backend developer English-speaking jobs in Castile-La Mancha

Paid internship in Business Development starting February. Support sales team with lead generation, CRM management, market research, and outreach. Must be enrolled in an educational program and have strong English skills.

Sales Development Representative to qualify leads, reduce no-shows, and ensure high-quality candidates reach the sales team. Focus on inbound lead qualification, follow-up, and CRM management. Native or impeccable English required.

Director of Construction Projects needed for growing high-end residential real estate developer in Majorca. Requires fluency in English and Spanish, a degree in Engineering or Construction, and experience leading technical teams in luxury residential projects.

Senior Data Scientist to lead client projects, mentor junior colleagues, and assess new technologies. Requires 5+ years of experience in ML/AI, strong Python skills, and expertise in Computer Vision, NLP, or Sensor Data Analysis.

Analyst will work in BCG's People & Organization Practice and Tech and Digital Advantage areas, focusing on (Gen)AI and digital transformation. Responsibilities include providing expert advisory, analysis, and insights, developing intellectual property, and supporting commercialization efforts. Requires 1+ year of experience in a leading consulting or technology firm, or 1+ year of industry experience. Strong understanding of (Gen)AI market trends, use cases, and enabling technologies is necessary. Excellent communication and collaboration skills are essential.

Full-time Primary Substitute Teacher needed for a British Montessori school in Barcelona. Implement lesson plans, deliver engaging lessons, and foster a positive learning environment aligned with Montessori principles.

Event and Travel Manager to manage pharma client projects from planning to execution. Responsibilities include budgeting, client communication, travel arrangements, and ensuring project profitability. Requires 3+ years experience as a MICE and Travel Specialist in the pharma industry, fluency in Portuguese and English, and expertise in Amadeus.

System Integrator (Avionics) for international projects. Own electrical and electronic system integration of unmanned aerial systems, including wiring, electrical architecture, and physical integration. Design, improve wiring harnesses, and create electrical documentation. Plan and execute electrical testing and support system integration, ground, and flight testing.

Customer Service Specialist acts as a liaison between customers and the company, ensuring excellent service standards and resolving customer issues. Provides accurate information, identifies customer needs, and collaborates with internal teams. Requires 5+ years of experience in a similar role, fluency in Spanish or Catalan, and proficiency in Office Tools.

Land Transport & Infrastructure Consultant will apply consulting skills and functional knowledge to execute assignments. Plan, organize, and lead tasks and projects, leveraging frameworks and methodologies to provide strategic recommendations. Interpret project findings and translate them into solutions.

Clinical Research Associate needed for global clinical development and trial implementation. Requires 2+ years of experience in a similar role, strong understanding of ICH-GCP, FDA, EMA, and local regulations, and fluency in English.

GBSB Global Business School seeks part-time lecturers to teach business courses in Barcelona. Applicants must have a Master's degree, strong English skills, and experience designing and delivering curriculum-based instruction.

As a Commissioning Technician, you will execute test and commissioning activities for hydrogen generation units, ensuring target capacity, purity, and system availability. Responsibilities include data acquisition, FAT and SAT support, equipment preparation, leak testing, assembly, wiring, PLC control testing, and record maintenance.

Calypso Functional Senior Consultant needed for a major international initiative incorporating new Equities & Equity Swap module into the Calypso v17+ platform.

Senior Yacht/Marine Design Engineer needed for a fast-paced team developing innovative powerboats. Responsibilities include 3D modeling, 2D drawings, BOM creation, weight estimates, and system design. Requires a B.Eng in a relevant field, 3-5 years of experience, 3D/2D CAD proficiency, and fluency in English and/or Spanish.

Account Executive to drive the full sales cycle for a SaaS search solution for e-commerce stores. Requires 2+ years of B2B SaaS sales experience, fluency in Polish (C2) and English (B2), and a results-driven mindset.

As a Sales Development Representative, you will be the initial point of contact for potential clients, engaging with inbound inquiries and crafting personalized outreach. You will understand customer challenges and goals to determine if the company's solutions are a good fit. You will build rapport and schedule meetings that convert into lasting partnerships.

Manages complete project lifecycles for data center installations in Iberia, ensuring timely and quality completion. Collaborates with supply partners, manages internal processes, and provides technical support. Requires strong problem-solving, communication, and project management skills.

Analyst will work in BCG's People & Organization Practice & Tech and Digital Advantage areas, focusing on (Gen)AI and digital transformation. Responsibilities include providing expert advisory, analysis, and insights, developing intellectual property, and supporting commercialization efforts. Requires 1+ year of experience in a leading consulting or technology firm, strong understanding of (Gen)AI market trends, and excellent communication skills.

Controlling & Cash Manager for international consumer goods organization. Focus on financial steering, cash forecasting, working capital optimization, and overhead control, including personnel costs. Requires 8-12 years of finance experience, strong analytical skills, and proficiency in SAP and Excel.