Remote Backend Engineer — AI Infrastructure & APIs

Alignerr Corp.; Utrecht; On-site; EUR 83,000 - 138,000; Part time

Job summary

Alignerr is seeking Back End Developers to design, build, and optimize the server-side systems and APIs that drive AI products. This role covers data pipelines, model-serving infrastructure, and scalable microservices handling real-world traffic at scale.

It is a fully remote, flexible hourly contract open to engineers across the Netherlands, with the freedom to work asynchronously and on your own schedule while delivering high-quality, well-documented code.

Qualifications

• Proficient in one or more back end languages.
• Strong RESTful API design and microservices knowledge.
• Experience with relational and NoSQL databases.
• Cloud platform experience (AWS, GCP, or Azure).
• Familiar with Git, CI/CD, and Docker/Kubernetes.
• Excellent problem-solving and independent work in async setups.

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

Python

Go

Java

Node.js

Rust

Tools

PostgreSQL

MongoDB

Redis

Docker

Kubernetes

Job description

Alignerr is seeking Back End Developers to design, build, and optimize the server-side systems and APIs that drive AI products. This role covers data pipelines, model-serving infrastructure, and scalable microservices handling real-world traffic at scale.

It is a fully remote, flexible hourly contract open to engineers across the Netherlands, with the freedom to work asynchronously and on your own schedule while delivering high-quality, well-documented code.