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Harijaona RavelondrinaHR

Harijaona Ravelondrina

Senior Python/AWS/DevOps Developer

€550/day
Bois-d'Arcy, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Harijaona

Passionate about innovation and new technologies, I love discovering new projects and taking on new challenges. I will bring to your project the dynamism and qualities that have enabled me to succeed in my previous experiences.

I mainly use Python, Django/Flask, and React technologies to produce quality applications within controlled deadlines.

All aspects of your project are covered:

- Needs analysis, Estimation, and Design
- Development of Python, Flask, Django, FastAPI, Celery, and React and Angular applications.
- Monitoring and updates on project progress
- Implementation of Cloud (AWS) / On-premises infrastructure and application deployment

- Application monitoring and maintenance

Do you want to digitize your processes? Automate tasks? Formalize your needs?
Are you facing a recurring problem in your daily life and want to overcome it?
Have you imagined the tool you are missing but don't know how to make it a reality?

I am at your disposal to help you implement the best solution for you.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Bois-d'Arcy (up to 50km), Paris (up to 10km)

Experience

  • Allianz
    Python / DevOps Back-End Developer
    BANKING AND INSURANCE
    January 2023 - June 2023 (6 months)
    Paris, France
    We designed "News Feed Review", a tool that uses artificial intelligence to analyze relevant news, to alert credit analysts:
    - Restructuring of pipelines and MLOps infrastructure;
    - Writing unit and integration tests to ensure code quality and coverage;
    - Development of AWS Lambda functions:
    > To handle errors during ingestion and inference;
    > To process files uploaded to S3 (inference results);
    - Implementation of REST APIs with Elasticsearch, API Gateway, and CloudFront;
    - Creation of an AWS Glue job to manage the data retention strategy;
    - Management of AWS Cloud infrastructure with Terraform (IAM roles and policies, Elasticsearch, Lambda, Kinesis, Keyspace, Sagemaker, S3 Bucket, VPC);
    - Ensuring DevOps automation (CI/CD) with GitLab CI;
    - Monitoring infrastructure and logs with CloudWatch, Prometheus, and Grafana;
    - Daily collaboration with the team and the Product Owner during agile ceremonies.
    Python AWS Lambda Terraform Gitlab CI/CD AWS CloudWatch AWS Glue Elasticsearch Pytest AWS S3 AWS CloudFront Amazon DynamoDB AWS Keyspace AWS Kinesis Sagemaker Amazon DynamoDB
  • AIRBUS
    Fullstack Python / React Developer
    AVIATION AND AEROSPACE
    June 2020 - December 2022 (2 years and 7 months)
    Saint-Cyr-l'École, France
    We developed a system to analyze the life cycle of aeronautical equipment and assess its environmental impact:
    - Needs analysis and workload estimation;
    - Application and infrastructure architecture design;
    - Design of the data model to be used;
    - Development of unit tests to ensure code quality and good coverage;
    - Development of APIs with Django REST framework;
    - Implementation of a worker queue with SQS for impact calculation tasks;
    - Development of an AWS Lambda function to trigger processing when files are uploaded to S3;
    - Development of the application interface with React (UX/UI);
    - Ensuring DevOps (CI/CD) with Jenkins;
    - AWS infrastructure management with Terraform;
    - Support for acceptance testing and processing feedback;
    - Monitoring code quality and merge requests.
    Python Django Rest Framework PostgreSQL React.js Typescript Jenkins Terraform SonarQube AWS Lambda AWS S3 AWS Fargate AWS SQS Amazon RDS Docker JavaScript
  • World Bank (Unité de Gouvernance Digitale)
    Fullstack Python/Node.js/React Developer
    PUBLIC SECTOR
    November 2018 - May 2020 (1 year and 7 months)
    Antananarivo, Madagascar
    I served as technical lead and full stack developer. We improved the quality of access to public services, particularly through digitalization. We built a portal to expose public services and developed a platform to manage citizens' health profiles. We also implemented a platform to manage civil status (CRVS) and assign unique identifiers to Malagasy citizens.
    - Needs analysis and workload estimation;
    - Supervise technical choices and methods to be used;
    - Application and infrastructure architecture design;
    - Design of the PostgreSQL database model;
    - Development of unit tests;
    - Development of REST APIs, GraphQL, and microservices;
    - Development of applications and websites with React (UX/UI);
    - Implementation of continuous deployment with Jenkins.
    - Support for acceptance testing and processing feedback;
    - Ensure infrastructure scalability and application maintainability.
    Python Django Rest Framework PostgreSQL Amazon RDS Jenkins SonarQube AWS S3 AWS Fargate AWS SES AWS SNS Microservices React.js Redux.js Apollo NestJs Docker X-Road Redis Typescript JavaScript

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Education

  • Master of Engineering, MEng
    National School of Informatics, Madagascar
    2016
    Ingénierie logicielle et Base de Données

Skill set

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