Senior Full-Stack Engineer - React/TypeScript, AWS & Mobile

Gemini; Singapore; Hybrid; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Health plans

Equity grant

Parental Leave

Paid time off

Job summary

Gemini is seeking a Senior Full-Stack Engineer (React/TypeScript) to design and deliver scalable web applications and contribute to mobile and backend services on AWS. You will own features end-to-end, collaborate with product and design teams, and mentor teammates to raise engineering standards.

You should have strong frontend skills, experience with APIs and distributed systems, and a willingness to work across React Native and backend development in Scala or Go. Hybrid Singapore office awaits.

Qualifications

• Strong experience with React, TypeScript, JavaScript, HTML, and CSS.
• Experience building large-scale, production-grade web applications.
• Strong knowledge of frontend architecture, performance, testing, and accessibility.
• Solid software engineering and system-design fundamentals.
• Experience integrating web applications with APIs and distributed systems.
• Ability and willingness to contribute to React Native and backend development.
• Proven ownership of complex projects from design to production.
• Strong communication, technical leadership, and mentoring skills.

Responsibilities

• Design and deliver scalable web applications using React and TypeScript.
• Own features from technical design through release, monitoring, and improvement.
• Define frontend architecture and build reusable components.
• Contribute to React Native applications for iOS and Android.
• Develop and integrate backend services using Scala or Go.
• Make pragmatic technical decisions and communicate trade-offs.
• Improve performance, accessibility, reliability, testing, and security.
• Collaborate with product managers, designers, and engineers.
• Review code, mentor engineers, and improve engineering standards.
• Use AI development tools effectively while remaining accountable for code quality.

Skills

React

TypeScript

JavaScript

HTML

CSS

Large-scale web apps

Frontend architecture

Performance testing

API integration

React Native

Backend development

Ownership of projects

Communication/leadership

Tools

AWS

Docker

Kubernetes

Terraform

CI/CD

REST APIs

Kafka

Job description

Gemini is seeking a Senior Full-Stack Engineer (React/TypeScript) to design and deliver scalable web applications and contribute to mobile and backend services on AWS. You will own features end-to-end, collaborate with product and design teams, and mentor teammates to raise engineering standards.

You should have strong frontend skills, experience with APIs and distributed systems, and a willingness to work across React Native and backend development in Scala or Go. Hybrid Singapore office awaits.