IT Programer

Kejar; Jakarta Pusat; In loco; IDR 180.000.000 - 300.000.000; Tempo pieno

Descrizione del lavoro

Kejar is seeking a frontend/backend engineer to develop, maintain, and optimize modern web applications using React.js or Next.js, and to build robust REST APIs for seamless frontend-backend communication.

You will work with Node.js or Java on the backend, implement authentication with JWT, and collaborate with cross-functional teams to deliver high-quality software aligned with business goals.

Competenze

• Familiar with React.js or Next.js.
• Able to integrate REST APIs.
• Understand async/await and error handling.
• Experience with Node.js or Java for backend development.
• Able to build and manage REST API (CRUD).
• Understand MySQL and PostgreSQL with ORM.
• Familiar with Authentication & Authorization (JWT/Session).
• Experienced with Git and API testing tools such as Postman or Insomnia.
• Strong debugging, analytical thinking, and problem-solving skills.

Mansioni

• Develop, maintain, and optimize modern web applications.
• Build responsive, interactive user interfaces with React.js or Next.js.
• Develop and integrate REST APIs for frontend-backend communication.
• Identify and resolve technical issues to maintain performance.
• Collaborate with cross-functional teams to deliver software solutions.

Conoscenze

React.js

Next.js

REST APIs

Async/await

Error handling

Node.js

Java

CRUD APIs

MySQL

PostgreSQL

ORM

JWT/Session

Git

Postman

Insomnia

API testing

Debugging

Analytical thinking

Problem-solving

Strumenti

Postman

Insomnia

Descrizione del lavoro

Responsible for developing, maintaining, and optimizing modern web applications by building responsive and interactive user interfaces using React.js or Next.js, developing and integrating REST APIs to ensure seamless communication between frontend and backend systems, identifying and resolving technical issues to maintain optimal application performance, and collaborating with cross-functional teams to deliver high-quality software solutions that align with business objectives and project requirements.

PT Kelola Jasa Artha never charges candidates fees to apply or interview for any position.

Requirements

• Familiar with React.js or Next.js
• Able to integrate REST APIs
• Understand async/await and error handling
• Experience with Node.js or Java for backend development
• Able to build and manage REST API (CRUD)
• Understand MySQL/PostgreSQL and ORM
• Familiar with Authentication & Authorization (JWT/Session)
• Experienced with Git and API testing tools such as Postman or Insomnia
• Strong debugging, analytical thinking, and problem-solving skills