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Kevin LallementKL

Kevin Lallement

Technical Director | WEB DEV + WEB3

€600/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Kevin

  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • DinoVox
    Technical Director
    TECH
    September 2024 - Today (1 year and 9 months)
    Technical Director and responsible for the overall architecture of the DinoVox project, a Web3 initiative focused on NFTs and gamification.

    • Design and development of the backend architecture (Node.js, APIs, wallet management)
    • Development and integration of smart contracts (MultiversX, Rust)
    • Implementation of NFT mechanics (minting, vesting, locking, distribution)
    • Setup of a scalable system with a relational database
    • Frontend development in React / Next.js
    • Management of blockchain interactions (ESDT, META-ESDT, transactions, indexing)
    • Optimization of performance and caching of on-chain data
    • Complete technical supervision of the product (stack choices, security, scalability)
    • Creation of a Prestashop payment module integrating connection with a MultiversX wallet for crypto payments
  • Middle Staking
    Co-founder
    TECH
    February 2021 - Today (5 years and 4 months)
    France
    Founder of a company specializing in staking and the Web3 ecosystem, with a focus on blockchain infrastructure and services for MultiversX validators.

    • Deployment and management of validator nodes (infrastructure, monitoring, security, uptime)
    • Technical supervision and performance optimization
    • Development of a React dApp for simplified interaction with staking services
    • Design and deployment of dedicated smart contracts to automate on-chain operations
    • Frontend ↔ smart contract integration (transaction management, signatures, on-chain states)
    • Automation and optimization of technical processes

    Active contribution to the Web3 ecosystem since 2021, with expertise in infrastructure, blockchain development, and frontend.
  • LINKWEAVER
    Support Technician
    SOFTWARE PUBLISHING
    April 2018 - Today (8 years and 2 months)
    • Level 1 & 2 technical support (diagnostics, incident resolution, escalation)
    • User assistance (remote and on-site)
    • Ticket management and SLA monitoring
    • Workstation configuration and maintenance (Windows / macOS)
    • Network administration (Wi-Fi, LAN, routers, switches)
    • Equipment deployment and configuration

    Development & Integration:
    • Design and implementation of a complete REST API server implemented in stored procedures in Sybase SQL Anywhere, integrated with the 8sens ERP
    • Exposure of business services (customers, orders, products, inventory, etc.)
    • Management of security, authentication, and access control on the database side
    • SQL performance optimization and transaction management
    • Development of a PrestaShop module enabling bidirectional synchronization between the ERP and client e-commerce sites
    • Automated synchronization of catalogs, inventory, orders, and customers
    • Management of data consistency and conflict issues
    • Writing technical documentation
    • User training and support

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Skill set

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