Tech Lead: Scalable Payment Gateways & Fintech Systems

SingaPay; Tangerang; On-site; IDR 600,000,000 - 900,000,000; Full time

Job summary

SingaPay in Indonesia is seeking a Senior Backend Architect to lead the design and development of scalable payment platforms supporting Money-In and Money-Out flows.

You will mentor engineers, define architectural standards, and collaborate with Product, QA, DevOps, and Security to deliver reliable fintech solutions with strong security and compliance.

Proficiency with Golang and/or PHP/Laravel, microservices, PostgreSQL, Kafka, and secure API integrations is required.

Qualifications

• Proven leadership experience in fintech or payment systems.
• Strong people management and mentoring abilities.
• Excellent cross-functional collaboration and communication.

Responsibilities

• Lead technical design and architecture of payment gateways.
• Define scalable architectures for Money-In and Money-Out.
• Set coding standards and architectural principles across the team.
• Oversee transaction processing, ledger, reconciliation, and settlements.
• Ensure idempotency, data consistency, and secure communications.
• Guide reviews and mentor engineers; collaborate with Product, QA, DevOps, Security.

Skills

Leadership

Mentoring

Communication

Tools

Golang

PHP/Laravel

PostgreSQL

Kafka

RabbitMQ

Redis

REST APIs

OAuth2/JWT

Job description

SingaPay in Indonesia is seeking a Senior Backend Architect to lead the design and development of scalable payment platforms supporting Money-In and Money-Out flows.

You will mentor engineers, define architectural standards, and collaborate with Product, QA, DevOps, and Security to deliver reliable fintech solutions with strong security and compliance.

Proficiency with Golang and/or PHP/Laravel, microservices, PostgreSQL, Kafka, and secure API integrations is required.