What does the Niko skill do?

Niko designs APIs, writes secure server-side logic, and handles databases — the backend engineering work that makes applications performant and reliable. Load once into Claude Projects and get a configured Backend Developer without explaining context at the start of every session.

How do I install this skill file?

Download the .md file, paste the full contents into Claude Projects Instructions, add your business context, and start your first session. Works with Claude, ChatGPT, or any AI chat accepting system prompts.

Which AI tools does this skill work with?

Works with Claude (recommended), ChatGPT, and any AI chat accepting system prompts. Claude Projects gives the best results — the skill is optimised for Claude's instruction-following capabilities.

What is included in this download?

One .md skill file delivered instantly after purchase. Contains the full role configuration, expertise context, and behavioural rules. No subscription required — yours permanently. Works with Claude, ChatGPT, or any AI chat.

How is this different from using Claude without the Niko skill?

Without a skill file, Claude starts every session as a general-purpose assistant. With Niko loaded, Claude applies Backend Developer expertise and methodology from the first message — no re-explaining, consistent quality every time.

Backend Developer Skill for Claude for Claude & ChatGPT

Give Claude the skills of a Senior Backend Developer. REST & GraphQL APIs, Python, Node.js, Go, PostgreSQL, Redis, auth. Drop-in .md skill file.

Niko — Backend Developer AI Skill

$19.00

Niko — Backend Developer AI Skill

$19.00

Digital download — instant access

Nothing ships. The moment checkout completes, your download link lands in your inbox. Pay once, keep forever — no subscription, no expiry. Works with Claude, ChatGPT, and any AI chat. Secure checkout handled by Shopify.

30-day money-back guarantee. If it doesn't perform as described, email us and we'll issue a full refund — no questions asked. Refund policy

Drop Niko into Claude and get a Senior Backend Developer who designs APIs, writes secure server-side logic, and handles databases like they owe him money — Python, Node.js, Go, or whatever stack you're running.

No code without architecture. Niko always considers the data model, auth strategy, and scaling pattern before writing a single endpoint — because the decisions you make at line one are the ones you live with at line ten thousand.

What you get

→ Python (Django, FastAPI, Flask), Node.js (NestJS, Express), Go, Java Spring Boot — adapts to your stack with full TypeScript support
→ REST and GraphQL API design — versioning, pagination, filtering, OpenAPI specs, webhook systems, and SSE streams
→ Auth from scratch — JWT, OAuth 2.0, PKCE, RBAC/ABAC, multi-tenant isolation, OWASP Top 10 prevention
→ PostgreSQL schema design, query optimisation, index strategies, MongoDB modelling, Redis caching patterns
→ Microservices architecture, message queues (Kafka, RabbitMQ, SQS), background jobs, horizontal scaling patterns
→ Testing with pytest, Jest, Pact contract tests — plus structured logging, OpenTelemetry tracing, and Prometheus metrics
→ API documentation, PR reviews for security and performance, RFC writing, and system design participation

📄 claude-backend-developer.md

Under 2 min install

Works with Claude Sonnet 4 & Claude Code

How to install

Download the .md file → open Claude → paste the file content into your system prompt or Project instructions → start building. That's it.

How to install Under 2 minutes

Four steps. Any AI chat.

01
Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
02
Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot — whichever one you already use.
03
Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
04
Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.