Senior Mobile/Web Developer

About the role

We are looking for a Senior Mobile/Web Developer to join our Mexico City team. You will lead the creation of a cross‑platform installer application that combines a Next.js web UI with a thin native shell, delivering offline‑first experiences on iOS and Android.

Key responsibilities

• Design and ship a Capacitor‑based app hosting a Next.js (React + TypeScript) UI in WebView/WKWebView.
• Develop and maintain a native BLE plugin for iOS (Swift/Obj‑C) and Android (Kotlin/Java), exposing stable JavaScript APIs.
• Implement offline‑first workflows using Service Workers, encrypted local storage, and durable sync/queue mechanisms.
• Integrate camera‑based QR/barcode scanning and job documentation photo capture.
• Build CI/CD pipelines, conduct E2E testing on real devices, and ensure App Store/Google Play compliance.
• Collaborate on architecture, monorepo workflows, and version‑gated remote UI updates.

Required profile

• At least 4 years of professional experience in mobile and web development.
• Proven ability to translate product requirements into scalable technical designs.
• Strong background with TypeScript, modern React, and Next.js (SPA/PWA patterns).
• Hands‑on experience with Capacitor or similar hybrid runtimes and native iOS/Android development.
• Familiarity with PWA fundamentals, Service Workers, and offline UX patterns.
• Experience working in large monorepos and using Git, Yarn/NPM, and Node.js.

Required skills

• TypeScript
• React (modern)
• Next.js 14+
• Capacitor (or equivalent hybrid runtime)
• iOS development (Swift/Obj‑C)
• Android development (Kotlin/Java)
• Bluetooth Low Energy (BLE) integration
• Service Workers & Cache API
• Web Crypto (encrypted‑at‑rest storage)
• Camera APIs (MediaDevices, QR/barcode scanning)
• Material UI / JSS
• WebSockets
• i18n / localization
• React Native release tooling (Fastlane)
• Preact Signals or comparable state management
• IndexedDB / Watermelon DB
• Git, Yarn, NPM, Node.js