Freelancer profile translated to English.

Description

Solution architect, software & craft coach with over 20 years of experience in the design and development of distributed applications (SpringBoot, NodeJS, ReactJS, Angular).

Multi-cloud expert (AWS, GCP, Azure) and hexagonal architecture specialist, I support teams in industrialization, software quality, and the implementation of good development practices.

Passionate about knowledge sharing and clean code culture, I train and guide teams to strengthen their autonomy, the robustness, and the maintainability of their products

Industry field of expertise

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km), Chelles (up to 30km)

Forvia
Solution Architect
AUTOMOBILE
January 2025 - December 2025 (11 months)
Global intranet application (AI Sourcing Assistant – 500 users) – AI-powered decision-making tool for buyers
· Definition of the solution architecture (Hexagonal, Azure Functions/App Services, PostgreSQL, OpenAI, API & data integrations).
· Design and security of integrations: Forvia API Manager, Palantir Ontology API (SkyHigh internal certificates), SAP Ariba.
· Security & identity architecture: application ACLs, JWT claims, Azure RBAC, PingFederate & Entra ID integration.
· Technical governance: leading committees, development scoping, technical patterns, ADR writing (security, integration, OAuth2).
Stack: Python FastAPI, VueJS, Azure App Services, KeyVault, Blob Storage, PostgreSQL, Docker, Azure DevOps
Results achieved:
· Target architecture clarified
· Palantir/Ariba integration stabilized
· Enhanced security through an industrialized ACL model consistent across services
Business impact:
· Accelerated decision-making process for 500 buyers worldwide
· Establishment of a robust foundation for sourcing AI evolution
Python PostgreSQL Microsoft Azure Palantir Foundry Artificial Intelligence (AI)
INDIGO
Software Architect - AWS Devops
PUBLIC SECTOR
March 2024 - September 2024 (6 months)
Puteaux, France
Digitalization of IndigoNeo parking (web + mobile)
· Technical design & application architecture (Kotlin/Spring Boot backend, ReactJS/NextJS frontend).
· Full-stack development: backend services, REST APIs, frontend features, mobile integration.
· Implementation of monitoring and supervision: CloudWatch dashboards, OpsGenie alerting, NewRelic integration.
· Automation & AWS DevOps: API Gateway, Lambda, SQS, RDS, Cognito, CI/CD, performance & cost optimization.
· Continuous improvement and guidance of practices: code reviews, clean code, architecture guidelines, unit tests, continuous delivery.
Stack: Kotlin, SpringBoot, ReactJS, NextJS, AWS (Cognito, API Gateway, Lambda, SQS, RDS), Docker, Linux
Results achieved:
· Comprehensive monitoring implemented
· Significant stabilization of critical backend services
Business impact:
· Improved service availability = better customer satisfaction
· Reduction in booking/payment incidents
Kotlin AWS PostgreSQL SpringBoot Typescript
GALERIES LAFAYETTE
Independent
E-COMMERCE
August 2021 - March 2024 (2 years and 7 months)
Paris, France
E-commerce website redesign on GCP (Kotlin / Java microservices)
· Implementation of a common framework based on functional programming (Vavr, Arrow)
· Craft practices: pair programming, community of practice, code reviews
· Hexagonal architecture, clean code, TDD, BDD, monitoring, and observability
· Evangelization of best practices and mentoring of junior teams
Stack: Java 21, Kotlin, Spring Boot / Batch, Kafka, Redis, PostgreSQL, GCP, Jenkins, Dynatrace, Kubernetes
Results achieved:
· Code standardization → reduction of technical debt and variations between services
· Adoption of craft practices → enhanced reliability and maintainability
· Stabilization of key microservices during e-commerce peaks
Business impact:
· Improved resilience of customer journeys
· Faster time-to-market for new features
· Reduction of production incidents
Kotlin Java PostgreSQL Apache Kafka Cloud GCP

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Master's degree in Computer Science
University of Paris-Saclay
1993
Informatique théorique, systèmes répartis, algorithmie, base de donnée, réseau, ingénierie logicielle

Backend Web Developer

Vincent Lacoste

Software & Solution Architect - AWS GCP AZURE

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