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Hollyn Derisse

Hollyn Derisse

Software Engineer | Full-Stack Engineer | E-commerce Leader | Global Problem Solver

Da Nang City, Da Nang, VN
French, English, Creole (Haitian)

Background


About

About

I'm a passionate software engineer with a diverse background and a knack for solving complex problems. With over 7 years of experience across the globe, from Haiti to Vietnam and Canada, I've honed my skills in a variety of environments and technologies. Highlights: - Blockchain Champion: Designed and implemented a micro-service architecture for seamless IoT device integration and secure data traceability with blockchain technology. - Full-Stack Force: Proven expertise in both front-end and back-end development, building large-scale mobile and web applications from scratch. - E-commerce Evangelist: Successfully launched e-commerce platforms like WIPIP, managing both development and delivery logistics. - Data Decoder: Built a discount-finding system and web search application, empowering users with powerful data-driven insights. - Global Citizen: Fluent in French, English, and Creole, I thrive in multicultural environments and bring a unique perspective to every project.

Work Experience

Work Experience

  • Senior Software Engineer

    Jun, 2022 - Nov, 20242 years 5 months

    Combined backend and frontend development experience to deliver impactful solutions for leading corporations.

    • Delivered impactful full-stack solutions for leading corporations

    • Worked with Redux.js and 13+ technologies and frameworks

  • Software Engineer

    Jun, 2021 - Feb, 20228 months

    Worked on the design and implementation of a system based on micro-service architecture to facilitate the integration of any IoT device in a supply chain to collect traceability data with guaranteed data integrity with blockchain.

    • Designed and implemented a micro-service architecture for seamless IoT device integration

    • Secure data traceability with blockchain technology

    • Worked with React.js and 9+ additional technologies

  • Frontend Developer

    Jun, 2021 - Dec, 20216 months

    Worked as a front-end developer on the implementation of the e-commerce platform WIPIP that also manages the delivery of the products.

    • Implemented frontend for the WIPIP e-commerce platform

    • Managed product delivery logistics

    • Worked with Scrum and 6+ related technologies

  • Software Engineer

    Oct, 2020 - Jun, 20218 months

    Worked as back-end developer in PHP and JavaScript on a system that helps people find discount online and a web search application - from design to production.

    • Built discount-finding system and web search application

    • Developed from design phase to production

    • Worked with Scrum and 7+ related technologies

  • Frontend Developer

    May, 2020 - Oct, 20205 months

    Worked on the design and conception of the database of an e-commerce platform and the design of the platform.

    • Database design for e-commerce platform

    • UI design and platform structure

    • Worked with Scrum and 6+ related technologies

  • Full Stack web developer

    Jun, 2019 - Sep, 20201 year 3 months

    Worked as full stack developer on miscellaneous large scale mobile and web applications as back-end and front-end developer.

    • Large scale mobile and web applications development

    • Full-stack responsibilities across multiple projects

  • Full-stack Developer

    Feb, 2017 - Oct, 20181 year 8 months

    Worked as full stack developer on web and mobile applications to meet specific needs for individuals and companies.

    • Web and mobile applications development

    • Custom solutions for diverse clients

  • Contest champion

    Oct, 2016 - Oct, 20161 day

    Worked as an Android developer for the conception and implementation of a crowd sourcing news application. The app provided a set of tools to the user to publish news.

    • Android developer for crowd sourcing news application

    • Award-winning project

  • Web Developer Internship

    May, 2016 - Jun, 20161 month

    Worked as web developer on a geolocation project for Total S.A. that allows to find and see the reforestation projects in Haiti.

    • Geolocation project development

    • Environmental impact mapping

  • Mobile Developer

    Jan, 2016 - May, 20164 months

    Worked as an Android developer on the development of a system that would be used to monitor the work of security guards while on duty.

    • Android security monitoring system

    • Real-time tracking application

  • Backend Developer

    Aug, 2015 - Dec, 20154 months

    Worked as a back-end developer on the development of a rain data management system to avoid huge losses and prepare oneself when there's rain.

    • Rain data management system

    • Disaster prevention application

  • Junior Software Developer

    Feb, 2015 - Mar, 20151 month

    Work as a junior web developer on a sales platform for the employees of Digicel Group to manage the service called "mon cash".

    • Sales platform development

    • Employee management system

Skills

Skills

  • JavaScript

    ES6+

    Async/Await

    Promises

  • React.js

    Redux

    Hooks

    Component Development

  • PHP

    Backend Development

    Web Services

  • Full-Stack Development

    Frontend

    Backend

    Database Design

  • Microservices Architecture

    IoT Integration

    Scalability

  • Blockchain

    Data Traceability

    Ethereum

    Smart Contracts

  • E-commerce Development

    Platform Building

    Payment Systems

    Logistics Integration

  • REST APIs

    API Design

    API Integration

    Web Services

  • SQL & Databases

    MySQL

    PostgreSQL

    Database Design

  • Object Oriented Design

    Design Patterns

    Code Architecture

  • Scrum

    Agile Methodology

    Sprint Planning

    Team Collaboration

  • Docker

    Containerization

    DevOps

  • Amazon Web Services (AWS)

    Cloud Services

    Infrastructure

  • Microsoft Azure

    Cloud Platform

    Services

  • Web Development

    HTML5

    CSS3

    Responsive Design

  • Front-end Development

    UI Design

    User Experience

    Interactive Interfaces

  • Android Development

    Mobile Apps

    Java

  • Linux

    System Administration

    Server Management

  • Git & Github

    Version Control

    Collaboration

    Repository Management

  • NestJS

    Backend Framework

    TypeScript

  • Laravel

    PHP Framework

    Web Development

  • MongoDB

    NoSQL Database

    Document Storage

  • Node.js

    JavaScript Runtime

    Backend Development

  • Functional Programming

    Pure Functions

    Immutability

  • Vanilla JavaScript

    Core JavaScript

    DOM Manipulation

  • JSON Web Token (JWT)

    Authentication

    Security

  • Design Patterns

    Software Architecture

    Code Organization

  • Code Review

    Quality Assurance

    Team Collaboration

  • Customer Requirements

    Client Communication

    Project Planning

Education

Education

  • Ingénierie des contenus numériques, Master's degree, La Rochelle Université

    Jan, 2019 - Dec, 2020

    REST APIs

    Digital Content Engineering

  • Intelligent system and multimedia, Master's degree, Vietnam National University, Hanoi

    Jan, 2018 - Dec, 2019

    REST APIs

    Intelligent Systems

    Multimedia

  • Computer science, Bachelor's degree, École Supérieure d'Infotronique d'Haiti (ESIH)

    Jan, 2012 - Dec, 2016

    Computer Science

    Software Engineering

  • General Education, Secondary Education, Nouveau Collège Bird

    Jan, 1999 - Dec, 2012

  • React Native, Online Course, Zero To Mastery Academy

    Aug, 2021 - Oct, 2021

    React Native

    Mobile Development

Interests

Interests

  • Blockchain Technology

    DecentralizationSmart ContractsData Integrity
  • IoT and Traceability

    MicroservicesSupply Chain Solutions
  • Global E-commerce

    Platform DevelopmentLogistics
References

References

  • Available upon request