Senior Frontend Engineer — React/TypeScript, AI Features, Remote

Penbrothers International; Mandaluyong; Remoto; PHP 600.000 - 900.000; Tempo pieno

Descrizione del lavoro

Penbrothers is seeking a Frontend Developer to join our development team in delivering features and integrations for an operations platform used by field service teams. You will build in React and TypeScript, connect to third-party APIs, and help extend AI-assisted capabilities.

You'll work on desktop and mobile UIs, write migrations and tests, and collaborate with non-technical stakeholders. If you enjoy shipping clean, scalable web apps from home, this role is for you.

Competenze

• 3 to 5 years building production web applications with TypeScript and React.
• Experience with PostgreSQL, including schema design, SQL, and row-level security concepts.
• Hands-on REST API integration: authentication (OAuth, API keys, JWT), webhooks, pagination, rate limits, retries, and idempotency.
• At least one shipped feature built on a large language model API (Anthropic Claude preferred).
• Experience with Git, pull requests, and working in a codebase someone else started.

Mansioni

• Build features across the stack in React and TypeScript, Postgres, and serverless functions
• Build and maintain integrations with third-party APIs: accounting/ERP, payroll, GPS and telematics, telephony, SMS, payments, and mapping
• Extend AI-assisted features built on the Anthropic Claude API, including prompt design, tool use, and testing outputs for accuracy
• Improve the user interface for dispatchers, office staff, and field technicians, on desktop and mobile
• Investigate sync issues and vendor API defects, document findings, and write clear notes for non-technical readers
• Write and follow database migrations, row-level security policies, and tests that protect customer data

Conoscenze

TypeScript

React

PostgreSQL

REST API integration

Large language model API

Git

Strumenti

Supabase

Vercel

Figma

Tailwind

Capacitor

React Native

Android/iOS

Twilio

Google Maps API

Descrizione del lavoro

Penbrothers is seeking a Frontend Developer to join our development team in delivering features and integrations for an operations platform used by field service teams. You will build in React and TypeScript, connect to third-party APIs, and help extend AI-assisted capabilities.

You'll work on desktop and mobile UIs, write migrations and tests, and collaborate with non-technical stakeholders. If you enjoy shipping clean, scalable web apps from home, this role is for you.