Remote Backend Engineer — AI Infrastructure

Alignerr Corp.; Santiago de Querétaro; Remote; MXN 276,000 - 827,000; Part time

Job summary

Alignerr is seeking Back End Developers in Querétaro for a fully remote, hourly contract role to design, build, and optimize the server-side systems and APIs that power cutting-edge AI products—from data pipelines to scalable microservices that handle real-world traffic at scale.

This is a remote, flexible contract where you can contribute to AI-adjacent infrastructure, work asynchronously with distributed teams, and apply your skills across cloud services and modern databases.

Qualifications

• Proficient in one or more back end languages such as Python, Go, Java, Node.js, or Rust.
• Strong understanding of RESTful APIs, microservices architecture, and distributed systems.
• Experience with relational and/or NoSQL databases (PostgreSQL, MongoDB, Redis, etc.).

Responsibilities

• Design, develop, and maintain robust back end services, APIs, and data pipelines.
• Build scalable, high-performance server-side architecture to support AI training and inference workloads.
• Write clean, well-documented, and testable code following engineering best practices.
• Integrate with databases, message queues, cloud services, and third-party APIs.
• Optimize system performance, reliability, and scalability as usage grows.
• Collaborate asynchronously with distributed teams of engineers, researchers, and product leads.
• Troubleshoot production issues, conduct code reviews, and contribute to architectural decisions.
• Work independently on task-based and project-based assignments on your own schedule.

Skills

Python

Go

Java

Node.js

Rust

RESTful API design

Microservices

Distributed systems

Docker

Kubernetes

Tools

AWS

GCP

Azure

Job description

Alignerr is seeking Back End Developers in Querétaro for a fully remote, hourly contract role to design, build, and optimize the server-side systems and APIs that power cutting-edge AI products—from data pipelines to scalable microservices that handle real-world traffic at scale.

This is a remote, flexible contract where you can contribute to AI-adjacent infrastructure, work asynchronously with distributed teams, and apply your skills across cloud services and modern databases.