AI/ML Developer Node.js | Especialista

This position is posted by Jobgether on behalf of a partner company. We are currently looking for an AI/ML Developer Node.js | Especialista (Remote) in Brazil.

This role is focused on building and evolving cutting-edge AI-driven solutions within a highly innovative, cloud-native environment. You will contribute directly to the development of intelligent agents and AI systems powered by modern LLMs and machine learning technologies. Working in a collaborative and agile setup, you will help translate complex business needs into scalable technical solutions. The position involves hands-on coding in Node.js, integration with cloud services, and continuous experimentation with AI models and prompt engineering techniques. You will also play a key role in ensuring data quality, system reliability, and solution performance. This is an opportunity to work at the forefront of AI development, shaping real-world applications with tangible impact.

Accountabilities:* Contribute to the design and development of artificial intelligence solutions, implementing core business logic in Node.js and ensuring scalable, high-performance architectures.

• Develop and maintain AI agents, applying prompt engineering techniques when needed to optimize model behavior and outputs.

• Evaluate and ensure the quality, consistency, and usability of annotated datasets used in AI/ML workflows.

• Configure and manage cloud-based services (including GCP environments) to support deployment, execution, and scalability of AI systems.

• Perform unit testing and contribute to software quality assurance practices across AI components and backend services.

• Suggest improvements to models, datasets, and system design based on user needs and product requirements.

• Stay up to date with the latest advancements in AI, LLMs, NLP, and related technologies to continuously improve solutions.

Requirements:

• Strong experience in AI/ML solutions and applied artificial intelligence development.

• Solid hands-on experience with Node.js in production environments.

• Deep knowledge of NLP, NLU, LLMs, and foundation models (FMs).

• Experience working with cloud computing platforms, preferably Google Cloud Platform (GCP).

• Familiarity with Agile methodologies and collaborative development environments.

• Strong understanding of Git and modern version control practices.

• Knowledge of SDD (Specification-Driven Development) and structured software design approaches.

• Analytical mindset with ability to work with data quality, model evaluation, and iterative improvement.

• Strong problem-solving skills and adaptability in fast-evolving AI contexts.

Benefits:

• Remote-first work model with flexibility to work from anywhere in Brazil.

• Opportunity to work on advanced AI and generative AI projects at scale.

• Exposure to cutting-edge technologies, including LLMs, AI agents, and cloud-native architectures.

• Collaborative and innovation-driven environment focused on continuous learning.

• Professional growth opportunities in a rapidly expanding AI ecosystem.

• Agile and dynamic culture encouraging experimentation and technical ownership.

**How Jobgether works:**We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1