Senior Backend Engineer

Gsfbanking; Kuala Lumpur; Hybrid; MYR 134,000 - 201,000; Full time

Job summary

GSF Digital Platform in Kuala Lumpur, Malaysia (Hybrid) seeks a Senior Backend Engineer to build core banking ledger, payment rails, and high-throughput APIs that process real money for customers worldwide.

You will design and ship payment rail integrations, own the double-entry ledger, and write secure, observable TS/Node.js services while mentoring engineers and supporting production systems.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 5+ years building production backend systems.
• Experience with financial systems, payments, or fintech preferred.
• Strong understanding of distributed systems, idempotency, and double-entry ledgers.

Responsibilities

• Design and ship payment rail integrations (SWIFT, Visa, ACH, RTP).
• Own the double-entry ledger and reconciliation engine.
• Write secure, observable, well-tested TypeScript / Node.js services.
• Participate in on-call rotation for production banking systems.
• Mentor mid-level engineers and review architecture.

Skills

TypeScript

Node.js

REST APIs

Distributed systems

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

PostgreSQL

Job description

Senior Backend Engineer — Engineering | GSF Digital PlatformGSF DIGITAL PLATFORMPersonal AccountsWealthGlobal PaymentsTrade FinanceDigital ServicesAbout GSFSupportExecutiveRegisterLOGINBack to all rolesEngineering • senior# Senior Backend EngineerKuala Lumpur, Malaysia (Hybrid)full timeMYR 12,000 – 18,000 / month## About this roleBuild the core banking ledger, payment rails (SWIFT MT103/PACS.008, Visa B2B, FAST/DuitNow) and high-throughput APIs that move real money for our customers worldwide.## What you'll do* Design and ship payment rail integrations (SWIFT, Visa, ACH, RTP)* Own the double-entry ledger and reconciliation engine* Write secure, observable, well-tested TypeScript / Node.js services* Participate in on-call rotation for production banking systems* Mentor mid-level engineers and review architecture## What we're looking for* Bachelor's degree in Computer Science, Engineering, or related field* 5+ years building production backend systems* Experience with financial systems, payments, or fintech preferred* Strong understanding of distributed systems, idempotency, and double-entry ledgersTypeScriptNode.jsPostgreSQLREST APIsDistributed systemsMinimum experience: 5+ years