Tooploox
Senior AI NodeJS Engineer
RemotePoland only
- Role
- Fullstack
- Experience
- Senior
- Employment
- Full-time
- Company size
- Mid-size
PLN 16k–PLN 28k/mo
Check eligibility
Open to PL only. Set where you work from to check your eligibility.
No BS summary
Senior full-stack/AI engineer focused on NodeJS with TypeScript. Needs at least 1 year in AI engineering, hands-on LLM APIs/SDKs, RAG, multi-agent concepts, LLM orchestration, cloud services, CI/CD, REST APIs, databases, and fluent English. Poland-based remote role.
Core skills
Node.jsRAGLLM APIs
Required skills
TypeScriptRetrieval-Augmented GenerationMulti-Agent systemsMCP ServersLLM SDKsOpenAIAnthropicLangchain/LlamaIndexPrompt designAWS/Azure/GCPCI/CDREST APIDatabase integration
Optional skills
Machine learningPythonReactModel fine-tuningModel distillationLLM evaluationModel Context ProtocolMCP
Required languages
English Fluent / fluency required for candidate; required=true by source wording.
Hi there!👋🏻
We’re Tooploox 💎, a Solvd Inc. company
We create AI-powered products and services that make a real difference. Our team of nearly 200 specialists - including a 40+ person R&D team with many PhDs - has pioneered AI solutions across industries from healthcare to e-commerce. We’ve published research in top-tier venues like NeurIPS and ICML, while delivering real-world applications that help our clients innovate and scale.
What you will do:
- Collaborate with cross-functional teams to design and build AI Agentic solutions.
- Contribute to defining technical requirements and implementing features across the software lifecycle - from proof of concept through implementation to evaluation and production.
- Take ownership of assigned tasks and deliver high-quality, maintainable code.
- Manage backend tasks while contributing to frontend development.
- Stay informed about trends and advancements in AI and related fields, continuously learning and integrating new knowledge.
- Employ a pragmatic, evaluation-driven approach to adopting innovative AI solutions.
Experience and skills you need to join us:
- Experience in full-stack development using mainly NodeJS (with TypeScript).
- At least 1 year of experience in AI Engineering role.
- Versatile in technology use, comfortable working across backend and frontend tasks.
- Track record in staying current with AI and Agentic technologies, including best practices and architecture.
- Openness to client collaboration, fostering clear communication and effective partnership.
- Strong commitment to learning new technologies and swiftly adapting to new products and APIs.
- Understanding of Retrieval-Augmented Generation (RAG) and its applications.
- Familiarity with Multi-Agents concept, tools usage and MCP Servers.
- Hands-on experience with LLM APIs/SDKs (e.g., OpenAI, Anthropic).
- Knowledge of LLM orchestration and frameworks like Langchain or LlamaIndex, with practical implementation experience.
- Understanding of prompt design principles and an ability to create effective prompts.
- Experience configuring services on cloud platforms (e.g. AWS, Azure, GCP).
- Basic experience with CI/CD pipelines and DevOps best practices.
- Competence in REST API usage and efficient database integration.
- Fluency in English language.
It would be great if you also have:
- Basic knowledge of machine learning principles.
- Understanding Python source code.
- Experience with React.
- Experience with model fine-tuning and distillation.
- Familiarity with LLM evaluation.
- Experience with Model Context Protocol (MCP).
- Experience with graph databases.
- Familiarity with other programming languages and frameworks.
- Familiarity with Voice Agents concepts and related frameworks e.g. Pipecat
How we work:
At Tooploox 💎, you have the flexibility to choose your working hours ⏰ and location 📍. While we value remote work, we also believe in building relationships 🤝and invite you to join us in our Warsaw and Wrocław offices 🏢. Enjoy a relaxed atmosphere 🍃 and try some “home-made” pizza 🍕 from our office pizza oven. We love having pets 🐶 in the office, so feel free to bring yours along.😁
Join us and shape the future of AI while working the way you like!
What you'll do
- Collaborate with cross-functional teams to design and build AI Agentic solutions.
- Contribute to defining technical requirements and implementing features across the software lifecycle, from proof of concept through implementation to evaluation and production.
- Take ownership of assigned tasks and deliver high-quality, maintainable code.
- Manage backend tasks while contributing to frontend development.
- Stay informed about trends and advancements in AI and related fields, continuously learning and integrating new knowledge.
- Employ a pragmatic, evaluation-driven approach to adopting innovative AI solutions.
What they require
- Experience in full-stack development using mainly NodeJS with TypeScript.
- At least 1 year of experience in an AI Engineering role.
- Comfortable working across backend and frontend tasks.
- Track record in staying current with AI and Agentic technologies, including best practices and architecture.
- Openness to client collaboration, fostering clear communication and effective partnership.
- Strong commitment to learning new technologies and swiftly adapting to new products and APIs.
- Understanding of Retrieval-Augmented Generation (RAG) and its applications.
- Familiarity with Multi-Agents concept, tools usage and MCP Servers.
- Hands-on experience with LLM APIs/SDKs, e.g. OpenAI and Anthropic.
- Knowledge of LLM orchestration and frameworks like Langchain or LlamaIndex, with practical implementation experience.
- Understanding of prompt design principles and an ability to create effective prompts.
- Experience configuring services on cloud platforms, e.g. AWS, Azure, GCP.
- Basic experience with CI/CD pipelines and DevOps best practices.
- Competence in REST API usage and efficient database integration.
- Fluency in English language.
- Preferred: Basic knowledge of machine learning principles.
- Preferred: Understanding Python source code.
- Preferred: Experience with React.
- Preferred: Experience with model fine-tuning and distillation.
- Preferred: Familiarity with LLM evaluation.
- Preferred: Experience with Model Context Protocol (MCP).
- Preferred: Experience with graph databases.
- Preferred: Familiarity with other programming languages and frameworks.
- Preferred: Familiarity with Voice Agents concepts and related frameworks, e.g. Pipecat.
Benefits
- Flexibility to choose working hours.
- Flexibility to choose location.
- Remote work.
- Optional Warsaw and Wrocław offices.
- Relaxed atmosphere.
- Home-made pizza from the office pizza oven.
- Pet-friendly office.
Tooploox is a Solvd Inc. company creating AI-powered products and services across industries from healthcare to e-commerce, with a nearly 200-person team and a 40+ person R&D team.
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PLN 16k–PLN 28k/mo