backend developer English-speaking jobs in Extremadura

Experienced SAP CO Consultant needed for AMS activities, incident resolution, and SAP upgrades in a global environment. Requires 10+ years ERP experience with strong SAP CO knowledge including Material Ledger, Product Costing, Profitability Analysis, and Cost Center/Profit Center Accounting.

Senior Process Analyst to drive operational improvement, process reengineering, and automation initiatives within a leading insurance company. Requires 5+ years of experience in process analysis, modeling, and redesign, with expertise in BPMN 2.0 and process mining tools.

Lead the development of utility-scale BESS projects in Spain from site identification through financial close. Manage technical, commercial, and regulatory aspects, ensuring alignment with company strategy and investor expectations.

Expert Data Engineers design, develop, and deploy data solutions using AWS services like S3, Glue, Athena, EMR, EC2, and Lambda. They implement data lake, lake house, or data mesh architectures and collaborate with teams to deliver scalable data pipelines and warehouses.

Designs and develops advanced analytics, machine learning, and AI-assisted models to support cyber threat identification, prioritization, and investigation. Transforms large-scale security, threat intelligence, and telemetry data into actionable insights. Builds and maintains data-driven threat models. Collaborates with cyber threat hunters and detection teams to operationalize analytics. Communicates complex analytical outcomes clearly for technical and non-technical stakeholders.

Validate power converters and control systems, ensuring product reliability and compliance with international standards. Analyze test results, automate tests, and collaborate with engineering and quality teams.

Field Service Engineer needed for TOMRA Food in Madrid or vicinity. Perform commissioning, operation, testing, integration, optimization, and maintenance of equipment. Collaborate with customers on-site and provide consultancy. Requires 5+ years of field service experience, fluency in Spanish and English, and the ability to travel 80% of the time.

Regional Key Account Manager will manage and develop sales of dealcoholisation solutions for the wine and spirits production sector. Responsibilities include prospecting new clients, managing existing client relationships, providing technical and commercial advice, and collaborating with internal teams.

Airbus Defence & Space seeks an A400M Mission Readiness technician to perform and certify scheduled and unscheduled maintenance tasks. The role involves supervising unlicensed mechanics, contributing to process improvements, and providing technical support for a new military transport aircraft. Requires EMAR Part 66 license (A400M included), experience with modern digital aircraft, and strong customer-oriented and communication skills. Must be fluent in Spanish and English.

Datacenter Network Technician will perform fiber testing, cabling, and installation. Support network and server teams with rack and stack, circuit migration, and maintenance. Conduct failure analysis, perform functional testing, and update IT ticketing systems. Experience with server provisioning, troubleshooting, and fiber optic testing is required.

Finance Specialist to review, validate, and create financial content for AI model training. Responsibilities include identifying errors, biases, and hallucinations in financial outputs, designing training datasets, and evaluating AI-generated financial responses. Requires a Bachelor's or Master's degree in Finance, Accounting, Economics, or a related field and strong understanding of core financial concepts.

Senior Backend Developer needed for a team developing apps for mobile, social, and online game platforms. Responsibilities include expanding features, performance optimizations, refactoring code, and debugging. Requires experience with .NET Core, C#, SQL, microservices, Kubernetes, and message brokers.

Ceramic Technical Services Specialist needed for Ceramic Sales Department. Bachelor's degree in a relevant field and 3+ years of experience in ceramic materials testing required. Strong communication, problem-solving, and negotiation skills essential. Must have a valid B-class driving license and be willing to travel domestically and internationally.

Experienced Key Account Manager needed for leading iGaming company. Manage and grow relationships with key online casino operators, identify growth opportunities, and collaborate with internal teams. Fluent Spanish and English required.

Develops account-specific narratives and executive-ready content for ABM programs across global strategic accounts. Translates complex themes into compelling messaging frameworks and storylines for multi-stakeholder audiences. Creates executive assets such as briefing documents, talking points, and value frameworks. Collaborates with agencies to ensure messaging coherence and storytelling quality.

The Head of Internal Audit will oversee internal audit activities within a regulated payments environment, ensuring compliance with regulatory requirements. This role will monitor external audit providers, review audit reports, and report findings to senior management and the Board.

Senior Embedded Software Engineer to develop real-time software under Linux and RTOS in C and C++. Requires 6+ years of experience developing embedded software and firmware, defining software architectures, and understanding the software/hardware interface. Experience with avionics, automotive, or space development is beneficial. Must be authorized to work in the EU.

Field Medical Advisor for Hematology/Oncology will implement the local affiliate's Medical Plan and provide medical information to healthcare professionals. This non-promotional role requires a scientific expert to build relationships with opinion leaders and ensure activities comply with regulatory frameworks.

Test Engineer needed for automotive development projects. Responsibilities include planning and executing tests, managing test vehicles, coordinating dynamic tests, and preparing technical reports. Requires a degree in Industrial or Automotive Engineering, experience in automotive validation/testing, and advanced English.

Luxury Rental Advisor needed for a high-impact role specializing in premium rentals within Barcelona's prime residential areas. Manage international client inquiries, curate property presentations, and negotiate agreements. Requires 3-5 years of experience in prime residential real estate, a proven track record of closing high-value transactions, and fluency in English and conversational Spanish.