Remote Senior Python Engineer — AI Code & Data Pipelines

Alignerr Corp.; France; Remote; EUR 96,000 - 152,000; Full time

Job summary

Alignerr Corp. is seeking an advanced Python engineer to design, build, and optimize production-grade software and data workflows for AI systems.

This fully remote hourly contract offers autonomy, challenging real-world problems, and the chance to influence how AI reasons, writes, and processes code.

Ideal candidates have 4+ years of experience, deep Python skills, strong SQL, and experience with large datasets.

Qualifications

• 4+ years of professional software engineering experience.
• Advanced Python proficiency with clean architecture, performance optimization, and deep debugging skills.
• Strong hands-on experience working with real-world datasets.
• Solid SQL skills, including complex queries, joins, and data validation.
• Experience with open-ended or client-facing technical problem solving.

Responsibilities

• Design, implement, and optimize advanced Python code for production-level systems.
• Analyze and manipulate structured datasets to support engineering and modeling workflows.
• Write and optimize SQL queries to extract, transform, and validate data.
• Review, debug, and improve existing codebases for performance, reliability, and maintainability.
• Translate ambiguous or high-level requirements into concrete, well-reasoned technical solutions.

Skills

Advanced Python

SQL

Data handling

Client-facing problem solving

Performance optimization

Tools

REST APIs

Data Pipelines

Job description

Alignerr Corp. is seeking an advanced Python engineer to design, build, and optimize production-grade software and data workflows for AI systems.

This fully remote hourly contract offers autonomy, challenging real-world problems, and the chance to influence how AI reasons, writes, and processes code.

Ideal candidates have 4+ years of experience, deep Python skills, strong SQL, and experience with large datasets.