Tooploox | Senior AI NodeJS Engineer

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!