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Ajaib

Senior Backend Engineer II – Investment

Ajaib

. Design, build and run scalable, secure backend services and APIs for trading, market data and portfolio features .

Posted 10/27/2026full-timeJakarta • IndonesiaSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and building scalable backend services and APIs, with a strong focus on reliability, observability, and integration with external systems. Proven ability to mentor engineers and lead design reviews while maintaining clear communication across teams.

Highest-signal resume keywords
Backend EngineeringJavaMicroservicesCloud PlatformsCapital Markets

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Backend EngineeringJavaGoMicroservicesREST APIsGRPC APIsRelational DatabasesNoSQL DatabasesCachingMessaging
Soft Skills
Ownership MindsetClear CommunicationMentoring
Tools & Technologies
RedisKafkaGCPAWSCI/CD
Industry Keywords
Capital MarketsBrokeragePaymentsHigh-Traffic Environment

Tech Stack

Tools & technologies
AWSCloudGoogle Cloud PlatformGRPCJavaKafkaMicroservicesNoSQLRedisGo

About the role

Key responsibilities & impact
  • Design, build and run scalable, secure backend services and APIs for trading, market data and portfolio features
  • Own larger features and services end to end, including monitoring, alerting and on-call follow-up
  • Design for accurate money and quantity handling, idempotent requests, safe retries and audit trails
  • Keep services fast and stable at market open and during peak volume, and plan capacity ahead of known events
  • Integrate with exchange, clearing, bank and other external systems, making integrations resilient to failure
  • Lead design reviews and provide thoughtful code reviews
  • Investigate production incidents, conduct root cause analysis and ship lasting fixes
  • Mentor mid-level engineers and share knowledge within the team
  • Work with Product, Operations and Compliance to turn requirements into reliable solutions

Requirements

What you’ll need
  • Bachelor's degree in Computer Science or equivalent practical experience
  • 5+ years of professional backend engineering experience
  • Track record of owning production services under high traffic
  • Strong in Java, Go or another modern backend language
  • Solid understanding of microservices, REST/gRPC APIs, event-driven design, reliability and observability practices
  • Hands-on experience with relational and NoSQL databases, including query tuning
  • Experience with caching, including Redis
  • Experience with messaging, including Kafka
  • Experience running services on cloud platforms such as GCP or AWS
  • Experience with containers and CI/CD
  • Ownership mindset and clear communication
  • Experience in capital markets, brokerage, payments or another regulated, high-traffic environment is a strong plus

Benefits

Comp & perks
  • 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.