Hi, I'm Sebastien

Full Stack Developer

I specialize in building modern web applications with cutting-edge technologies. Passionate about creating efficient, scalable, and user-friendly solutions.

Sebastien

About Me

I am a passionate Full Stack Developer with more than 15 years of experiences in building web applications using modern technologies. My expertise includes frontend development with React and Next.js, backend development with Node.js, and database management with PostgreSQL and MongoDB.

Experience

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Structureflow LTD logo

Head of Engineering

Structureflow LTD(Full-time)

London, United Kingdom

August 2019 - Present

  • Managed an 8-member in-house team of Fullstack developers and DevOps experts
  • Supervised third-party agencies, comprising 7 DevOps professionals and 3 developers
  • Successfully raised £4.5 million in funding and secured ISO27001 certification
  • Led the design and development of infrastructure using Terraform, Helm, Kubernetes, and Azure
  • Directed frontend development leveraging React, WebSocket, and PixiJS
  • Oversaw backend system management and development, specializing in MongoDB (multi-location shards databases), PostgreSQL, and Node.js
  • Championed AI development utilizing spaCy and Python
  • Implemented integration of third-party APIs through Azure Functions
TerraformHelmKubernetesAzureReactWebSocketPixiJSMongoDBPostgreSQLNode.jsspaCyPythonAzure Functions
Quant Network logo

Blockchain Developer

Quant Network

(Full-time)

London

June 2018 - July 2019

  • Worked on interoperability platform cross-blockchains
  • Developed solutions for Ethereum, Bitcoin, EOS, IOTA, RIPPLE blockchain, Quorum, ETH pantheon, Corda, Hyperledger
  • Implemented NodeJS and React + Redux development
  • Developed Dapps and Web3 applications
  • Designed technical architecture
  • Managed Kubernetes deployments
  • Implemented Java and golang development
  • Set up blue-green deployment and CI/CD with Jenkins
  • Architected microservices
NodeJSReactReduxWeb3KubernetesJavagolangJenkinsMicroservicesBlockchain
Appliedblockchain logo

Blockchain Developer / Technical Architect JS

Appliedblockchain

January 2018 - May 2018

  • Developed blockchain solutions using Solidity
  • Managed smart contract deployment
  • Built Dapps and Web3 applications
  • Led NodeJS and React + Redux development
  • Designed technical architecture
  • Implemented Kubernetes and Docker stack deployments
  • Set up blue-green deployment and CI/CD with circleCI
  • Found out what the customer wants and/or needs
  • Came up with technical solutions
  • Prototyped solutions
  • Coordinated development work in small teams
  • Evaluated emerging blockchain technologies
  • Built a React frontend and NodeJS API with a team
SolidityWeb3NodeJSReactReduxKubernetesDockercircleCI
Atchy logo

Founder & CTO

Atchy

September 2016 - December 2017

  • Built an application for easily onboarding/offboarding people in companies
  • Developed a full Vault for PCI Compliance & AES encryption
  • Implemented blue-green deployment through LambdaCI on AWS
  • Created serverless processors using AWS Lambda
  • Set up AWS API gateway
  • Created Swagger documentation
  • Optimized Webpack configuration
NodeJSReact-reduxAWS LambdaAWS API GatewaySwaggerWebpack
See all experiences

Skills

Web Development

NodeJS

Javascript

Solidity

MySQL

RabbitMQ

Restful API

ReactJS

SocketIO

Serverless

DevOps

Linux

Kubernetes

Docker

AWS

AWS Cloudformation

Jenkins

API Gateway / Lambda

Terraform

Microservice architecture

PCI compliance

Agile method

Scrum

Kanban

Education

View education

Contact

I'm always open to new opportunities and collaborations. Feel free to reach out to me through any of the following channels:

[email protected]