Senior Ai Backend Engineer

Pyyne Digital; Partido de Quilmes; A distancia; ARS 136.732.000 - 227.887.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Laptop provided

Generous PTO

Remote LATAM

Descripción de la vacante

Pyyne Digital is seeking a Senior Backend Engineer to build scalable backend services using Java and Python. You will own features end-to-end, develop distributed systems, and collaborate with a highly technical team to scale the platform.

Strong AI/LLM experience and ownership mindset are essential for this role. The position is fully remote with LATAM flexibility, offering modern tooling, a strong engineering culture, and opportunities to impact product evolution in a high-growth cybersecurity

Formación

• 8+ years of software/backend development experience.
• 5+ years of professional Python backend experience.
• Strong Java experience.
• Hands-on AI/LLM based app development in production.
• Experience with distributed systems and scalable architectures.
• Experience with databases, message queues, and data pipelines.
• Docker and Kubernetes in production environments.
• Proven track record of delivering features post-launch.
• High ownership mindset and ability to thrive in fast-paced startups.

Responsabilidades

• Design, build, and maintain scalable backend services in Java and Python.
• Develop distributed systems with databases, queues, and data pipelines.
• Own features end-to-end from design to monitoring and optimization.
• Build production-ready, reliable and high-performance systems.
• Collaborate with product and engineering to translate requirements.
• Improve system performance, scalability, and operational efficiency.
• Leverage AI-assisted development tools to accelerate delivery with quality.
• Participate in architectural discussions and key technical decisions.
• Continuously improve development processes, tooling, and standards.

Conocimientos

Python

Java

AI/LLM

Distributed systems

Async processing

Ownership

English

Herramientas

Docker

Kubernetes

Kafka

RabbitMQ

Descripción del empleo

We're currently partnering with a fast-growing US-based cybersecurity startup. The company is building innovative security solutions that help organizations strengthen their cybersecurity posture through intelligent, scalable, and modern technology. As an early-stage startup, you'll have the opportunity to work on complex technical challenges, contribute to product evolution, and make a direct impact on the growth and success of the platform.

Opportunity

We are looking for a Senior Backend Engineer who thrives in startup environments and enjoys building scalable systems from the ground up.

This role is ideal for engineers who combine deep backend expertise with a strong ownership mindset. You will play a key role in designing, building, and maintaining distributed systems while collaborating with a highly technical and fast-moving team.

The ideal candidate has extensive experience with Java and Python, enjoys solving complex engineering problems, and embraces AI‑assisted development workflows to increase productivity without compromising quality.

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.

Requirements

• 8+ years of experience in software engineering or backend development.
• 5+ years professional experience 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.

Nice to have

• Experience working in product‑focused companies, owning products beyond the initial development phase.
• Experience in cybersecurity products or security‑focused platforms.
• Experience with Kafka, RabbitMQ, or similar messaging systems.
• Experience building large‑scale distributed data processing systems.
• Background in high‑growth startups or scale‑ups.
• Previous experience in large technology companies.

What’s in it for You

• 100% remote work with flexibility to work from LATAM.
• Join an early‑stage cybersecurity startup where your work will directly impact the product and company growth.
• Be part of an engineering culture that embraces modern AI‑assisted development workflows.
• Company‑provided laptop and equipment.
• Generous PTO and regional holidays.
• High ownership, autonomy, and direct influence on technical decisions.