Majit Mambetzhumayev

Full-Stack Software Engineer

Remote | France

Profile

Full-stack software developer building production-ready web applications from scratch.

Experienced in autonomous development, product-oriented thinking, and shipping real systems used in production. Background in engineering and industrial consulting, bringing rigor, documentation discipline, and reliability to software projects.

Professional Experience

  1. 2023 — Present

    Founder / Full-Stack Developer

    Lead Generation SaaS
    • Designed and developed a full-stack SaaS for automated lead capture and processing

    • Frontend built with Next.js (App Router), React, TypeScript, Tailwind CSS

    • Backend REST APIs with Node.js/Express, webhook validation, and third-party integrations (Make.com, Notion API)

    • Data persistence with PostgreSQL (Railway), structured schemas and migrations

    • Email workflows and transactional messaging (Resend)

    • Test coverage with Jest for unit and integration testing

    • Deployed and operated in production with CI/CD pipelines (GitHub Actions, GitLab CI, Vercel)

    • Key focus: autonomous development, product ownership, production delivery

  2. 2016 — 2024

    Piping Designer

    Industrial Engineering Consulting · Capgemini · Bee Engineering · Abylsen
    • Client-facing consulting role on industrial and engineering projects

    • Worked with structured milestones, validation steps, and decision points

    • Produced technical documentation, standards-compliant deliverables, and proofs of concept

    • Collaborated with cross-functional teams under strict quality and production constraints

    • Developed automation scripts (Python, Bash, VBA) to optimize repetitive technical workflows

    • Transferable skills: rigor, documentation, stakeholder communication, structured problem-solving

Technical Skills

  1. Frontend
    • React
    • Next.js (App Router)
    • TypeScript
    • Tailwind CSS
    • HTML / CSS
  2. Backend
    • Node.js / Express
    • Django / Python
    • REST APIs
    • PostgreSQL (Neon, Railway, Render)
    • Prisma ORM
    • Authentication (JWT, NextAuth v5)
    • Webhooks & third-party integrations (Make.com, Notion API)
  3. Tooling & Ecosystem
    • Linux (WSL)
    • Git / GitHub / GitLab
    • GitHub Actions CI/CD
    • GitLab CI/CD
    • Docker
    • Postman
    • Jest
    • Vercel / Railway
    • ESLint / Prettier

Education

  1. 2014 — 2016

    CPGE PTSI – PT (Classes Préparatoires aux Grandes Écoles)

    Intensive training in mathematics, physics, and engineering fundamentals

Languages

French: Native

English: fluent / near native

Projets en production

Web applications designed, built and deployed in real-world conditions

Lead Generation SaaS Platform preview

Lead Generation SaaS Platform

Full-stack application with multi-step questionnaire, automated lead processing via webhooks and management dashboard. Email notification system and Notion synchronization.

  • Production
  • JWT Auth
  • Automated workflows
  • Next.js
  • TypeScript
  • PostgreSQL
  • Resend
  • Notion API
Lead Management Dashboard preview

Lead Management Dashboard

Internal dashboard with real-time data visualization, lead management, and Umami Analytics integration. Admin interface with access control.

  • Real-time data
  • Umami integration
  • User management
  • Next.js
  • PostgreSQL
  • Umami API
  • TailwindCSS
Multi-source Lead Ingestion API preview

Multi-source Lead Ingestion API

Node.js REST API centralizing leads from automation platforms (Make.com, Google Forms, Typeform). Intelligent data normalization, PostgreSQL storage, and automated Notion synchronization.

  • Webhook validation
  • Data normalization
  • Async Notion sync
  • Node.js
  • Express
  • TypeScript
  • PostgreSQL
  • Notion API

CV Builder SaaS — Multi-tenant Portfolio Platform

Multi-tenant SaaS where each user gets their own subdomain (username.sparqup.fr). Multilingual dashboard (FR/EN), GitLab CI/CD pipeline with typecheck, lint and build stages, Prisma ORM, NextAuth v5.

  • Multi-tenant
  • GitLab CI/CD
  • Multilingual
  • Next.js
  • Prisma
  • PostgreSQL
  • NextAuth v5
  • GitLab CI/CD
Django Task Manager preview

Django Task Manager

Full-stack task management application with user authentication, project organization, and task filtering. Responsive mobile-first UI with Docker containerization and production deployment.

  • User auth
  • CRUD operations
  • Deployed on Render
  • Django 5.2
  • PostgreSQL
  • Docker
  • Tailwind CSS

Contact

Have a question or project? Feel free to reach out.