About Alsyst
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French
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Spanish
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Experience
- AlsystFull-Stack & Backend DeveloperTECHJune 2025 - December 2025 (6 months)At Alsyst, I lead technical delivery for multiple client projects across backend engineering, automation and system architecture.My work includes building scalable APIs in NestJS and Node.js, improving backend performance, integrating third-party services, and developing custom automation workflows (GPT agents, n8n, Make, Zapier).I also manage a team covering frontend, backend, AI development and DevOps, ensuring end-to-end delivery of stable, production-ready solutions.Typical missions include debugging complex systems, optimizing MongoDB queries (GeoJSON, $geoNear), implementing microservices, improving CI/CD pipelines, and supporting MVP development.
- AlsystFull-Stack & Backend DeveloperTECHJanuary 2025 - April 2025 (3 months)Paris, FranceAlsyst delivered backend development and automation services for a confidential SaaS client, focusing on strengthening their core infrastructure and reducing operational workload. Our team built and optimized backend services using Node.js, NestJS and TypeScript, designed stable API integrations connecting their CRM, payment systems and internal dashboards, and implemented automated workflows through Make, n8n and serverless functions that reduced manual processes by more than 40 percent. We also deployed AI-powered features, including GPT agents for document processing, lead qualification and intelligent routing. On the data side, we improved MongoDB performance through query restructuring, indexing and latency reduction. Throughout the engagement, our engineering team collaborated with the client’s CTO to refine the system architecture and provided documentation to ensure long-term scalability and smooth technical handover.
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