Senior Full-Stack Engineer - React/TypeScript, Trading

Sierra Ventures; 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 to build and own products across web, mobile, and backend systems. Primarily focused on React and TypeScript, you will also contribute to React Native apps and backend services on AWS.

You will collaborate with product managers, designers, and engineers to deliver scalable web applications, while mentoring teammates and ensuring code quality in a hybrid Singapore office environment.

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

Frontend architecture

Mentoring

Tools

AWS

Docker

Kubernetes

CI/CD

Job description

Gemini is seeking a Senior Full-Stack Engineer to build and own products across web, mobile, and backend systems. Primarily focused on React and TypeScript, you will also contribute to React Native apps and backend services on AWS.

You will collaborate with product managers, designers, and engineers to deliver scalable web applications, while mentoring teammates and ensuring code quality in a hybrid Singapore office environment.