Sebastien Mathieu, APIs Developer in Christchurch, Canterbury, New Zealand
Sebastien Mathieu

APIs Developer in Christchurch, Canterbury, New Zealand

Member since September 23, 2020
Sebastien comes from a background of research in robotics and machine learning. His preference is working in the web domain as it can scale quickly, and he's also passionate about data science. He works best when working through a problem and feels challenged. Sebastien is a quick thinker and problem solver.
Sebastien is now available for hire

Portfolio

  • Lorestry
    React Native, AWS, Infrastructure as Code (IaC), HTML5, SQL, JavaScript, CSS...
  • eMastered
    React, Express.js, Next.js, AWS, Cypress.io, Jira, HTML5, SQL, MySQL, PHP 7...
  • InvolveSoft
    PHP, AWS, Node.js, Python, Cypress.io, React, Redis, Serverless Architecture...

Experience

Location

Christchurch, Canterbury, New Zealand

Availability

Part-time

Preferred Environment

PHP, Docker, Linux, VS Code, Composer, AWS, Node.js, Python

The most amazing...

...project I've made recently was a full integration of Uber delivery service to enable the company to pursue product deliveries during the COVID-19 lockdown.

Employment

  • Full-stack Developer (React Native, JavaScript)

    2022 - 2022
    Lorestry
    • Added features to the mobile application in React Native.
    • Integrated Sentry to the React Native application.
    • Developed the complete cloud infrastructure using the AWS Cloud Development Kit (AWS CDK) framework.
    Technologies: React Native, AWS, Infrastructure as Code (IaC), HTML5, SQL, JavaScript, CSS, HTML
  • React Developer

    2022 - 2022
    eMastered
    • Developed user interface components and implemented them following well-known React workflows, such as Flux or Redux.
    • Worked on AWS image optimization and processing, stored in AWS CloudFront CDN.
    • Integrated Cypress.io end-to-end testing in the validation process for CI/CD pipeline.
    Technologies: React, Express.js, Next.js, AWS, Cypress.io, Jira, HTML5, SQL, MySQL, PHP 7, JavaScript, CSS, HTML
  • Freelance Full-stack Developer

    2020 - 2021
    InvolveSoft
    • Refactored and migrated all of the infrastructure from DigitalOcean to AWS using IaC.
    • Divided the AWS infrastructure cost by 10 while keeping or improving the performance.
    • Recreated the full CI/CD pipeline workflow using GitHub.
    • Implemented Cypress.io from end to end and included it inside the CI/CD pipeline.
    • Installed and configured Grafana monitoring tools for the client with a Slack integration.
    • Integrated SSO with React as the front end and Python on the back end. The application is serverless and hosted in AWS.
    Technologies: PHP, AWS, Node.js, Python, Cypress.io, React, Redis, Serverless Architecture, Docker, Infrastructure as Code (IaC), TypeScript, Jira, HTML5, SQL, MySQL, PHP 7, JavaScript, CSS, HTML
  • Back-end Web Developer

    2017 - 2020
    Kathmandu
    • Ensured good practice, CI integration, and new project integration.
    • Headed the data migration from Magento 1 to Magento 2.
    • Decoupled as many website features as possible into a serverless architecture—for example, in-store stock and Uber order delivery.
    • Created a Magento feature for customers to create online orders in-store. The API feature has been integrated into almost 200 stores' POS systems.
    • Handled the AWS infrastructure from Elastic Load Balancer to Dockerized infrastructure.
    • Created a monitoring tool using Grafana. I hosted it in an AWS Fargate infrastructure.
    Technologies: Amazon Web Services (AWS), PHP 7, Node.js, Neo4j, MySQL, APIs, Symfony, Grafana 2, React, PHP, Docker Compose, Docker, Linux, Sublime Text 3, VS Code, AWS, Magento 2, Magento 1, Jira, HTML5, SQL, JavaScript, CSS, HTML
  • IT Director

    2011 - 2015
    Veditec
    • Built a custom ERP solution for the organization using PHP.
    • Developed an integration for four shipping methods in collaboration with partners.
    • Designed and built a warehouse staff UI interface and optimization tool for the placement of products on shelves.
    • Created SEO optimization tools for the marketing team.
    Technologies: MySQL, APIs, Symfony, PHP, Makefile, Linux, PHP 7, Sublime Text 3, HTML5, SQL, CSS, HTML
  • Research and Development Developer

    2009 - 2011
    Visual-Link
    • Improved a custom WYSIWYG CMS used by most of Visual-link's clients at the time.
    • Developed an eCommerce website from scratch using CakePHP including a new payment method. The website was a full Flash application, and all user actions were API-based.
    • Created the deployment process into servers for the CMS. The CMS product owned by the company was their main product and needed an easy deployment process in a new server with customization included (modules and plugins).
    Technologies: MySQL, APIs, PHP, Makefile, Linux, Sublime Text 3, HTML5, SQL, CSS, HTML

Experience

  • Uber Delivery Integration
    https://www.facebook.com/7NEWSBrisbane/videos/304377560934110

    Full integration of Uber delivery service to enable the company to pursue product deliveries during the Covid-19 lockdown. The delivery of the project needed to be done in less than two weeks.

    Requirements included:
    - Checking availability store stock
    - Checking the distance between the customer and the closest store
    - Checking the weight of the products

  • DigitalOcean to AWS Migration with AWS CDK

    The migration included more than 20 servers from DigitalOcean to AWS. The entire infrastructure is implemented using AWS CDK, so Infrastructure as Code.
    Each client has specificities that are configurable independently. The infrastructure is deployed using GitHub actions.

Skills

  • Languages

    PHP 7, PHP, Python, JavaScript, HTML5, SQL, HTML, CSS, Bash Script, C++, TypeScript
  • Frameworks

    Symfony, Express.js, Django, React Native, Material UI, Cypress.io, Yii, Laravel, Next.js
  • Libraries/APIs

    React, Doctrine, Jira REST API, jQuery, TensorFlow, PyTorch, Node.js
  • Tools

    Sublime Text 3, Jira, Composer, VS Code, Postman, AWS Fargate, Docker Compose, Makefile, Amazon SageMaker
  • Platforms

    Magento 2, AWS Lambda, Linux, Docker, Amazon EC2, Amazon Web Services (AWS), Magento, Magento 1, Apache2
  • Storage

    MySQL, JSON, Neo4j, PostgreSQL, Redis, Amazon Aurora
  • Other

    APIs, API Connectors, Full-stack, Web Development, CI/CD Pipelines, Machine Learning, AWS, Grafana 2, Ajax, Infrastructure, Mathematics, Infrastructure as Code (IaC)
  • Paradigms

    Serverless Architecture

Education

  • Master's Degree in Applied Mathematics
    2002 - 2006
    ENSIMAG - Grenoble, France

Certifications

  • AWS Certified Developer - Associate (DVA)
    SEPTEMBER 2021 - SEPTEMBER 2024
    Pearson Vue
  • AWS Certified Solutions Architect - Associate (SAA)
    SEPTEMBER 2021 - SEPTEMBER 2024
    Pearson Vue
  • AWS Innovate Machine Learning and AI Edition Certificate of Attendance
    FEBRUARY 2020 - PRESENT
    AWS

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