50 freelance English-speaking jobs in Porto District

who: Has a strong track record in field sales and direct sellingHas experience building and managing freelance

whoHas a strong track record in field sales and direct sellingHas experience building and managing freelance

Freelance AI trainer needed to design mathematics problems, evaluate AI solutions, and validate calculations using Python. Must have a degree in Mathematics or related field, 3+ years of experience, strong Python proficiency, and excellent written English.

Prolific seeks Certified Accountants (CPA, ACCA, ACA, CIMA, or equivalent) to provide expert analysis for B2B and AI research projects. Tasks include document analysis, domain-specific validation, and business logic synthesis. This is a freelance, on-call opportunity with an hourly rate of $60.

Freelance AI trainer needed to design statistical problems, evaluate AI solutions, and validate calculations using Python. Must have a degree in Statistics or related field, 3+ years of professional mathematics experience, strong written English, and proficiency in Python for numerical validation.

Manage and optimize Google Ads campaigns for fashion-related dropshipping clients. Responsibilities include campaign setup, performance monitoring, reporting, and client communication.

Electrical engineers with Python proficiency are sought for part-time, project-based AI training roles. Responsibilities include designing electrical engineering problems, evaluating AI solutions, and validating calculations using Python.

Energy engineers with Python proficiency are sought for part-time, project-based AI training roles. Responsibilities include designing energy engineering problems, evaluating AI solutions, validating calculations using Python, and improving AI reasoning.

Certification Technical Product Marketing Manager - Cybersecurity Senior Project Manager (Pre-Sales) - OP01857 Freelance

Junior Software Engineer - Cross-platform C++ - MultipassML Engineer (Portugal Based Remote/Hybrid)Freelance