backend developer English-speaking jobs in Extremadura

Lead and coordinate internal and external teams for SAP operations and manufacturing solutions. Oversee maintenance, optimization, and continuous improvement of PP, PM, and QM modules. Manage global transformation projects and collaborate with stakeholders to define scalable SAP solutions.

AI GTM Engineer will design, build, and govern the AI agent infrastructure for Papaya's marketing engine. Responsibilities include building the AI agent stack, managing data flow architecture, and training the marketing team on AI tools. Requires experience with LLMs, workflow automation tools, REST APIs, and CRM data models.

Experienced BMS Commissioning Engineer needed for a major data centre project in Madrid. Commissioning of BMS systems, Tridium Niagara platforms, and fault finding in a live mission critical environment.

Biological QA Specialist & Deputy QP ensures GMP/GDP compliance for biological drug products manufactured by external CMOs. Responsibilities include batch certification, CMO oversight, quality event management, documentation review, and health authority communication.

Shapes incoming business demands into clear, well-defined, delivery-ready work. Ensures requirements are properly scoped, structured, and understood before engineering execution.

Technical Lead with 5+ years of Java/Spring Boot microservices development experience, including 2+ years in a leadership role. Expertise in REST API design, AWS cloud environments, and code quality best practices. Responsibilities include technical leadership, solution architecture, API governance, code reviews, testing, and team mentorship.

As a Tester (Guidewire) at Ivy Partners, you will define, create, and execute test scripts, ensure functional validation, and identify and document bugs. You will also produce process maps, conduct gap analysis, manage risks, and work with global stakeholders.

Senior Fullstack Developer (PHP + Vue) with 5+ years of experience needed for a client in Alicante. Responsibilities include backend redesign, performance optimization, and cloud-native development. Must have experience with Symfony, .NET, PostgreSQL, Docker, Helm, and Kubernetes.

Validate, test, and commission advanced power conversion systems for energy storage and photovoltaic applications. Analyze system performance, stability, and compliance with grid codes. Develop test plans, procedures, and automation solutions.

The Trading Strategy Analyst supports the definition and refinement of trading strategy across commodities, green molecules, and Gas & Power. The role involves performing strategic, market, and competitive analyses to assess growth opportunities and new business initiatives. The analyst develops quantitative analyses, business cases, and scenario assessments to support strategic decisions.

The Marketing Manager will lead marketing efforts for Imagina Energía and Quantica Renovables Spain, developing and executing marketing plans to support lead generation, sales, and brand positioning across B2B and B2C channels. This role requires a strategic and hands-on marketer with experience in digital marketing, CRM, and performance marketing.

Seasonal Restaurant Manager will oversee daily restaurant operations, manage a team, and ensure exceptional guest experiences. Responsibilities include managing service flow, inventory control, and upholding service standards. Requires 2-3 years of experience in a similar role within a fast-paced environment and strong leadership skills. Must have good command of English and be available to work weekends and holidays.

The M&A Associate will support Sungrow Renewables' expansion in Spain by executing buy-side and sell-side transactions. Responsibilities include financial modeling, valuation, due diligence coordination, and investment material preparation.

Integration Specialist to support EDI and application integrations across ERP, WMS, and third-party systems.

Next Maritime seeks a Junior Research Analyst to support market monitoring, analysis, and client follow-up. The role involves research, coordination, and communication with internal and external stakeholders.

Shapes business and program demands into clear, well-defined, delivery-ready work. Ensures requirements are properly scoped, structured, and understood before engineering execution. Collaborates with architects and engineering teams to validate feasibility and maintain alignment between business intent and platform backlog.

Process Development Engineer with expertise in covering processes for automotive components. Develops and optimizes lamination and covering processes, defines process parameters, and coordinates validation testing. Requires 5+ years of experience in industrial process development and advanced technical English. Frequent travel to the Czech Republic is required.

Property Sales Consultant needed for a growing real estate agency in Marbella. Previous sales experience required, real estate experience a plus. Manage leads, book viewings, and work deals to completion. Fluent English required.

Technical lead for Office 365, Power Platform, Azure DevOps, and Microsoft Azure. Develops architecture recommendations, designs cloud-native applications, and drives innovation through technology implementation. Manages Power Platform governance, data loss prevention, and custom connector development.

Experienced AI QA Engineer needed to design and maintain automated test frameworks for AI/ML applications, LLM-powered systems, and cloud-native AI platforms.