DDN
Software Engineer III
- Location Pune Office
- Experience 8+ yrs
- Job type Full-time
- Posted 15 Oct 2026
You will be taken to DDN’s own careers page to apply. Job ID ddc59eeb-cb37-400f-a18b-461cedafe558.
Job description
Job Summary
We are looking for a skilled Software Engineer III to design, develop, and optimize userspace block devices on Linux. The role involves working close to the Linux kernel, io_uring, and storage subsystems to build high‑performance, reliable, and scalable storage solutions.
Roles and Responsibilities
- Design, develop, and maintain UBLK-based userspace block devices on Linux
- Work with Linux block layer, io_uring, and kernel interfaces
- Implement high‑performance I/O paths with low latency and high throughput
- Debug and resolve issues across user space and kernel space
- Optimize storage performance, memory usage, and CPU utilization
- Collaborate with kernel, platform, and application teams on storage architecture
- Write clean, maintainable, and well-documented code
- Review code and contribute to design discussions and technical decisions
- Participate in performance benchmarking and regression analysis
- Guide and assist QA group with creating & executing the test cases.
- Provide insight into the system behaviour by analysing system logs & debugging software
