Junior-Middle Backend Developer (Node.js, LLM/RAG, MCP, AI agents)
We are looking for a Junior-Middle Backend Developer to join a fast-growing start-up developing a product for automated lead generation and recruitment outreach.
Responsibilities:
- Day-to-day product implementation.
- Develop integrations with AI (e.g., Perplexity, OpenAI) & 3rd party API (e.g., CRMs).
- Leverage your prompt engineering skills to maximize the outcome.
- Customer discovery. That includes: internal product conversations, as well as joining some customer calls (Maybe not from day one, but definitely later on).
Requirements:
- At least 1 year of experience working in a product company/startup.
- 1-3 years of software development experience.
- Experience with Node.js, TypeScript, JSON, REST API, Git.
- Experience in LLM/RAG, MCP, and AI agent development and prompt engineering.
- Database design and optimization (SQL).
- Development in cloud infrastructure (AWS/GCP/Azure).
- Patterns for asynchronous task processing (RabbitMQ, SQS, or similar).
- Experience with n8n/make will be a great plus.
- Excellent verbal communication skills.
- Excellent English, minimum B2 level.
- Absolutely customer-centric and flexible in a dynamic environment (i.e., fully tolerant of shifting priorities daily).
Job details:
- Full-time.
- Fully remote.
- Long-term.
- B2B contract.
- Start date — ideally ASAP, but negotiable.
What else will you get:
- Learning how a startup grows.
- Direct impact on product and company strategy.
- Deliver value directly to paying B2B clients.
- You will work with the most modern toolset (including Cursor in Agent mode).
The hiring process:
- 30-45 min pre-screen interview with a recruitment manager.
- 30 min call with the client.
- A technical deep-dive interview, most likely with online coding (conducted by the client).