Sylvain Josserand
Verified Expert in Engineering
Python Performance Developer
Boulogne-Billancourt, France
Toptal member since August 4, 2018
Sylvain has been working in IT for 14 years, primarily as a software developer with a strong focus on systems and networking. He has a long history of quick and successful delivery of complex projects. Sylvain's favorite stack is Python, Django, Linux, and SQL.
Portfolio
Experience
- Python - 20 years
- Linux - 18 years
- SQL - 14 years
- Django - 12 years
- Python Performance - 11 years
- Performance Analysis - 10 years
- PostgreSQL - 8 years
- Google Cloud Platform (GCP) - 5 years
Availability
Preferred Environment
Google Cloud Platform (GCP), Python, Linux
The most amazing...
...project I've worked on is a pricing engine for mutual funds assets totaling $5 trillion USD.
Work Experience
Back-end Developer
Parseur
- Built the API of the Parseur web application (parseur.com) using Python, Django, PostgreSQL, and Django REST Framework on Ubuntu Linux.
- Set up and maintained all the server infrastructure of Parseur.com hosted on the Google Cloud Platform using Fabric.
- Wrote technical and operational articles on the company's blog.
- Opened and documented the public RESTful API using Django REST Framework.
- Integrated Parseur for use as both an action and trigger in Zapier and Microsoft Flow.
Lead Developer
Irdeto
- Built a complete video stream tracking web application from scratch using Django and Python over AWS.
- Wrote a complete suite of unit tests for Django and Python.
- Integrated the custom Active Directory-based single sign-on (SSO) into the Django application.
- Handled system and networking operations on Amazon Web Services (AWS).
- Successfully handled communication with all stakeholders to achieve project completion ahead of time and budget.
Software Engineer
Neoxam
- Implemented a compiler targeting Python in Python with high-performance constraints.
- Profiled Python code and wrote modules in Cython and C where necessary.
- Wrote a memory-efficient parser and code generator.
- Internationalized the software to allow several languages using gettext and .po/.mo files.
- Wrote extensive unit tests to achieve 100% code coverage.
- Acquired knowledge of UCITS and other financial products.
Experience
Parseur
https://parseur.comYou can then send this information to any application that requires it.
Priceur
https://priceur.comEducation
Bachelor's Degree in Software Design
Université Joseph Fourier - Grenoble, France
University Diploma of Technology in Telecommunication and Networking
Annecy Institute of Technology - Annecy-le-Vieux, France
Certifications
PSM I (Professional Scrum Master)
scrum.org
Skills
Libraries/APIs
Stripe API
Tools
Git
Languages
Python, SQL
Frameworks
Django
Paradigms
REST, Test-driven Development (TDD)
Storage
PostgreSQL
Platforms
Linux, Google Cloud Platform (GCP)
Other
Python Performance, APIs, Performance Analysis, Profiling, Back-end, Web Development, GSM, Electronics
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