Senior Full-Stack Engineer - Payments & E-Wallet

SingaPay; Tangerang; On-site; IDR 320,000,000 - 520,000,000; Full time

Job summary

SingaPay is seeking an accomplished engineer to design and maintain scalable payment and e-wallet services. You will own Money-In and Money-Out processing, build backend APIs, and ensure transaction integrity and security in high-volume environments.

Ideal candidates have deep experience with PHP/Laravel or Golang, fintech platforms, and modern data stores. You will collaborate across product, QA, design, and ops to deliver reliable financial products.

Qualifications

• Experience building e-wallet or fintech platforms.
• Strong knowledge of payment systems and secure coding.
• Experience with relational and NoSQL databases.
• Familiar with message brokers like Kafka or RabbitMQ.
• Proven API design and integration experience.

Responsibilities

• Design, develop, and maintain scalable payment and e-wallet services.
• Build backend services and APIs for wallet transactions and balances.
• Implement ledger management, idempotency, and reconciliation.
• Develop Money-In and Money-Out processing with multiple channels.
• Ensure system reliability, performance, and secure integrations.

Skills

PHP/Laravel

Golang

Money-in/out

RESTful APIs

Security best practices

Idempotency

API design

Tools

MySQL

PostgreSQL

MongoDB

Redis

Kafka

RabbitMQ

Job description

SingaPay is seeking an accomplished engineer to design and maintain scalable payment and e-wallet services. You will own Money-In and Money-Out processing, build backend APIs, and ensure transaction integrity and security in high-volume environments.

Ideal candidates have deep experience with PHP/Laravel or Golang, fintech platforms, and modern data stores. You will collaborate across product, QA, design, and ops to deliver reliable financial products.