N-iX is looking for a Lead AI Engineer to drive the design, evaluation, and evolution of AI-powered solutions. In this role, you will focus on building and scaling intelligent systems (including RAG-based and NLP-driven applications), while guiding clients through technical discovery, architecture decisions, and AI adoption strategies. You will work closely with stakeholders to design and deliver AI-driven solutions that enhance business efficiency, streamline processes, and unlock value from data, while ensuring scalability, quality, and cost-effectiveness.

Responsibilities - Design and implement AI-driven systems within Palantir Foundry AIP, including RAG pipelines, LLM-powered applications, and NLP workflows for document understanding and knowledge extraction.

- Lead the end-to-end lifecycle of AI solutions, from data ingestion and embedding generation to retrieval, reasoning, and response generation.
- Collaborate with AI/ML engineers to productionize models and LLM-based solutions, ensuring reliability, scalability, and performance.
- Drive technical discovery and solution assessment, analyzing possible AI implementations, clarifying their architecture, and identifying risks and improvement opportunities.
- Evaluate and optimize RAG pipelines, including retrieval quality, chunking strategies, embeddings, and hybrid search approaches.
- Assess scalability, multilingual capabilities, and cost-performance trade-offs of AI systems.
- Advise on AI architecture evolution, including platform choices, vendor dependencies, and potential migration paths.
- Establish best practices for LLMOps / MLOps, including evaluation frameworks, prompt engineering, monitoring, and iterative improvement.
- Ensure responsible AI practices, including data governance, security, and compliance considerations.




- Mentor engineers and foster collaboration across AI, data, and product teams.

Requirements - Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

- 6+ years of experience in software engineering, with strong exposure to AI/ML systems.
- Hands‑on experience with LLM-based applications, RAG pipelines, or NLP systems.
- Experience building multimodal AI systems, including working with text, documents, images, and/or other data types.
- Experience developing AI solutions for multiple languages, including handling multilingual data, prompts, and evaluation.
- Strong proficiency in Python and experience with AI/ML frameworks and tooling.
- Experience designing and deploying scalable AI systems in production environments.
- Understanding of vector databases, embeddings, retrieval strategies, and hybrid search.
- Experience with MLOps / LLMOps practices, including model lifecycle management, evaluation, and monitoring.
- Ability to perform technical discovery and communicate complex AI concepts to both technical and non-technical stakeholders.
- Strong leadership, communication, and stakeholder management skills.
- English Upper-Intermediate or higher.
- Availability to work in UK time zone (GMT+1). Nice to have - Experience with Palantir Foundry.
- Familiarity with distributed systems or large-scale data processing (e.g., Spark).

We offer - Flexible working format – remote, office-based or adaptable.

- A competitive salary and good compensation package.
- Personalized career growth.
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more).
- Active tech communities with regular knowledge sharing.
- Education reimbursement.
- Memorable anniversary presents.
- Corporate events and team buildings.
- Other location-specific benefits.
- Not applicable for freelancers.

📌 Lead AI/ML Engineer (Argentina)
🏢 N-iX
📍 Argentina