Senior Fullstack Software Engineer

Role overview Take senior-level ownership of product features across frontend and backend for an email application focused on fast, clear communication. The role spans feature delivery, editor improvements and application performance, with work suited to someone comfortable making decisions across the stack.

Responsibilities - Design and ship product capabilities such as reminders, read receipts and scheduled sending. - Improve the rich-text composition experience using the existing editor foundation. - Identify and resolve performance issues to make interactions faster and more responsive. - Own complex features from planning through implementation and delivery.

Requirements - Strong working knowledge of React, TypeScript and Node.js. - Experience integrating with Gmail or comparable email or messaging APIs. - Familiarity with state and data tools such as Zustand, TanStack Query and TanStack Router, as well as SQLite. - Strong written and spoken English. - Availability to work remotely with working hours aligned to Taiwan Standard Time (GMT+8).

Nice to have Experience with productivity software, messaging or other real-time applications; prior startup experience, especially at an early growth stage; or experience shipping features using LLMs, language models or machine learning.

Benefits and work setup The position is remote and async-first, with stated compensation of $50,000–$80,000 USD. The work is described as creative and technically challenging.