473 English-speaking jobs in Barcelona

Freelance AI trainer needed to design and develop computationally intensive statistical problems requiring Python programming. Must have a degree in Statistics or related field, 2+ years of experience, and strong written English.

Freelance AI trainer needed to design computational engineering problems requiring Python programming and numerical methods. Must have a degree in Electrical Engineering or related field and 2+ years of experience. Strong written English (C1+) is required.

Bioinformatics & Python Specialist needed for part-time, project-based work with leading tech companies. Design computational biology problems requiring Python programming and bioinformatics expertise.

Freelance AI trainer needed to design and develop computationally intensive financial problems requiring Python programming. Must have a degree in Finance, Mathematics, or related field and 2+ years of experience. Strong written English (C1+) required.

Freelance Machine Learning Engineer needed to design computational STEM problems requiring Python programming and non-trivial reasoning. Must have 5+ years of experience, a portfolio of projects, and expertise in Python, statistics, machine learning, SQL, and GenAI technologies.

Freelance AI trainer needed to design computational biology problems requiring Python programming. Must have a biology degree, Python proficiency, and experience with biological data analysis and algorithms.

Senior Python Developer needed for project-based AI work. Experience with pytest, Docker, Linux, Bash, and LLMs (e.g., Claude Code, Roo Code) required. Must be able to read and understand code in C, C++, Rust, or Go. 5+ years of software engineering experience primarily in Python. English proficiency (B2 or higher) is required.

The In-Room Dining Waiter delivers exceptional in-room dining service, ensuring guest satisfaction through attention to detail, efficiency, and personalized service. Responsibilities include setting up trays and tables, delivering orders, assisting guests, and verifying guest satisfaction.

Senior Product Designer will own the UI layer, defining how semantic models, metrics, and data lineage are represented and navigated in the platform. Translate complex requirements into scalable interaction patterns for data engineers and business stakeholders. Design for AI, building interfaces where humans and AI collaborate. Requires 7+ years of product design experience, including 4+ years on complex B2B software. Strong portfolio demonstrating end-to-end design process and experience with AI-first design workflows.

Experienced Scrum / Agile Master to guide teams through agile processes, ensure project delivery, and promote collaboration. Facilitate ceremonies, support teams with technical understanding, and coach for continuous improvement.

The Director of IT Infrastructure & Operations leads the strategic planning and execution of IT infrastructure services, ensuring reliable, secure, and scalable technology platforms. This role is responsible for operational and service management processes, aligning with the enterprise's business strategy and delivering capabilities for business success. The Director will also oversee risk management strategies, safeguarding data integrity and protecting systems against threats.

Yugo seeks a Service and Sales Assistant to support the student housing experience. The role involves managing the sales cycle, student communication, and administrative tasks. The ideal candidate is passionate about student well-being, possesses strong customer service skills, and is organized with the ability to handle multiple tasks.

As a Data Scientist, you will build and maintain algorithms, machine learning models, forecasting tools, and data-driven experiments to enhance Volotea's operations and strategy. You will solve problems, develop optimization solutions, and enhance data-driven processes.

Aerospace Engineering Graduates (2025/2026) will join Volotea's talent pool for opportunities across engineering, airworthiness, operations, data, performance, finance, and strategy. Support teams in solving operational and business challenges, analyze data for improvement, and contribute to projects enhancing efficiency and performance.

Volotea seeks an HRIS Analyst to manage and improve the Employee Central module within SAP SuccessFactors. The role involves leading system-related projects, integrating SuccessFactors with other business systems, and ensuring data integrity. The ideal candidate has 1-2 years of HR systems experience, strong data analysis skills, and proficiency in Excel.

CAMO Engineer ensures airworthiness of Volotea's fleet by analyzing and distributing technical documentation, managing engine and APU maintenance, and collaborating with cross-functional teams. Requires a Bachelor's Degree in Aircraft Engineering, 3+ years of CAMO experience, familiarity with A320 aircraft, and fluency in English.

Leads the development and implementation of Total Rewards strategies for the EMEA region, including compensation, benefits, and perquisites. Oversees the day-to-day operational delivery of benefits programs and manages compensation and benefit change requests. Supports mergers, acquisitions, and divestitures related to Total Rewards programs in EMEA. Requires experience in compensation and benefits legislation and compliance across multiple countries.

Senior Analytics Consultant to join Sales Compensation Insights & Analytics. Drive stakeholder engagement, architect solutions to complex business questions, and translate business requirements into analytical solutions.

Junior Machine Learning Engineer will research, develop, and prototype generative AI models. Collaborate with scientists, developers, and product managers to advance AI technologies.

Designs, develops, and maintains data architectures, pipelines, and models for sales compensation data. Analyzes, validates, and cleanses data to ensure accuracy and compliance. Collaborates with cross-functional teams to resolve data issues and support reporting.