Tooploox | Senior AI NodeJS Engineer

Tooploox; United States; Remote; USD 120,000 - 170,000; Full time

Benefits offered by this job

Remote-friendly

Job summary

Tooploox is a Solvd Inc. company that builds AI-powered products with a global impact. Our nearly 200 specialists include a 40+ person R&D team with PhDs, and we’ve published at NeurIPS and ICML while delivering practical AI solutions for healthcare, e-commerce, and more.

We offer flexible work arrangements with remote options and offices in Warsaw and Wrocław. You’ll work across backend and frontend, leverage OpenAI/Anthropic APIs, and help shape agentic AI platforms through pragmatic,

Qualifications

• Experience in full-stack development using NodeJS with TypeScript.

Responsibilities

• 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.

Skills

Node.js

TypeScript

AI Engineering

LLM APIs

React

Python basics

REST APIs

Cloud platforms

CI/CD

Langchain

LlamaIndex

MCP

OpenAI API

Anthropic API

English fluency

Tools

OpenAI API

Anthropic API

Langchain

LlamaIndex

Job description

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 l ove 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!