Frontend Engineer

PT Sqiva Infotech Nusantara; Jakarta Pusat; On-site; IDR 200,880,000 - 401,760,000; Full time

Job summary

PT Sqiva Infotech Nusantara is seeking a skilled full-stack software engineer to build dynamic, scalable web applications using Alpine.js and Tailwind CSS. You will craft responsive interfaces with strong UI/UX focus.

You will integrate APIs, optimize performance, implement secure client-server communication (OAuth2, JWT), and develop backend code in PHP Laravel. A solid portfolio and 2–4 years of cross-stack experience are required. Experience with PostgreSQL/MySQL/MongoDB and Git is valued.

Qualifications

• Portfolio of UI-intensive products.
• Experience across the stack with API integrations.
• Familiarity with testing frameworks and QA processes.

Responsibilities

• Develop dynamic, scalable web apps using Alpine.js and Tailwind CSS.
• Build responsive, mobile-friendly websites with strong UI/UX focus.
• Identify and resolve client-side rendering issues and optimize performance.
• Integrate APIs and data sources with back-end systems.
• Ensure secure client-to-server data communication (OAuth2, JWT, sessions).
• Design and query databases with PostgreSQL, MySQL, MongoDB.
• Write back-end code using PHP Laravel.
• Collaborate across the stack and maintain QA processes.
• Familiarity with transportation system business processes is a plus.

Skills

UI-focused

Portfolio

Testing QA

State management

Education

Bachelor's degree in CS/IT or related

Tools

Alpine.js

Tailwind CSS

YII2

Laravel

Git

PostgreSQL

MySQL

MongoDB

Redux Toolkit

Zustand

Context API

OAuth2

JWT

Job description

Develop dynamic, scalable, and responsive web applications using Alpine.js and Tailwind CSS

Develop responsive, mobile-friendly websites with a focus on UI/UX best practices

Identify and resolve client-side rendering issues, maximize page loading speed, and optimize web app bundle sizes

Integrate APIs and data sources with back-end systems

Integrate secure client-to-server data communication protocols, including OAuth2, JWT, and session management

Formulate efficient database queries, manage schemas, and handle data persistence using relational (PostgreSQL, MySQL) or non-relational (MongoDB) databases

Write structured backend code utilizing PHP Laravel

About you

Bachelor's degree in Computer Science, Information Technology, or a related field

2-4 years of software engineering experience working across the stack, with a portfolio of UI-intensive products

Knowledge of API integrations

Experience with frameworks/tools: Alpine.js, Tailwind CSS, YII2, Laravel

Familiarity with database systems such as Oracle and PostgreSQL

Experience with code versioning tools (Git)

Understanding of testing frameworks and QA processes

Understanding of efficient state management patterns (e.g., Redux Toolkit, Zustand, Context API)

Understanding of transportation system business processes is a plus