Begench Gurbanmammedov Fullstack developer
Profile

Full-Stack JavaScript Engineer with 4+ years of experience designing and delivering scalable SaaS platforms, multi-tenant systems, and high-performance web applications. Specialized in React, Next.js, TypeScript, and NestJS, with strong expertise in modular architecture (Feature-Sliced Design), real-time analytics integrations, and embeddable widget systems.

Experienced in building production-ready systems with clean architecture, optimized performance, and strong focus on user experience.

Professional Experience

Fullstack Developer

Mattered⁠
09/2025 – Present | Irvine,USA
  • •Architected and developed a scalable B2B multi-tenant SaaS platform using Next.js 15, React 19, and NestJS.
  • •Built a no-code embeddable widget builder enabling external integration across client domains.
  • •Designed data architecture using PostgreSQL and Redis for high-performance data access and caching.
  • •Integrated Tinybird for real-time event analytics and Iterable for automated marketing workflows.
  • •Implemented role-based access control (RBAC) and workspace isolation mechanisms.
  • •Contributed to modular and scalable system design following clean architecture principles.

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

    Front-End and mobile developer

    Montra
    03/2025 – 09/2025 | Ashgabat
  • •Led frontend architecture and development of web dashboards and cross-platform mobile applications.
  • •Built scalable UI systems using React, Next.js, and React Native.
  • •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

    Freelance Front-End Developer

    Self-Employed
    09/2024 – 03/2025Ashgabat, Turkmenistan
  • •Developed custom websites, dashboards, and web applications for clients across various industries.
  • •Implemented responsive designs using React.js, Next.js
  • •Achieved a 95% client satisfaction rate through timely delivery and effective communication.

    • Front-End and Mobile developer

    Payhasly yoldash
    12/2022 – 09/2024Ashgabat, Turkmenistan
  • •Collaborated with designers and back-end developers to implement wireframes and mockups into functional interfaces.
  • •Optimized website performance, reducing load times by 30%.
  • •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

    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

    Education

    Bachelor

    Oguz Han Engineering and Technology University
    09/2018 – 06/2023Ashgabat, Turkmenistan

    Achievements

  • •GPA: 88/100
  • •Achieved top rankings in both national and international Math Olympiads.
    • Languages
    English
    Turkmen