Hybrid AI-Focused Full-Stack Engineer (Backend)

Ryz Labs; Buenos Aires; Hybrid; ARS 45,437,000 - 90,873,000; Full time

Job summary

RYZ Labs is seeking a senior software engineer for a long-term hybrid role based in Buenos Aires. You will design, build, and ship production-ready software with a primary focus on backend development, and you will develop and maintain scalable APIs and services.

You will integrate AI tools and collaborate with product and engineering teams to deliver high-impact solutions. The ideal candidate has 5+ years of experience in backend or full-stack roles, strong API and database knowledge, and

Qualifications

• 5+ years of professional software engineering experience, preferably in full-stack or backend-focused roles.
• Strong backend development skills with Node.js, Python, Java, or similar technologies.
• Solid understanding of API design, databases, and scalable system architecture.
• Experience building, deploying, and maintaining production applications.
• Familiarity with frontend technologies such as React, Vue, or similar is a plus.
• Strong interest in AI and its practical applications in software development.
• Proactive mindset, strong problem-solving skills, and the ability to thrive in a fast-paced environment.
• Excellent communication skills in English.

Responsibilities

• Design, build, and ship production-ready software with a focus on backend development.
• Develop and maintain scalable APIs, backend services, and integrations.
• Work with databases, system architecture, and third-party services for reliable apps.
• Integrate AI tools, APIs, and LLM-based capabilities into applications.
• Collaborate with product and engineering teams to deliver high-impact solutions.
• Debug, troubleshoot, and optimize applications across production environments.
• Contribute to frontend development using modern frameworks when needed.
• Participate in technical discussions and improve engineering practices.

Skills

Backend development

APIs & databases

Node.js

Python

Java

Frontend awareness

English communication

Tools

Node.js

Python

Java

Job description

RYZ Labs is seeking a senior software engineer for a long-term hybrid role based in Buenos Aires. You will design, build, and ship production-ready software with a primary focus on backend development, and you will develop and maintain scalable APIs and services.

You will integrate AI tools and collaborate with product and engineering teams to deliver high-impact solutions. The ideal candidate has 5+ years of experience in backend or full-stack roles, strong API and database knowledge, and