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CTO & Co-Founder·PRODUCT FROM SCRATCH·2018 - 2019

Allez Go!

CTO & Co-Founder

Co-founded and sole-developed a two-sided marketplace on a fully serverless AWS stack.

France, Startup, Marketplace

Allez Go!

THE STACK

ReactReduxTypeScriptSCSSDynamoDBAWS AmplifyAWS AppSyncAWS S3AWS LambdaStripe

LINKS

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CASE STUDY

Building a Two-Sided Marketplace as a Solo Developer

The Problem

We wanted to connect local business owners offering small-group sessions (2-10 people) and local experiences with customers looking for something more personal than mass-market options. I co-founded the company and took on the CTO role — in practice, I was the sole developer building the entire platform.

What I Did

  • Designed and built the entire platform from scratch — UI/UX (React, Redux, TypeScript, SCSS), fully serverless backend (DynamoDB, AWS AppSync, Lambda, S3, Amplify).
  • Integrated Stripe for payment processing, Weezevent for event and ticketing logistics, and TypeForm for partner onboarding.
  • Architected a full serverless infrastructure on AWS — no servers to manage, built to scale from day one.
  • Onboarded 30 local business partners onto the platform.

The Result

  • Platform launched and operational for over a year.
  • 30 business partners onboarded with a diverse portfolio of experiences.
  • Technically solid — payments, events, and partner self-service all functional.
  • Shut down due to insufficient customer acquisition. Supply side worked; demand side didn't.

Key Decision

As a solo developer building a two-sided marketplace, I deliberately chose a fully serverless architecture (AWS Lambda, AppSync, DynamoDB) combined with third-party integrations (Stripe, Weezevent, TypeForm) rather than building everything custom. This let me launch faster and focus engineering time on the core product experience. The serverless approach also meant zero infrastructure management overhead — critical when you're the only engineer.

UI & COMPONENTS

Design

PERFORMANCE

Lighthouse

Screenshots