Backend Developer – AI Trainer

This is a fully remote position, open to applicants in Spain.

📋 Description

• Create and execute multi-file coding projects encompassing bug resolution, feature enhancement, code refactoring, and testing.

• Produce clear specifications in natural language along with reference implementations.

• Develop and enhance unit and integration test suites.

• Evaluate tasks generated by peers for accuracy, clarity, and feasibility.

• Detect edge cases, ambiguities, and possible failure scenarios.

• Ensure consistency among specifications, code, and anticipated outcomes.

⛳️ Requirements

• Advanced proficiency in written English for professional communication.

• 3–7 years of experience in professional software engineering.

• Strong skills in Python and JavaScript/TypeScript, with a working knowledge of Java, C#, or Go.

• Experience in backend or full-stack development within production environments.

• Familiarity with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing.

• Demonstrated ability to debug and navigate extensive, multi-file codebases.

• Experience in conducting code reviews, performing refactoring, and managing production migrations.

🏝️ Benefits

• Competitive salary and performance-based bonuses.

• Comprehensive health, dental, and vision insurance packages.

• Flexible working hours and remote work options.

• Opportunities for professional development and continuous learning.

• Collaborative and inclusive company culture.