Back End Developer - AI Infrastructure (Remote)

Alignerr Corp.; Paris; Remote; EUR 83,000 - 138,000; Full time

Job summary

Alignerr Corp. is seeking Back End Developers in Paris for design, build, and optimization of server-side systems and APIs powering AI products.

This is a fully remote, hourly contract role with 10–40 hours per week, offering flexible scheduling and the chance to work on AI-adjacent infrastructure. You will design and maintain back end services, implement scalable architectures, and collaborate with engineers, researchers, and product leads across time zones.

Qualifications

• Proficient in one or more backend languages — Python, Go, Java, Node.js, Rust, or similar.
• Strong RESTful API design and microservices knowledge.
• Experience with relational and/or NoSQL databases (PostgreSQL, MongoDB, Redis).
• Familiar with cloud platforms such as AWS, GCP, or Azure.
• Experience with version control (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 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

Backend development

RESTful APIs

Distributed systems

Cloud platforms

Async collaboration

Tools

Docker

Kubernetes

Git

CI/CD

Job description

Alignerr Corp. is seeking Back End Developers in Paris for design, build, and optimization of server-side systems and APIs powering AI products.

This is a fully remote, hourly contract role with 10–40 hours per week, offering flexible scheduling and the chance to work on AI-adjacent infrastructure. You will design and maintain back end services, implement scalable architectures, and collaborate with engineers, researchers, and product leads across time zones.