete and high-performance projects.
👉 Let's discuss your project! Request your Calendly link without obligation for an initial 20-minute chat.
English
Native or bilingual
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- Choisy ConsultingIT Consultant – FounderMarch 2025 - Today (1 year and 3 months)Sint MaartenI support entrepreneurs and SME leaders in making the right tech decisions. From strategy to execution, I bring my experience in backend development (Node.js, TypeScript) to design reliable, scalable, and business-aligned software solutions.Team guidance & supervision API and data securityhttps://choisy-consulting.com
- Sopra Banking SoftwareBack End Developer SeniorFebruary 2024 - February 2025 (1 year)Paris, FranceSBS is a trusted partner of more than 1,500 financial institutions and large scale lenders in 80 countries worldwide, including Santander, Societé Generale, KCB Bank, Kensington Mortgages, Mercedes-Benz, and Toyota. Its cloud platform offers clients a composable architecture to digitize operations, ranging from banking, lending, compliance, to payments and consumer and asset finance.
- OctoberBack End Developer SeniorJuly 2022 - February 2024 (1 year and 7 months)Paris, FranceOctober is a European FinTech whose mission is to finance businesses better. Our data and technology expertise makes it easy and fast to say yes to businesses, thanks to a robust risk analysis model. We have already financed thousands of SMEs for a total amount exceeding €700m in France, Spain, Italy, the Netherlands and Germany.
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Education
- BTS in Computer Science, Network AdministrationAMEP Martinique2002
- Engineering degree specializing in Computer Science, Information SystemsConservatoire National des Arts et Métiers2010
Certifications
- Mobile App Design from scratch with Sketch 3 : UX and UIudemy2018