Frontend Engineer (React/Next.js) - Performance & UX

Steradian Data Optima; Jakarta Pusat; On-site; IDR 180,000,000 - 360,000,000; Full time

Job summary

PT Steradian Data Optima is seeking talented frontend developers to join our growing tech team in Jakarta. You will build responsive web applications, integrate with REST API or GraphQL, and optimize performance.

Proficiency in ReactJS, Next.js, and TypeScript is required, along with testing using Jest and React Testing Library. You will collaborate with design and backend engineers to deliver meaningful digital products and maintain high-quality code.

Qualifications

• Minimum 3 years experience using ReactJS and Next.js.
• At least 2 years experience with TypeScript.
• Experience building responsive UI.
• Experience integrating REST API or GraphQL.
• Experience optimizing frontend performance.
• Experience testing with Jest and React Testing Library.

Responsibilities

• Develop responsive web applications.
• Integrate frontend with backend APIs.
• Optimize performance and loading.
• Implement authentication and authorization.
• Maintain clean and scalable code.

Skills

ReactJS

Next.js

TypeScript

Responsive UI

Frontend performance

Testing - Jest & RTL

Tools

Jest

React Testing Library

Sentry

LogRocket

Google Analytics

OpenTelemetry

REST API

GraphQL

Job description

PT Steradian Data Optima is seeking talented frontend developers to join our growing tech team in Jakarta. You will build responsive web applications, integrate with REST API or GraphQL, and optimize performance.

Proficiency in ReactJS, Next.js, and TypeScript is required, along with testing using Jest and React Testing Library. You will collaborate with design and backend engineers to deliver meaningful digital products and maintain high-quality code.