Node.Js Developer - Remote

YO IT Consulting; Warszawa; On-site; PLN 80,000 - 120,000; Full time

Job summary

YO IT Consulting is seeking a Node.js Developer for a remote contract position. You will work on backend systems, implement features in Node.js, JavaScript and TypeScript, and contribute to scalable, maintainable code in a distributed environment.

You will review code, collaborate with cross-functional teams, and document insights and trade-offs clearly. Prior experience with large-scale apps and strong communication skills are highly valued for this remote role.

Qualifications

• Extensive hands-on experience with Node.js, JavaScript, and TypeScript.
• Strong debugging abilities in distributed systems.
• Attention to detail in code review and documentation.
• Excellent written and verbal communication skills.
• Deep understanding of backend architectures and patterns.
• Ability to analyze trade-offs and communicate solutions clearly.

Responsibilities

• Leverage Node.js, JavaScript, and TypeScript to provide expert-level input for AI model training.
• Analyze and review code samples for accuracy and efficiency.
• Collaborate with multidisciplinary teams to identify backend patterns and problem-solving strategies.
• Evaluate Node.js scenarios to help models learn robust, scalable, and maintainable solutions.
• Document insights and edge cases clearly in written form.
• Contribute to model training by communicating complex concepts to stakeholders.
• Uphold high standards of written and verbal communication with internal and external partners.

Skills

Node.js

JavaScript

TypeScript

Debugging

Backend architectures

Code review

Documentation

Cross-functional collaboration

Job description

Overview

Job Title: Node.Js Developer
Job Type: Contract
Location: Remote

Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Responsibilities

• Leverage your deep knowledge of Node.js, JavaScript, and TypeScript to provide expert-level input and feedback for AI system development.
• Analyze and review code samples to ensure accuracy, efficiency, and adherence to best practices.
• Collaborate with multidisciplinary teams to identify key development patterns and problem-solving strategies in backend engineering.
• Evaluate real-world Node.js scenarios to help models learn robust, scalable, and maintainable solutions.
• Document insights, edge cases, and nuanced technical considerations in clear, effective written form.
• Contribute to model training by communicating complex concepts in a way that's accessible for both technical and non-technical stakeholders.
• Uphold high standards of written and verbal communication with both internal and external partners.

Required Skills And Qualifications

• Extensive hands-on experience with Node.js, JavaScript, and TypeScript in professional environments.
• Expert problem-solving and debugging abilities within distributed application systems.
• Strong attention to detail in both code review and written documentation.
• Excellent written and verbal communication skills, with an emphasis on clarity and thoroughness.
• Deep understanding of backend application architectures and common development patterns.
• Demonstrated ability to analyze and articulate technical trade-offs and solutions.
• Proactive, collaborative approach to cross-functional teamwork.

Preferred Qualifications

• Prior experience contributing to AI-related projects or model training initiatives.
• Background in designing or maintaining large-scale, high-availability Node.js applications.
• Experience with remote collaboration and asynchronous communication tools.