About Harold
French
Native or bilingual
English
Fluent
Experience
- NWLead DeveloperMarch 2023 - December 2024 (1 year and 9 months)Paris, FranceDevelopment of systems contributing to the balancing of the electrical grid through batteries (NW JBox) connected to the national grid:• Technical lead of an Agile team in an international context (English)• Development of services enabling the automatic sale of battery energy to transmission system operators (e.g., RTE) to stabilize the electrical grid and generate revenue through auctions• International expansion of the system (e.g., Finland), adapting auction services to local markets• Design of a microservices architecture (FastAPI, Celery)• Implementation of unit tests and introduction of hexagonal architecture to ensure code reliability• Development of an internal web interface for auction monitoringTechnologies used: Python, FastAPI, Celery, Redis, React, MQTT, Docker
- SharingCloudDeveloperAugust 2019 - September 2022 (3 years and 1 month)92100 Boulogne-Billancourt, FranceMissions related to various solutions:• Develop and maintain a meeting room reservation system• Develop and maintain a REST API• Implementation of asynchronous codeTechnologies used: Django/DRF, Celery, React, JQuery
- Lobster FilmsDeveloperFebruary 2017 - January 2019 (1 year and 11 months)Paris, FranceDevelopments carried out:• Company website• Online store• Internal tools and softwareTechnologies used: Symfony, Django, Celery, Bootstrap, Wordpress, PyQt
Recommendations
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4