Yu Otsubo
Fullcycle and Public Cloud Tech Lead
I'm a Software and Infrastructure developer with over 8+ years, and I've been leading some engineering teams in recent years.
Expert at AWS by using Server-less architecture.
Also a master of Server-side API and Batch with Python.
Additionally, experienced data science with Python and AWS.
I have lectured at AWS Summit Tokyo 19 with company booth.
I have AWS Certified Solution Architect – Professional.
Skills
AWS
- EC2
- Lambda
- ECS
- DynamoDB
- SQS
- CloudWatch
- Athena
- S3
- Glue
- ElasticBeanStalk
- Terraform
- Packer
OS/Network/Security
- MacOS
- CentOS
- Debian(Ubuntu)
- OpenVPN
- TCP/UDP
- KVM
- Hyper-v
- Docker
- nmap
- Wireshark
- Burp
Database
- SQL
- MySQL
- RDS(Aurora)
- Oracle 11g
- Presto with Hadoop
- Hive with Hadoop
Server-side Develop
- Django(Python)
- Flask(Python)
- Responder(Python)
- SpringBoot(Java)
- Echo(Go)
Automated Test
- Pytest
- Jest
- Selenium
CI/CD
- Jenkins
- CircleCI
- Drone
- Azure Develop Pipeline
- Travis
- Appvoyeur
- GitHub Actions
Business Intelligence
- Tableau
- QuickSight
- Elasticsearch with Kibana
- Dash by plotyJs
Web Develop
- Vue.js with Typescript, Vuex
- Bootstrap4
- Gatsby.js
- JQuery
Data Science
- Jupyter notebook
- Pandas
- Scikit learn
- R
- Keras
Native App Develop
- Flutter
- Android Java(WearOS)
Work Experience (8)
Developing and operating some location-based services by using on-premise servers.
Also develop integrated monitoring systems such as Zabbix.
Started the company
Integrate monitoring and operation system using by Zabbix and Expect
I had many experiences such as project management, team building, and handling big data. Our team created the analytics operation system with Splunk and Hadoop(MapR) Used for the company's internal log.
Project management
Team building
Use Splunk
Hadoop(MapR)
Developing and Operating Web-based Chatbot services by using AWS and Python, Node.js.
The architecture is applied by AWS management services such as ECS with Docker, DynamoDB, Lambda, and S3.
Also, creating CI/CD pipelines using by Drone and automation tests using by Pytest.
First experience using AWS
First experience using Python and Node.js
Server-less architecture
Scrum development
Developing data analysis infrastructure using AWS because of analysis of the Chat-bot's conversations.
The architecture is followed by Data-lake architecture.
Data-lake Architecture using AWS
Server-less with Lambda Python
Pandas
Scrum development
Senior engineer and AWS tech Lead of developing Web-based and Native App Chat-bot services by using AWS and Python, Node.js.
The number of Team member is over 8-10, experienced only make architect, developing but also team management, solving difficult issues, and negotiating quite a few stakeholders.
My first experience of tech lead
The Architecture introduced at the AWS Summit
Scrum development
Application engineer of developing Web-based event matching platform by using AWS, Nest.js + React with TypeScript.
Engaged in the full cycle of planning, requirement definition, development, QA, and operation as a full cycle engineer.
Formulate and execute missions and projects for the Product Infrastructure team as Development Manager.
Engaged in the development of a pseudo-live function for live delivery of pre-recorded videos as a video delivery platform/API infrastructure for external collaboration.
As an SRE Engineer, improved continuous development processes using CDK, GitHub Actions, and Autify.
Joined as SRE engineer to build and improve CI/CD pipeline/infrastructure (AWS).
Migration of services built on EC2 to ECS/Fargate while building Blue/Green deployment mechanism.
Expansion of automated testing using Autify and development of execution pipeline to improve efficiency of QA operations.
Developing Data Clean Room with Snowflake and AWS.
Projects (2)
- AWS
- Python
- Elasticsearch
A chat-bot in Web page
Hybrid arch with chat-bot and human operators
Use Elasticsearch for FAQ search engine
- AWS
- Node.js
- Python
A chatbot in Native App
Hybrid arch with chatbot and human operators
Featured at AWS Summit Tokyo
Education (3)
- Social education
- Educational psychology
- Education within enterprise
- Javascript
- C++
- Ruby
- VisualBasic
- Java
- Unix/Linux
- UML/Design Pattern
- Multimedia(Adobe PhotoShop/AfterEffects/Premier)
- Database(MySQL, Oracle)
- R
- Multivariate analysis
- Social statistics
Awards
Stable and flexible system design utilizing AWS and successfully responded to large-scale traffic without problems.
Languages
Japanese
English
Interests
Photograph
- Take photos in metropolis night view
- Take photos in Nature
Music
- Original music
Sports
- Watching Baseball
- Playing Table-tennis