Freelancer profile translated to English.

Description

IT developer for 10 years, I have acquired expertise in Ruby and Rails through the development of complex web applications for various startups. My professional background includes several startups and large groups such as Vente Privée, Strikingly, Orbit, CoinHouse, and Electra.

In addition to application development, my skill set also extends to cloud architecture (GCP), performance, and database optimization (Postgres).

Languages

French
Native or bilingual
English
Fluent
Chinese
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Coinhouse
Senior Backend Developer
DIGITAL AND IT
October 2024 - April 2025 (6 months)
Paris, France
- Development of an automated system for customer data management in compliance with current regulations
- Integration of systems from various partners
External API Integration PostgreSQL Cloud Integration
BetaGouv -Rdv Service Public
Senior Developer - Consultant
PUBLIC SECTOR
May 2023 - August 2025 (2 years and 3 months)
Paris, France
Developer of an open-source platform for appointment scheduling in town halls and social welfare centers.
Orbit
Senior Software Engineer
DIGITAL AND IT
October 2021 - October 2022 (1 year)
Paris, France
- Investigate & fix memory fragmentation issues with background jobs: Better memory management using Jemalloc & tuning the Garbage collector on Heroku
- Migrated search feature from Algolia to self-hosted ElasticSearch on Amazon Web Services: Reduce search bill by a factor of 10
- Implemented a dashboard for Application & Infra metrics (SLA, SLO, SLI): Provide insights and custom alerts regarding app health
- Built infra (Amazon SNS, Kafka, Shopify Packwerk) and CLI to backup & recover lost API write data: Developers could retrieve users requests data after app outage
Ruby Ruby on Rails PostgreSQL

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Degree in Management Information Systems
National School of Applied Economics and Management
2013

Abdou Ousmane

Expert Ruby & Rails. Postgres DB. Google Cloud.

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