Fullstack Developer

SingaPay; Tangerang; Sur place; IDR 240 000 000 - 420 000 000; Plein temps

Résumé du poste

SingaPay is looking for a skilled Full-Stack Developer to build, maintain, and scale web apps and payment systems. You’ll work on PHP/Laravel or Go (Fiber) backends and ReactJS/Svelte frontends, optimizing databases and integrating payment APIs.

You will focus on REST APIs, security (OAuth2 & JWT), and handling large datasets, with a strong emphasis on scalable, reliable systems.

Qualifications

• Proficient in PHP/Laravel or Go (Fiber) with hands-on backend experience.
• Strong front-end skills with ReactJS, Svelte, or VanillaJS.
• Experience with relational and NoSQL databases (MySQL, PostgreSQL, MongoDB).
• Familiar with RESTful APIs, authentication, OAuth2 & JWT, and data security.
• Ability to optimize SQL and work with large datasets; integrate payment APIs.

Responsabilités

• Develop and maintain web applications and RESTful APIs.
• Build frontend interfaces and integrate them with backend services.
• Optimize databases, caching, and message-queuing systems.
• Troubleshoot and maintain existing systems.
• Collaborate with Product, QA, Design, and cross-functional teams; improve systems and practices.

Connaissances

PHP/Laravel

Go (Fiber)

ReactJS

Svelte

VanillaJS

MySQL

PostgreSQL

MongoDB

REST API

OAuth2 / JWT

SQL optimization

Payment APIs

AI coding assistants

Outils

Redis

Kafka

RabbitMQ

Description du poste

We’re looking for a Full-Stack Developer to join our IT team and help build, maintain, and scale web applications and payment-related systems.

What we’re looking for:

• Strong experience with PHP/Laravel and/or Golang/Fiber
• Experience with ReactJS, Svelte, or VanillaJS
• Experience with MySQL, PostgreSQL, and/or MongoDB
• Understanding of Redis, Kafka, RabbitMQ, or message-broker systems
• Good understanding of REST API, authentication, authorization, OAuth2 & JWT
• Able to write optimized SQL and work with large datasets
• Experience integrating payment/financial APIs, particularly:
• Money-In: VA, QRIS, Payment Link, Bank, Payment Gateway, Switching
• Money-Out: Bank Transfer, PPOB, QRIS, Payment Gateway, Switching
• Familiarity with AI coding assistants such as Claude Code, DeepSeek, Codex, etc.

What you’ll do:

• Develop and maintain web applications and RESTful APIs
• Build frontend interfaces and integrate them with backend services
• Optimize databases, caching, and message-queuing systems
• Troubleshoot and maintain existing systems
• Collaborate closely with Product, QA, Design, and other cross-functional teams
• Continuously improve our systems and development practices