264 Part-time jobs for English speakers in Portugal

Front-End Developer role creating visually appealing and user-friendly web application interfaces. Requires strong knowledge of HTML, CSS, and JavaScript, plus experience with Angular or React. Part-time position suitable for students.

Experienced House Maid needed for part-time role. Responsibilities include maintaining household cleanliness, organization, laundry, and basic cooking. Requires previous experience, strong attention to detail, and ability to follow instructions.

Part-time Unity Developer needed to design and implement high-quality game mechanics using the Unity engine. Requires strong C# proficiency and experience with game design principles. Professional experience as a Unity developer is preferred.

Marketing Specialist applies expertise to train AI systems while designing and executing digital marketing campaigns. Requires 5+ years in marketing, data analysis, and content creation for digital platforms.

HRBP role supporting employee lifecycle and HR strategy execution. Responsibilities include compliance with Portuguese labor law, managing documentation in Factorial, and advising managers. Requires 5+ years experience and HR background.

Independent Strategy & Presentation Consultant needed for a leading AI lab. Build and refine client strategy decks and executive presentations. Requires 5+ years of professional deck-building experience, ideally from a top consulting firm or bank.

HR Business Partner role executing strategy and managing the full employee lifecycle. Responsibilities include compliance with Portuguese labor law, managing documentation in Factorial, and advising on people matters. Requires HR background and knowledge of local laws.

Freelance Civil Engineering Expert to train AI models. Responsibilities include generating prompts, defining scoring criteria, and correcting AI responses using domain knowledge. Requires a Civil Engineering degree and 3+ years of experience.

Vibe Code specialists conduct advanced web research, data extraction, and analysis for hybrid agents. Responsibilities include Python scripting, web scraping, data cleaning, and LLM utilization. Requires strong data manipulation and attention to detail.

Freelance Machine Learning Developer needed to design and solve complex computational STEM problems using Python. Requires a Master's/PhD in a STEM field, 5+ years of ML experience, and advanced English.

Freelance Machine Learning Research Engineer needed. Design and solve complex, computationally intensive STEM problems using Python. Requires Master's/PhD in STEM, 5+ years ML experience, and advanced English.

Experienced Civil Engineers with Python skills are needed to train and evaluate AI models on realistic civil engineering problems. The role requires engineering judgment, analytical rigor, and proficiency in Python libraries like NumPy and Pandas.

Freelance Statistician needed for project-based AI training. Tasks involve designing statistical problems, evaluating AI solutions, and validating calculations using Python (NumPy, Pandas, SciPy, etc.). Requires a Statistics degree and 3+ years of math experience.

AI Pilot Vibe Coding Task Associate role involves driving specialized data scraping workflows for the Tendem project. Responsibilities include end-to-end data extraction, validation, and processing using tools like Apify and OpenRouter. Requires strong web scraping and data extraction expertise.

Evaluate autonomous AI agents by reviewing tasks for logic, completeness, and realism. Identify inconsistencies and help define expected behaviors. Requires strong analytical thinking and attention to detail.

Freelance Kotlin Software Developer to train AI models. Design technical content, examples, and explanations demonstrating best practices in Kotlin development. Requires 3+ years of Kotlin experience and advanced English.

Python Engineer needed for freelance AI training. Design tasks and write tests to evaluate the safety and conduct of AI coding agents within realistic developer environments. Requires 4-5+ years in software development with Python and strong test design skills.

Freelance Mobile App Developer needed for Tendem project. Build native/cross-platform apps using React Native, Flutter, Swift, or Kotlin. Focus on stable, performant iOS/Android apps. Requires 3+ years experience.

Freelance Bot Developer needed for the Tendem project. Build and refine conversational bots for WhatsApp, Telegram, Discord, and Slack. Requires 3+ years in bot development, strong Python/Node.js skills, and API integration experience.

Mechanical Engineer with Python skills needed to train and evaluate AI models on complex engineering problems. Requires expertise in fields like Thermodynamics or FEA, and strong Python proficiency for validation.