Saugata Das
Bangalore
Summary
Experienced storage engineer with 22 years of experience in software design and architecture primarily in embedded domain, specialized in the area of NAND flash management, have played multiple roles from being individual contributor solving production blocking issues to coordinating different teams to secure customer deliverables.
Overview
22
22
years of professional experience
9
9
years of post-secondary education
3
3
Languages
Work History
Associate Technical Director
Samsung Semiconductor India Research
Bangalore
2019.03 - Current
- Responsible for software architecture of NVMe SSD devices
- Have been part of multiple end to end full life cycle NVMe projects involving controller and NAND transitions
- Responsible deliverables to one key OEM customer of Samsung. Drive qualification of that OEM products through all quality management at Samsung. Discuss with customer about next deliverables and issue fixes. Understand OEM specification changes and deploy it across projects, which are planned for that OEM.
- Proactively identified potential risks and implemented mitigation strategies to minimize negative impacts on projects or business operations
- Part of first cohort which has undergone training for software architecture over period of 2 year. As part of project deliverables for this program, worked on storage optimization which helps to reduce machine learning training time
- Chair patent review panel within memory solution business unit
- Assisted in recruiting, hiring and training of team members
- Qualified professional level in Samsung internal competitive coding tests
Technologist
Western Digital
Bangalore
2014.09 - 2019.03
- Responsible for NVMe SSD architecture, specifically with expertise in backend.
- Worked on QLC NAND characterization study for designing endurance algorithm
- Enhanced system performance by implementing innovative technologies and optimizing existing processes
Principal Engineer
LSI
Bangalore
2012.09 - 2014.09
- Worked as architect in various caching solutions in storage controllers
- It involved identifying different streams within workload and use different caching criteria based on performance need
- Worked on early-stage prototyping of Linux NVDRAM architecture on SSD.
Member Technical Staff
STEricsson
Bangalore
2006.04 - 2012.09
- Worked as architect for overall storage software of android based STE application processor
- Represented STE in Linaro group and made contribution in Linux storage stack for eMMC and UFS drivers.
- Managed memory suppliers and flash management solution providers. Prepare product feature roadmap based on supplier roadmap
Senior Software Engineer
Samsung Electro Mechanics
Bangalore
2004.08 - 2006.03
- Responsible for real time OS development for Zigbee based sensors
- Worked on wireless audio streaming
Specialist Systems
Picopeta Simputers Pvt Ltd
Bangalore
2002.04 - 2004.08
- Responsible for Linux kernel maintenance and porting for handheld computer called Simputer
- Worked on game and chat applications
Education
Certificate - Chief Technology Officer Program
Indian Institute of Management
Lucknow 2023.12 - 2024.12
Certificate - IT Project Management
Indian School of Business
Hyderabad 2022.12 - 2023.05
Post Graduate Diploma - Data Science
International Institute of Information Technology
Bangalore 2020.09 - 2021.10
Master of Technology - Computer Science
Indian Institute of Technology
Kanpur 1999.04 - 2001.03
Bachelor Of Engineering - Computer Science
National Institute of Technology
Silchar 1994.06 - 1998.08
Skills
Software architecture
undefinedPatents
22 patents at USPTO
- Method and system for performing read/write operation within a computing system hosting non-volatile memory
- Method and system for offloading lookup operation to NAND offload apparatus
- Method and apparatus for configuring a non-volatile memory device without data transfer
- Method and system for L2P mapping for data storage device comprising nonvolatile memory
- Suspending and resuming a read operation for a non-volatile memory
- Methods and apparatus for variable size logical page management based on hot and cold data
- Soft erase and programming of nonvolatile memory
- Method to switch between traditional SSD and open-channel SSD without data loss
- Methods and apparatus for controlling flash translation layer recycle from host
- Methods and devices for reducing compressed page loading time on page fault
- Non-volatile storage with adaptive command prediction
- System, method and computer-readable medium for dynamically mapping a non-volatile memory store
- Caching systems and methods for page reclamation with simulated NVDRAM in host bus adapters
- Enhanced SSD caching
- Caching systems and methods for execution within an NVDRAM environment
- System and methods for caching a small size I/O to improve caching device endurance
- Hint selection of a cache policy
- Selective mirroring in caches for logical volumes
- Asynchronous bad block management in NAND flash memory
- Systems and methods for I/O processing using out-of-band hinting to block driver or storage controller
- System for efficient caching of swap I/O and/or similar I/O patterns
- Device controller for a memory device
Personal Information
- Date of Birth: 01/12/77
- Nationality: Indian
- Marital Status: Married
Publications
- Efficient NAND Age Prediction through CVD Tracking
- Method of improving read error recovery by observing neighboring WL state
- Asymmetric Splice: Optimizing TCP Forwarder Performance for the HTTP/1.1 Protocol
Timeline
Certificate - Chief Technology Officer Program
Indian Institute of Management
2023.12 - 2024.12
Certificate - IT Project Management
Indian School of Business
2022.12 - 2023.05
Post Graduate Diploma - Data Science
International Institute of Information Technology
2020.09 - 2021.10
Associate Technical Director
Samsung Semiconductor India Research
2019.03 - Current
Technologist
Western Digital
2014.09 - 2019.03
Principal Engineer
LSI
2012.09 - 2014.09
Member Technical Staff
STEricsson
2006.04 - 2012.09
Senior Software Engineer
Samsung Electro Mechanics
2004.08 - 2006.03
Specialist Systems
Picopeta Simputers Pvt Ltd
2002.04 - 2004.08
Master of Technology - Computer Science
Indian Institute of Technology
1999.04 - 2001.03
Bachelor Of Engineering - Computer Science
National Institute of Technology
1994.06 - 1998.08
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