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Antoine PierreAP

Antoine Pierre

Full Stack Engineer & AI Engineer

€125/day
Caen, FR
8-15 years

Average response time: 1 hour

About Antoine

I am a Full Stack Engineer and AI Engineer with extensive experience designing, developing, and deploying scalable web applications, AI-powered solutions, and business automation systems. My expertise spans frontend and backend development using React, Next.js, Node.js, PHP, JavaScript, TypeScript, WordPress, Shopify, and modern cloud technologies. I have built and maintained enterprise applications, e-commerce platforms, custom APIs, and high-performance web solutions for clients across multiple industries.

In the AI field, I develop intelligent applications powered by Large Language Models (LLMs), AI agents, workflow automation, prompt engineering, and API integrations. I have experience integrating OpenAI, Claude, OpenRouter, and other AI services to build AI assistants, business automation tools, document processing systems, customer support agents, and productivity solutions. I enjoy transforming complex business requirements into practical AI-driven products that improve efficiency and user experience.

I am comfortable taking ownership of projects from concept to deployment, collaborating with cross-functional teams, communicating directly with clients, and delivering reliable, production-ready software. I continuously explore emerging AI technologies and modern development practices to create innovative solutions that provide real business value.
  • English

    Native or bilingual

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • La Pixel Factory
    Senior Full Stack Software Engineer
    February 2023 - April 2026 (3 years and 2 months)
    • • Designed and maintained scalable healthcare and customer-facing web applications using React, PHP, Laravel, JavaScript, TypeScript, and REST APIs. Collaborated with designers, product stakeholders, and backend teams to deliver responsive and maintainable frontend and backend functionality.
    • • Built reusable UI components, API-driven workflows, and secure backend integrations supporting eCommerce systems, CRM platforms, and operational business tools. Improved user experience and application reliability by optimizing frontend rendering and backend request handling.
    • • Developed and supported integrations with third-party APIs, payment systems, marketing tools, and external business services. Ensured stable data synchronization and reliable communication between multiple systems and platforms.
    • • Worked extensively with MySQL databases, schema updates, and query optimization to improve platform performance and maintain data integrity. Assisted in troubleshooting database bottlenecks and application stability issues across production environments.
  • La Pixel Factory
    AI Engineer
    October 2024 - April 2026 (1 year and 6 months)
    • • Participated in AI model evaluation, prompt optimization, and response quality assessment by following detailed annotation. Contributed to improving model accuracy, reasoning, and instruction-following capabilities across diverse use cases.
    • • Reviewed AI-generated responses for factual accuracy, logical consistency, and overall quality while identifying errors. Delivered structured evaluations that supported continuous model refinement and performance optimization.
    • • Collaborated with cross-functional teams to analyze complex technical and non-technical tasks, document evaluation results. Ensured consistency by adhering to project requirements and quality benchmarks.
  • EcompanySolution
    CRM & Frontend Developer
    October 2017 - February 2024 (6 years and 4 months)
    • • Developed and maintained full stack business applications supporting operational workflows, CRM systems, and customer management platforms. Collaborated with internal teams to deliver scalable software solutions aligned with evolving business requirements.
    • • Built backend services, REST APIs, and frontend dashboard systems using PHP, JavaScript, Node.js, MySQL, and API integrations. Improved reporting visibility and operational efficiency across multiple internal systems.
    • • Designed and maintained database structures, optimized SQL queries, and supported data integrity initiatives for enterprise applications. Assisted in troubleshooting performance issues and improving backend scalability.
    • • Integrated external business services, automation tools, and CRM platforms using secure API communication and middleware processes. Coordinated integration updates with technical and non-technical stakeholders.
    • • Participated in software testing, debugging, and production issue resolution within fast-paced operational environments. Maintained coding standards and supported deployment workflows across multiple development stages.
    • • Contributed to CI/CD improvements, deployment reliability initiatives, and monitoring enhancements to reduce downtime and improve platform stability. Assisted with infrastructure troubleshooting and release coordination.
    • • Collaborated in Agile development cycles, sprint planning sessions, and code reviews with cross-functional engineering teams. Supported maintainable software architecture and long-term scalability objectives.
    • • Worked on regulated and operationally sensitive business platforms requiring secure data handling, structured workflows, and reliable application performance.

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Education

  • Bachelor's Degree in Computer
    University of Montpellier
    2014
    Bachelor's Degree in Computer

Skill set

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