Freelancer profile translated to English.
Back to original languageAbout Florent
With over 20 years of experience in the telecommunications industry, I have developed both technical and strategic expertise, ranging from collaboration with major operators to co-founding Callr, an innovative solution that is revolutionizing telecom interactions.
I have designed and managed the development of complete platforms for operators. My background has led me to master crucial aspects such as high availability, scalability, and system security, which are essential in a demanding environment.
Versatile and results-oriented, I am also recognized for my skills in design, development, and management of technical teams, allowing me to support projects from their initial conception to their scaling up – or even to turn around struggling initiatives.
I work daily with a wide range of modern technologies (CI/CD, Ansible, AWS, Docker, Debian, GitLab, Go, Nodejs, Deno, Python, FreeSWITCH, Asterisk, Kamailio, RTPengine, Redis, Nginx, MySQL, Prometheus, Grafana, Javascript, Vue, and many other telecommunication and monitoring technologies).
This technical mastery, combined with a global vision of business challenges, allows me to provide tailor-made, robust, and innovative solutions that meet the current challenges of companies.
English
Native or bilingual
French
Native or bilingual
Can work on-site
Paris (up to 20km)
Experience
- CallrCTO - co-founderTELECOMMUNICATIONSFebruary 2010 - Today (16 years and 5 months)Paris, FranceI designed, developed, and maintained the technical platform of a telecom operator: VoIP interconnections, billing engine, routing engine, distributed storage, distributed databases, datacenters in different regions, client and administrator management interfaces (UI).Some projects:- SIP and SIP/TLS interconnections, FFT compatible with open source solutions,- Interfacing with the GIE EGP for mobile portabilities and with the APNF platform for landlines,- Call signing solution (STI-AS) and signature verification (STI-VS) for the MAN (number authentication mechanism),- Creation of Prometheus exporters in Go for Kamilio and FreeSWITCH, in open-source (https://github.com/florentchauveau/kamailio_exporter),- Implementation of the BINRPC protocol of Kamilio in Go (https://github.com/florentchauveau/go-kamailio-binrpc),- Development of Callr Actions, a low-code YAML solution allowing to write call flows that interact with external data/APIs,- Creation of a Salesforce application allowing to make calls directly in Salesforce, with call summaries generated by AI and automatically integrated into relevant Salesforce objects, such as Leads, Accounts, and Opportunities.- Creation of a low latency streaming engine combining LLM, speech-to-text and text-to-speech, enabling the creation of high-performance virtual voice agents (AI Voice Agents).
- PolyconseilConsultantDIGITAL AND ITSeptember 2011 - June 2012 (9 months)Paris, FranceI worked on the Autolib' project: audit of the telecommunications platform, deployment of IPSEC tunnels, deployment of servers, projects around Postgres (online PITR, pgpool2 failover, heartbeat).
- digitradLead engineerTELECOMMUNICATIONSOctober 2006 - September 2009 (2 years and 11 months)Paris, FranceMaintained, took over, and developed a unified communications (UC) platform - PSTN / VOIP / WEB.
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Education
- Computer EngineerEPITECH2006