backend developer English-speaking jobs in Castile-La Mancha

Lead accounting operations and set up new accounting functions in Bilbao for multiple European entities. Manage all accounting functions, ensure accurate financial reporting, and drive process improvements.

The CRM Intern will support the implementation and execution of email marketing campaigns to increase subscriber engagement and drive online sales. This role involves campaign planning, copywriting, creative review, translation management, testing, and performance monitoring.

Process Engineer with 4+ years of experience in industrial environments, specifically the automotive sector, is needed to define technical requirements for machinery, perform supplier follow-up and validation, and supervise FAT/SAT tests. Requires advanced CAD Unigraphics (NX) skills and experience in auditing assembly machinery and processes.

Develops and manages AMR project delivery plans in Europe, ensuring on-time and high-quality results. Leads project kick-off activities, coordinates stakeholders, and manages on-site project execution. Requires a bachelor's degree in a relevant engineering field, proven project management experience in AMR or automation, and fluency in Mandarin, Spanish, and English.

Leads battery manufacturing and industrialization activities from prototype to scalable production. Drives rapid prototyping, testing, and build cycles. Works closely with engineering and production teams to ensure robust, executable designs. Establishes pragmatic manufacturing processes.

Mechanical Design Engineer needed for R&D Center. Responsibilities include designing non-standard automated systems for fruit and vegetable sorting and processing. Develop mechanical structures, create 3D models and drawings, and collaborate with cross-functional teams. Requires a Bachelor's degree in Mechanical Engineering or related field and 10+ years of experience in mechanical design.

Leads and manages an end-to-end testing team for SaaS Transportation Management System (TMS) implementations. Owns testing strategy for customer configurations, integrations, and workflows. Plans and executes functional, integration, regression, and UAT support testing. Coordinates testing activities with Engineering, Product, and Customer teams.

Strategy and operations intern supporting customer success and operations team. Conducts market research, analyzes customer data, and assists in creating growth strategies. Optimizes workflows, generates insights, and collaborates across teams. MBA or Master in business required.

The Lead Engineer for Green Field projects leads the technical execution of projects, supports tendering activities, and acts as the main technical reference throughout the project lifecycle. Responsibilities include ensuring compliance with technical requirements, proposing optimizations, managing scope changes, and monitoring project timelines.

Provides administrative and operational support, ensuring tasks are handled with precision and efficiency. Requires administrative, scheduling, and office management skills, as well as customer service and communication skills. Must be detail-oriented, organized, and proficient in Microsoft Office Suite. Fluency in Spanish and English is required. Possession of a personal car is necessary.

Cyber Business Analyst needed to bridge business needs and cybersecurity services. Translate requirements into actionable security needs, analyze and optimize security operations processes, and own metrics and reporting. 3-5 years of experience as a Business Analyst with strong cyber/security exposure required.

Leads the development of software applications for configuring and planning military communication equipment. Requires 5+ years of experience in electromechanical design and power systems for aerospace or defense, proficiency leading software development teams, and knowledge of industry standards. Must have C/C++, Java proficiency, English fluency, and eligibility for NATO clearance.

Technical Engineer to provide pre- and post-sales support for solar tracker solutions. Responsibilities include technical proposal development, system sizing, customer support, installation assistance, and product development. Requires a degree in a relevant field, solar energy experience, and proficiency in design and simulation tools.

Client Experience and Admissions Lead oversees client onboarding, manages admissions, tracks progress, and implements engagement strategies.

International Product Manager will work in a global environment, collaborating with Area and Store Managers to implement commercial strategies. Responsibilities include analyzing sales data, identifying opportunities, and coordinating product distribution. Requires a minimum of 2 years of experience as a Product Manager, fluency in Spanish and English, and strong analytical skills.

Junior Brand Designer to support brand consistency across all channels. Responsibilities include creating assets, maintaining the website, and ensuring visual consistency. Experience in brand/visual design, video production, and HTML/CSS is required.

Develops product roadmap for a next-generation clinical trial management platform leveraging AI and analytics. Collaborates with cross-functional teams to define user stories, prioritize backlog, and ensure alignment with strategic goals.

The Country Sales Manager will lead market entry and growth strategy across Spain and Portugal, driving sales and brand dominance. Responsibilities include end-to-end sales management, developing and executing commercial strategies, building relationships with veterinary professionals and retailers, and analyzing market potential.

Crazy Pizza seeks energetic individuals for Front-of-House roles (Bartender, Head Waiter, Runner, Host) at exclusive summer destinations. Previous hospitality experience, excellent communication, and a focus on guest experience are required.

Infrastructure Engineer will build and maintain automated infrastructure solutions, integrate APIs, and ensure operational efficiency. Experience with scripting, automation tools, monitoring solutions, and identity management is required.