Freelancer profile translated to English.
Back to original languageAbout Abraham
🎯 I put my passion, commitment and good humor at the service of ambitious tech projects.
Thanks to a strong ability to adapt and a natural team spirit, I quickly integrate into an existing environment to become operational in record time — whether on projects from scratch or in full redesign phase.
đź’ˇ My role: to design, develop and evolve robust, scalable and well-thought-out web applications, in collaboration with product, dev and ops teams.
âś… My key expertise:
Full-stack development with Node.js (TypeScript) on the back-end and React on the front-end.
Design of custom services, REST and GraphQL APIs, data flow management, continuous integration.
Good DevOps practices and smooth interactions with infra / SRE teams
Quick understanding of business needs to propose concrete, effective and sustainable solutions.
✨ What sets me apart:
An approach focused on product value
Clear communication with all trades
A real desire to move the project forward collectively, with high standards and benevolence
Whether you need occasional reinforcement or a long-term technical partner, I can intervene at all stages of an application's life cycle.
English
Native or bilingual
French
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- KeringSenior FullStack React/Node DeveloperLUXURY GOODSMarch 2024 - Today (2 years and 5 months)Paris, FranceDuring this mission, I participated in the design, development and optimization of an ecosystem of internal tools related to event management, data integration and customer support improvement, in a distributed environment with a high volume of data.Stack: NestJS, Kafka, Postgres RDS, dbt, bigQuery, DocumentDB, NextJS, TanStack, Zod, trpc, GraphQL, REST, React, Google Cloud, Kubernetes, AWS.Among my key achievements:
- Integration of external services: development of services to retrieve Wrike events, and to read, transform and publish data to third-party systems — facilitating tracking, coordination, and automation of exchanges.
- Data management: design of services to manage customer data with direct integration into Google Cloud.
- Architecture & APIs: refactoring of an internal library to make it modular, improvement of REST and GraphQL APIs with the addition of new features to enrich the user experience and extend the system's capabilities.
- Frontend & mobile: development of new interfaces on the internal event management platform, resolution of navigation problems in the customer support app, and development of a mobile application dedicated to guest management (check-in).
- Infrastructure: migration of jenkins to github actions, configuration of services on AWS, and involvement in pre-production and production phases. Proactive work on identifying and resolving problems in a multi-service environment.
- L'OREAL SASenior FullStack Typescript/Angular/React/Node DeveloperFASHION AND COSMETICSSeptember 2023 - December 2023 (3 months)Paris, FranceDuring this mission, I participated in the development of a software solution for the evaluation and justification of regulatory compliance of products, with performance and maintainability challenges.Stack: Angular, NestJs, Docker, MSSQL, Azure.Among my key achievements:
- Pagination & API performance: development and integration of a global pagination module for managing large volumes of data, with the implementation of controls to limit the data returned per response. Result: improved backend performance and user experience.
- SQL optimization: in-depth analysis of SQL queries, implementation of targeted indexations and refactorings, significantly reducing execution times and streamlining data access.
- Data export: creation of a multi-format export module (Excel, CSV, JSON) with dynamic selection and generation of downloadable files.
- KeringFull Stack EngineerLUXURY GOODSMay 2022 - September 2023 (1 year and 5 months)Paris, FranceDuring this mission, I participated in the design, development and optimization of an ecosystem of internal tools related to event management, data integration and customer support improvement, in a distributed environment with a high volume of data.Stack: NestJS, AWS S3, Kafka, Postgres RDS, DocumentDB, GraphQL, REST, React, AWS.Among my key achievements:
- API migration: transformation of REST APIs to NestJS, replacement of express-graphql with @apollo/server to gain performance and stability, redesign of a central data orchestrator.
- Development of critical services: management of product returns, customer notifications, transformation and publication of data to external systems.
- Security & architecture: implementation of an ACL (Access Control List) system, creation of a REST API connected to AWS S3 for multi-format asset management.
- Frontend: display optimization, Webpack → Vite migration, redesign of non-scalable components, and implementation of single/multi-brand navigation according to user rights.
- Infrastructure: configuration of the dev toolbox with Kubernetes, participation in the integration of services on AWS, and direct involvement in the deployment phases.
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Education
- MCSc Software Engineering and Systems Integration, Computer ScienceUniversity of Rennes I2019MCSc Software Engineering and Systems Integration, Computer Science
- Bsc in Computer Science, Computer Science, Programming, OO ProgrammingUniversity of Rennes I2017Bsc in Computer Science, Computer Science, Programming, OO Programming