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Hi, I'm Mojtaba

Senior Full-Stack Engineer with 6 years of experience building end-to-end web systems — React and Next.js on the front, Bun, Hono and Node.js with SQL behind them.

North CyprusOpen to senior full-stack roles — remote or on-site, and open to relocating.

Mojtaba Beheshti

About

Full-Stack Engineer with 6 years of experience building and shipping complete web systems. On the front end I work primarily in React, Next.js and TypeScript; on the back end I build typed APIs with Bun, Hono and Node.js over SQLite and Drizzle, including event-sourced data models and real-time messaging integrations. My work involves migrating legacy projects to modern frameworks, leading small teams to improve engineering processes, and ensuring application stability through strict type-safety, accessibility and performance budgets. I also publish open-source libraries on npm — a zero-dependency HTML sanitizer, an LLM input-hardening package, a React component registry and a device-detection component library among them. I am comfortable working in remote environments.

Work Experience

  • Architected and deployed production-grade Progressive Web Applications (PWAs) using Next.js, prioritizing offline-first functionality and mobile responsiveness.
  • Directed a front-end engineering team of three, implementing rigorous code review protocols and architectural standards that increased team velocity.
  • Engineered a contract-first API integration layer using Zodios, ensuring end-to-end type safety and reducing production runtime errors by approximately 90%.
  • Spearheaded the migration of legacy PHP applications to a React-based architecture, achieving a 35% improvement in Core Web Vitals.
  • Developed real-time monitoring dashboards using WebSockets to provide low-latency data visualization for internal operational tools.

  • Mentored five junior developers, establishing a structured onboarding curriculum that reduced average ramp-up time by 50%.
  • Developed a localized store-discovery engine using geolocation APIs and advanced map filtering, directly improving user conversion rates.
  • Designed an automated image processing utility for dynamic branding application, significantly reducing manual design overhead.
  • Collaborated with cross-functional teams to refine API specifications, resulting in a 30% reduction in integration-related deployment delays.

  • Optimized application performance via advanced code-splitting and asset-loading, yielding a 40% improvement in Time to Interactive (TTI).
  • Built a Web3-integrated cryptocurrency wallet within a high-pressure 30-day cycle, focusing on secure transaction signing.
  • Integrated Next.js solutions with headless WordPress via REST APIs, increasing organic user engagement by 25%.
  • Developed Node.js microservices to handle real-time synchronization of financial market data for the frontend.

Certifications

Skills

React
Next.js
TypeScript
Tailwind CSSTailwind CSS
Node.js
Bun
Hono
Drizzle ORM
SQLite
TanStack Query
Zustand
Zod
Vitest
Playwright
Web3.js
Express
MongoDB
All Projects

Systems I've shipped

Product work with the hard parts left visible: event replay, queues, real-time transports, security boundaries, and the interfaces around them.

Live
GitHubGitHub
npm

Enqiu

A zero-dependency, type-safe job queue for Node.js and Bun with memory or Redis storage, inferred types and first-class Hono integration.

TypeScript
Redis
Bun
Node.js
Hono
npm
GitHubGitHub
npm

Unsmuggle

A TypeScript security library that reveals instructions hidden with ASCII smuggling and invisible Unicode before content reaches an LLM.

TypeScript
LLM Security
Unicode
npm
Live

Voltmesh

A cinematic product concept for a distributed GPU marketplace, explaining the value proposition clearly to hardware providers and AI teams.

Product Design
Creative Direction
Web Experience

Throughline

An issue tracker with replayable history, enabling teams to revisit, understand and restore earlier board states without losing subsequent context.

Issue Tracking
Team Collaboration
Productivity
Accessibility
Live
GitHubGitHub

Pouf

A playful claymorphism UI kit for React, distributed as a shadcn-style registry with reusable components, blocks and templates.

React
Tailwind CSS 4
Radix UI
TypeScript
shadcn registry
Live

OpenTomo

A deployed AI chat companion you can actually talk to — speak or type, and it answers out loud with a lip-synced, expressive avatar.

Conversational AI
Voice Interaction
3D Avatar
Product Experience

Relai

A WhatsApp appointment assistant for medical clinics, combining AI-assisted booking, automatic reminders, and a human-controlled admin inbox.

Conversational AI
WhatsApp
Appointment Booking
Clinic Operations
GitHubGitHub
npm

Purifai

Zero-dependency, TypeScript-native strip-to-text sanitizer with contextual output encoding for Node.js, browsers, edge runtimes, and workers.

TypeScript
XSS
Security
npm
GitHubGitHub
npm

react-device-detector

React components for device-aware rendering. Version 2 fixes server hydration mismatches, modern iPad detection and React 19 compatibility.

React
TypeScript
SSR
npm
All Posts

Engineering notes

The decisions, mistakes, and fixes behind the things I ship.

REST API Design Principles That Stand the Test of Time

REST API Design Principles That Stand the Test of Time

Practical REST API design principles for consistent resources, predictable errors, versioning, pagination and maintainable contracts.

Building Scalable Design Systems with React and Tailwind

Building Scalable Design Systems with React and Tailwind

A practical guide to design-system foundations, tokens, component APIs, documentation and governance that scale with teams and products.

Five Failures Between a Bun App and a Working Vercel Function

Five Failures Between a Bun App and a Working Vercel Function

Five runtime boundaries that can break a Bun app on Vercel even after local type checks, tests and builds pass—and how to diagnose each one.

The Developer Survival Guide for 2026

The Developer Survival Guide for 2026

A grounded 2026 developer guide to AI-assisted work, system design, edge computing, security, communication and durable engineering judgment.

Why I Switched to Bun (and When You Might Want To)

Why I Switched to Bun (and When You Might Want To)

Bun is fast, cohesive, and pleasant to use. Here is what sold me, where it fits, and the trade-offs to check before switching.

Git Workflow Guide: From Chaos to Clarity

Git Workflow Guide: From Chaos to Clarity

A practical Git workflow covering branches, commits, rebasing, pull requests and conflict resolution for readable history and focused reviews.

10 Next.js Performance Tips for Production Apps

10 Next.js Performance Tips for Production Apps

Ten durable ways to reduce client JavaScript, improve loading, and catch performance regressions in a Next.js application.

Mastering Remote Work: Productivity Without Burnout

Mastering Remote Work: Productivity Without Burnout

Practical routines for protecting focus, communicating clearly, and keeping remote work from expanding into every hour.

Testing React Applications: A Practical Guide

Testing React Applications: A Practical Guide

A practical testing strategy for React, from pure functions to user flows, with an emphasis on confidence over raw coverage.

TypeScript Best Practices for Maintainable Code

TypeScript Best Practices for Maintainable Code

Practical TypeScript patterns for clear models, safer boundaries, and code that remains easy to refactor.

Introducing Purifai: A Zero-Dependency Strip-to-Text Sanitizer

Introducing Purifai: A Zero-Dependency Strip-to-Text Sanitizer

Purifai is a zero-dependency, TypeScript-native strip-to-text sanitizer designed for Node.js, browsers, edge runtimes, and workers.

Contact

Get in Touch

Open to senior full-stack roles — remote or on-site, and open to relocating. The fastest way to reach me is email — I reply within a couple of days.

Based in North Cyprus · Also reachable on +90 533 851 9791