Jean-Michel LIEVIN
Senior Full-Stack | Data Engineer | AWS
Salary / Daily rate
Marseillan, France
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
With over 10 years of experience in backend development, I specialize in bridging the gap between robust software engineering and advanced data solutions. What I bring to your squad: * Data Industrialization: Building scalable ETL/ELT pipelines and integrating complex data flows (experience in M&A data transitions). * Cloud Architecture: Designing secure and cost-optimized infrastructures on AWS. * MLOps & Quality: Enhancing model reliability using LangSmith and data-centric AI approaches to r
Work experience
Independent Data & MLOps Consultant
FreelanceFreelance
Dec 2025 - Present
11 months
Remote
Cybersecurity & NLP (Client: GitGuardian / Sqwad): • Optimized secret detection models (API keys, tokens) through large-scale data analysis and annotation using LangSmith. • Enhanced model precision via advanced edge case categorization and systematic identification of false positives. • Analyzed complex code contexts to ensure the reliability and integrity of MLOps training datasets. Tourism Sector: • Developed MLOps and Data Engineering solutions tailored for the hospitality industry. • Designed and industrialized predictive models and conversational agents (RAG) within Cloud environments (AWS/Docker).
Full stack developer
EUROPEAN CAMPING GROUP
Jul 2017 - May 2024
6 years 11 months
Montpellier, France
Optimization of campsite fleet management, increasing operational efficiency by 50%. Correction and enhancement of websites, reducing critical errors by 40% and improving loading performance by 25%. Development and diversification of the offering through cross-selling across multiple brands. Implementation of an industrialized process for data recovery and integration, optimizing management efficiency.
Web developer
N-Gine Innovation
Jun 2016 - May 2017
1 year
Nîmes area, France
• Web services development, SaaS, Server conguration • Contributed to sports and health-related web services • Development of RESTful APIs
Banking operations technician
Banque Populaire
Feb 2015 - May 2015
4 months
Saint-Estève, France
Regional administrative headquarters, desktop publishing and DTP digitisation department.
Web developer
MORCEUS
Feb 2014 - Mar 2015
1 year 2 months
Canohès (66)
• Technical manager for custom made websites development • Developed websites for a communication agency
Back-end developer
DASH GLOBAL LTD
Jul 2013 - Jan 2014
7 months
21600 Longvic, France
• Developed an administration part for vehicle management for a company specializing in chartering and transport organization
Sales consultant
CARREFOUR
Jun 2005 - Jul 2013
8 years 2 months
21800 Quetigny, France
• Sales, stock management, orders, commercial operations, seasonal team management.
Web developer
Divioseo
Jan 2013 - Mar 2013
3 months
Greater Dijon Area
• Developed automated tasks and worked with CMS Wordpress for a web agency specialized in SEO
Education
Mines ParisTech
Training certified by the Ecole des Mines de Paris PSL Executive Education
2025 - 2025
5 months
Digital Campus Paris
Multimedia Project Manager
2016 - 2017
1 year 1 month
High School Castel Bourgogne
Software developer
2012 - 2013
1 year 1 month
Saint Vincent de Paul School
baccalaureate
2002 - 2004
2 years 1 month
Eugène Guillaume school
NVQ - GNVQ
1999 - 2001
2 years 1 month