Work

Multi-tenant B2B SaaS built with NestJS and PostgreSQL: atomic stock reservation, Row-Level Security isolation, orders with Idempotency-Key, signed payment notifications and compensation, outbox, shipping and emails, Angular front end. k6 load tests, observability, supply-chain security, AWS deployment in Terraform. 167 tests, 8-job CI.

Platform that measures the answers of a model, a RAG pipeline or an agent, detects regressions and fails the CI. Python and FastAPI, LLM judge, Ragas and DeepEval, agent trajectories, prompt injection, RabbitMQ workers, OpenTelemetry, OpenShift-compatible Kubernetes deployed with Ansible. 184 tests, 10-job CI.

Multi-tenant platform that monitors APIs, opens an incident once an outage is confirmed, alerts through signed webhooks or Slack, and monitors itself. .NET 10 microservices, RabbitMQ with an outbox, SignalR, Vue 3, 257 .NET tests and Playwright journeys run against the Docker images in CI.

Autonomous intelligent pipeline: form interception, real-time web enrichment (Tavily), service Knowledge Base, prospect scoring and personalized email in < 30 seconds.

Legaltech platform for the Cameroonian market, built end-to-end for its legal-expert founder: Laravel API, Angular SSR+PWA frontend, Next.js blog, escrow payments, video consultations, real-time messaging, 41 vulnerabilities closed, LCP 5s to 1.5s.

A self-hosted 'second brain': an Obsidian vault made readable AND writable by any AI via a dedicated MCP server (OAuth), RAG with local Ollama embeddings + Qdrant, DeepSeek generation, idempotent differential indexing, human-validated AI writes.

Complete information system for a public engineering school in Cameroon: online admission exams with PDF registration forms, academic management, research labs, payments, student portal, Laravel + React, running in production on the school's official domain.

RNCP certification exams (BC02 + BC04): cloud-native microservices architecture and project management for a simulated Cameroonian agro-industrial group, ERP, CRM, offline-first Supply Chain, BI, hybrid AWS, Hyperledger Fabric blockchain, budget and KPIs. Team of 3, delivered in 3 days.

EADL 'Cloud Services Administration' course project: full specification document and Docker deployment of a sovereign Nextcloud private cloud for a Cameroonian IT services SME, GDPR compliance, MoSCoW functional specs, CAPEX/OPEX, architecture diagrams in EdrawMax.

Hybrid cloud architecture for an e-commerce company in Cameroon: 3 interconnected sites, Microsoft 365 migration, disaster recovery plan, and a €86K first-year budget.

Online pharmacy management and medicine ordering platform delivered on 3 platforms (Spring Boot, Angular, Flutter) by a team of 4 I coordinated, 12+ merged PRs, GitHub Actions CI/CD, SonarQube and OWASP ZAP.