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Charles D.CD

Charles D.

Senior Software Engineer AI

€550/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Charles

Senior Software Engineer (10 years of experience): AI, Web, Desktop & Mobile Integrator.
I work on the entire product lifecycle: scoping, design, development, deployment, and maintenance for all types of clients (startups, unicorns, or others).

Specializing in business processes and management software (CRM, ERP), I seamlessly integrate AI into existing workflows by building or installing custom tools that meet concrete business needs.

What I love about my job? Bringing value to businesses, both humanly and technically.

Experienced in the following areas:

• Product scoping and technical lead for projects (process, management, audit, roadmap definition)
• Development of Web, Desktop & Mobile applications, from scoping to production
• API design and integration (REST, GraphQL, webhooks)
• Integration and customization of management tools (CRM, ERP, business SaaS)
• Integration of AI into existing processes: agents, automation, semantic search (RAG), automatic classification, orchestration (LangChain)
• Automation of business processes and data flows (workflows, ELT, orchestration)
• Connection and synchronization between heterogeneous systems
• Database design, modeling, and analytical exploitation
• Ad hoc data analysis and visualization or via dashboards
  • French

    Native or bilingual

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Quantum Santé
    Software Engineer CRM & AI
    EDUCATION AND E-LEARNING
    August 2025 - May 2026 (9 months)
    Paris, France
    For a company specializing in commercial prospecting, I designed and developed a turnkey automation solution **combining a CRM & AI layer**, intended to free up business teams from low-value-added tasks and allow them to focus on customer relationships.

    - Scoping needs with operational teams: identifying daily friction points (incoming email management, information requests, quotes, invoices, follow-ups).
    - Transforming daily used data (documents, excels, diagrams) into programmatically usable databases.
    - Design and implementation of a CRM adapted to prospecting processes.
    - AI automation layer to automatically process low-value-added emails: understanding incoming requests, drafting contextualized responses, generating documents (quotes, invoices, follow-ups) with one-click human validation.
    - "Shopping cart" system dependent on the service catalog for quotes
    - Quote / Invoice / Follow-up Generator
    - Implementation of an automated follow-up and prospect tracking system.

    55% reduction in time saved for employees on repetitive tasks related to customer communication via Email.
    Zoho CRM Salesforce Claude Chat GPT Python
  • Famille Office
    Software Engineer / Product Manager
    SOFTWARE PUBLISHING
    November 2024 - March 2026 (1 year and 4 months)
    Riyad, Saudi Arabia
    Within a private family office: Development & management of a productivity application: communication, organization, and collaboration. Launched in private beta and still in operation.

    - Product scoping and definition of the technical roadmap, to provide visibility to project sponsors.

    - Coordination and development of a multidisciplinary team (design, mobile, backend, infrastructure, analytics)

    - Design and development of a messaging system (conversations, messages, conversation indicators)

    - Implementation of automatic categorization to sort messages and information effortlessly.

    - Integration of AI-powered semantic search, allowing information retrieval without having to remember exact keywords.

    - Development of collaborative features (checklists, polls, forms).

    - Automated follow-up and reminder system, connected to third-party tools.
  • DEEZER
    Software Engineer Data & AI
    FASHION AND COSMETICS
    November 2022 - November 2024 (2 years)
    Paris, France
    Development and maintenance of the internal data platform to provide visibility and

    - Development of backend features: forms, roles, permissions, search, consultation, and data restitution.
    - Integration with existing Datawarehouse data.
    - Design and development of alert configuration forms and monitoring screens
    - LLM integration to build natural language analytical queries.
    - Development of a Query Builder for Marketing Funnel Analysis
    - Creation of a CRUD module for generating formatted URLs for marketing campaign tracking
    - Integration of third-party services and APIs for data synchronization.
    - Technical support, bug fixing, and continuous platform maintenance
    - Assistance to the Data Engineering team for migration to Google Cloud Platform (Orchestrator maintenance, integrations)
    React.js Python artificial intelligence RAG LLM

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