Founded to transform retail finance, Ajaib Group is an Indonesian fintech unicorn breaking barriers to financial access. Having recently secured a $270M Series C—the single largest funding round in Southeast Asia over the past four years—we are backed by premier global investors including Y Combinator, Ribbit Capital, SoftBank, and SBI Holdings.
To build world-class products, we assemble world-class talent. Supported by our fully remote work arrangement, our team spans Eastern Europe, the Middle East, India, and Southeast Asia, allowing you to work with brilliant engineers and builders from around the globe from wherever you are. We operate with an impact-driven purpose where everyone is the owner of our customers' satisfaction. Driven by a growth mindset and a fierce will to win, we refuse to settle and constantly push engineering boundaries.
Role Overview
As a Senior Backend Engineer I in the Money team, you build and maintain the backend services behind customer accounts and money movement: balances, transfers, payments, statements and daily processing. You deliver well-defined features with high quality, learn how banking-grade systems stay exact and auditable, and help keep a platform that holds customers' money accurate and secure.
- Design, build and maintain backend services and APIs for accounts, balances, transfers and payments.
- Deliver features from technical design to production, with tests, monitoring and alerting.
- Process transfers and payments exactly once, with clear transaction states, safe retries and complete audit trails.
- Integrate with banks and payment partners, and handle their delays, errors and duplicate messages safely.
- Support daily batch processing and reconciliation, and help fix mismatches at the root.
- Write clean, well-tested code and take an active part in code reviews.
- Investigate production issues, find root causes and help ship lasting fixes.
- Work with Product, Finance, Operations, Risk and Compliance to turn requirements into reliable solutions.
Requirements
- Education: Bachelor's degree in Computer Science or equivalent practical experience.
- Experience: 4+ years of professional backend engineering, including running services in production.
- Languages: Strong in Java, Go or another modern backend language.
- System Design: Good understanding of microservices, REST/gRPC APIs, event-driven design and reliability basics.
- Data & Messaging: Hands-on with relational databases (transactions, locking, query tuning), caching (Redis) and messaging (Kafka).
- Infrastructure: Experience with cloud platforms (GCP or AWS), containers and CI/CD.
- Mindset & Domain: Ownership mindset and clear communication. Experience in banking, payments, e-wallets or another regulated financial environment is a plus.
Benefits
- Performance Bonus - Get rewarded for the impact you make
- Private Insurance - Comprehensive health coverage for you
- Paid Time Off - Take the time you need to recharge and come back stronger
- Learning & Development - Company-sponsored training, courses, and professional certifications
- Hybrid Work Arrangement - Enjoy the flexibility of working both remotely and from the office
- Career Growth - Work closely with experienced leaders and take on meaningful ownership as we scale
- Employee Perks - Enjoy exclusive discounts, partnerships, and lifestyle perks
- Collaborative & High-Ownership Culture - Work with smart, driven people in cross-functional teams, take ownership, and make a meaningful impact for our users.
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