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Takahiro Itazuri's Homepage

Software Development Engineer II @ Amazon Web Services

• Maintaining Firecracker
  • Commits
  • Issues & PRs

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Interest Areas

• Low-layer software (Virtualization, Operating System, etc...)
• OSS contribution
  • Firecracker
  • Linux kernel
  • dynein - DynamoDB CLI
• Computer Vision, Multimedia Processing, Machine Learning (especially Adversarial Examples)
  • Research projects & publications

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Skills

Programming Languages

• Rust
• C/C++
• Python
• Shell Script
• Assembly (x86)
• JavaScript / TypeScript
• Go

Technical Skills / Knowledge

• Virtualization
• Linux
• AWS
• PyTorch
• OpenCV
• React / Next.js

Certifications

• EC2 Core Subject Matter Expert (SME)
• Fundamental Information Technology Engineer Examination
• Applied Information Technology Engineer Examination
• AWS Certified Solutions Architect - Associate

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Biography

Amazon Web Services

Nov. 2023 - Present Software Development Enginner II

• Maintainer of Firecracker
  • Commits
  • Issues & PRs
• Collaboration with other AWS service teams.

Aug. 2022 - Nov. 2023 Software Development Engineer I

• Maintainer of Firecracker
  • Commits
  • Issues & PRs

Sept. 2021 - Aug. 2022 Cloud Support Engineer II

• Premium technical support for AWS services (EC2, EBS, Linux, ElastiCache, EFS, etc...).
• EC2 Core Subject Matter Expert (SME).
• Hiring and training other support engineers.
• Maintainer of softwares.
  • dynein (DynamoDB CLI written in Rust)
  • Internal tools

June 2020 - Sept. 2021 Cloud Support Engineer I

• Premium technical support for AWS services (EC2, EBS, Linux, ElastiCache, EFS, etc...).
• EC2 Core Subject Matter Expert (SME).

Aug. 2019 - May 2020 Cloud Support Associate II

• Premium technical support for AWS services (EC2, EBS, Linux, ElastiCache, EFS, etc...).

Apr. 2019 - Aug. 2019 Cloud Support Associate I

• Premium technical support for basic AWS services (EC2, EBS, ELB, VPC, Route 53, S3, IAM, CloudFront, RDS, etc...).

FOVE Inc.

Aug. 2018 - Dec. 2018 Research Internship

• Research theme: Video Sementic Segmentation

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Education

Waseda University

Apr. 2017 - Mar. 2019   Master of Engineering

• Belonging: Morhishima Lab., Master Department of Pure and Applied Physics, Graduate School of Advanced Science and Engineering
• Research projects & publications
• IPA Exploratory IT Human Resource Project (MITOU Program)
  • Project title: Software to improve sports skills enjoyably with music
  • Final presentation: YouTube
• GPA: 3.87

Apr. 2013 - Mar. 2017   Bachelor of Science

• Belonging: Morhishima Lab., Department of Physics, School of Advanced Science and Engineering
• GPA: 3.26

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Hobby

Toy OS (Haribote OS)

• 32-bit OS running on (single core) x86.
• Boot from Legacy BIOS.
• GUI (window system, mouse pointer, ...) and CUI (console window with simple commands).
• Multi-tasking.
• Simple system calls.
• Some applications (timer, calculator, text viewer, image viewer, invader game, etc...).

Toy CPU (TD4)

• 4-bit CPU using 74HC series logic chips.
• Simple ISA
  • Fixed length instructions (4-bit for opcode and 4-bit for operand).
  • Instructions: MOV, ADD, IN, OUT, JMP, JNC.
• Hardware specifications:
  • 4-bit general registers (A register and B register).
  • 1-bit flag register (for carry flag).
  • 4-bit program counter.
  • 4-bit I/O ports.
  • 16-byte ROM with binary code.

Breadboard ver.	Printed Board ver.	FPGA ver.

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Links

• GitHub
• LinkedIn
• AtCoder
• Twitter