Staff Backend Engineer - Investment

Ajaib

7h • Hybrid

About The Position

Ajaib Group is an Indonesian fintech company focused on improving access to financial services. Its globally distributed team works under a fully remote arrangement. The Staff Backend Engineer joins the Investment team and sets technical direction for stock-trading systems spanning order management, market data, portfolios, and integrations with exchange and clearing parties. The role addresses correctness, latency, reliability, and peak-volume challenges while strengthening the capabilities of other engineers. It combines technical leadership with hands-on implementation of critical components and complex solutions.

Requirements

• Bachelor's or Master's degree in Computer Science, or equivalent practical experience.
• At least 8 years of professional software engineering experience.
• Proven record designing and operating large-scale, high-traffic distributed systems and leading technical work across teams.
• High proficiency in Java, Go, or another modern backend language.
• Strong expertise in microservices, event-driven architectures, reliability engineering, observability, and performance optimization.
• Deep practical experience with Kafka, Redis, relational and NoSQL databases, including query tuning and data consistency.
• Experience designing and operating applications on cloud platforms such as GCP or AWS.
• Background in capital markets, brokerage, payments, or another high-scale, regulated environment.
• Strong communication skills and ability to influence technical decisions without direct authority.

Responsibilities

• Define technical direction and architecture for trading systems spanning multiple teams.
• Lead the design of fault-tolerant, low-latency, secure services and review critical designs.
• Establish standards for correctness in financial flows, including accurate calculations, idempotency, reconciliation, and audit trails.
• Plan for peak load and failure scenarios, including market open and volatile days, and drive load testing and capacity planning.
• Identify technical risks, evaluate trade-offs, and drive decisions aligned with business and regulatory needs.
• 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, Operations, and Compliance on cross-team initiatives.
• Mentor Senior Engineers and help develop technical leadership across the team.
• Implement critical components and solve complex problems hands-on.

Benefits

• Performance bonus.
• Comprehensive private health insurance.
• Paid time off.
• Company-sponsored training, courses, and professional certifications.
• Hybrid work arrangement with flexibility to work remotely and from the office.
• Career growth through working with experienced leaders and taking on meaningful ownership.
• Employee discounts, partnerships, and lifestyle perks.
• Collaborative, high-ownership culture with cross-functional teams.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior