# Tomohiro O.

> Staff Software Engineer | Backend & Distributed Systems | AI/ML Platform

Location: United States, United States
Profile: https://flows.cv/tomohiro

Strategic technology leader who combines hands-on backend engineering expertise with business-driven system design. I architect and implement high-performance distributed systems, scalable APIs, and core services while driving technical vision. Passionate about building resilient systems that solve today's complex business challenges and anticipate tomorrow's opportunities.

Core Technology: 
• Python (FastAPI, Django)
• TypeScript (Node.js)
• Golang
• Rust
• AWS/GCP
• Kubernetes

Others:
• Scala
• Zig
• C++
• Gleam

## Work Experience
### Staff Software Engineer @ Stealth Startup
Jan 2024 – Present
large-scale distributed systems

### Senior Backend Engineer @ AppOmni
Jan 2023 – Jan 2024 | San Francisco Bay Area
Core Backend/Services

Python, Django, Django REST Framework, APIs, Golang, TypeScript, Celery, Redis, Postgres, GCP, GKE, CircleCI

### Various Startups @ Various Startups
Jan 2020 – Jan 2024 | San Francisco Bay Area
Leading data infrastructure, tools platform, anomaly detection, and analytics API platform.

Technologies: Python, Golang, TypeScript/Node.js, Rust, Flask, Airflow, ClickHouse, Spark, MongoDB, Elasticsearch/ELK, MariaDB, AWS Kinesis, GCP, OpenCV, Pytorch, Tensorflow, C++, Docker, C#, Powershell, Jenkins

### Lead Software Engineer @ Hivemapper
Jan 2022 – Jan 2023 | San Francisco Bay Area
App Platform / Core Backend

Technologies - TypeScript, Node.js, Express, SQLite, AWS S3, Kinesis, Mode, Python, Rust

### Core Backend @ BluBracket
Jan 2021 – Jan 2022 | San Francisco Bay Area
Core Platform - integrations, services, and APIs.

Technologies: Python, REST API, Tornado, Celery, RabbitMQ, Postgres, Golang, Vault, GKE/Kubernetes, GCP

### Data Platform @ ReSci (Retention Science)
Jan 2020 – Jan 2021 | Los Angeles Metropolitan Area
Data Platform Engineering - event driven systems, integration infrastructure

Technologies: Scala/Play, Python, TypeScript/Node, Ruby/Rails, AWS Lambda, Kinesis, SQS, SNS, S3, Dynamo, serverless, JWT

### Research Engineer @ Intelligent and Autonomous Systems Lab
Jan 2015 – Jan 2017
- Analysis of pedestrians and their real-time movements for urban IoT systems (yolo-v2, OpenCV).
- Integrated low-bandwidth, high definition audio/video capture and edge stream processing architecture.


## Education
### Bachelor of Science (B.S.) in Computer Science and Engineering
UC Irvine


## Contact & Social
- LinkedIn: https://linkedin.com/in/tjohkubo

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Source: https://flows.cv/tomohiro
JSON Resume: https://flows.cv/tomohiro/resume.json
Last updated: 2026-03-22