Distributed Storage Sustaining Engineer - C/C++

Arcfra Pte. Ltd.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Arcfra Pte. Ltd. is seeking a Sustaining Software Engineer with a strong background in distributed systems, storage technologies, and C/C++ development.

In this hands-on role, you will maintain and improve production-grade storage products, investigate complex defects, and craft reliable fixes while collaborating with support, QA, and engineering teams to ensure reliability. The ideal candidate will thrive on mature systems, understand production behavior, and confidently debug across multiple

Qualifications

• Bachelor's degree or higher in Computer Science, Computer Engineering, Software Engineering, or related field.
• Strong programming experience in C or C++.
• Solid understanding of data structures, algorithms, multithreading, memory management, and network programming.
• Practical experience with Linux systems and Linux debugging tools.
• Good understanding of distributed systems concepts such as replication, consistency, consensus, fault tolerance, distributed state management, and failure recovery.
• Experience with storage technologies such as distributed storage systems, block/file/object storage, storage virtualization, RAID/snapshots/replication, or NVMe/SCSI/networked storage.

Responsibilities

• Maintain and improve distributed storage and data infrastructure products.
• Investigate and resolve customer-reported product issues, including performance degradation, service interruptions, data-path failures, and unexpected system behavior.
• Reproduce production issues in lab/test environments and identify root causes.
• Develop, review, test, and deliver high-quality bug fixes using C or C++.
• Analyze system logs, core dumps, stack traces, performance metrics, and storage-related diagnostic information.
• Troubleshoot issues involving distributed systems, storage engines, networking, operating systems, concurrency, and hardware interactions.
• Work closely with customer support and field engineering teams to collect technical information and provide troubleshooting guidance.
• Collaborate with product development teams on defects, architectural improvements, and product reliability.
• Create diagnostic tools, scripts, test cases, and internal documentation to improve troubleshooting efficiency.
• Participate in product release validation and ensure fixes are backported to supported product versions.
• Contribute to improving product observability, serviceability, stability, and maintainability.

Skills

C/C++ programming

Multithreading

Memory management

Network programming

Distributed systems concepts

English & Chinese communication

Education

Bachelor's degree in CS/CE/SE or related field

Tools

GDB

strace

Perf

Job description

Arcfra Pte. Ltd. is seeking a Sustaining Software Engineer with a strong background in distributed systems, storage technologies, and C/C++ development.

In this hands-on role, you will maintain and improve production-grade storage products, investigate complex defects, and craft reliable fixes while collaborating with support, QA, and engineering teams to ensure reliability. The ideal candidate will thrive on mature systems, understand production behavior, and confidently debug across multiple