Remote Python Backend Engineer for AI-Driven APIs

YO IT Consulting; Barcelona; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Cursor

Job summary

YO IT Consulting seeks a Python Developer for a remote contract role. You will design, build, and optimize backend services using Python, REST, and GraphQL, while focusing on security and data validation. You will collaborate with AI research teams to test models and provide incident reports and feedback.

Strong communication and remote collaboration skills are essential. This contract position emphasizes rapid iteration, database migrations, and scalable API design, with opportunities to

Qualifications

• 3+ years of backend experience with Python.
• Experience building RESTful and GraphQL APIs.
• Strong data validation, error handling, and API security.
• Experience with database migrations and schema design.
• Familiar with AI coding tools; Cursor experience is a plus.
• Excellent written and verbal communication; remote collaboration.

Responsibilities

• Design, develop, and optimize REST and GraphQL endpoints for scalable APIs.
• Ensure data validation, error handling, and security in backend services.
• Plan and perform database migrations and schema changes.
• Test AI-powered models and report incidents with notes and screenshots.
• Participate in intensive testing bursts and study AI model impact on coding workflows.
• Engage with research team in Slack to discuss findings and propose improvements.
• Submit post-burst surveys with insights on model performance and developer experience.

Skills

Python

RESTful APIs

GraphQL

API security

Database migrations

Testing

Remote collaboration

Incident reporting

Tools

Cursor

Job description

Job Description

Job Title: Python Developer

Job Type: Contract

Location: Remote

Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Key Responsibilities

• Design, develop, and optimize REST and GraphQL endpoints for scalable APIs.
• Drive data validation, error handling, and security best practices within backend services.
• Plan and execute database migrations, optimizations, and schema changes as needed.
• Actively test new AI-powered models in Cursor, providing actionable feedback via incident reports, bug traces, and screenshots.
• Participate in 4-day intensive testing bursts, exploring how AI models impact real coding workflows.
• Engage thoughtfully with the research team in a dedicated Slack channel to discuss findings and propose improvements.
• Submit detailed post-burst surveys, delivering insights on model performance and developer experience.
  
  

Required Skills And Qualifications

• 3+ years of professional experience as a backend developer, with strong expertise in Python.
• Proficient in building and maintaining RESTful and GraphQL APIs.
• Advanced understanding of backend data validation, error handling, and API security.
• Hands-on experience with database migrations, performance tuning, and schema design.
• Extensive use of AI tools for coding; familiarity with Cursor is highly desirable.
• Outstanding written and verbal communication skills, with a knack for clear incident and bug reporting.
• Proven ability to thrive in fast-paced, confidential, and collaborative remote environments.
  
  

Preferred Qualifications

• Visible contributions to open source (e.g., GitHub stars or contributions).
• Experience designing or evaluating experimental tooling and developer workflows.
• Demonstrated enthusiasm for AI advancements in software development.