Freelancer profile translated to English.
Back to original languageAbout Théotime
🚀 My Profile
Full-stackdeveloper focused onbackend and data/AI**, I support the design and delivery of **intelligent web products and data pipelinesusing React/Node.js/Python/SQL.
I can take on aproject from A to Z autonomouslyorintegrate into an existing team(R&D, data, product).
Thanks to asolid scientific and business foundation(LCA, accounting, finance, supply chain), I quickly understand your data and challenges.
🛠️ What I Can Deliver
✅Custom web applications
(MVP, SaaS, dashboards, internal tools)
✅Rapid prototypes to validate an idea
(short iterations, ultra-fast AI development)
✅Improvement and maintenance of existing tools
(overhaul, new features, reliability)
✅Smooth data flow
(collection, cleaning, transformation, multi-source integration)
✅Integration of AI components into your products
(chatbots, assistants, automation, content generation)
✅Robust databases tailored to your needs
✅Production deployment and industrialization
(cloud, deployment, monitoring, performance)
⚙️ My Working Style
I adapt to your priorities:
🎯Fast time-to-market→ short iterations, effective MVP
🏗️Sustainable product→ structured, maintainable, reliable, and documented code
💼 Key Experiences
Lead full-stack developer at an AI SaaS startup
Data engineer on multi-source logistics pipelines in mass retail
Data engineer/AI R&D on environmental data (LCA)
Do you have a project or a technical need?
I am available to discuss it.
French
Native or bilingual
English
Fluent
German
Conversational
Can work on-site
Paris (up to 50km), Montpellier (up to 10km)
Experience
- HolisData Engineer / AI IntegratorENVIRONMENTALJune 2025 - Today (1 year)Paris, FranceStartup developing a Life Cycle Assessment (LCA) software in SaaS. R&D team.
- Construction of a Canonical Data Model (CDM)
- Design of data pipelines for ingestion, transformation, and provision (ETL) of LCA databases (inventories, impacts, emission factors).
- Integration of environmental databases (Ecoinvent, Base Impact...)
- Performance optimization (batch/stream processing, multi-processing)
- Close collaboration with LCA experts and product teams to ensure scientific reliability
- Implementation of AI pipelines (RAG, LLM)
- Système UData EngineerRETAIL (LARGE RETAILERS)June 2024 - Today (2 years)Paris, FranceMass retail company. Logistics and supply chain team.
- Automation of logistics data processing pipelines
- Harmonization and matching of multi-source data
- Development of data validation scripts
- Development of advanced SQL queries (CTE, PARTITION BY, transactions, JOIN..)
- Data preparation for business intelligence reporting
- AstrevaLead DeveloperHUMAN RESOURCESJuly 2023 - Today (2 years and 11 months)Paris, FranceHRTech startup developing an LLM-assisted recruitment platform. Technical lead, I manage all aspects of project development.
- Writing technical specifications
- Designing software architecture
- Full-stack development of the SaaS platform
- Creating the CI/CD pipeline
- Integrating LLM models via API (OpenAI)
- Connecting with third-party APIs
- Developing interfaces between Data Providers and the internal database
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Education
- Digital Technology ArchitectEcole 422022Classement top 10 sur 400 participants à la piscine de 42. Suivi du cursus tronc commun : C/C++, algorithmie, développement web, linux...
- Higher Education Diploma in Management (DESMA)Grenoble Ecole de Management2022Diplôme polyvalent en Management, avec une spécialisation en analyse financière et finance de marché.