Fullstack Developer

PT. Lalu Lintas Lancar; Tangerang Selatan; On-site; IDR 100,440,000 - 167,400,000; Full time

Job summary

PT. Lalu Lintas Lancar is seeking junior Full Stack developers to build new features using Next.js/TypeScript and Go (Fiber). You will maintain a legacy PHP + vanilla JS app while learning modern web stacks.

The role involves querying MySQL/PostgreSQL, optimizing data access, and collaborating on API contracts documented via OpenAPI, with guidance from senior engineers.

Qualifications

• Bachelor's degree in CS, Information Systems, Software Engineering, or related disciplines.
• Fresh graduates welcome; candidates with up to 2 years of experience in Full Stack or Software Development are encouraged to apply.
• Experience with 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

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.

Skills

React.js

Next.js

Java

Spring Boot

Node.js

Go

REST APIs

Education

Bachelor's degree in CS/IS/SE or related fields

Tools

MySQL

PostgreSQL

OpenAPI

Redis

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 2 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.