Projects delivered
Concrete cases to verify quality before the first conversation.
Each case study highlights the problem, approach, deliverables and measurable impact.
Reference caseNexus Platform
Multi-channel financial investment platform — web, mobile, admin and technical blog.
- Signal
- 4 surfaces (web, mobile, admin, blog) on a unified backend
- Role
- Software Architect & Lead Fullstack
- Stack
- Next.js 14 · React Native · Node.js
Cases structured by context, architecture, deliverables and impact.
60 % more conversions, ~15 h saved per weekProspect-Pro AI
AI-powered B2B prospecting: multi-channel sourcing, lead scoring and message personalization.
4 wearable ecosystems unified (Garmin, Apple, Samsung, Xiaomi)RunWeek
Connected sports tracking unifying Garmin, Apple Watch, Samsung and Xiaomi in a single experience.
Editorial production x3 without dedicated designerMailCraft
WYSIWYG newsletter editor with PDF generation and responsive template library.
3 business lines, delivered in 4 months, transferred debt-freeGroupe Drapeau — Corporate Website
Three-line corporate website for a Togolese civil engineering, equipment rental and real estate player.
Lighthouse 95+, LCP < 2.5s on simulated 3GVolvo EX30 — Interactive Demo
Immersive web showcase for an electric vehicle: scroll-driven storytelling, performance and accessibility.
25,000+ NPM downloads@le-sourcier/n8n-nodes-mailwizz
Unofficial N8N node for MailWizz — subscribers, lists, campaigns and transactional sends in one connector.
4 inference backends supported in version 0.1.0n8n-nodes-gpt-oss
N8N node for self-hosted open-source GPT models — local LLM agent orchestration.
Up to 70 % heating savings, -75 % CO₂HomeEnergy
SaaS energy consumption simulator: savings, CO₂ and real-time action plan.
Agency operations covered in version 2.1.13n8n-nodes-mailwizz-ls
Enhanced fork of the N8N MailWizz node: advanced list, segment and tag operations.
Need a profile that can scope, build and deliver?
I can help with product diagnosis, architecture, development and production deployment.
- Format
- Full-time, freelance, long mission
- Focus
- SaaS, API, back-office, automation