backend developer English-speaking jobs in Castile-La Mancha

Clinical Project Manager to lead planning, coordination, and execution of neuroscience clinical studies. Experience required in observational research and complex pipelines (biomarkers, imaging).

Strategy and Operations Consultant will lead diagnostic assessments, develop business cases, and manage projects for industrial clients. Requires a Master's degree, 3-5 years of consulting experience, and project management expertise. Fluency in English and Spanish is required.

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.

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.

Full Stack Developer will design, develop, and maintain a web-based CAD platform using Python, C#, Node.js, MySQL, JavaScript, TypeScript, React, Next.js, CSS, and Tailwind CSS. Responsibilities include implementing algorithms, integrating Generative AI, and building interactive interfaces. Proven ability to solve complex geometric and algebraic challenges is required.

Software Engineer to design and deliver custom product integrations, leveraging Java, REST, Spring, and GraphQL. Experience with microservices, Docker, Kubernetes, and Git/Gitlab-CI is required. Fluent English, with basic French or Spanish.

The Digital Hub Manager establishes, operates, and grows the SUEZ Digital Solutions hub in Alicante, Spain. Responsibilities include financial and project budget management, office operations, people leadership, and cross-functional coordination. The role requires fluency in English, Spanish, and French, as well as strong project management, collaboration, and communication skills.

Lead Data Scientist to own AI initiatives from discovery to delivery. Translate business problems into scalable AI solutions and lead multidisciplinary teams.

The O&M Manager oversees the operation and maintenance of a PV project, ensuring energy production, availability, and PR objectives. Responsibilities include managing technical aspects, coordinating teams, optimizing procedures, and ensuring safety protocols.

Senior Mobile Engineer (L4) to lead technical planning and execution of mobile features and projects. Serve as technical point of contact, mentor engineers, and collaborate with product and design teams. Must have 6+ years of experience in mobile software development with experience acting as a technical lead on mobile projects. Strong experience in native mobile development (Android: Kotlin, Jetpack Compose; iOS: Swift, SwiftUI). Solid understanding of data structures, system design, and mobile architectures. Bachelor's Degree in Computer Science, Software Engineering, or related field. Fluent English.

Business Development Manager to identify and secure clients for a leading CRO specializing in onco-hematological diseases. Responsibilities include client analysis, relationship building, RFP/RFQ responses, project monitoring, and network development.

Tooling / Mold Engineer needed for automotive industry. 5+ years experience in plastic injection molding, mold design, and repair required. Must have CAD proficiency (NX, CATIA, SolidWorks) and upper-intermediate English.

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.

Impress is seeking an Accounts Receivable Specialist fluent in English and Italian. Responsibilities include monitoring accounts, investigating outstanding debts, contacting clients regarding overdue payments, processing payments and refunds, resolving billing issues, and reporting on collection activity.

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.

Mechanical Engineer will design, develop, and optimize mechanical components and systems for power conversion solutions. Responsibilities include 3D design, analysis, validation, documentation, and collaboration with multidisciplinary teams. Requires a Bachelor's degree in Engineering and 2+ years of experience in mechanical design and engineering projects.

RateGain seeks a Sales Development Representative fluent in English and Spanish to generate new business opportunities. The SDR will conduct outbound prospecting, manage inbound leads, and qualify opportunities for the sales team.

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.

Quantitative Risk Analyst needed for a major global energy company. 2-8 years of experience in quant risk, market risk, or pricing analytics required. Strong LNG or gas market knowledge and coding skills (Python preferred) are essential.

Project Director for Power EPC projects with over 15 years of experience, including at least 5 years in power plant execution. Responsible for managing project execution, ensuring cost, schedule, quality, and HSE targets are met. Requires a BSc in Industrial Engineering or equivalent and willingness to travel internationally.