Senior React & TypeScript Frontend Engineer (Monorepo)

PT Tekno Gemilang Indonesia (TOG Indonesia); Jakarta Pusat; On-site; IDR 180,000,000 - 360,000,000; Full time

Job summary

PT Tekno Gemilang Indonesia (TOG Indonesia) is seeking a skilled frontend developer to build production-grade React applications using TypeScript. You will work in a monorepo, collaborate with designers and backend engineers, and ensure features align with Figma and Storybook specs.

You will write strict types, contribute to routing and data fetching, participate in code reviews, and maintain high code quality with Jest and Storybook tests.

Qualifications

• 3+ years professional experience with React and TypeScript in production environments.
• Experience with monorepo tooling (pnpm, Nx, Turborepo, or similar).
• Familiarity with Storybook.
• Comfortable working with custom data fetching clients (no react-query/axios).
• Excellent communication skills and a collaborative, proactive mindset.
• Bonus: Experience with Redux, context providers.
• Bonus: Some understanding of React Router v6/v7, hooks, and modular routing.

Responsibilities

• Build and maintain production-grade React applications with TypeScript.
• Collaborate with designers and backend engineers to deliver robust features.
• Write and maintain explicit types and domain models in shared packages.
• Implement and enforce separation of concerns: logic hooks, UI components, and service functions.
• Handle all states (loading, error, empty, success) in UI and data fetching flows.
• Contribute to routing using centralized route configs and lazy-loading patterns.
• Participate in code reviews and help maintain high standards for code quality, readability, and maintainability.
• Write and maintain tests for pure functions and UI components using Jest and Storybook.
• Follow and improve ESLint, Prettier, and TypeScript strict mode standards.

Skills

React

TypeScript

Monorepo tooling

Storybook

Custom data fetching

Communication

Redux

React Router v6/v7

Tools

pnpm

Nx

Turborepo

React Router v6/v7

Jest

Storybook

Job description

PT Tekno Gemilang Indonesia (TOG Indonesia) is seeking a skilled frontend developer to build production-grade React applications using TypeScript. You will work in a monorepo, collaborate with designers and backend engineers, and ensure features align with Figma and Storybook specs.

You will write strict types, contribute to routing and data fetching, participate in code reviews, and maintain high code quality with Jest and Storybook tests.