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Alexandre VandammeAV

Alexandre Vandamme

Full Stack Developer | NestJS • React

€360/day
Lille, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alexandre

Senior Full Stack Developer | NestJS, React, Next.js, Cloud & Architecture

Specialized in the TypeScript ecosystem, I help companies with complex web projects with a strong backend focus: designing robust architectures, developing business applications, e-commerce, custom PIM, and process automation.

I work on creating new platforms as well as redesigning or scaling existing ones, with particular attention to maintainability, performance, and workflow reliability.

My expertise:
•Backend & architecture: NestJS, Node.js, REST APIs, microservices, RabbitMQ
•Cloud & infra: AWS (Lambda, SQS, S3), distributed architectures, asynchronous processing
•Frontend: React, Next.js, Angular
•Data & search: PostgreSQL, MongoDB, Redis, Elasticsearch, ELK Stack
•Automation & integrations: Puppeteer, Zendesk, Aircall, data synchronization between business tools

What I bring:
•Design of reliable and scalable backend architectures
•Implementation of complex data workflows
•Integration between third-party systems
•Automation of business tasks to save time and reduce errors
•Pragmatic approach, focused on performance and business objectives

Some projects completed:
•Happywool: redesign of an e-commerce ecosystem and development of a custom PIM with NestJS, Next.js, and RabbitMQ
•Faibrik: development of complex data extraction robots for Amazon Vendor Central
•CRM Integrations: development of custom applications for Zendesk to optimize customer support workflows
Can work on-site
Lille (up to 50km), Lille (up to 100km)

Experience

  • Happywool
    Freelance Full Stack Developer
    September 2023 - February 2026 (2 years and 5 months)
    🛒 E-Commerce & Serverless Architecture
    Backend & Cloud: API design with NestJS and Serverless Architecture (AWS Lambda) for optimal scalability.

    Frontend: Interface development using Angular and React.

    Performance & Search: Search optimization via Elasticsearch and asynchronous flow management with RabbitMQ.

    📦 Custom Product Information Management (PIM)
    Event-Driven Architecture: Implementation of RabbitMQ for inter-service communication and use of Bun for consumers.

    Modern Stack: Full Stack development in NestJS and Next.js, with PostgreSQL database.

    Observability: Monitoring and product indexing via the ELK stack (Elasticsearch, Logstash, Kibana) and Redis.

    🎧 Business Tools & Customer Experience
    CRM Integration: Creation of React apps embedded directly into Zendesk.

    Middleware: Development of a data hub (NestJS) connecting Zendesk and Aircall APIs for a 360° customer view.
    Node.js React.js Next.js MongoDB PostgreSQL
  • Faibrik
    Freelance Full Stack Developer
    February 2023 - September 2023 (7 months)
    Backend Focus (80%) on RPA and complex workflow automation solutions.

    🤖 RPA & Data Automation
    Extraction (Amazon): Design of robots with Puppeteer for automated data extraction on Amazon Vendor Central.

    Event-Driven Architecture: Task management (Cron Jobs) and inter-service communication via RabbitMQ.

    Data Visualization: Creation of dashboards in React for analysis of extracted statistics.

    🔗 Application Evolution & API Integrations
    CRM Software: Development of APIs (Node.js/Express, PHP) and MongoDB storage.

    Business Workflows: Automation of workflows through integration of third-party services (Aircall, Asana, RingCentral).

    CRM Extensions: Addition of specific modules on tools like Zendesk to optimize productivity.
    NestJS React.js Amazon Web Services RabbitMQ MongoDB
  • PP YARNS&co
    TypeScript Full Stack Developer
    November 2022 - February 2023 (3 months)
    Phildar, Rouen, France
    Technical support within the product team for the development and evolution of the E-commerce platform and Marketplace.

    Frontend: Evolutions and creation of features on the E-commerce interface using Angular 14.

    Backend & API: Development of services under Node.js / NestJS and management of the MongoDB database.

    Integrations & Flows: Connections with the ERP and specific developments in PHP, integration with Elastic Path (headless commerce).

    Performance & Data: Use of Redis for caching

    Stack: TypeScript, Angular 14, NestJS, Node.js, MongoDB, PHP, Oracle ERP, Redis, Elastic Path.

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Education

  • BTS Computer Science
    Edmond Labbé
    2016
  • Professional Title Bachelor+5, Computer Programming, Digital Transformation
    Aston Ecole
    2018

Skill set

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