Freelancer profile translated to English.

Description

Lead Python/Django Developer with over 16 years of experience in designing, developing, and modernizing SaaS platforms. Expertise in Domain Driven Design (DDD) software architecture, Python, Django, PostgreSQL, CI/CD, and Cloud. Experienced in supporting technical teams, managing complex migrations, and improving software quality. Convinced that technology is primarily a lever to serve user needs and business objectives.

Languages

French
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Opquast
Lead Developer
January 2017 - January 2025 (8 years)
Bordeaux, France
— Maintenance and modernization of a SaaS platform with 54,000 lines of Python (385 modules) over 8 years — including Python 2→3 and Django 1→5 migrations.
— Design and optimization of GitLab CI/CD pipelines, improving delivery reliability.
— Strengthening software quality through automated test coverage.
— Supporting the team in adopting Python best practices and Domain Driven Design.
— Migration to Clever Cloud PaaS, improving service resilience and operation.
— Contribution to product strategy by participating in pricing decisions and functional trade-offs.
— Development of LTI 2.0 support, enabling the integration of Opquast services into LMS platforms such as Moodle.
— Contribution to obtaining the A Greenoco Label and the Responsible Digital initiative.
— Replacement of legacy systems and integration of third-party services (Cloudinary, CloudConvert, Smowl, Pennylane) to reduce technical debt.
— Redesign of user template management using Factory patterns and modernization of the user interface with Bootstrap 5, improving code maintainability and user experience.
— Design of an OAuth2/SSO identity provider for the entire Opquast application ecosystem, simplifying account management and user experience.
— Development of the Open Badges generation system to enhance the training paths and certifications of platform users.
Python Django Git Domain Driven Design
Temesis - Accessibilité, écoconception et RGPD
Web Architect Engineer
January 2009 - January 2017 (8 years)
— Complete redesign of the online "Reporting" service by migrating the historical application from PHP to Django, improving its maintainability and scalability.
— Replacement of internal document processing with CloudConvert, simplifying the application architecture and improving the robustness of document generation processes.
SQLI Agency
Lead Symfony Developer
April 2009 - October 2009 (6 months)
390 Plaine Saint Denis, Nassandres, France
Interventions for several major clients in the banking, e-commerce, telecommunications, and logistics sectors.
— Technical leadership of a Symfony offshore team in Oujda (Morocco) for the development of a web platform for investors.
— Development for BNP Paribas of a community platform integrating LDAP authentication and social network-inspired collaborative features, facilitating interactions between internal users.
— Orange Labs - E-commerce development under Magento for artisan networks, contributing to their business digitalization.
— Development for Groupe La Poste of a decision-making tool to analyze ColiPoste's performance through delivery times, success rates, and service quality indicators.

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IMAC Engineer
Université Marne-la-Vallée
2009
Ingénieur IMAC
DUT SRC
Université Nancy 2
2006
DUT SRC

Samuel Martin

Python/Django Dev 🐍 ⬩ Green IT ⬩ User-focused

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