Toolkit
Backend-first stack — all in active use.
Backend & APIs
8- Node.js
- TypeScript
- Go
- Express.js
- NestJS
- REST APIs
- GraphQL
- Microservices
Databases & modeling
5- MongoDB
- PostgreSQL
- MySQL
- SQL
- Database design
Architecture
4- System design
- API architecture
- Auth & RBAC
- Event-driven patterns
Performance & reliability
4- Redis
- Caching
- Rate limiting
- Queues & workers
DevOps & cloud
12Containers, proxies, cloud deploys, and CI/CD.
- Docker
- Docker Compose
- Nginx
- AWS · EC2 · S3
- AWS IAM & VPC
- DigitalOcean
- Hostinger
- CI/CD
- GitHub Actions
- Linux
- CloudWatch
- Serverless · Lambda
AI & payments
4RAG, AI integrations, and idempotent payment webhooks.
- RAG
- AI tooling
- Stripe
- SSLCommerz · M-Pesa
Frontend (when needed)
8- React
- Next.js
- TypeScript
- Tailwind CSS
- TanStack Query
- Redux Toolkit
- Zustand
- Vite