Remote Backend Engineer - AI Infrastructure

Alignerr Corp.; Łódź; Remote; PLN 216,000 - 433,000; Part time

Benefits offered by this job

Fully remote

Job summary

Alignerr is seeking a Back End Developer to design, build, and optimize server-side systems and APIs powering AI products. This fully remote hourly contract role supports data pipelines, model-serving infrastructure, and scalable microservices that handle real-world traffic at scale.

You will work with Python/Go/Java/Node.js/Rust, RESTful APIs, and distributed systems across cloud platforms. Collaborate with global teams, manage tasks asynchronously, and contribute to robust, secure software at

Qualifications

• Proficient in one or more back end languages and frameworks.
• Strong understanding of RESTful APIs, microservices, and distributed systems.
• Experience with relational and NoSQL databases.
• Familiar with cloud platforms such as AWS, GCP, or Azure.
• Git, CI/CD pipelines, and containerization with Docker/Kubernetes.

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

RESTful API design

Microservices

Distributed systems

Python

Go

Java

Node.js

Rust

Cloud platforms (AWS/GCP/Azure)

Tools

Docker

Kubernetes

Git

CI/CD

PostgreSQL

MongoDB

Redis

Job description

Alignerr is seeking a Back End Developer to design, build, and optimize server-side systems and APIs powering AI products. This fully remote hourly contract role supports data pipelines, model-serving infrastructure, and scalable microservices that handle real-world traffic at scale.

You will work with Python/Go/Java/Node.js/Rust, RESTful APIs, and distributed systems across cloud platforms. Collaborate with global teams, manage tasks asynchronously, and contribute to robust, secure software at