python English-speaking jobs in Castile and León

Data Scientist (Mid-Senior) will develop AI solutions for a large hospitality chain, focusing on pricing, revenue optimization, and AI initiatives. Responsibilities include building and deploying models, designing pricing strategies, and collaborating with stakeholders to translate business strategy into data science solutions. Must have strong data science experience, Python skills, and experience with cloud platforms. Fluent in English and Spanish required.

General Health Psychologist specializing in pediatrics and early intervention needed for a team supporting children aged 3-12. Responsibilities include assessment, diagnosis, treatment, and family therapy. Must be fluent in English.

This hybrid role in Barcelona offers flexibility for remote work. The Immigration Specialist will manage immigration processes, including visa applications, work permits, and compliance with immigration policies.

Application Support Engineers (Level 2 & 3) will provide operational support for core banking applications, investigate and resolve incidents, and collaborate with development and other support teams.

Experienced ELT & Bilingual Editor needed for a 9-month temporary position to cover maternity leave. Responsibilities include revising and adapting author submissions, creating content, and collaborating with cross-functional teams. Must have a Bachelor's degree and at least 3 years of experience in textbook editing for ELT or CLIL. Native English speaker required.

Software Developer will design, develop, and implement new product features using Vue.js, Nest.js, React Native, and Flutter. Responsibilities include data analysis, DevOps, API integrations, and exploring AI models. Requires 3+ years of experience with Node.js backend and modern frontend frameworks.

Data Engineer needed for a growing consultancy in Madrid. Experience with MongoDB and database optimization required.

Project Documentation Intern to support the Greenfield & Operation Department. Assist with organizing, classifying, and archiving project documentation. Maintain document registers and filing systems. Coordinate with project engineers and team members. Support documentation packages for audits and reviews. Bachelor's degree in Engineering, Business Administration, or equivalent experience required. Chinese mother-tongue, business fluency in English, and fluency in Spanish preferred.

VASS seeks early-career technical graduates for a structured program developing future project management leaders. Junior Project Managers will support technology project delivery, coordinating teams, tracking progress, and ensuring operational discipline.

Part-time English Teacher needed for kids and teens in Sabadell. Responsibilities include planning and delivering engaging lessons, assessing student progress, and creating a positive classroom environment. Must have a CELTA or equivalent qualification and experience in lesson planning and classroom management.

Telecommunications Intern to support telecom equipment, technical operations, and project coordination in Madrid. 6-12 month internship.

Full-time Copywriter needed for on-site role in Sant Cugat del Vallès. Responsibilities include creating blog and marketing content, managing website text and translations, and optimizing content for SEO. Native or native-like English required, high level of Spanish preferred.

BAM Karaoke Box seeks a Sales Manager to lead B2C & B2B sales strategies in Spain. The role involves developing sales pipelines, achieving turnover targets, and managing customer relationships. Requires 3+ years of sales experience, marketing knowledge, and fluency in English & Spanish.

Senior Development Manager to lead full lifecycle of large-scale, low-carbon data center projects in Madrid. Experience in data center, infrastructure, or real estate development required.

Test Environment Engineer with 5+ years of Dataiku experience needed to build, configure, and maintain test environments for Dataiku ETL flows, AML systems, and Trade Surveillance solutions. Must have Python and SQL knowledge, Unix/Linux skills, and experience supporting test environments in an enterprise setting.

The Biorepository Technician will maintain, develop, and implement protocols within the Biorepository team. Responsibilities include sample reception, quality control, aliquot preparation, and data management. The successful candidate will have at least 3 years of experience in molecular biology laboratory techniques and 1 year of experience with LIMS databases.

Technical Project Manager to drive complex global integrations in Fintech and Payments. Manage the technical integration lifecycle, from scope analysis to launch, and troubleshoot integration challenges. Fluency in English is required, French or other European/African languages are a plus. 3+ years of experience in a Technical Consultant, Solutions Architect, or Integration Engineer role is required. Strong proficiency with RESTful APIs, Webhooks, and JSON/XML data structures is essential.

Solution Specialist will drive the sales cycle, nurture client relationships, and showcase expertise in cloud technologies. Responsibilities include securing new customer wins, providing technical product overviews, and conducting trainings. Must be native or proficient in Finnish and English, have a Bachelor's degree, and 3-6+ years of technology related sales or business development experience. Minimum Fundamentals certification is required.

Project Manager - API Design needed for international team. 5-7 years of experience managing API-driven projects in Banking required. Proven API design experience, including contracts, versioning, and governance. Strong analytical skills and experience with Agile methodologies. Fluent Spanish and English required.

Drive quality excellence across Voith Hydro's global manufacturing network for turbines and generators. Lead global manufacturing quality strategy, ensuring alignment with renewable energy objectives. Manage inspection and calibration systems, create quality documentation, and perform process audits.