Staff Engineer (Backend) - Money

New

Ajaib GroupFintech payments

Workable workplace: remote; Workable locations: Jakarta, Jakarta, Indonesia. Bangkok, Bangkok, ThailandFull-TimeStaff

Salary not disclosed

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Job Details

Bachelor's or Master's degree in Computer Science or equivalent practical experience.
8+ years of professional software engineering experience.
Proven experience designing and operating large-scale distributed systems handling money or other critical transactions.
Experience leading technical work across teams.
High proficiency in Java, Go or another modern backend language.
Strong expertise in microservices, event-driven architectures, distributed transactions, reliability engineering, observability and performance optimization.
Strong working knowledge of ledgers, payment networks, bank integrations, reconciliation and batch processing, or equivalent depth in large payment or e-wallet systems.
Deep practical experience with Kafka, Redis and relational databases, including transactions, locking, query tuning and data consistency.
Experience designing and operating applications on cloud platforms such as GCP or AWS.
Background in banking, payments, e-wallets or another high-scale, regulated financial environment.
Ability to influence technical decisions without direct authority.

Define technical direction and architecture for ledger, account and payment systems spanning several teams.
Lead the design of fault-tolerant, consistent and secure services, and review critical designs.
Lead ledger architecture, including double-entry models, balance computation, holds, reversals and audit trails.
Set standards for correctness in money flows, including idempotency, transaction states and distributed transaction patterns.
Design connections to banks and payment networks, including routing, failover, success-rate monitoring and cut-off handling.
Design reconciliation, settlement and end-of-day processing to identify and resolve differences.
Design fraud and risk controls for real-time money flows.
Plan for peak loads and failures; drive load testing, capacity planning and disaster recovery.
Lead complex production incident investigations and root cause analysis, and drive lasting improvements.
Set engineering standards, partner with cross-functional teams, mentor Senior Engineers and implement critical components.

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