python English-speaking jobs in Castile and León

Doofinder seeks a Business Development Manager to drive business growth in the Polish market. This role involves identifying and prospecting clients, managing the full sales cycle, and exceeding revenue targets. The ideal candidate has 1-2 years of B2B sales experience, a proven track record of closing deals, and strong communication and negotiation skills. Native Polish with fluent English or Spanish is required.

Internship focused on market expansion and business development in Italy. Responsibilities include identifying partners, developing a local strategy, and managing relationships. Must have experience in sales, consulting, or business development and knowledge of the Italian student ecosystem. Fluent in Italian and English required.

Experienced Sales Manager to lead and manage a real estate team in Marbella. Minimum 5 years of proven experience in real estate sales management, specifically in the Marbella market. Fluent English required, Spanish is advantageous.

Business Analytics Trainee will participate in decision-making for a growing international beauty brand. Responsibilities include corporate reporting, analysis of key indicators, and budget preparation.

Leads technical application support, oversees day-to-day operations, and drives maintenance, enhancement, and development of the OneStream solution.

Senior Consultant with strong pharmaceutical experience sought to drive strategic impact for multinational clients. Focus on understanding human behavior and translating insights into smarter business decisions.

Senior Python Developer to design, implement, and optimize platform applications. Requires 4+ years of Python experience in production environments, including frameworks like Django, Flask, or FastAPI.

Marketing Manager to lead global marketing strategy, brand positioning, and 360° growth campaigns. Requires 7+ years of experience in mobility, automotive, tourism, or related sectors with expertise in digital marketing, brand management, and team leadership.

The Biorepository Technician will maintain, develop, and implement protocols within the Biorepository team. Responsibilities include sample reception, quality control, aliquot preparation, data management, and documentation. Requires at least 3 years of experience in molecular biology laboratory techniques, including DNA/RNA extraction, quality control, and quantification. Experience with LIMS databases and liquid handling robots is preferred.

Provides legal counsel and support for a variety of business operations, including contract drafting, negotiation, and review. Manages external legal counsel and provides legal analysis on dispute resolution and compliance matters.

Structural Engineer needed for ground-mounted photovoltaic systems. Responsibilities include structural design, analysis, and support for tracker and fixed tilt systems. Must have experience with European, U.S.A., and South America standards and 3D CAD software.

Lead and evolve the QA strategy across 35+ teams, encompassing all levels of testing. Build automation infrastructure, promote automation-first approaches, and manage a group of QA Managers.

The Field Technical Support (f/m/d) resolves customer problems and issues through technical expertise and troubleshooting. This role requires a technical or university degree in a relevant field, experience in maintenance and repair of laboratory equipment, and fluency in Spanish and English.

Project Documentation Intern will assist in organizing, classifying, and archiving project documentation. Responsibilities include maintaining document registers, coordinating with project engineers, and supporting documentation packages for audits.

Provides direct support to the Executive Vice President in strategic, financial, and operational matters. Manages EVP priorities, conducts cost analysis, and supports key projects. Requires strong analytical, communication, and organizational skills.

The Senior HR Manager provides human resources leadership and support for multiple countries, including organizational development, employee relations, recruiting, compensation, benefits, performance management, training, and safety. The role requires developing and implementing HR programs and policies, aligning with global mandates, and collaborating with stakeholders to bridge operational gaps. The Senior HR Manager will also analyze data, provide training, and ensure compliance with local labor laws and company policies.

Full-time Spa Manager and Therapist needed for a 5-STAR RESORT in Mallorca, Spain. Responsibilities include managing daily spa operations, providing treatments, ensuring client satisfaction, and overseeing staff. Proven spa management experience, customer service skills, and skincare treatment proficiency are required.

Senior React Developer will develop, maintain, and optimize React-based front-end applications. Responsibilities include building reusable UI components, working with JavaScript and TypeScript, implementing testing strategies, and collaborating with cross-functional teams.

Performance Engineer to conduct performance, load, and stress tests on web applications. Analyze frontend performance and identify bottlenecks. Collaborate with developers and stakeholders to integrate performance testing into CI/CD pipelines.

The Senior Data Analyst & Clinical Data Manager analyzes clinical trial data, develops reporting and visualization strategies, and ensures data management compliance. This role leads data management activities from study start-up to database lock, optimizing data workflows and collaborating with cross-functional teams. Requires a Bachelor's Degree in Life Science or Health Informatics, fluency in English, and 5+ years of experience in the pharmaceutical sector.