Senior Backend Engineer, Platform Services (Remote)

Ajaib Group; Jakarta Pusat; Remote; IDR 520,000,000 - 900,000,000; Full time

Benefits offered by this job

Performance Bonus

Private Insurance - Comprehensive heal

Paid Time Off

Learning & Development

Hybrid Work Arrangement

Career Growth

Employee Perks

Collaborative & High-Ownership Culture

Job summary

Ajaib Group is seeking a Senior Backend Engineer I to join the Platform team. You will design, build, and maintain shared backend services and APIs that power multiple products, with a strong focus on security, reliability, and performance.

This role embraces a fully remote arrangement with collaboration across distributed teams. You will own features end-to-end—from design to production—while upholding clear documentation, tests, and code reviews, in a fintech environment that values ownership

Qualifications

• Bachelor's degree in Computer Science or equivalent practical experience.
• 4+ years of professional backend engineering, including running services in production.
• Strong in Java, Go or another modern backend language.
• Good understanding of microservices, REST/gRPC APIs, event-driven design and reliability basics.
• Hands-on with relational databases (query tuning), caching (Redis) and messaging (Kafka).
• Working knowledge of authentication and authorization (OAuth2, JWT) and secure coding.
• Experience with cloud platforms (GCP or AWS), containers and CI/CD.
• Ownership mindset, clear communication and a service attitude toward internal users.

Responsibilities

• Design, build and maintain shared backend services and APIs used by many product teams.
• Deliver features from technical design to production, with tests, monitoring and alerting.
• Keep APIs stable and backward compatible, and communicate changes clearly to the teams that use them.
• Build secure services that protect user identity, sessions and personal data.
• Write clear documentation and examples so other engineers can use your services without asking for help.
• Write clean, well-tested code and take an active part in code reviews.
• Investigate production issues, find root causes and help ship lasting fixes.
• Improve the performance and reliability of the services your team owns.
• Work with product engineering teams, Security and Infrastructure to turn requirements into reliable solutions.

Skills

Java

Go

REST & gRPC

Distributed systems

Relational databases

Education

Bachelor's degree in Computer Science or equivalent

Tools

Kafka

Redis

Cloud platforms (GCP/AWS)

Containers

CI/CD

Job description

Ajaib Group is seeking a Senior Backend Engineer I to join the Platform team. You will design, build, and maintain shared backend services and APIs that power multiple products, with a strong focus on security, reliability, and performance.

This role embraces a fully remote arrangement with collaboration across distributed teams. You will own features end-to-end—from design to production—while upholding clear documentation, tests, and code reviews, in a fintech environment that values ownership