backend developer English-speaking jobs in Castile-La Mancha

Leads and manages technology transfer projects, providing project management, scientific, and technical expertise in quality, technology transfer, and regulatory affairs.

Experienced Market Strategy Manager (Inside Sales) will support Business Development by identifying and seizing new market opportunities. Responsibilities include prospecting, market research, lead support, and client meeting arrangement. Requires a bachelor's degree, 1-3 years of experience, and proficiency in English.

Energy Project Manager to coordinate projects within the Energy Solutions Center of Excellence. Responsibilities include assessing energy markets, regulatory frameworks, and technical feasibility for energy solutions. The role requires experience in energy markets, energy efficiency projects, and flexibility projects.

Internal Audit Manager will lead and deliver operational and financial audits across global operations. Responsibilities include planning and executing audits, communicating with stakeholders, and identifying control weaknesses. Requires 7-10 years of audit experience, including at least 2 years as a manager, and strong knowledge of internal controls and risk management.

Automotive Supply Chain & Packaging Engineer needed for Tier 1 automotive company in Barcelona. Define and optimize supply chain organization, ensuring service, quality, and safety while minimizing costs. Develop packaging specifications and ensure fine-tuning and reception of packaging means.

Fractional Product Manager needed for a leading international digital product company. Own product discovery and delivery, translate business needs into product requirements, and collaborate with engineering teams. 6+ years of experience as a Product Manager in digital products required. Solid technical understanding and proven ability to connect product decisions with business impact.

Quality & Sustainability Specialist needed to implement, maintain, and execute ISO Quality Programs and the Quality Management System for Carboline Europe.

The Process Data Analyst supports biosimilar development programs through advanced data evaluation. This role applies statistical methodologies to support decision-making, analyzes and interprets data to identify process variables impacting yield and quality, and prepares reports for management.

Data Engineer needed to design, build, and maintain large-scale data systems. Requires experience with data warehousing, ETL tools (DBT mandatory), cloud environments (AWS or Azure), Apache Airflow, and Python development. Must have strong SQL skills and experience with BI tools.

Full-cycle SaaS sales professional sought to drive revenue growth in German or Dutch-speaking hotel markets.

Receptionists provide exceptional customer service as the first point of contact for student queries and complaints. They manage daily reception operations, handle check-in/check-out procedures, and assist with administrative tasks.

The Chief People Officer will lead the overall People strategy and HR operations, driving culture, talent, and organizational effectiveness. Responsibilities include defining and executing the People strategy, leading talent acquisition, driving performance management, and overseeing employee relations.

Theoretical Physicist specializing in Atomic, Molecular, and Optical (AMO) physics needed to develop models, perform simulations, and provide analytical insight for quantum and optical systems.

Senior Accountant provides accounting, reporting, and client/supplier management support. Responsibilities include posting invoices, managing client and supplier accounts, financial reporting, payment forecasting, and reviewing due dates. Requires 3+ years of accounting experience, a bachelor's degree in a related field, and fluency in English, Spanish, and Catalan.

Senior Revenue Manager will maximize revenues, market share, and profitability for managed properties in partnership with General Hotel Managers. Responsibilities include strategic pricing, budgeting, forecasting, daily revenue management optimization, performance analysis, and communication with stakeholders. Requires 5+ years of experience as a Revenue Manager, a degree in a relevant field, fluency in English, and proficiency in revenue management systems.

Software Development Engineer will design, build, and deploy distributed software systems for a global customer base. Responsibilities include developing software for various sensors, mobile clients, and cloud server systems, collaborating with engineers and applied scientists, and improving existing technical services. Requires a Bachelor's degree in Computer Science or related field, 3+ years of professional software development experience, and proficiency in Java, Python, React, and AWS Serverless technologies.

Accountant will prepare bank reconciliations, journal entries, and balance sheet reconciliations. The role requires 2+ years of accounting experience, knowledge of GAAP/IFRS, and proficiency in MS Office and ERP systems. English fluency is required.

Nuitée is seeking a Mapping Technician to ensure the accuracy and completeness of hotel mapping and content pipelines. Responsibilities include daily mapping operations, quality control, process documentation, and reporting on key performance indicators.

Part-time licensed psychotherapist needed to provide counseling to adults via a tech-enabled platform. Must have 3+ years of experience, be comfortable with telehealth, and proficient in evidence-based modalities.

This role drives the efficiency of digital tools for Sales and Finance teams in Iberia. The Business Intelligence Analyst ensures smooth operation of volume forecasting and trade expenditure platforms, acts as a point of contact for these systems, and empowers sales representatives with optimized tools. The ideal candidate has a university degree, fluency in Spanish and English, and advanced Excel skills.