s
saifeddine_makh

Marcos

@saifeddine_makh
5.0(2)

React Native Developer , AI Engineer , Scalable Mobile and Smart Apps

Tunisia
English, Arabic, French
About me
I build production software that ships: full-stack web, cross-platform mobile, and AI systems running in front of real users. Recent work includes a yacht management platform handling 50,000+ API requests daily, a GenAI chatbot SaaS serving 700+ businesses, and Play Store apps with 99%+ crash-free sessions. Stack: React, Next.js, Node.js, NestJS, TypeScript, React Native, Python, Go, PostgreSQL, LangChain. Tell me the problem, not the ticket. I'll scope it, build it, and ship it.... Read more

Skills

s
saifeddine_makh
Marcos
Offline • 
Average response time: 1 hour

See my services

Cross-Platform Development
I will do mobile app development flutter, ios , android , ai app
5.0(2)
From$100 / projectMore details
AI Implementation & Deployment
I will build ai agents and agentic workflows
From$60 / projectMore details

Portfolio

Work experience

YOT_System

Lead FullStack Developer

YOT System

Dec 2025 - Jul 2026 • 7 mos

Maritime tech company delivering AI-powered yacht management solutions. 4-engineer team. • Own platform features across React, Node.js/TypeScript, and React Native, reviewing 100% of pull requests and establishing code quality standards across the team. • Designed core backend architecture (PostgreSQL, MongoDB) handling 50K+ API requests/day via REST and event driven microservices, with JWT/RBAC authentication flows. • Set up GitHub Actions CI/CD with Docker, automating deployments across staging and production, cutting release time by ~60%. • Delivered 5+ major releases collaborating directly with C-level stakeholders — influencing scope, timelines, and architectural decisions across squads

2 Reviews
5.0

(2)
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Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-2 out of 2 Reviews
Sort By
Most relevant
    F
    image-docs

    foxmakers

    IT

    Italy

    Ongoing collaboration
    5

    well done, great job

    $100-$200

    Price

    2 weeks

    Duration

    gig

    Cross-Platform Development

    Helpful?
    Yes
    No
    W

    walltrade

    FR

    France

    5

    Very professional, did the work, always available if you need something and very flexible ! It is really a top recommendation to work with ! Gave me mutiple revision, everything was amazing ! Thanks man

    $400-$600

    Price

    6 weeks

    Duration

    gig

    Cross-Platform Development

    Helpful?
    Yes
    No