frontend developer English-speaking jobs in León

Venture Lead to research, analyze, and support new business ventures. Responsibilities include identifying opportunities, supporting launches, monitoring performance, and developing business plans. Requires fluency in Spanish and English, 5-7 years of relevant experience, and strong analytical skills.

Leads quality investigations, strengthens process excellence, and refines manufacturing quality controls. Supports HACCP, TACCP, and VACCP activities and drives data-led improvements.

The Night Manager oversees all hotel operations during the overnight shift, ensuring smooth running and guest satisfaction. Responsibilities include supervising the housekeeping team, coordinating with departments, managing guest incidents, and maintaining property security.

Experienced Executive Chef to lead culinary direction of a large-scale hospitality operation in Barcelona. Responsibilities include defining culinary strategy, ensuring quality and scalability across multiple kitchens, and leading a large culinary team.

Assist customers with vehicle returns, check for damage, and ensure accurate fleet records. Provide excellent customer service and support branch operations.

Quality Assurance Specialist reviews and approves GMP documentation for pharmaceutical development, including manufacturing instructions, analytical methods, and stability protocols. Manages quality activities, supports audits, and ensures IMP status across the clinical supply chain.

Electrical System Engineer to contribute to EMC/EMI analysis, testing, and qualification of electrical and electronic systems. Support DO-160 compliance activities and lightning effects analysis. Experience in EMC/EMI testing within regulated environments and DO-160 qualification activities required.

Global Quality Senior Manager will execute and ensure the effective implementation of Global Quality Assurance processes across Biopharma sites. The role provides operational support to site Quality teams, coordinates quality incidents and CAPAs, and supports batch release processes. The ideal candidate will have a Bachelor's Degree in Health Sciences or a related field, 5-10 years of experience in Quality Assurance within the pharmaceutical or biopharmaceutical industry, and experience in project management.

Thales Spain seeks a Cybersecurity Infrastructure Engineer with 3+ years' experience in cyber security infrastructure management and support. Responsibilities include operating and supporting NGFW environments (CheckPoint, PaloAlto, Fortinet), managing requests and incidents, and ensuring secure configuration of infrastructures. Requires FPGS qualification, networking knowledge, service management experience, and proficiency in scripting or automation languages. Must be fluent in English (B2 minimum) and available for 24x5 on-site shifts.

Administrative specialist technician to support billing operations for clinical trials in Medical Oncology and Clinical Haematology. Responsibilities include end-to-end billing process management, clinical activity recording, and stakeholder communication. Requires a CFGS degree in Administration, complementary training in clinical trials, and 3 years of experience in document management and accounting.

Design and develop commercially successful Missy women's apparel lines from concept to production. Collaborate with production, sourcing, and overseas factories to meet timelines, cost, and quality targets.

Pre-Sales professional specializing in Azure solutions. Designs cloud architectures, delivers technical presentations, and supports channel partners in implementing cloud solutions. Requires experience in Azure, IaaS, PaaS, and hybrid cloud.

Leads the design, implementation, verification, and validation of Digital and Mixed-Signal ICs DFT architectures and solutions. Develops and implements DFT architectures and techniques, performs RTL design, debugging, and verification, and generates test and debug patterns. Collaborates with other departments to ensure successful product development. Requires a BSEE with 15 years of experience or an MSEE with 12 years of experience as a DFT Engineer. Solid knowledge of the full ASIC development process and excellent RTL Verilog or System Verilog coding skills are essential. Experience with standard and advanced DFT techniques is required.

The Barcelona Supercomputing Center seeks a machine learning coordinator to oversee AI services for climate science within the AI Factory initiative. The coordinator will manage software integration, supervise use cases, and collaborate with scientific teams, technical experts, and project partners.

Teach English to students of varying levels in a dynamic classroom setting. Must be a native English speaker with a B1 level of Spanish and a CELTA/TEFL/TESOL certification. Teaching experience is a plus.

Luxury Buyers make purchases in European boutiques for international clients, following team instructions and delivering items to local offices.

Develops after-sales service strategies for European markets, manages service networks, and implements training programs. Requires a bachelor's degree, 5+ years of experience in automotive after-sales service, fluency in English and Spanish, and technical knowledge of automotive systems.

Part-time Studio Administrator (20 hours/week) supporting daily operations and long-term organizational needs at BITSCAPES in Valencia. Responsibilities include managing correspondence, scheduling, basic accounting, HR support, and assisting with project documentation.

Industrial Engineer with 5+ years of experience in process scale-up, pilot plant operation, and industrial process optimization. Experience in bio-based processes, enzymatic processes, or industrial biotechnology is preferred.

ADP is hosting a Digital Sales Academy for individuals with no to little sales experience seeking a career in tech sales. The program provides formal training, hands-on selling experience, and a paid opportunity to learn from ADP Sales Trainers. Graduates will begin their sales career with clients, quotas, and commissions.