Sylvain is available for hire

Sylvain Vittecoq

Verified Expert in Engineering

Software Developer

Location

Stockholm, Sweden

Toptal Member Since

August 17, 2022

Sylvain曾在美国和欧洲担任首席技术官、工程经理和高级软件工程师. He is a very hands-on, 他是Java和解决方案定义方面的结果导向专家，可以与从工程师到c级管理人员的任何人一起工作. Sylvain为全国数百万台设备提供安全基础设施，并连接了数百万电子商务用户. Sylvain创立了FileChain，为大规模Web 3提供下一代区块链平台.0, Industry 4.以及NFT去中心化市场.

Back-end Multithreading Open Source Software CTO Algorithms Front-end Full-stack Blockchain Design Distributed Ledgers Web Development Java API Development REST APIs Project Management

Portfolio

Media

软件架构，总账，数据库设计，Shopify...

FileChain

Java，区块链，去中心化系统，不可替代令牌(NFT)， Web 3.0...

CyanConnode

约束应用协议(CoAP)， Java, 802.11S Mesh Networking...

Experience

Java - 20 years Back-end - 18 years Architecture - 13 years Leadership - 12 years CTO - 10 years SQL - 10 years Blockchain - 8 years Spring - 3 years

Availability

Full-time

Preferred Environment

Linux, Eclipse IDE，开源，Git, Java

The most amazing...

...我所做的实现是一个具有端到端隐私的下一代企业分类账, in-chain storage, 每秒处理数千个事务, and 100% Java-based.

Work Experience

Principal Engineer

2022 - PRESENT

Media

提供了一个完整的Web3市场，其中包括nft和使用FileChain企业级分类账和国库的硬币作为支付单位.
设计整体解决方案架构及销售平台, buying, 管理这个市场的库存.
作为技术领导制定时间计划, cost estimates, 以及与其他方或供应商的工作包, 包括FileChain和Shopify.

Technologies: 软件架构，总账，数据库设计，Shopify, 渐进式Web应用程序(PWA), Advisory, JavaScript, Non-fungible Tokens (NFT), Blockchain, FileChain, Digital Asset Management

Founder and Lead Developer

2016 - PRESENT

FileChain

Implemented fully featured next-generation ledgers; used 100% Java, 400,000 lines of code, and is fully NIST compliant.
向多个行业的区块链集群和开发者社区推广企业账本平台和完整SDK, including supply-chain, DEFI, social marketing, and so on.
提供具有端到端隐私的多个分散市场, full identity management, contract management, fungible coins, and NFTs.
2019年12月，监督销售活动，管理业务开发和种子投资.
为去中心化账本平台的高性能和低运营成本软件设计撰写了两项专利申请.

技术:Java、区块链、去中心化系统、不可替代代币(NFT)、Web 3.0, Industry 4.0, Business to Business (B2B), Linux, Eclipse IDE, Open Source, Performance Tuning, Architecture, Team Building, Strategy, Startups, Databases, User Interface (UI), Team Management, 大规模分布式系统, Software, Design, Planning, Storage, Large Data Sets, Performance, REST, Git, File Systems, CSS, HTML5, JavaScript, SQL, 面向服务的架构(SOA), PostgreSQL, MongoDB, HTML, Spring, Spring Boot, Leadership, APIs, Software Design, Serverless, System Architecture, Requirements Analysis, Requirements, REST APIs, 软件开发生命周期(SDLC), 软件开发工具包(SDK), Windows PowerShell, 技术产品管理, CTO, IT Strategy, Back-end, Big Data, Data Processing, Low Latency, Multithreading, Oracle, Microservices, SSL, Java EE, Docker, TypeScript, Terraform, Front-end, Full-stack, Web Development, React, Blockchain Platforms, Blockchain Design, Smart Contracts, 分散自治组织(DAO), Ethereum, Solidity, Blockchain & Cryptocurrency, 去中心化交易所(DEXs), ERC-20, Team Leadership, Management, Teamwork, 跨职能团队领导, Solution Architecture, Distributed Ledgers, Distributed Architecture, Decentralized Finance (DeFi), Decentralized Applications, Integration, API Integration, Ethereum Smart Contracts, Crypto, Jira, GitHub, CSS Grid, Bitcoin, Cryptocurrency, Applied Cryptography, Governance, Full-stack Development, Digital Banking, 中央银行数字货币(CBDC), GraphQL, Rust, gRPC, Redis, Technical Leadership, Azure, Project Management, Software Architecture, Java 11, Trading Systems, Cryptography, API Development, 关键绩效指标(kpi), Fintech, Node.js, Scalable Application, Scalable Architecture, Cryptocurrency APIs, Filecoin, Web3, Algorithms, Early-stage Startups, Privacy, Data Privacy, Social Networks, Agile Delivery, B2B, Engineering, Product Growth, Banking & Finance, Web3.. js，数字资产管理，超级账本

建筑师|总工程师

2011 - 2022

CyanConnode

为全国部署在最后一英里智能城市的数百万台设备实现RESTful api和优化数据库设置，以进行自我认证，并每天为智能计量应用程序传输千兆字节的高度机密数据.
Served as the lead design authority and delivery manager for the mesh part of the world's largest machine-to-machine (M2M) contract; it was a £1.50亿英镑的SMIP项目与英国政府合作.
Led the specification, architecture, 以及一个平台的软件设计，该平台管理数百万台通过自形成无线网状网络连接的设备，这些设备具有用于物联网的最先进的公钥基础设施(PKI)。.
为每两周的敏捷冲刺为CyanConnode工程团队和两个外包合作伙伴划分所有资源分配和积压的优先级，以按时交付所有路线图里程碑.
作为Reliance的主要技术接口, 一家年收入700亿美元的公司, 为不断增长的印度市场设计和提供可持续的智能城市网络.

技术:约束应用协议(CoAP)， Java, 802.11S Mesh Networking, 射频(RF)协议, Embedded Java, Business to Business (B2B), Eclipse IDE, Open Source, Architecture, Team Building, Strategy, Startups, Databases, Team Management, 大规模分布式系统, Software, Design, Planning, Resource Management, Storage, Large Data Sets, Performance, REST, Telecom Equipment & Solutions, Git, SQL, MySQL, Leadership, APIs, Software Design, Serverless, System Architecture, Requirements Analysis, Requirements, REST APIs, 软件开发生命周期(SDLC), 软件开发工具包(SDK), Embedded C, Firmware, 无线固件(FOTA), 技术产品管理, CTO, Python, Back-end, Big Data, Data Processing, Low Latency, Multithreading, Elasticsearch, Oracle, Microservices, SSL, Hibernate, Amazon Web Services (AWS), Front-end, Full-stack, Web Development, HTML5, Team Leadership, C#, Management, Teamwork, 跨职能团队领导, CSS, Solution Architecture, Distributed Architecture, Integration, Jira, GitHub, Hardware, Full-stack Development, Technical Leadership, Project Management, Software Architecture, DevOps, Java 11, API Development, 关键绩效指标(kpi), Node.js, Scalable Application, Scalable Architecture, Mobile, DNS, Algorithms, Early-stage Startups, Data Privacy, Agile Delivery, B2B, Engineering, Product Growth

Principal Engineer

2010 - 2011

ByteActive

优化了软件的性能，以达到极具竞争力的吞吐量，用于存储和恢复pb级的文件和数据量.
领导多层高性能云服务的架构和实现，为公共和私有云存储提供商存储pb级的高度加密和压缩数据.
为50多个工程项目做出了贡献,000行生产就绪代码, 指导和培训团队中的其他工程师.

Technologies: Java, C++, Storage, Databases, Large-Scale Computing, Large Data Sets, Performance, Performance Tuning, Business to Business (B2B), Open Source, Strategy, Startups, Team Management, Business to Consumer (B2C), Software, Design, File Systems, Leadership, Software Design, System Architecture, Requirements, IT Strategy, Python, Back-end, Data Processing, Low Latency, Multithreading, Oracle, Team Leadership, C#, Teamwork, Solution Architecture, Distributed Architecture, API Integration, Full-stack Development, Technical Leadership, Software Architecture, Cryptography, API Development, Scalable Architecture, Early-stage Startups, B2B, Engineering, Product Growth

Lead Engineer and CTO

2008 - 2010

Qobuz

审核工程组的流程, strengths, 以及识别关键员工的弱点, appropriate software, 以及在不到两个月的时间内将工程团队转变为以结果为导向的团队的交付过程.
领导了Qobuz音乐网站的整体架构和重构，如带有高清音频的Spotify，以实现加载页面时间的十倍性能提升, 整合多个框架, 并支持多站点冗余.
监督所有Java核心后端服务和api，从所有主要厂牌导入数百万高质量音频文件和元数据的音轨，并在多种订阅和付费模式下提供流媒体和下载.

Technologies: Java, Streaming, Downloads, eCommerce, SEO Tools, Payment APIs, Media, REST, Business to Business (B2B), Linux, Eclipse IDE, Open Source, Performance Tuning, Architecture, Team Building, Strategy, Startups, Databases, Team Management, 大规模分布式系统, Business to Consumer (B2C), Software, Design, Planning, Resource Management, Large Data Sets, Performance, JavaScript, SQL, HTML, Leadership, APIs, Software Design, System Architecture, Requirements Analysis, Requirements, REST APIs, 技术产品管理, CTO, Back-end, Big Data, Data Processing, Low Latency, Multithreading, Microservices, SSL, Java EE, Front-end, Full-stack, Web Development, HTML5, Team Leadership, Management, Teamwork, Solution Architecture, Distributed Architecture, API Integration, Full-stack Development, Technical Leadership, Project Management, Software Architecture, API Development, 关键绩效指标(kpi), Scalable Application, Scalable Architecture, Mobile, Algorithms, Early-stage Startups, Social Networks, Agile Delivery, Engineering, Product Growth

Principal Engineer

2002 - 2008

Ipsum Networks and Iptivia

领导Route Dynamics的构建:一个高性能的基于web的高保真收集解决方案, analysis, and display of routing information in IP networks; it has multimillion-dollar sales to service providers and large financial institutions.
雇佣了20+高技能的工程师(通过招聘人员), referral bonuses, 在充满挑战的就业市场和通过促进合作最大化工程团队效率.
实现了路径计算和路由协议(OSPF)的关键软件, IS-IS, BGP, EIGRP)每分钟记录和过滤数百万个网络事件，为最大的电信运营商隔离NOC工程师的可操作通知.

Technologies: Java, IPTV, 开放最短路径优先(OSPF), BGP, EIGRP, IS-IS, IP Routing, IPv6, IPv4, Telecom Equipment & Solutions, Business to Business (B2B), Eclipse IDE, Open Source, Embedded Java, Architecture, Team Building, Startups, Team Management, 大规模分布式系统, Software, Design, Planning, Resource Management, Performance, REST, Leadership, APIs, Software Design, System Architecture, Requirements, 软件开发生命周期(SDLC), 软件开发工具包(SDK), Back-end, Data Processing, Low Latency, Multithreading, SSL, Management, Teamwork, DNS, Early-stage Startups, Engineering

Senior Software Engineer

2001 - 2002

Desana Systems

实现了IP栈的几个关键性能优化, VLAN switching, 以及基于硬件交换设备的生成树协议.
改进了嵌入式和分布式架构，以监控在关键业务中托管的网站的数千个并发HTTP事务, high-capacity data centers.
2/3层设备命令行接口CLI的设计与实现(IP接口、VLAN端口的监控与发放).

Technologies: Architecture, Java, C, C++, ARP, IPv4, IPv6, SNMP, Spanning Tree Protocol (STP), Open Source, Embedded Java, Startups, Databases, Team Management, 大规模分布式系统, Software, Design, Planning, Telecom Equipment & Solutions, File Systems, APIs, Software Design, System Architecture, Requirements, Embedded C, Firmware, Back-end, Data Processing, Low Latency, Teamwork, Hardware, Early-stage Startups, Engineering

Senior Software Engineer

1998 - 2001

Alcatel-Lucent Enterprise

领导团队构建了世界上首批支持MPLS vpn(标签分发LDP和RSVP-TE)的接入产品之一.
设计并集成IPSEC栈，为接入路由器提供IP认证和加密.
领导20名软件工程师的性能优化工作，使用流量控制分析和线程分析器将骨干E10 ATM宽带交换和呼叫服务器的每秒呼叫数量增加了十倍.
实现部分用户信令层(UNI), PNNI, IISP和SAAL)来帮助释放互联网和一级大型isp之间的大量跨大陆流量.

Technologies: C++, C, Java, Performance Tuning, Software, Design, Planning, Resource Management, Performance, Telecom Equipment & Solutions, APIs, Software Design, Requirements Analysis, Requirements, 软件开发生命周期(SDLC), Embedded C, Firmware, Back-end, Low Latency, Teamwork, 跨职能团队领导

Experience

Web 3.0分散的社交网络和营销平台

http://veesocial.com/

一个完全分散的社交网络和营销平台，基于品牌和影响者提出的挑战.

我是这个区块链应用程序的首席开发人员，该应用程序建立在下一代企业分类账FileChain (FileChain)之上.Com)，具有完整的身份管理, NFTs for rewards, 真正的端到端隐私，因此没有任何一个实体可以控制或货币化用户的所有个人数据, 也不必为所有的数据负责. 为众筹而为Vee Social开发的第一个应用仅用了四周时间(从设计到部署)就交付了。.

支付api下载和流高清音乐

http://www.qobuz.com/

我们需要api来驱动用户在Qobuz音乐电子商务平台上付费，从所有主要音乐厂牌的数百万首歌曲目录中流式传输和下载高清音乐曲目.

我执行api并执行关键的SEO和用户行为分析，以微调整体用户体验，以免在支付步骤中失去任何潜在的在线购买, 无论是从网页桌面浏览还是移动设备.

纯Java路由分析引擎

http://en.wikipedia.org/wiki/Network_monitoring

一个100%基于java的引擎，用于计算大型IP网络中的路由路径.

我是计算和持续监控成千上万个OSPF的主要开发人员和架构师, BGP, 在大型服务提供商网络(如AT)中，通过每秒侦听路由器发出的所有路由通告来隔离网络错误配置，以及EIGRP路由&T、英国电信、法国电信等等. 这个实现还需要为TCP栈对Linux内核打补丁.

Skills

Languages

Java, CSS, HTML5, JavaScript, HTML, TypeScript, Java 11, C++, SQL, Embedded C, C, PHP, Python, Solidity, C#, GraphQL, Rust

Frameworks

Spring Boot, Spring, Windows PowerShell, Hibernate, gRPC

Libraries/APIs

REST API, API开发，React, Node.js, Web3.js

Paradigms

REST, Management, Scalable Application, B2B, Requirements Analysis, Microservices, 射频(RF)协议, 面向服务的架构(SOA), DevOps, Database Design

Platforms

Blockchain, Blockchain Platforms, Linux, Oracle, Java EE, Ethereum, Docker, Amazon Web Services (AWS), Azure, Mobile, Shopify, Hyperledger

Industry Expertise

Project Management, Banking & Finance, Trading Systems

Other

开源、去中心化系统、不可替代代币(NFT)、Web 3.约束应用协议(CoAP).11S Mesh Networking, Embedded Java, Performance Tuning, Architecture, Startups, Team Management, 大规模分布式系统, Software, Design, IPv4, Leadership, APIs, Software Design, System Architecture, CTO, Back-end, Low Latency, Multithreading, Front-end, Full-stack, Web Development, Blockchain Design, Smart Contracts, Blockchain & Cryptocurrency, Team Leadership, Teamwork, 跨职能团队领导, Solution Architecture, Distributed Ledgers, Distributed Architecture, Decentralized Finance (DeFi), Decentralized Applications, API Integration, Crypto, Full-stack Development, Technical Leadership, Software Architecture, 关键绩效指标(kpi), Scalable Architecture, DNS, Algorithms, Early-stage Startups, Privacy, Data Privacy, Agile Delivery, Engineering, Product Growth, Filecoin, Web3, Digital Asset Management, Industry 4.0, Team Building, Strategy, Business to Consumer (B2C), Resource Management, Optimization, Streaming, Downloads, eCommerce, 开放最短路径优先(OSPF), BGP, EIGRP, IS-IS, IP Routing, IPv6, Requirements, 软件开发生命周期(SDLC), 软件开发工具包(SDK), Firmware, 无线固件(FOTA), 技术产品管理, Big Data, Data Processing, SSL, 分散自治组织(DAO), Integration, Bitcoin, Cryptocurrency, Governance, Hardware, 中央银行数字货币(CBDC), Cryptography, Fintech, Cryptocurrency APIs, Social Networks, User Interface (UI), Business to Business (B2B), Planning, Lambda Functions, Graph Theory, Artificial Intelligence (AI), Neural Networks, Storage, Large-Scale Computing, Large Data Sets, Performance, SEO Tools, Payment APIs, Media, IPTV, Telecom Equipment & Solutions, ARP, SNMP, Spanning Tree Protocol (STP), Large Networks, Large-scale Projects, File Systems, Card Payments, Mobile Payments, Serverless, IT Strategy, 去中心化交易所(DEXs), ERC-20, Ethereum Smart Contracts, CSS Grid, Applied Cryptography, Digital Banking, ISO 20022, General Ledgers, 渐进式Web应用程序(PWA), Advisory, FileChain

Tools

Eclipse IDE, Jira, GitHub, Git, Terraform

Storage

数据库，PostgreSQL, MySQL, MongoDB, Elasticsearch, Redis

Education

1995 - 1996

人工智能硕士学位

CNRS - France

1992 - 1995

信息学与应用数学硕士学位

ENSEEIHT - France

1992 - 1995

计算机科学硕士学位

ENSEEIHT - France

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