Remote Senior Backend Engineer — Scalable AI Systems

Scale Up Recruiting Partners; Municipio de Rincón de los Sauces; Remote; ARS 136,254,000 - 227,090,000; Full time

Job summary

Prometeo Talent is partnering with a US-based cybersecurity startup to hire a Senior Backend Engineer. The role focuses on building scalable systems with Java and Python, owning features end-to-end, and collaborating with a highly technical team in a fast-paced startup environment.

The ideal candidate has extensive backend experience, AI/LLM development exposure, and a strong ownership mindset. This is a 100% remote opportunity with LATAM, offering impactful work, modern AI workflows, and

Qualifications

• 8+ years of software or backend experience.
• 5+ years Python production experience.
• Strong Java experience.
• Hands-on AI/LLM development in production.
• Experience with distributed systems and asynchronous processing.
• Experience with databases, queues, and data pipelines.
• Docker and Kubernetes in production environments.
• Ownership mindset; thrives in startup or fast-paced environments.
• Advanced English proficiency.

Responsibilities

• Design, build, and maintain scalable backend services using Java and Python.
• Develop distributed systems involving databases, APIs, messaging queues, and data pipelines.
• Take full ownership of features throughout their lifecycle from design to monitoring.
• Build production-ready systems focused on reliability, performance, and maintainability.
• Collaborate with product and engineering teams to translate business requirements into technical solutions.
• Improve system performance, scalability, and operational efficiency across the platform.
• Leverage AI-assisted development tools to accelerate delivery while maintaining quality.
• Participate in architectural discussions and contribute to key technical decisions as the company scales.
• Continuously improve development processes, tooling, and engineering standards.

Skills

Python

Java

AI/LLM engineering

Distributed systems

Ownership mindset

Autonomy

Advanced English

Tools

Docker

Kubernetes

Kafka

RabbitMQ

Job description

Prometeo Talent is partnering with a US-based cybersecurity startup to hire a Senior Backend Engineer. The role focuses on building scalable systems with Java and Python, owning features end-to-end, and collaborating with a highly technical team in a fast-paced startup environment.

The ideal candidate has extensive backend experience, AI/LLM development exposure, and a strong ownership mindset. This is a 100% remote opportunity with LATAM, offering impactful work, modern AI workflows, and