Senior AI Backend Engineer (Remote)

Fullstack; Buenos Aires; Remote; ARS 138,361,000 - 215,229,000; Full time

Benefits offered by this job

Remote work flexibility

Pay in USD

Paid time off

International certifications covered

Coworking access worldwide

English skills development

Team events

Job summary

Pearster is hiring an AI Engineer for a fully remote position. You will design, build, and deploy AI-powered solutions using Generative AI, LLMs, and automation to solve real business challenges.

You will work with OpenAI, Anthropic, Google Gemini and cloud platforms to iterate from prototypes to production-ready systems, while ensuring security and scalable performance across global teams.

Qualifications

• Proficient in Python.
• Experience in Software Engineering and AI.
• Hands-on with Generative AI and LLMs.
• API integration and backend services.
• Familiarity with RAG, embeddings, vector databases.
• Experience with LangChain, LlamaIndex, Hugging Face.
• Experience with OpenAI, Anthropic, Google Gemini.
• Cloud exposure (AWS, Azure, Google Cloud).
• Git, CI/CD, modern software practices.
• Strong analytical and problem‑solving skills.
• Ability to work independently in a fully remote environment.
• Strong communication and collaboration skills.
• Intermediate to advanced English.

Responsibilities

• Build AI-powered solutions using Generative AI and LLMs.
• Design, develop, and deploy AI-enabled applications and services.
• Develop AI agents, APIs, and automation workflows.
• Utilize RAG, embeddings, and vector databases for retrieval.
• Integrate AI models from OpenAI, Anthropic, Google, AWS or similar.
• Create prototypes and POCs, scale to production solutions.
• Evaluate AI solutions for accuracy, reliability, cost, and performance.
• Collaborate with engineering, product, and business teams.
• Embed AI capabilities into existing platforms and workflows.
• Promote responsible AI practices, including security and privacy.

Skills

Python

AI/ML engineering

API integration

Cloud platforms

English communication

Problem solving

Education

Bachelor's degree in Computer Science or related field

Tools

LangChain

LlamaIndex

Hugging Face

OpenAI API

Git & CI/CD

AWS/Azure/Google Cloud

Job description

Pearster is hiring an AI Engineer for a fully remote position. You will design, build, and deploy AI-powered solutions using Generative AI, LLMs, and automation to solve real business challenges.

You will work with OpenAI, Anthropic, Google Gemini and cloud platforms to iterate from prototypes to production-ready systems, while ensuring security and scalable performance across global teams.