Senior AI Backend Engineer - Remote, High-Impact Startup

Pyyne Digital; Quilmes; Remote; ARS 181,747,000 - 242,329,000; Full time

Benefits offered by this job

Remote work from LATAM

Equipment provided

Generous PTO

Ownership culture

Job summary

Prometeo Talent, a leading tech recruitment partner, supports a US-based cybersecurity startup seeking a Senior Backend Engineer. The role focuses on Java and Python and building scalable systems. You will own features end-to-end, design distributed architectures, and apply AI-assisted development to boost productivity while preserving quality.

This is 100% remote with LATAM-friendly time zones. Join a fast-moving team that values ownership and thoughtful engineering decisions shaping the

Qualifications

• 8+ years of experience in software engineering or backend development.
• 5+ years with Python, building and maintaining production-grade backend systems.
• Strong experience with Java.
• Hands-on experience with AI/LLM-based application development (AI agents, agentic systems, or LLM-powered applications).
• Experience building AI-driven features, LLM integrations, or agentic workflows in production environments is highly preferred.
• Solid understanding of distributed systems, scalable architectures, and asynchronous processing.
• Experience working with databases, message queues, and data processing pipelines.
• Hands-on experience with Docker and Kubernetes in production environments.
• Proven experience building, maintaining, optimizing, and improving products after launch.
• Strong ownership mindset, autonomy, and ability to thrive in startup or fast-paced environments.
• Advanced English level.

Responsibilities

• Design, build, and maintain scalable backend services using Java and Python.
• Develop distributed systems involving databases, APIs, message queues, and data processing pipelines.
• Take full ownership of features and services throughout their lifecycle, from design and implementation to monitoring and optimization.
• Build production-ready systems with a strong focus on reliability, performance, and maintainability.
• Collaborate closely 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 ensuring code quality and engineering best practices.
• 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 development

Distributed systems

Asynchronous processing

Database and queues

Ownership mindset

Advanced English

Tools

Docker

Kubernetes

Job description

Prometeo Talent, a leading tech recruitment partner, supports a US-based cybersecurity startup seeking a Senior Backend Engineer. The role focuses on Java and Python and building scalable systems. You will own features end-to-end, design distributed architectures, and apply AI-assisted development to boost productivity while preserving quality.

This is 100% remote with LATAM-friendly time zones. Join a fast-moving team that values ownership and thoughtful engineering decisions shaping the