1124 English-speaking jobs in Madrid

As a Global Sales & Service Transformation Director, you will lead the harmonization and optimization of processes across a 900-person organization. You will drive the standardization and modernization of core operational workflows using SAP S/4HANA, enhancing efficiency, quality, and the customer experience. This role requires 5-10 years of management consulting experience, particularly in global transformation programs related to SAP SD - S/4HANA migration.

Join the Parque Warner team as a seasonal assistant in 2026. Roles include work in restaurants, attractions, shops, ticket booths, and turnstiles. Must be available to work any day of the week, be outgoing, and have a driver's license and vehicle.

Operations Efficiency Manager will onboard and mentor interns focused on workforce optimization projects. This role leads site-based assessments to identify labor inefficiencies and collaborates with park operations teams to develop solutions. Requires proven experience in workforce management, operations, consulting, or labor optimization and fluency in English.

As a Product Marketing Manager, you will develop and execute marketing strategies to drive awareness, adoption, and retention of Fireflies.ai's offerings. You will create compelling product narratives, conduct market research, and collaborate with cross-functional teams.

Freelance Management Consultants with 3+ years of experience at McKinsey, BCG, or Bain are needed to design structured consulting tasks for AI agents. Consultants will break down projects into tasks mirroring real consulting work and define evaluation criteria for AI outputs.

Freelance English Writer will train AI models by crafting text that teaches AI reasoning, logic, and clarity. Contributors will create original, fact-checked responses, following style standards and collaborating with Quality Assurance Specialists.

Senior Python developer needed for a functional testing project. Experience with pytest, Docker, Linux, Bash scripting, and LLMs (Claude Code, Roo Code) is required. Must be able to read and understand code in C, C++, Rust, or Go. 5+ years of software engineering experience primarily in Python is necessary. English proficiency (B2 or higher) is required.

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree and 2+ years of experience.

Freelance Web Scraping Specialist needed for the Tendem project. Utilize Apify, OpenRouter, and Python to extract data from complex websites, ensuring accuracy and reliability. Must have experience with BeautifulSoup, Selenium, and data processing techniques.

Freelance AI Evaluation Engineer needed to create challenging coding test cases for AI systems. Requires 5+ years of Python development experience, full-stack development skills, and experience writing tests.

Designs water treatment systems and processes, conducts feasibility studies, and develops technical specifications for water treatment plant construction and improvement. Requires a degree in Chemical or Mechanical Engineering, 3+ years of experience in water treatment plant design, operation, and maintenance, and proficiency in design software.

Legal Counsel with 10+ years of experience in construction, energy, infrastructure, or concessions sectors providing legal support to various business areas.

Postdoctoral Researcher to study human-nature relationships and sustainability. Develop theoretical and empirical frameworks, conduct research, analyze data, and publish findings. Requires PhD in relevant field, proven research experience, expertise in consumer behavior, and publication record in high-impact journals.

Develop and implement global talent acquisition strategies aligned with regional business objectives. Lead and shape the regional talent acquisition strategy and portfolio management for Europe.

Operate a football experience platform in Madrid. Manage operations, marketing, and team hiring for a proven global brand. Strong local insight and entrepreneurial mindset required.

Lead fundraising, capital formation, and market development for a global private markets investment manager's Partnerships platform. Focus on expanding the firm's global LP footprint, with Asia and the Middle East as priority markets. Manage the full fundraising cycle, including positioning, diligence management, onboarding, and long-term account development. Act as the firm's subject-matter authority on secondaries, co-investments, and fund-of-funds. Design and execute market-development strategies across global LP hubs, with Asia and the Middle East as the highest-priority growth vectors.

Arup seeks expressions of interest for the Data Center Campaign, promoting the growth of the Arup Data Center Business in Europe. The role involves collaborating with cross-functional teams to deliver cutting-edge data center designs. Arup offers a full range of data center consulting services, including engineering, architectural, and management solutions.

Senior Analyst, Sales Strategy & Operations will support Chainlink's BUILD and SCALE programs by designing workflows, building data visibility, and ensuring partner performance is tracked and acted upon. This role requires experience designing automation workflows, operating as a Business Partner, and leveraging AI/LLM tools.

Description The opportunity Single Point of Contact within HV Products for manufacturing philosophy and execution pertaining to Control and Protection Electrical Cabinets for Power System Substations. Responsible to provide manufacturing methods to optimise resource use, minimise waste and maintain Quality standards.

Leads the GPQSS Product & Solution Management team, driving portfolio strategy, innovation, and lifecycle excellence for a diverse range of grid and energy solutions.