javascript English-speaking jobs in Santa Cruz de Tenerife

Senior Designer to lead activewear collections, translating fashion and sportswear trends into innovative and functional products.

Sage Corps seeks a Barcelona City Manager to support a cohort of U.S. university students interning with local startups. Responsibilities include event curation, student support, and communication with Sage Corps HQ.

Supplier Crisis Management Consultant needed for a strategic project. Coordinate with internal teams and supplier stakeholders to stabilize operations, implement corrective actions, and ensure continuity of supply chain processes.

Senior Optimization Engineer needed to architect and deploy advanced nonlinear optimization engines. Responsibilities include designing custom algorithms, translating multi-physics phenomena into optimization problems, and customizing solver behaviors. Requires a PhD in a relevant field and deep knowledge of nonlinear optimization theory, programming languages (Julia, C++, Python), and large-scale solvers.

Customer Service & Asset Specialist to provide support to customers in Central Europe & Benelux. Manage customer onboarding, order-to-invoice processes, and asset management. Collaborate with internal departments to resolve customer issues and contribute to process improvements.

Clinical Training Specialist to support interventional cardiology sites across Spain. Responsibilities include delivering clinical training, proctoring live cases, supporting clinical trial execution, and building relationships with investigators. Requires a background in cardiac catheter laboratories, interventional cardiology, or medical device clinical trial support. Fluent Spanish and English required.

Project Manager to lead the delivery of utility-scale Solar PV and BESS projects (20MW+) in Spain. Full ownership from Ready-to-Build through construction and commissioning. Experience managing utility-scale Solar PV projects and EPC contracts required. Fluent Spanish and English essential.

Provides legal support and advice on business operations in the EU. Drafts, reviews, and negotiates legal documents. Handles legal disputes and provides guidance on labor law, data protection, and corporate governance.

Senior Coordinator for clinical packaging and labeling operations. Ensures timely delivery of packaged clinical supplies for studies from Phase 1 to Phase 4. Manages outsourced activities, reviews documentation, and collaborates with external partners. Requires experience in clinical packaging, R&D, GMP, GCP, and GDP. Strong proficiency in digital tools and reporting systems.

Senior Data Analyst will analyze game play data to inform product development, marketing strategies, and live operations. Responsibilities include extracting insights, optimizing marketing spend, building dashboards, and collaborating with cross-functional teams. Requires 4+ years of analytical experience, expertise in SQL and BI tools, and strong communication skills.

Painting / Coating Supervisor needed for a major energy yard project in Tarragona, Spain. Supervisory experience in industrial painting, protective coatings, and corrosion protection required. Strong understanding of QA/QC and HSE standards.

Develop, deploy, and enhance AI-powered solutions for payment systems. Collaborate with cross-functional teams to research, evaluate, and integrate new AI technologies. Build AI solutions using Python, LLM libraries, and AWS services.

The Sales Executive assists the Sales team in driving revenue, identifying business opportunities, and supporting client relationships. This role involves market research, competitor analysis, sales reporting, and collaborating with internal teams.

The Strategy and Business Development Associate will support the growth of X1 Wind by securing a project pipeline. Responsibilities include developing business development strategies, engaging with clients, preparing funding proposals, leading tender preparation, conducting market research, and collaborating with cross-functional teams.

Project Manager to oversee automation, BMS, and energy controls for hyperscale data center projects from design through handover. Will act as the owner's representative, managing schedules, budgets, and technical oversight. Requires 10+ years of experience managing similar projects and strong client-facing skills.

Ayesa seeks a Senior Business Developer & Project Manager for transport infrastructure projects in Europe, Middle East, Asia & Africa. Responsibilities include business development, market research, bid management, and project control and management. Requires a Civil Engineering, Architecture, or similar degree and 10-15 years of experience in the engineering sector. High English level required, Portuguese and Italian are valuable.

Administrative, Accounting & Sales Assistant needed for international contemporary art agency. Responsibilities include bookkeeping, financial reporting, sales administration, logistics coordination, and project support. Requires 3+ years experience in administration, accounting, or office management, strong organizational skills, and proficiency in Microsoft Office and accounting software. Fluent English and Spanish required.

Business Development Manager to drive new business opportunities and revenue generation. Focus on outbound prospecting, lead generation, and qualification. Support opportunity progression and build a strong sales pipeline.

Manages regional delivery service partner network, including sourcing, onboarding, and performance management. Leads regional growth initiatives, including capacity planning, expansion, and product rollout. Develops and implements last mile operations processes to ensure quality and performance.

Pricing Actuary to develop and execute UK pricing strategies for Motor, Home, Pet, and SME portfolios. Build data-driven models, analyze portfolio performance, and collaborate with MGAs and partners across Europe.