backend developer English-speaking jobs in Extremadura

QA Intern to join Product team ensuring quality of web applications, mobile apps, and backoffice tools through manual testing. Collaborate with product managers, developers, and stakeholders to validate new developments and catch issues early.

Provides technical support for the installation, commissioning, operation, and maintenance of lithium-ion energy storage systems. Analyzes customer applications, ensures product adaptation, and resolves field issues. Trains third-party providers and supports the bidding process. Requires engineering, technical, and electrical skills, field experience, and knowledge of batteries and applications. Must have REA certification.

Clinical Research Coordinator to support a clinical research site in Toledo. Part-time (20-24 hours/week) until September 30, 2026. Responsibilities include study documentation, patient support, data management, and communication. Bachelor's degree in life sciences or equivalent experience required.

Sales Representative to build the German market, reporting to the Sales Director. Responsibilities include contacting customers via phone, achieving sales targets, handling inquiries, and collaborating with teams. Requires at least 1 year of telesales experience, native/bilingual German, and intermediate Spanish.

As a Sales Operations Analyst, you will develop and deliver reports, analyze sales data, and collaborate with stakeholders to provide insights and recommendations.

Provides administrative support to the Chief Sales Officer, Head of Sales, and Sales Project Managers. Manages travel arrangements, meeting minutes, and CRM data. Responsible for local adaptations and translations of sales materials.

Drive business development and new revenue for a hospitality SaaS company in the DACH region. Own the full sales cycle, focusing on German-speaking hospitality customers.

The Medical Science Liaison provides medical and scientific expertise for the therapy area, responding to information requests, building relationships with healthcare professionals, and ensuring activities comply with regulations.

Senior Application Engineer to design, develop, and maintain scalable cloud-based applications. Experience with Spring Boot, Java, Azure services, and REST API development required. Strong communication and collaboration skills essential.

Procurement Engineering Manager to build and lead procurement strategy for technology licenses and electronic hardware. Own procurement budgets, supplier management, and supply-chain resilience.

Senior Project Manager to lead medium to large-scale investment accounting & administration projects. Requires 10-15 years of experience managing multi-functional, multi-geography projects in financial institutions, 3+ years with scrum/agile methodology, and fluency in English.

Business Development Manager to drive global sales and partnerships for high-quality enzymes. Requires 7+ years of experience in life sciences sales, proven track record of revenue growth, and technical knowledge of molecular biology and enzymes.

Marketing Manager to develop and execute marketing strategies for the Spanish and Portuguese markets. Drive brand awareness and customer acquisition through multi-channel campaigns, analyze market trends, and manage paid media. Collaborate with cross-functional teams and local partners.

AYES seeks an Engineer with experience in energy (Oil & Gas, industrial processes, infrastructures) for projects in process, piping, civil, or mechanical engineering. Requires a university degree in a relevant field, previous energy sector experience, native-level Chinese, and good English.

Senior Customer Support Agent needed for our European team. Provide technical and non-technical support to customers via chat (Intercom) in English and German. Must have 2+ years of customer support experience and fluency in English and German.

Junior Regulatory Affairs Officer supports smooth logistics and compliance across European markets. Prepares, reviews, and submits regulatory documentation, verifies product details, and communicates with authorities.

The International Association for Hydro-Environment Engineering and Research seeks a Communications and Marketing Manager to develop and implement communication strategies, lead marketing campaigns, and collaborate with internal teams.

As a Customer Success Manager, you will own the customer journey from onboarding to expansion and renewals. You will build relationships with medical clinics, guide them through implementation, and ensure they maximize the value of Ovianta's AI platform.

SAP Functional Consultant PM/MRO will design and configure SAP PM/MRO modules in ECC or S/4HANA. Responsibilities include gathering business requirements, leading testing phases, and collaborating on integrations with various systems.

Revenue Management Specialist needed to analyze pricing, demand, and fleet utilization. Develop and optimize pricing strategies, forecast demand, and collaborate with cross-functional teams. Requires a bachelor's degree, 2+ years of relevant experience, strong analytical skills, and proficiency in Excel.