Full Stack Software Engineer – AI Focused

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

This is a long-term hybrid opportunity, with 1 day per week at a coworking space in Palermo, Buenos Aires.

What You'll Do

• Design, build, and ship production-ready software, with a primary focus on backend development.
• Develop and maintain scalable APIs, backend services, and integrations using technologies such as Node.js, Python, or Java.
• Work with databases, system architecture, and third-party services to build reliable and scalable applications.
• Integrate AI tools, APIs, and LLM-based capabilities into applications and workflows.
• Collaborate closely 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 such as React, Vue, or similar, when needed.
• Participate in technical discussions and contribute to improving engineering practices and code quality.

What We're Looking For

• 5+ years of professional software engineering experience, ideally 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.

Nice to Have

• Experience integrating AI/LLM APIs or building AI-powered features.
• Familiarity with cloud platforms such as AWS, GCP, or similar.
• Experience with distributed systems, microservices, or event-driven architectures.
• Previous experience working in startups or high-growth environments.

About RYZ Labs:

RYZ Labs is a startup studio built in 2021 by two lifelong entrepreneurs. The founders of RYZ have worked at some of the world's largest tech companies and some of the most iconic consumer brands. They have lived and worked in Argentina for many years and have decades of experience in Latam. What brought them together is the passion for the early phases of company creation and the idea of attracting the brightest talents in order to build industry-defining companies in a post-pandemic world.

Our teams are remote and distributed throughout the US and Latam. They use the latest cutting-edge technologies in cloud computing to create applications that are scalable and resilient. We aim to provide diverse product solutions for different industries, planning to build a large number of startups in the upcoming years.

At RYZ, you will find yourself working with autonomy and efficiency, owning every step of your development. We provide an environment of opportunities, learning, growth, expansion and challenging projects. You will deepen your experience while sharing and learning from a team of great professionals and specialists.

Our values and what to expect:

• Customer First Mentality - every decision we make should be made through the lens of the customer
• Bias for Action - urgency is critical, expect that the timeline to get something done is accelerated
• Ownership - step up if you see an opportunity to help, even if not your core responsibility
• Humility and Respect - be willing to learn, be vulnerable, and treat everyone that interacts with RYZ with respect
• Frugality - being frugal and cost-conscious helps us do more with less
• Deliver Impact - get things done in the most efficient way
• Raise our Standards - always be looking to improve our processes, our team, our expectations. Status quo is not good enough and never should be