Staff Backend Engineer - Shared Services

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 Staff Backend Engineer in Shared Services, you establish technical standards and raise the excellence bar for the engineering team. You work with the engineering head to set technical direction for backend systems across Growth, Onboarding and Shared Experience. You solve the hardest problems that cut across teams, such as KYC reliability, partner integrations and the services behind portfolio and homepage, and you make the engineers around you stronger. You stay hands-on where it matters most.

• Define the technical direction and architecture for backend systems that span several teams in the investor journey.
• Lead the design of scalable, fault-tolerant and secure services, and review critical designs from other teams.
• Identify technical risks early, weigh trade-offs and drive decisions that fit business goals.
• Lead investigations and root cause analysis for complex production incidents, and drive lasting improvements.
• Set and promote engineering standards for reliability, observability, security and performance.
• Partner with Engineering Managers, Product, Ops and Architecture to deliver cross-team initiatives.
• Mentor Senior Engineers and help grow technical leadership across the team.
• Stay hands-on with implementation for critical components and complex problems.

Requirements

• Education: Bachelor's or Master's degree in Computer Science or equivalent practical experience.
• Experience: 8+ years of professional software engineering, with a proven record of designing and running large-scale distributed systems and leading technical work across teams.
• Languages: Highly proficient in Java and Go.
• System Design & Architecture: Strong expertise in microservices, event-driven architectures, reliability engineering, observability and performance optimization.
• Data & Messaging: Deep practical experience with Kafka, Redis, and relational and NoSQL databases, including query tuning.