CV / Resume

York Tanaka

Senior Software Engineer

york.tiger.2024@gmail.com | +1 (251) 250-0203 | Windsor, ON N8Y 3J8, Canada

in/york-tanaka-5469243ab | github.com/ichiko1990

PROFESSIONAL SUMMARY

Senior Software Engineer with 10+ years of experience delivering secure, scalable, cloud-native systems across enterprise environments. Specialized in microservices, event-driven architecture, and Kubernetes-based deployments on AWS and GCP. Strong background in DevOps, Infrastructure-as-Code, and CI/CD using Terraform and GitOps, with expertise in defining architectural standards, integration patterns, and high-availability systems. Experienced in implementing secure authentication (OAuth2/OIDC), API gateways, and observability practices including logging, monitoring, and tracing. Brings deep backend expertise (Python, Node.js, .NET) combined with modern data and AI-driven systems, delivering reliable, high-performance solutions aligned with cloud-native and enterprise best practices.

Skills:

Programming Languages: Python, JavaScript, TypeScript, C#, Java, Go, SQL
Architecture & Design: Cloud-Native Architecture, Microservices Architecture, Event-Driven Architecture (EDA), Domain-Driven Design (DDD), Distributed Systems Design, System Integration Patterns, API Design (OpenAPI 3.0), Scalable System Design, Hybrid Cloud Architecture, NFRs
AI & GenAI: LangChain, LangGraph, CrewAI, MCP, RAG, embeddings, semantic search, vector DBs (Pinecone, FAISS), prompt engineering, LLM routing, GPT-4/5, Claude, Mistral, Gemini, LangSmith, multi-agent workflows, STT/TTS, Retell.ai, LiveKit, Deepgram, ElevenLabs, CoreWeave, RunPod
Backend Development: FastAPI, Flask, Spring Boot, Django, Node.js, Express, NestJS, .NET, Prisma, GraphQL, REST API, OpenAPI, Celery, Redis, WebSockets, gRPC
Frontend Development: React, Next.js, TypeScript, Tailwind CSS, Context API, Zustand, Responsive UIs
Automation Tools & CRMs: AutoML, MLflow, Make.com, n8n, Airtable, Zoho, GHL

Cloud & DevOps: AWS (EBS, EC2, S3, Lambda, Step Functions, EventBridge, RDS, DynamoDB, EMR, IAM, ECS/EKS), GCP (GKE, Pub/Sub), Docker, Kubernetes, OpenShift, Terraform, Helm, ArgoCD, CI/CD, GitHub Actions, Jenkins, Vercel, Heroku
Databases & Data Architecture: PostgreSQL, MySQL, DynamoDB, ETL pipelines, Supabase, Real-time analytics
Eventing & Messaging: Kafka, RabbitMQ, Pub/Sub, NATS, Asynchronous Processing, Streaming Architectures, CloudEvents
Observability & Reliability: ELK, Prometheus, Grafana, CloudWatch, OpenTelemetry, Logging/Monitoring, Alerting, SLOs/SLIs, High Availability, Fault Tolerance
Security & Compliance: BurpSuite, OWASP, JWT, SAML, Vulnerability Scanning, Encryption, KMS, Key Vault, SSL/TLS

EDUCATION

The University of Tokyo

Bachelor's degree, Computer Science

2011 - 2015

CERTIFICATIONS

Development with AI and Web Services
Web Development with Python Developer
IBM MQ on AWS Cloud Developer Essentials
IBM Ecosystem Cloud Native Developer Essentials
Cloud DevOps

KEY TECHNOLOGIES

Python

TypeScript

Node.js

Java

React

Next.js

FastAPI

NestJS

.NET

LangChain

LangGraph

RAG

Vector DBs

GPT-4/5

Claude

Gemini

AWS

GCP

Kubernetes

Docker

Terraform

ArgoCD

GitHub Actions

Kafka

RabbitMQ

Redis

PostgreSQL

Supabase

Prisma

GraphQL

gRPC

Prometheus

Grafana

OpenTelemetry

Step Functions

EventBridge

NATS

OpenAPI

PROFESSIONAL EXPERIENCE

Next Dimension

Software Engineer

March 2024 - October 2025

Windsor, Canada

Designed and delivered cloud-native AI platforms using Python (FastAPI), Node.js, React, and Next.js, aligning solutions with microservices and Kubernetes-based deployment patterns.
Designed event-driven RAG pipelines with LangChain and distributed messaging patterns, improving system scalability and reducing response latency by 40% across asynchronous workflows.
Implemented data architecture using PostgreSQL, Prisma, and Supabase, enabling real-time data access, vector storage, and optimized retrieval aligned with modern data modeling practices.
Architected hybrid cloud infrastructure across AWS, GCP, and GPU platforms (CoreWeave, RunPod) using Terraform and Kubernetes (EKS), improving scalability, resilience, and deployment consistency.
Applied secure SDLC practices including PIPEDA-aligned controls, authentication mechanisms, and automated security testing to ensure compliance and system integrity.
Established CI/CD pipelines, observability (logging, metrics, alerting), and automated testing frameworks, reducing incident resolution time by 35% and improving system reliability.
Collaborated with cross-functional teams to define architecture decisions, integration patterns, and non-functional requirements aligned with enterprise and cloud-native standards.
Produced architectural documentation, system diagrams, and runbooks to support knowledge transfer, onboarding, and long-term maintainability of distributed systems.

ACS

FullStack Engineer

October 2021 - February 2024

Windsor, Canada

Designed and evolved backend architectures using C#/.NET, Python, and Node.js, aligning services with microservices patterns and cloud-native design principles.
Built event-driven and asynchronous systems using messaging technologies and background processing, enabling scalable and loosely coupled service communication.
Developed and deployed containerized microservices on AWS and GCP using Docker, Kubernetes, and CI/CD pipelines, improving deployment reliability and operational efficiency.
Delivered frontend-integrated platforms using Next.js, GraphQL, and PostgreSQL, ensuring high-performance APIs and optimized user experience across distributed systems.
Collaborated with cross-functional teams in agile environments to align technical solutions with business goals, ensuring feasibility and scalability of system designs.
Created and maintained technical documentation including API specifications, deployment workflows, and architectural guidelines to support consistent delivery practices.
Mentored junior developers on cloud-native architecture, DevOps practices, and secure coding standards, strengthening team capability and delivery quality.

AlphaKOR

FullStack Engineer

October 2018 - October 2021

Windsor, Canada

Built full-stack applications using MERN, .NET Core, and Python, applying software architecture and OOP principles to deliver scalable enterprise solutions.
Designed serverless architectures using AWS Lambda, API Gateway, and event-driven workflows, reducing operational overhead and improving automation efficiency.
Developed dashboards, reporting modules, and workflow automation features for MRP, HR, and business-management platforms, reducing manual processes by 30%.
Implemented REST APIs, authentication flows, and multi-tenant data-processing pipelines with a focus on performance optimization and secure data handling.
Collaborated with business, HR, and operations teams to build automation tools aligned with organizational needs.
Deployed cloud-hosted applications using Docker, CI/CD pipelines, and monitoring tools across AWS and GCP.

Safeguard Global

FullStack Developer

October 2015 - September 2018

Mississauga, Canada

Developed full-stack web applications for e-commerce and financial platforms using JavaScript (ES6), Node.js/Express, React, and Angular.
Built responsive, mobile-optimized UIs using HTML5, CSS3, and SPA frameworks, improving page performance and cross-platform compatibility.
Designed backend services, REST APIs, and data-processing workflows using Node.js, Python, and relational databases, improving query performance and system scalability.
Integrated secure payment systems, authentication flows, and transaction-handling logic, reducing checkout errors and improving reliability.
Implemented caching, session management, and performance tuning techniques to support high-traffic environments and reduce latency by 20%.