Remote Backend Architect for AI Infrastructure

Alignerr Corp.; Greater London; Remote; GBP 55,000 - 96,000; Full time

Benefits offered by this job

Fully remote work

Flexible hours

Contract-based freelance role

Job summary

Alignerr is seeking back end developers in London for a remote hourly contract to design, build, and optimize server-side systems and APIs powering AI products. You will work on data pipelines, model-serving infra, and scalable microservices handling real-world traffic at scale.

Responsibilities include designing robust back end services, implementing performant architectures, and integrating with databases, queues, and cloud services.

Qualifications

• 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.

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.

Skills

Python

Go

Java

Node.js

Rust

RESTful APIs

Distributed systems

Tools

PostgreSQL

MongoDB

Redis

Docker

Kubernetes

AWS

GCP

Azure

Job description

Alignerr is seeking back end developers in London for a remote hourly contract to design, build, and optimize server-side systems and APIs powering AI products. You will work on data pipelines, model-serving infra, and scalable microservices handling real-world traffic at scale.

Responsibilities include designing robust back end services, implementing performant architectures, and integrating with databases, queues, and cloud services.