Remote Backend Engineer for AI Infrastructure

Alignerr Corp.; Sydney; Remote; AUD 83,000 - 165,000; Part time

Job summary

Alignerr is seeking Back End Developers in Sydney for designing and optimizing server-side systems and APIs that power AI products. This fully remote, hourly contract role offers 10–40 hours per week, with opportunities to work on data pipelines, model-serving infrastructure, and scalable microservices.

You should be proficient in Python, Go, Java, Node.js, or Rust, with strong RESTful API design, distributed systems, and experience in PostgreSQL, MongoDB, Redis, and cloud platforms.

Qualifications

• Proficient in one or more back end languages.
• Solid understanding of RESTful API design and microservices.
• Experience with relational and/or NoSQL databases.
• Comfortable with cloud platforms (AWS, GCP, Azure).
• Familiar with version control (Git), CI/CD pipelines, and containerization (Docker, Kubernetes).
• Strong problem-solving skills and ability to debug complex systems independently.

Responsibilities

• Design, develop, and maintain back end services, APIs, and data pipelines.
• Build scalable server-side architecture to support AI workloads.
• Write clean, well-documented, testable code following engineering best practices.
• Integrate with databases, queues, cloud services, and third-party APIs.
• Optimize system performance, reliability, and scalability as usage grows.
• Collaborate asynchronously with distributed teams across time zones.
• Troubleshoot production issues, conduct code reviews, and contribute to architecture decisions.
• Work independently on task-based and project-based assignments.

Skills

Python

Go

Java

Node.js

Rust

Tools

PostgreSQL

MongoDB

Redis

Git

Docker

Kubernetes

CI/CD

Job description

Alignerr is seeking Back End Developers in Sydney for designing and optimizing server-side systems and APIs that power AI products. This fully remote, hourly contract role offers 10–40 hours per week, with opportunities to work on data pipelines, model-serving infrastructure, and scalable microservices.

You should be proficient in Python, Go, Java, Node.js, or Rust, with strong RESTful API design, distributed systems, and experience in PostgreSQL, MongoDB, Redis, and cloud platforms.