Remote Senior Backend Engineer: Java, Python & AI Pipelines

Blend; La Pampa; Remote; ARS 91,155,000 - 151,925,000; Full time

Job summary

Blend is seeking a Senior Backend Engineer to design, build, and maintain scalable systems in a fast-moving startup. You will own features end-to-end, work with Java and Python, and shape our distributed architecture with AI-driven development workflows.

Join a highly technical team delivering production-grade backend services, APIs, databases, queues, and data pipelines. This role offers 100% remote work from LATAM and direct impact on product growth.

Qualifications

• 8+ years of software/backend development experience.
• 5+ years with Python, building production-grade backends.
• Strong experience with Java.
• Hands-on AI/LLM-based development and AI agents.
• Experience with distributed systems and asynchronous processing.
• Docker and Kubernetes in production environments.
• Ownership mindset for startup/fast-paced environments.
• Advanced English proficiency.

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 from design to monitoring and optimization.
• Build production-ready systems with reliability, performance, and maintainability.
• Collaborate with product and engineering teams to translate requirements into technical solutions.
• Improve performance, scalability, and operational efficiency across the platform.
• Leverage AI-assisted development tools to accelerate delivery while preserving code quality.
• Participate in architectural discussions and contribute to key technical decisions.
• Continuously improve development processes, tooling, and engineering standards.

Skills

Java

Python

AI/LLM development

Distributed systems

Ownership mindset

Startup environment

Advanced English

Tools

Docker

Kubernetes

Databases

Message queues

Kafka

RabbitMQ

Job description

Blend is seeking a Senior Backend Engineer to design, build, and maintain scalable systems in a fast-moving startup. You will own features end-to-end, work with Java and Python, and shape our distributed architecture with AI-driven development workflows.

Join a highly technical team delivering production-grade backend services, APIs, databases, queues, and data pipelines. This role offers 100% remote work from LATAM and direct impact on product growth.