Position: Backend developer & DevOps
Category: Node.js
English level: intermediate
Years of experience: 2.5


Backend:
- Node.js, Deno
- microservices (Fastify, NestJS, Express)
- authentication, authorization, notification mechanisms
- API & documentation (OpenAPI, Swagger, Postman)
- relational databases (PostgreSQL, SQLite, MS SQL Server), ORMs (Prisma, Drizzle)
- MongoDB
- InfluxDB
- Redis Stack
- WebSockets (Socket.IO), MQTT (MQTTX)
- RabbitMQ, BullMQ
- unit testing (Jest, Vitest)

DevOps:
- Linux, shell scripting, SSH, FTP
- GCP
- load balancing, request rate limiting, HTTP/2 (Nginx)
- SSL, Let's encrypt
- CI/CD (Github actions), code bundling (esbuild)
- containerization (Docker, Podman), Kubernetes (k3s, Helm)
- domains, DNS, email records (SPF, DKIM, DMARC)
- private repositories (Verdaccio, Harbor)
- observability and logs (Grafana)

Frontend:
SolidJS, PWA, Figma

Additional: 
Rust, PHP, Python, Ruby, C++, Java & Kotlin
Architecting backend infrastructure