Remote AI Infrastructure Backend — Flexible Contract

Alignerr; Sydney; On-site; AUD 96,000 - 165,000; Full time

Job summary

Alignerr seeks Back End Developers in Sydney to design, build, and optimize the server-side systems and APIs for AI products. This fully remote, flexible contract role involves data pipelines, model-serving infra, and scalable microservices handling real-world traffic.

You will collaborate with researchers and product leads, write robust code, and contribute to architecture decisions while working asynchronously across time zones.

Qualifications

• Proficiency in backend languages such as Python, Go, Java, Node.js or Rust.
• Strong understanding of RESTful APIs, microservices and distributed systems.
• Experience with relational and NoSQL databases (PostgreSQL, MongoDB, Redis).
• Comfort with cloud platforms (AWS, GCP, Azure).
• Familiar with Git, CI/CD pipelines and containerization (Docker, Kubernetes).

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, 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 APIs

Microservices

Distributed systems

PostgreSQL

MongoDB

Redis

AWS

GCP

Azure

Git

CI/CD

Docker

Kubernetes

Tools

Docker

Kubernetes

PostgreSQL

MongoDB

Redis

AWS

GCP

Azure

Job description

Alignerr seeks Back End Developers in Sydney to design, build, and optimize the server-side systems and APIs for AI products. This fully remote, flexible contract role involves data pipelines, model-serving infra, and scalable microservices handling real-world traffic.

You will collaborate with researchers and product leads, write robust code, and contribute to architecture decisions while working asynchronously across time zones.