Capabilities

A compact stack for serious software products.

The toolkit spans the full delivery path: build clear interfaces, design dependable APIs and data flows, test critical paths, and ship systems that stay maintainable as product scope grows.

Frontend

01
  • React 18/19
  • TypeScript
  • Next.js 15/16
  • Redux Toolkit
  • Zustand
  • TanStack Query
  • Tailwind CSS

Backend & APIs

02
  • Node.js
  • Express
  • FastAPI
  • Django REST Framework
  • REST
  • GraphQL

Data & Messaging

03
  • PostgreSQL
  • Prisma
  • Redis
  • RabbitMQ
  • Transactional outbox
  • Idempotent consumers

Real-time & Security

04
  • WebSocket
  • Socket.IO
  • GraphQL Subscriptions
  • JWT
  • OAuth 2.0
  • Role-based access control

DevOps & Delivery

05
  • Docker
  • Kubernetes / K3s
  • GitHub Actions
  • Argo CD
  • Jenkins
  • Prometheus / Grafana

Quality & Tooling

06
  • Vitest / Jest
  • React Testing Library
  • Cypress
  • WCAG 2.1 AA
  • Vite
  • Webpack
  • Cursor / Claude

Toolkit

The stack I reach for.

A production-ready toolkit spanning interfaces, APIs, data, real-time systems, testing, and delivery.

React
TypeScript
Next.js
Node.js
Express
FastAPI
GraphQL
PostgreSQL
Redis
RabbitMQ
Tailwind CSS
Vitest
Cypress
GitHub Actions
Docker
Kubernetes
Argo CD
SonarQube

Technical wins

Engineering outcomes across the stack.

35%

01

Reduced initial JavaScript payload by 35% (1.4 MB to 910 KB) through route-level code splitting aligned with RBAC route boundaries, improving LCP by 1.2s.

58-60 FPS

02

Introduced test gates with 90%+ coverage on critical paths, reducing production regressions by approximately 25% over eight sprints.

60 FPS

03

Led a seven-person frontend team responsible for key modules of an HR platform serving 100+ customers in Japan.

90%

04

Eliminated N+1 queries with Django ORM eager loading when loading interactive floors containing 2,000+ objects.

5

05

Built and deployed seven Node.js microservices with independent PostgreSQL data ownership, real-time communication, and reliable RabbitMQ delivery.

2

06

Deployed containerized services to K3s with Argo CD, automated migrations, resource limits, and Prometheus/Grafana monitoring.