backend developer English-speaking jobs in Castile-La Mancha

Design and orchestrate AI-powered post-sales journeys, personalize customer experiences, and automate workflows. Build, maintain, and monitor automations integrated with CRM, the Spoki platform, and customer stack tools.

Senior Copywriter needed for maternity cover (approx. 10 months). Responsible for maintaining brand voice and copy quality across marketing channels. Key duties include writing, editing, and proofreading content for various platforms, managing content planning and editorial calendars, and providing oversight for freelance content. Must be a fluent English speaker with proven copywriting experience and a strong understanding of SEO best practices.

Design, implement, and maintain robust Linux-based systems on embedded platforms. Responsibilities include bringing up Linux on ARM Cortex-A and AMD Versal architectures, configuring bootloaders and kernels, integrating device trees and drivers, and setting up build systems.

About Us: ONIONLAB is a multidisciplinary studio that pushes the boundaries of audiovisual storytelling, creating cutting-edge installations, immersive experiences, and exhibitions. Specializing in projection mapping, VR, and captivating audiovisual content for the creative industries, we’re based in Barcelona but our work reaches audiences worldwide.

Fullstack AI Engineer will architect and build end-to-end AI applications, fine-tune models using LangChain or LlamaIndex, and write scalable code in Python and TypeScript.

Flight Operations Documentation Specialist to develop, update, and improve Flight Operations Manuals for military and civil aircraft. Responsibilities include analyzing service bulletins, providing operational support, and coordinating documentation deliveries. Requires an engineering degree, pilot license, or equivalent flight operations background.

Senior .NET Software Engineer to design, architect, and develop scalable backend solutions using .NET technologies and cloud environments. Experience with distributed systems, microservices, and AWS is required.

Provides IT support to students, staff, and faculty at EU Business School's Barcelona campuses. Manages network administration, helpdesk services, and Office 365 platforms. Requires CFGS Administration of IT systems or equivalent, 2+ years of experience, and strong English communication skills.

Global Product Manager will oversee sales, profit, and market share for a sub-category across global markets. Develop and implement global product strategies, manage the product portfolio, and support the product lifecycle process. Requires a bachelor's degree, 5+ years of experience in product management within the building products industry, and proven track record of managing global product portfolios.

Investor Relations Analyst will develop and maintain the company's investor relations plan, monitor performance metrics, and create presentations for earnings releases and investor meetings. The role requires a Business Administration degree, finance and strategic experience, advanced English skills, and proficiency in MS Office.

Cloud Solutions Engineer to design and implement AWS services solutions. Experience with AWS native DevOps, CI/CD pipelines, and security services is required. Familiarity with Google Cloud Platform, containerization, and monitoring tools is also necessary. Excellent communication and problem-solving skills are essential.

This freelance, remote position involves data analysis for digital map enhancement. Tasks include research, evaluation, and verification of data accuracy. Applicants must be fluent in Spanish, residents of Spain for the past two years, and have familiarity with Spanish culture and current affairs.

Applus+ seeks a Digital Content & Social Media Trainee to support the Digital Content and Social Media Manager. The trainee will create, review, translate, and publish content for the global website, LinkedIn, and YouTube. Responsibilities include content analysis, video editing, graphic design, and social media management. The ideal candidate has excellent writing and communication skills in English and Spanish, a degree in Communication, Journalism, or Marketing, and experience in video production and editing.

Internship focused on market expansion and business development in Italy. Responsibilities include identifying partners, developing a local strategy, and managing relationships. Must have experience in sales, consulting, or business development and knowledge of the Italian student ecosystem. Fluent in Italian and English required.

Senior QA Automation SDET will develop and execute test automation strategies for a complex web application built on Java and Angular in an AWS environment. Responsibilities include designing test cases, integrating QA into CI/CD pipelines, mentoring developers on testing practices, and monitoring production issues. Requires extensive experience in Java, TypeScript/JavaScript, and automation frameworks.

Data Analyst to support AI-driven initiatives. Design customer journey tracking, analyze data, create dashboards, and generate insights. Requires 3-5 years of experience in data analytics, proficiency in SQL, Python, and Tableau, and strong communication skills. Experience with product analytics and AI/ML is a plus.

Software Product Manager leads the end-to-end product development lifecycle, collaborating with cross-functional teams to deliver high-quality software solutions.

Financial Controller to support the Management Control and Financial Reporting team in monitoring and analyzing consolidated financial information. Tasks include consolidated financial analysis, monthly reporting, budgeting, forecasting, and variance analysis.

QA Engineer will ensure product quality through manual and automated testing. Responsibilities include validating user stories, conducting exploratory testing, monitoring production bugs, and participating in the implementation and maintenance of automated tests. Requires experience with manual and automated testing, JavaScript-based testing frameworks (Cypress or similar), API testing using Postman, and GitLab deployment pipelines. Fluent English required.

Huawei seeks a Telecommunications Intern to understand Assurance Maintenance Services, network setups, and telecommunications services. Interns will participate in tasks related to intelligent systems, NOC, incident management, and network monitoring.