Remote Backend Engineer — AI Infrastructure

Alignerr Corp.; Madrid; Teletrabalho; EUR 55 000 - 110 000; Tempo parcial

Resumo da oferta

Alignerr Corp. is seeking Back End Developers in Madrid to design, build, and optimize the server-side systems and APIs that power AI products — from data pipelines and model-serving infrastructure to scalable microservices that handle real-world traffic at scale.

This is a fully remote, flexible contract role. Whether you're a seasoned engineer looking for meaningful project work or a strong developer ready to apply your skills to AI-adjacent infrastructure, this is your chance to build things

Qualificações

• Proficient in one or more back end languages — Python, Go, Java, Node.js, Rust, or similar.
• Solid understanding of RESTful API design, microservices architecture, and distributed systems.
• Experienced with relational and/or NoSQL databases (PostgreSQL, MongoDB, Redis, etc.)
• Comfortable working with cloud platforms such as AWS, GCP, or Azure
• Familiar with version control (Git), CI/CD pipelines, and containerization (Docker, Kubernetes)
• Strong problem‑solving skills and the ability to debug complex systems independently
• Self‑motivated, reliable, and effective when working asynchronously without close supervision
• Clear communicator who can document decisions and collaborate across time zones

Responsabilidades

• 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 decisionsWork independently on task‑based and project‑based assignments on your own schedule

Conhecimentos

Python

Go

Java

Node.js

Rust

RESTful APIs

Microservices

Distributed systems

PostgreSQL

MongoDB

Redis

AWS

GCP

Azure

Git

CI/CD

Docker

Kubernetes

Kafka

Ferramentas

Docker

Kubernetes

Git

CI/CD

AWS

GCP

Azure

PostgreSQL

MongoDB

Descrição da oferta de emprego

Alignerr Corp. is seeking Back End Developers in Madrid to design, build, and optimize the server-side systems and APIs that power AI products — from data pipelines and model-serving infrastructure to scalable microservices that handle real-world traffic at scale.

This is a fully remote, flexible contract role. Whether you're a seasoned engineer looking for meaningful project work or a strong developer ready to apply your skills to AI-adjacent infrastructure, this is your chance to build things