frontend developer English-speaking jobs in León

Pylontech seeks a Business Development Manager to lead growth in the Iberian region's Commercial & Industrial and residential energy storage segments. The role involves lead generation, strategy development, client relationship management, proposal preparation, contract negotiation, and project coordination.

Experienced Project Manager needed for a leading automotive project. Lead and coordinate complex projects, ensuring alignment with timelines and deliverables. Collaborate with specialist groups and drive change management. 5+ years of project management experience, knowledge of change and lifecycle management, and ramp-up in production environments required. Degree in Engineering, Project Management, or similar. Fluent in German and English.

Provides executive and administrative support within the Purchasing Department. Ensures timely delivery of purchased goods, mainly raw materials and products for other departments. Places orders, tracks order status, and manages purchasing operations. Requires 3-5 years of experience in the fragrance industry, excellent English and Spanish, and advanced Microsoft Office skills.

The Carlos Simón Foundation seeks an Administrative professional to support the Finance and Administrative Department. The role involves general accounting tasks, invoicing, tax preparation, administrative support, and process improvement. Two years of experience in a similar role is required.

Storage Engineer will design, implement, and optimize energy storage systems, focusing on lithium-ion batteries, hydrogen, and other emerging technologies.

Junior Cost Control Engineer to assist with project templates, database maintenance, cost analysis, and staffing schedules. Requires 1-2 years experience, a degree in a relevant field, and advanced Excel skills.

Program Manager – M&A Integration will plan, drive, and execute post-merger integration of acquired companies, ensuring alignment with business objectives and synergy targets.

Procurement Specialist to develop and execute procurement plans, manage supplier relationships, and negotiate contracts for installation subcontracting. Requires a bachelor's degree, 3+ years of experience in a matrix organization, fluency in Spanish and English, and knowledge of construction procurement.

Drive efficient workforce planning across international markets by aligning resource needs with demand, ensuring schedule quality, and meeting service agreements. Coordinate monthly planning updates, ensure real-time schedule quality, and produce follow-up reports. Act as a reference point for planning-related topics and contribute to the implementation and improvement of tools and processes.

Global Governance & Engagement Officer will shape and drive the future of corporate compliance and ethics. This senior role reports to the Chief Compliance Officer and partners with senior leadership to strengthen governance, embed ethics, and ensure alignment between culture, accountability, and performance.

Business Development Manager to drive growth and expansion of hospitality brands across Europe, North Africa & Turkey. Identifies, pursues, and secures new business opportunities in hotels, restaurants, beach clubs, and nightclubs. Requires strategic thinking, relationship building, negotiation, and project coordination.

Senior Producer to oversee and lead the production of immersive experiences from concept to delivery. Manages project timelines, coordinates cross-functional teams, and ensures quality standards. Requires proven experience leading large, multidisciplinary projects, audiovisual production knowledge, and strong communication and leadership skills.

Technical Illustrator needed for aerospace and defense projects. Create and update 2D and 3D technical illustrations for aircraft and defense systems documentation. Must have experience with ASD S1000D and structured documentation processes. Strong understanding of engineering drawings and CAD data required.

Senior Project Manager leads the delivery of complex, strategic programs across the organization, ensuring alignment with enterprise priorities and successful execution within scope and budget.

Innovation Manager will partner with the Innovation Director to execute and scale innovation initiatives in Spain and internationally. The role involves translating strategy into roadmaps, designing and testing products and services, and supporting the adoption of AI in business processes.

Board Advisor for sustainable, impactful startups. Provide strategic guidance, expertise, and fundraising support to pre-seed to Series A companies. Potential for investment. Part-time, remote role.

DevOps / Infrastructure Engineer to lead Quipu's infrastructure. Manage Infrastructure-as-Code, deployments, and legacy component migration. Support engineering teams with environment provisioning, CI/CD, and debugging.

Administrative Assistant to support daily operations and executive team. Responsibilities include managing administrative tasks, providing executive support, handling correspondence, and assisting with scheduling. Requires strong organizational and communication skills, proficiency in Microsoft Office Suite and Google Workspace, and fluency in English and Spanish.

Gain hands-on experience in investment banking through a 10-week virtual internship. The program includes intensive training in financial modeling, valuation, and industry research, followed by eight weeks of work on live projects with a Managing Director or Partner at a boutique investment bank.

Design and propose AIDC solutions (printers, barcode, RFID, mobile computing, software) in collaboration with sales and marketing. Provide technical expertise, project support, client engagement, and documentation/training for successful deployments. Serve as a subject matter expert on AIDC technologies and industry best practices.