Begench Gurbanmammedov Full-Stack Engineer | React, Node.js, PostgreSQL
Profile

Full-Stack Software Engineer with 4+ years of experience building scalable SaaS platforms, enterprise systems, and cross-platform applications using React, Next.js, TypeScript, and NestJS. Experienced in multi-tenant architecture, RBAC systems, and performance optimization, with a strong track record of shipping products from 0→1.

Professional Experience
Mattered⁠, Fullstack Developer
  • •Architected a scalable multi-tenant SaaS platform using Next.js 15, React 19, and NestJS.
  • •Built a no-code widget system that reduced client integration time from days to minutes.
    • 09/2025 – PresentIrvine,USA
  • •Designed PostgreSQL and Redis architecture for scalable caching and tenant isolation.
  • •Integrated real-time analytics and automated marketing workflows to improve customer engagement.
  • •Implemented RBAC and workspace isolation for secure multi-tenant access control.

    • Tech Stack: Next.js 15, React 19, TypeScript, NestJS, PostgreSQL, Redis, Tailwind CSS

    Montra, Front-End and mobile developer
  • •Led frontend architecture and development of web dashboards and cross-platform mobile applications.
  • •Built scalable UI systems using React, Next.js, and React Native.
    • 03/2025 – 09/2025Ashgabat
  • •Collaborated closely with designers and backend engineers to deliver cohesive product experiences.
  • •Implemented modular architecture patterns to ensure maintainability and reusability.

    • Tech Stack: React, Next.js, React Native, TypeScript, Tailwind CSS

    Self-Employed, Freelance Front-End Developer
  • •Developed custom websites, dashboards, and web applications for clients across various industries.
  • •Implemented responsive designs using React.js, Next.js
    • 09/2024 – 03/2025Ashgabat, Turkmenistan
  • •Achieved a 95% client satisfaction rate through timely delivery and effective communication.
    • Payhasly yoldash, Front-End and Mobile developer
  • •Collaborated with designers and back-end developers to implement wireframes and mockups into functional interfaces.
  • •Optimized website performance, reducing load times by 30%.
    • 12/2022 – 09/2024Ashgabat, Turkmenistan
  • •Maintained version control using Git and contributed to agile development processes.
    • Selected Projects
  • •Designed and developed a full-stack SaaS application with embeddable widgets and analytics dashboards.
  • •Implemented multi-tenant architecture with workspace isolation and RBAC.
  • •Built customizable widget system for cross-domain integration.
  • •Applied Feature-Sliced Design (FSD) architecture for scalable code organization.
  • •Integrated third-party marketing services and real-time analytics tools.

    • Technologies: Next.js 15, React 19, TypeScript, NestJS, PostgreSQL, Redis, Tailwind CSS, React Query, Zod

    Evently app, Mobile and telegram mini app
  • •Developed cross-platform mobile application and Telegram Mini App.
  • •Integrated interactive maps using Maplibre.
  • •Implemented schema validation using Zod and robust form management with React Hook Form.
  • •Designed modular frontend architecture for long-term scalability.

    • Technologies: React Native, Expo, Next.js, Maplibre, Zod

  • •Developed responsive e-commerce platforms with optimized SEO and performance.
  • •Implemented Redux-based state management for cart, session, and product flows.
  • •Increased online sales by 20% within three months through UX improvements and optimization.

    • Technologies: React, Next.js, Redux, Zustand, Tailwind CSS

    DLP System
  • •Built web-based operational data tracking system with real-time updates.
  • •Developed reusable component architecture for scalability.
  • •Optimized performance using server-side rendering and dynamic imports.
  • •Integrated REST APIs for seamless multi-module data exchange.

    • Technologies: React, Next.js, Redux, SCSS

    Awards
    Ariel International Internet Mathematical Olympiad - Silver Medal, Ariel University
    2019
    National Mathematics Olympiad - Gold Medal (2023), Silver (2022, 2021), Bronze (2020, 2019), Ministry of Education of Turkmenistan
    Education
    Bachelor, Oguz Han Engineering and Technology University

    Graduated with an Innovatics major with 88/100 GDP

    09/2018 – 06/2023Ashgabat, Turkmenistan
    Skills
    Frontend

    React, Next.js (App Router), TypeScript, React Native, Tailwind CSS, Sass

    State Management

    Redux, Zustand, React Query, SWR

    Testing

    Jest, Cypress, Playwright, Vite

    Backend

    Node.js, NestJS, REST APIs, PostgreSQL, Redis

    Architecture

    Multi-tenant systems, RBAC, Feature-Sliced Design (FSD), Scalable UI systems

    Tools

    Git, Webpack, ESLint, Prettier, Husky, Storybook, Figma

    Languages
    English

    Intermediate (B2)

    Russian

    Elementary (A1)