Benjamin Legendre
Senior Software Architect | SaaS & Microservices
Salary / Daily rate
Toulouse, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
Freelance software architect with 15+ years specializing in microservices, SaaS platforms and cloud infrastructure. Successfully migrated legacy systems to modern architectures, designed Kubernetes-based private clouds, and built real-time IoT solutions for GNSS and renewable energy sectors. Expert in full-stack modernization delivering scalable, production-ready solutions.
Work experience
Software Architect
impression-these.comFreelance
Jun 2025 - Aug 2025
3 months
Full migration and modernization of the e-commerce platform: • Symfony 2 → 6 migration, PHP 5 → 8 • Backend refactoring (Clean/hexagonal), JS modernization → ES6 (removed JQuery/ExtJS) • Automated deployment (Docker, Terraform, Ansible, Gitlab CI) • Set up staging & CI/CD
Software architect - Backend developer
CozynergyFreelance
Nov 2024 - Jul 2025
9 months
Toulouse · Hybrid
• Microservice for PDF generation from Tally forms (via webhook) • Long-term incremental archiving process for invoices/credit notes
Software Architect
Syntony GNSSFreelance
Apr 2021 - Jul 2023
2 years 4 months
Toulouse, France
Design of a private cloud and its business applications within the R&D department. • Kubernetes cloud infrastructure (ACLs, monitoring) • Microservices application architecture (business services, REST APIs) • Critical microservices: ◦ GNSS ephemeris delivery ◦ Position correction and deployment site configuration management for SubWAVE system ◦ Softpot IoT tracker position calculations ◦ Multi-protocol IoT ↔ cloud gateway • Business web applications: ◦ Real-time IoT tracker mapping ◦ Monitoring & configuration of SubWAVE system (web UI & embedded API)
Freelance Fullstack Developer
WS Interactive
Jan 2021 - Mar 2021
3 months
Toulouse, France
• Migration of in-house CMS → Silex/ES6 for the «Intelligence» web portal (Airbus DS) • Search engine migration to ElasticSearch
Software Engineer
Texsys
Aug 2014 - Jan 2020
5 years 6 months
Toulouse, France
Design and development of Datem Cloud, a platform for production management and performance analysis for renewable energy plants. • Microservices architecture and SPA frontend • Multi-protocol framework for continuous operational data collection (OPC, Modbus, FTP/CSV...) • Real-time KPI engine based on GNU R (configurable calculation formulas) • Production forecasting indicators (wind/solar) from Météo-France “GRIB” files • Bare-metal deployment via Debian APT packages • Private GSM VPN network for isolated sites
Web Developer
Various IT service providers and web agencies
Dec 2008 - May 2014
5 years 6 months
Toulouse, France
Summary of my first professional experiences: • REST API backend for mobile apps of the e-commerce website «vente-du-diable.com» • Redesign of e-commerce site impression-these.com (Joomla → Symfony) • E-commerce sites for automotive/motorcycle (SIPA, VPN autos, moto-selection.com, encheres- vo.com) • Database importer OsCommerce → Magento Design, technos & methodology : PHP, Symfony, API Rest, Linux, DDD
Education
Conservatoire National des Arts et Métiers
Ingénieur Informatique option architecture et ingénierie systèmes et logiciels
2013 - 2020
7 years 1 month
Université Toulouse 1 Capitole
Licence Pro RTAI
2007 - 2008
1 year 1 month
CaenSup Sainte-Ursule
BTS IG
2005 - 2007
2 years 1 month