Freelancer profile translated to English.
Back to original languageAbout Fayçal
🏅 Super Malter — 21 missions • 15 reviews 5/5
👨💻 Lead FullStack Dev, ex-CTO of 2 startups (Elixir/Phoenix)
🧪 8 years of experience — TypeScript, Elixir, React Native, AWS EKS
🎯 Specializing in Elixir/Phoenix, project audits & rescue, cloud architecture
—
Graduate engineer from INSA Toulouse, Lead FullStack Developer with 8 years of experience in the Elixir/Phoenix ecosystem and modern TypeScript stack (Node.js, React, React Native, Nest.js, Hono).
🔹 Expertise
• Backend Elixir/Phoenix — APIs, LiveView, OTP, PETAL stack
• Backend Node.js / TypeScript — Nest.js, Hono, Express
• Frontend — React, Vue.js, TypeScript, Tailwind, XState, Redux
• Mobile — React Native / Expo, payments (Adyen, Stripe)
• DevOps — AWS EKS, Terraform, Argo CD, Docker, Kubernetes, CI/CD
• Cloud architecture & cost optimization (up to -60% for a client)
🔹 Key Experiences
• Lead FullStack Dev on multi-tenant SaaS (TS, RN, Hono, MongoDB, AWS EKS)
• Tech Lead at Skeem — Elixir/Phoenix + React, v2 migration, mentoring
• Co-founder CTO QualFlo (productivity, IoT SigFox/LoRa)
• CTO Ledemarcheur (1st real estate platform in Burkina Faso, Phoenix LiveView)
• Industrial projects (Airbus/Sphera), medico-social, mobility, ticketing
🔹 Types of missions
✅ Technical & architecture audit
✅ Rescue of blocked Elixir/Phoenix projects
✅ TypeScript or Elixir development subcontracting
✅ Elixir-Phoenix mentoring & training
✅ AWS / Kubernetes infrastructure migration / optimization
✅ Tech consulting & interim lead for non-tech founders
🔹 Certifications & languages
🎓 AWS Cloud Practitioner (2024) — Solution Architect Associate in progress
🌍 French bilingual • Professional English (TOEIC)
🔹 Availability
Short or recurring missions, evenings and weekends. Response within 1 hour.
Feel free to contact me to discuss your project — free quote, no obligation.
English
Fluent
French
Native or bilingual
Can work on-site
Paris (up to 10km), Montpellier (up to 10km), Bordeaux (up to 10km), Toulouse (up to 10km), Lyon (up to 10km)
Experience
- SkeemTech Lead - Elixir/Phoenix, React.jsFILM AND AVApril 2023 - May 2024 (1 year and 1 month)Toulouse, FranceSkeem is a video production organization platform.As Tech Lead at Skeem.io, I helped migrate the old codebase and successfully implemented v2 of the solution, incorporating new interfaces, features, permissions, roles, and video encoding, etc. I also introduced agile methodology, conducted code reviews, helped recruit and mentor two junior developers, and added code quality check tools.
- AIRBUSFullStack Web Developer JavaScriptAVIATION AND AEROSPACENovember 2022 - April 2023 (6 months)Toulouse, FranceSPHEREA Group offers testing solutions to increase the availability and operability of critical systems, including certain Airbus projects.As a FullStack Node.js/JavaScript developer at Spherea (Airbus Group subcontractor). Added features, updated codebase, and fixed bugs on an aircraft testing application.I was responsible for communication with the Spanish team on the backend.Team: nearly 50 developers, POs, LTs, including about 30 on-site in Toulouse, and twenty in Spain.
- OummahRiageBackend / DevOps DeveloperSOCIAL NETWORKSAugust 2022 - November 2022 (4 months)Paris, FranceOuhmmariage is a dating mobile application.As a Backend Developer at Oummariage, I fixed numerous bugs, optimized the Rest APIs and WebSockets used by the mobile application, improved the backend, and introduced features like payment and chat. I also successfully reduced AWS server costs by over 60% through AWS service optimization. I also migrated the database from MySQL to PostgreSQL to improve reliability, efficiency, and query processing.
Reviews
Recommendations
FU
+1
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Education
- Computer Science and Networks Engineer, Innovative Smart Systems SpecializationINSA Toulouse2019
Certifications
- TOEICTOEIC Program2019