Remote Back-End Engineer for AI Infrastructure

Alignerr Corp.; Katowice; Remote; PLN 83,000 - 138,000; Part time

Job summary

Alignerr is seeking Back End Developers in Katowice and the broader Upper Silesia region for designing, building, and optimizing server-side systems and APIs powering AI products. This fully remote, flexible contract role welcomes seasoned engineers to work on data pipelines, model-serving infrastructure, and scalable microservices handling real-world traffic.

You will design, develop, and maintain back end services, ensure high-performance architectures for AI workloads, and collaborate with

Qualifications

• Proficient in one or more back end languages (Python, Go, Java, Node.js, Rust).
• Strong understanding of RESTful API design, microservices, and distributed systems.
• Experience with relational and/or NoSQL databases (PostgreSQL, MongoDB, Redis).
• Comfortable with cloud platforms (AWS, GCP, Azure).
• Familiar with version control (Git), CI/CD pipelines, and containers (Docker, Kubernetes).
• Excellent problem-solving and ability to work asynchronously in distributed teams.

Responsibilities

• Design, develop, and maintain robust back end services, APIs, and data pipelines.
• Build scalable, high-performance server-side architecture for AI training and inference workloads.
• Write clean, well-documented, 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 architecture decisions.
• Work independently on task- and project-based assignments on your own schedule.

Skills

Python

Go

Java

Node.js

Rust

RESTful APIs

Microservices

Distributed systems

PostgreSQL

MongoDB

Redis

AWS

GCP

Azure

Git

CI/CD

Docker

Kubernetes

Tools

Docker

Kubernetes

PostgreSQL

MongoDB

Redis

Git

CI/CD pipelines

Job description

Alignerr is seeking Back End Developers in Katowice and the broader Upper Silesia region for designing, building, and optimizing server-side systems and APIs powering AI products. This fully remote, flexible contract role welcomes seasoned engineers to work on data pipelines, model-serving infrastructure, and scalable microservices handling real-world traffic.

You will design, develop, and maintain back end services, ensure high-performance architectures for AI workloads, and collaborate with