Jr. Fullstack Engineer

PT. Lalu Lintas Lancar; Tangerang Selatan; On-site; IDR 66,960,000 - 133,920,000; Full time

Job summary

PT. Lalu Lintas Lancar is seeking a junior Full Stack Developer to join the team in Indonesia. You will work on building user-facing features using Next.js/TypeScript and Go (Fiber), while maintaining a legacy PHP + vanilla JS application.

You will write and optimize queries for MySQL and PostgreSQL, and collaborate on API contracts documented via OpenAPI. Ideal candidates are recent graduates with up to one year of experience, familiar with React, Next.js, Java, Spring Boot, Node.js, Go, and

Qualifications

• Bachelor's degree in Computer Science, Information Systems, Software Engineering, or related disciplines.
• Fresh graduates welcome; candidates with up to 1 year of experience in Full Stack Development or Software Development encouraged to apply.
• Experience with React.js, Next.js, Java, Spring Boot, Node.js, Go or equivalent frameworks.

Responsibilities

• Build new user-facing features across the stack in Next.js/TypeScript and Go (Fiber).
• Maintain, debug, and incrementally improve the legacy PHP + vanilla JS application.
• Write and query MySQL/PostgreSQL; ensure data access is correct and performant.

Skills

React

Next.js

Java

Spring Boot

Node.js

Go

HTTP REST APIs

MySQL

PostgreSQL

SQL fundamentals

Relational modeling

Education

Bachelor's degree in Computer Science or related

Tools

PHP

Vanilla JavaScript

OpenAPI

Redis

MySQL

PostgreSQL

Fiber (Go web framework)

Job description

Bachelor's Degree in Computer Science, Information Systems, Software Engineering, or other related disciplines.

Fresh graduates are welcome to apply; candidates with up to 1 years of experience in Full Stack Development or Software Development are encouraged to apply.

Experience with technologies such as React.js, Next.js, Java, Spring Boot, Node.js, Go, or equivalent frameworks.

React + Next.js basics: components, hooks, routing, data fetching

Clean, semantic HTML/CSS and responsive layout

Understands building and consuming HTTP/REST APIs

Reasonable Go idioms: structs, interfaces, error values, goroutines at a basic level

Can model data and write correct queries against MySQL and PostgreSQL

SQL fundamentals: joins, filtering, aggregation, indexes at a basic level

Understands relational modeling: primary/foreign keys, normalization basics

Job Responsibilities:

Build new user-facing features across the stack in Next.js/TypeScript and Go (Fiber).

Maintain, debug, and incrementally improve the legacy PHP + vanilla JS application.

Write and query MySQL/PostgreSQL; help keep data access correct and performant.

Integrate caching and messaging with Redis/Valkey under guidance.

Follow API contracts documented via OpenAPI.

Participate in code review, testing, and mentorship from senior engineers.