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Elia E.EE

Elia E.

Backend Developer | NodeJS | AWS | SQL | NoSQL

€630/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Elia

I am a seasoned backend developer, passionate about building robust and scalable solutions. I specialize in designing and implementing high-performance backend architectures.

Why choose me:

I am committed to delivering quality solutions, meeting deadlines, and collaborating closely with my clients to understand their unique needs. My goal is to create backend applications that not only meet expectations but exceed them.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • TotalEnergies
    Backend Developer
    ENERGY AND UTILITIES
    March 2023 - Today (3 years and 3 months)
    Paris, France
    Project: App Services: Implementation of the backend for the App Services project, which is a B2C mobile application for refueling and charging electric vehicles.

    - Analysis and functional and technical scoping of business needs

    - Implementation of technical architecture and solutions

    - Participation in the adoption of best practices within the team (Micro-services Architecture, TDD, DDD, CQRS, Asynchronous Jobs, Clean Code, monitoring…)

    - Implementation of different asynchronous communication flows (Kafka, RabbitMQ, Azure Bus, Websocket, Cron Jobs)

    - Implementation of the Rest API that allows launching electric charging sessions by linking our backend with partners responsible for direct communication with physical charging stations.

    - Implementation of the payment module by implementing different payment flows and protocols (3DS, Google Pay, Apple Pay, Sale, Pre-auth/Completion, refund, retry, invoicing) by linking our application with the partner PSP.

    - Implementation of the commercial offer management module (Subscriptions, Offer changes, cancellations…)

    - Production incident management (ELK stack)
    NestJs RabbitMQ Azure Service Bus Azure DevOps Microsoft Azure AWS Kubernetes AWS EKS PostgreSQL MongoDB Clean Architecture Node.js TypeORM Typescript Docker Jest Elastic Stack (ELK)
  • Groupe Scribeo
    Backend Developer
    PRESS AND MEDIA
    September 2022 - March 2023 (6 months)
    Paris, France
    Project: Automate the internal media process, create a prospect processing and search tool, and centralize existing media data

    - Responsible for the backend development of a notoriety extension based on Instagram Graph API

    - Retrieve articles chosen by the client and display them on the extension

    - Use CloudFront and S3 for storing and serving photos/videos

    - Creation of a prospecting accelerator using Lusha and Lusha API

    - Creation and configuration of APIs for task collection (companies to scrape), event collection, and data return (Selenium, Python, Flask, SQLAlchemy)

    - Creation of an internal dashboard to manage all received media requests

    - Processing the creation and signing of proofs of agreement (BAT) with Docusign

    - Automate the assignment of shooting dates for media
    Node.js AWS Google cloud Python flask Docusign SQLAlchemy ORM API PostgreSQL Selenium
  • Moment.team
    Backend Developer
    ENTERTAINMENT AND LEISURE
    November 2021 - September 2022 (10 months)
    New York, United States
    - Backend development with NodeJs, MySQL, MongoDB, Socket.io
    - Partial infrastructure management on AWS, Digital Ocean, and GCP

    On the following projects:
    - Dashboard for construction workers and citizens to connect local citizens with ongoing projects in the region (Eyemark)

    - Dashboard for an insurance company (BLinked)

    - Speakers platform for a Lunch&Learn company
    NodeJS AWS AWS EC2 AWS RDS Socket.io MySQL Clean Architecture AWS Lambda AWS SQS

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Certifications

Skill set (54)

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