javascript English-speaking jobs in León

Fabrication Engineer role requiring technical expertise, analytical approach, and strong communication skills. Focus on solving complex manufacturing challenges, driving continuous improvement, and ensuring operational excellence.

Manager IT Business Applications (SAP) to own and coordinate SAP EWM/WM solutions across sites. Responsibilities include managing lifecycles, translating requirements, and coordinating between teams. Requires IT/engineering degree and SAP EWM/WM experience.

Our Mission At Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts.

Location: Barcelona or Valencia, Spain Salary: €20,000 gross/year + up to €2,000 bonus Schedule: Monday–Friday, 09:00–18:00 Start Date: ASAP Contract: Full-time Are you looking for a new opportunity in Spain with an international company? We are currently hiring Customer Service Sales Representatives to join a dynamic international project based in Barcelona or Valencia.

Contribute to high-performance vision system development, driving new product introductions from plan to ramp. Focus on wafer- and package-level test development, industrialization, and JEDEC/AECQ100 qualifications.

Group Lead Nacelle Developments manages Project Managers focused on drive train and machine house. This role involves leading cross-functional projects from concept to production, ensuring quality and budget adherence.

Senior physician needed for a UHNW Medical Officer role aboard a luxury vessel in the Mediterranean. Requires a Western-trained Medical Degree, 5+ years post-specialization experience in Emergency, Family, or Internal Medicine, and fluent English.

Lead performance engineering strategy for cloud-native telecom platforms. Lead and train distributed SDETs to build and execute performance scripts using k6, Python, Java, or TypeScript. Own load, stress, and resilience testing, integrating validation into CI/CD pipelines.

Senior role focused on growing a Middle-Eastern data centre platform's European footprint. Responsibilities include identifying, acquiring, and structuring land and powered sites, securing grid capacity, and managing local relationships, primarily in Spain.

MAIN DUTIES & RESPONSIBILITIES Prepare analytical batches to quantify drugs, anti-drugs antibodies or biomarkers in biological matrices by ligand binding assays (ELISA, MSD) according to international guidelines and internal procedures. Perform the evaluation and treatment of results of analytical batches. Label proteins with biotin or Sulfo-tag.

Leveraging advanced expertise in automation, intelligent logistics, and data-driven operations, we deliver end-to-end logistics solutions that help businesses grow while enhancing customer experience. Our capabilities span the entire supply chain, including warehousing, line-haul transportation, last-mile delivery, bulky goods logistics, cold chain solutions, and cross-border operations.

About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 65+ million customers get more from their money every day.

Own central supply KPIs and oversee cross-market execution of supply programs. Bridge local needs with global designs to deliver driver experiences, translating strategies into regional plans and driving continuous improvement.

Senior Data Scientist builds end-to-end data science solutions for the Veg PS digital landscape. Requires Master's/Ph.D. or 5+ years experience in ML, AI, and statistical modeling. Proficient in R/Python and cloud platforms.

Scientific Sales Specialist for Companion Animal Business Unit. This field-based role requires a Veterinary Medicine degree and experience in Animal Health, focusing on KOL engagement, scientific education, and driving business growth across Spain.

Senior Data Engineer to build and automate the data foundation using AWS services like Glue, Athena, and Kinesis. Requires 7+ years in data engineering, expertise in Lakehouse, IaC (CDK), and mentoring.

Internship focused on implementing the Salesforce-ServIS-SAP-FSL Pulsar data control system for Power Protection/UPS. This role involves learning and contributing to specific technical tasks under the Service Team Leader.

Sales Manager for Utility/BESS focusing on TBEA Solar Inverter, Power Station, BESS, Statcom, Micro-grid, SCADA, and TB-eCloud solutions in utility scale solar projects. Requires 3+ years of sales experience in this sector and strong key account relationship skills.

Staff Backend Engineers shape technical direction across teams, owning high-consequence backend problems. Requires deep ownership of distributed systems, strong judgment in service boundaries, and a track record of improving reliability and scalability.

Seeking an Origination professional with data center PPA experience. Requires strong modeling, financial acumen, and knowledge of European electricity markets, hedging, and BESS. Must manage commercial pipelines and possess excellent English skills.