Principal Backend Engineer — Scale Robust Fintech Systems

PT Ajaib Sekuritas Asia; Jakarta Pusat; Hybrid; IDR 900,000,000 - 1,500,000,000; Full time

Benefits offered by this job

Performance bonus

Private insurance

Paid time off

Learning & development

Hybrid work

Career growth

Employee perks

High-ownership culture

Job summary

PT Ajaib Sekuritas Asia is seeking a Staff/Principal Backend Engineer to steer architecture and technical direction for core platforms. You will work across multiple teams to deliver scalable, secure, and reliable systems while mentoring senior engineers and setting engineering standards.

The role emphasizes leadership in distributed systems, cloud-native design, and collaboration with product, platform, and security teams.

Qualifications

• Bachelor's or Master's in Computer Science or equivalent practical experience.
• Extensive professional software engineering experience with large-scale distributed systems.
• Proficiency in Java or Go and modern backend languages.

Responsibilities

• Define and drive long-term technical architecture across teams.
• Lead design and evolution of scalable, secure distributed systems.
• Review critical designs and provide architectural guidance.
• Establish best practices for reliability, observability, and performance.
• Mentor engineers and grow technical capabilities across the org.
• Collaborate with product, infrastructure, and security teams.

Skills

Java

Go

Backend development

Education

Bachelor's or Master's in Computer Science

Tools

Kafka

Redis

Relational/NoSQL databases

Job description

PT Ajaib Sekuritas Asia is seeking a Staff/Principal Backend Engineer to steer architecture and technical direction for core platforms. You will work across multiple teams to deliver scalable, secure, and reliable systems while mentoring senior engineers and setting engineering standards.

The role emphasizes leadership in distributed systems, cloud-native design, and collaboration with product, platform, and security teams.