Computer Science Student @ Sungkyunkwan University · Backend / Full-stack Engineer
TypeScript · NestJS · PostgreSQL · Redis · Docker · GCP · AI tooling
LinkedIn · Email · GitHub · OSS Contributions
Featured Work · SaaS API · Open Source · Technical Focus · Stats
| Project | What it proves | Stack |
|---|---|---|
| SaaS Starter API | Production-style backend: auth, RBAC, billing, API keys, quotas, audit logs, tests, GCP staging | NestJS, TypeScript, PostgreSQL, Prisma, Redis/BullMQ, Stripe, Docker, Terraform, GCP |
| Career-Ops OSS Contributions | Open-source collaboration on AI-powered job-search tooling with 39k+ stars | Go, JavaScript, Claude Code, CI, docs |
| ShuGo | Mobile productivity platform with Firebase backend and project documentation | Expo, React Native, TypeScript, Firebase, Python |
| MNM Apparel | Business landing page with modular frontend/backend structure | Next.js, React, TypeScript, FastAPI, Docker |
Interactive project console
| Command | Opens |
|---|---|
demo saas-api |
Cloud Run health check |
docs saas-api |
Swagger/OpenAPI |
walkthrough saas-api |
API walkthrough |
oss career-ops |
PRs authored by syahmiharith |
Production-style multi-tenant SaaS backend with auth, RBAC, API keys, usage quotas, Stripe billing, audit logs, admin APIs, Swagger docs, Docker, Terraform, and GCP staging.
Proof links
- Live health check
- Swagger/OpenAPI docs
- Postman collection
- Architecture docs
- API walkthrough
- Unit, integration, e2e, and staging smoke test instructions
System capabilities
| Area | Implementation signal |
|---|---|
| Authentication | Email/password auth, JWT access tokens, refresh token rotation |
| Tenancy | Organization-scoped billing, usage, API keys, members, audit logs |
| Authorization | Owner/admin/member/viewer RBAC |
| Billing | Stripe checkout, billing portal, webhook idempotency |
| Infrastructure | Docker, GitHub Actions, Terraform, Cloud Run, Cloud SQL, Redis |
| Quality | Unit, integration, e2e, and staging smoke test paths |
- Contributed to santifer/career-ops, an AI-powered job-search system with 39k+ stars.
- Merged PR: Add Codex support to Career-Ops.
- Open PR: feat: add structured machine summaries to evaluations.
Contribution details
| PR | Status | Signal |
|---|---|---|
| Add Codex support to Career-Ops | Merged | Added support for another AI coding workflow in an existing open-source system |
| feat: add structured machine summaries to evaluations | Open | Adds structured machine-readable summaries for evaluation workflows |
Backend: TypeScript, NestJS, Node.js, REST APIs, RBAC, JWT, webhooks
Data: PostgreSQL, Prisma, Redis/BullMQ
Cloud/DevOps: Docker, GitHub Actions, Terraform, GCP Cloud Run, Cloud SQL, Secret Manager
Frontend: React, Next.js, Tailwind CSS
AI tooling: Agent workflows, evaluation pipelines, LLM-assisted automation
- Production-style backend systems with clear APIs, tests, docs, and deployment paths.
- Open-source contributions to AI-assisted engineering workflows.
- Portfolio projects that prioritize maintainability, proof links, and recruiter-readable documentation.


