Frontend
01- React 18/19
- TypeScript
- Next.js 15/16
- Redux Toolkit
- Zustand
- TanStack Query
- Tailwind CSS
Capabilities
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.
Toolkit
A production-ready toolkit spanning interfaces, APIs, data, real-time systems, testing, and delivery.
Technical wins
35%
01Reduced 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
02Introduced test gates with 90%+ coverage on critical paths, reducing production regressions by approximately 25% over eight sprints.
60 FPS
03Led a seven-person frontend team responsible for key modules of an HR platform serving 100+ customers in Japan.
90%
04Eliminated N+1 queries with Django ORM eager loading when loading interactive floors containing 2,000+ objects.
5
05Built and deployed seven Node.js microservices with independent PostgreSQL data ownership, real-time communication, and reliable RabbitMQ delivery.
2
06Deployed containerized services to K3s with Argo CD, automated migrations, resource limits, and Prometheus/Grafana monitoring.